7913e7e662230271bf6bdf2aabd15534d701322b218194650a9cc40a4ea2c329

Analysis

max time kernel
93s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2024, 03:33

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General

Target

332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe
Size

134KB
MD5

332594c2668b35386f7a70c2212a4672
SHA1

c6f9c23cd59a0aa404b1059fa177554166574f7e
SHA256

7913e7e662230271bf6bdf2aabd15534d701322b218194650a9cc40a4ea2c329
SHA512

28d88f1c3e3dce22eb9202b533deac7a7bd2f6911089be478a4a894f76e6babe5849829e14064f3e5009f5e1cd0f8968ef5321b71a5b2d0d628059e69c8ab617
SSDEEP

3072:0OyakxuZRZjuU/WKHe9hKyXk4N1sB8a5ckua/:0OyakMRZjuUreC46ckt

Score

10^/10

defense_evasion persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\WINDOWS\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\lsass.exe"	reg.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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2668-0-0x0000000000400000-0x0000000000D4D000-memory.dmp	upx
behavioral2/memory/2668-2-0x0000000000400000-0x0000000000D4D000-memory.dmp	upx
behavioral2/memory/2668-3-0x0000000000400000-0x0000000000D4D000-memory.dmp	upx

Hide Artifacts: Hidden Files and Directories 1 TTPs 4 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4780	cmd.exe
212	cmd.exe
4756	cmd.exe
1500	cmd.exe

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

System Information Discovery
T1082

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
208	cmd.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 3956	2668	332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe	84
PID 2668 wrote to memory of 3956	2668	332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe	84
PID 2668 wrote to memory of 3956	2668	332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe	84
PID 2668 wrote to memory of 4384	2668	332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe	86
PID 2668 wrote to memory of 4384	2668	332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe	86
PID 2668 wrote to memory of 4384	2668	332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe	86
PID 2668 wrote to memory of 4780	2668	332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe	88
PID 2668 wrote to memory of 4780	2668	332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe	88
PID 2668 wrote to memory of 4780	2668	332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe	88
PID 3956 wrote to memory of 208	3956	cmd.exe	90
PID 3956 wrote to memory of 208	3956	cmd.exe	90
PID 3956 wrote to memory of 208	3956	cmd.exe	90
PID 2668 wrote to memory of 212	2668	332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe	91
PID 2668 wrote to memory of 212	2668	332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe	91
PID 2668 wrote to memory of 212	2668	332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe	91
PID 4384 wrote to memory of 2460	4384	cmd.exe	93
PID 4384 wrote to memory of 2460	4384	cmd.exe	93
PID 4384 wrote to memory of 2460	4384	cmd.exe	93
PID 4780 wrote to memory of 4756	4780	cmd.exe	94
PID 4780 wrote to memory of 4756	4780	cmd.exe	94
PID 4780 wrote to memory of 4756	4780	cmd.exe	94
PID 2460 wrote to memory of 2812	2460	cmd.exe	95
PID 2460 wrote to memory of 2812	2460	cmd.exe	95
PID 2460 wrote to memory of 2812	2460	cmd.exe	95
PID 4756 wrote to memory of 2972	4756	cmd.exe	96
PID 4756 wrote to memory of 2972	4756	cmd.exe	96
PID 4756 wrote to memory of 2972	4756	cmd.exe	96
PID 212 wrote to memory of 1500	212	cmd.exe	97
PID 212 wrote to memory of 1500	212	cmd.exe	97
PID 212 wrote to memory of 1500	212	cmd.exe	97
PID 1500 wrote to memory of 1324	1500	cmd.exe	98
PID 1500 wrote to memory of 1324	1500	cmd.exe	98
PID 1500 wrote to memory of 1324	1500	cmd.exe	98

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2972	attrib.exe
1324	attrib.exe

C:\Users\Admin\AppData\Local\Temp\332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c cmd /c move /y "C:\USERS\ADMIN\APPDATA\LOCAL\TEMP\332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe" "C:\Users\Admin\AppData\lsass.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3956
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c move /y "C:\USERS\ADMIN\APPDATA\LOCAL\TEMP\332594c2668b35386f7a70c2212a4672_JaffaCakes118.exe" "C:\Users\Admin\AppData\lsass.exe"
    3⤵
    - Suspicious behavior: RenamesItself
    PID:208
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c cmd /c reg add "hkey_local_machine\software\microsoft\windows nt\currentversion\winlogon" /v userinit /t reg_sz /d "C:\WINDOWS\system32\userinit.exe,C:\Users\Admin\AppData\lsass.exe" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4384
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c reg add "hkey_local_machine\software\microsoft\windows nt\currentversion\winlogon" /v userinit /t reg_sz /d "C:\WINDOWS\system32\userinit.exe,C:\Users\Admin\AppData\lsass.exe" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2460
  - - C:\Windows\SysWOW64\reg.exe
      reg add "hkey_local_machine\software\microsoft\windows nt\currentversion\winlogon" /v userinit /t reg_sz /d "C:\WINDOWS\system32\userinit.exe,C:\Users\Admin\AppData\lsass.exe" /f
      4⤵
      Modifies WinLogon for persistence
      PID:2812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c cmd /c attrib +h "C:\Users\Admin\AppData\lsass.exe"
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:4780
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib +h "C:\Users\Admin\AppData\lsass.exe"
    3⤵
    - Hide Artifacts: Hidden Files and Directories
    - Suspicious use of WriteProcessMemory
    PID:4756
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +h "C:\Users\Admin\AppData\lsass.exe"
      4⤵
      Views/modifies file attributes
      PID:2972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c cmd /c attrib +h "C:\Users\Admin\AppData"
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:212
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib +h "C:\Users\Admin\AppData"
    3⤵
    - Hide Artifacts: Hidden Files and Directories
    - Suspicious use of WriteProcessMemory
    PID:1500
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +h "C:\Users\Admin\AppData"
      4⤵
      Views/modifies file attributes
      PID:1324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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/2668-0-0x0000000000400000-0x0000000000D4D000-memory.dmp

Filesize
9.3MB

Download
memory/2668-1-0x0000000000EB0000-0x0000000000EB2000-memory.dmp

Filesize
8KB

Download
memory/2668-2-0x0000000000400000-0x0000000000D4D000-memory.dmp

Filesize
9.3MB

Download
memory/2668-3-0x0000000000400000-0x0000000000D4D000-memory.dmp

Filesize
9.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads