f1bbcc5c678d174d858ae089f4494e3ea8bcfc418098d61804a15e437f08aff7

Resubmissions

03-07-2024 22:59

240703-2yn7wszhlp 10

03-07-2024 16:13

03-07-2024 16:11

10-05-2024 16:25

24-08-2023 11:16

Analysis

max time kernel
40s
max time network
82s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
24-07-2023 06:25

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Reason

Machine shutdown

Report Analysis Logs

General

Target

[email protected]
Size

48KB
MD5

21943d72b0f4c2b42f242ac2d3de784c
SHA1

c887b9d92c026a69217ca550568909609eec1c39
SHA256

2d047b0a46be4da59d375f71cfbd578ce1fbf77955d0bb149f6be5b9e4552180
SHA512

04c9fa8358944d01b5fd0b6d5da2669df4c54fe79c58e7987c16bea56c114394173b6e8a6ac54cd4acd081fcbc66103ea6514c616363ba8d212db13b301034d8
SSDEEP

768:xE09MOEzWGoOIx2qCZVZmj+Wg5VK2LDakrDZ5yS/wwHA49kszNAY1XKoJc4P1:t7w73bUNMMkrDry+6Ut

Score

7^/10

persistence upx

Malware Config

Signatures

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-1-5-21-1498570331-2313266200-788959944-1000\Control Panel\International\Geo\Nation	[email protected]

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral16/memory/3464-133-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral16/memory/3464-139-0x0000000000400000-0x0000000000420000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\2503326475_del = "cmd /c del \"C:\\Users\\Admin\\AppData\\Local\\Temp\\[email protected]\""	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2503326475 = "C:\\Users\\Admin\\2503326475\\2503326475.exe"	reg.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "147"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3140	shutdown.exe
Token: SeRemoteShutdownPrivilege	3140	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4160	LogonUI.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3464 wrote to memory of 3140	3464	[email protected]	85
PID 3464 wrote to memory of 3140	3464	[email protected]	85
PID 3464 wrote to memory of 3140	3464	[email protected]	85
PID 3464 wrote to memory of 5016	3464	[email protected]	87
PID 3464 wrote to memory of 5016	3464	[email protected]	87
PID 3464 wrote to memory of 5016	3464	[email protected]	87
PID 3464 wrote to memory of 848	3464	[email protected]	88
PID 3464 wrote to memory of 848	3464	[email protected]	88
PID 3464 wrote to memory of 848	3464	[email protected]	88
PID 5016 wrote to memory of 4576	5016	cmd.exe	94
PID 5016 wrote to memory of 4576	5016	cmd.exe	94
PID 5016 wrote to memory of 4576	5016	cmd.exe	94
PID 848 wrote to memory of 4976	848	cmd.exe	95
PID 848 wrote to memory of 4976	848	cmd.exe	95
PID 848 wrote to memory of 4976	848	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\[email protected]
"C:\Users\Admin\AppData\Local\Temp\[email protected]"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3464
- C:\Windows\SysWOW64\shutdown.exe
  "C:\Windows\System32\shutdown.exe" /r /t 6 /f
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3140
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2503326475 /t REG_SZ /d "C:\Users\Admin\2503326475\2503326475.exe" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5016
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2503326475 /t REG_SZ /d "C:\Users\Admin\2503326475\2503326475.exe" /f
    3⤵
    - Adds Run key to start application
    PID:4576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce /v 2503326475_del /t REG_SZ /d "cmd /c del \"C:\Users\Admin\AppData\Local\Temp\[email protected]\"" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:848
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce /v 2503326475_del /t REG_SZ /d "cmd /c del \"C:\Users\Admin\AppData\Local\Temp\[email protected]\"" /f
    3⤵
    - Adds Run key to start application
    PID:4976

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3952855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3464-133-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3464-134-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/3464-136-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/3464-138-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/3464-139-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Resubmissions

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads