351f401038180629d5bfd68b1ee3f9833a434bd8a3563cfa66373251fb8038a9

Reason

Machine shutdown

General

Target
jaffacakes118__27de2d004ff46dd915fad8916178882c.exe
Size 57KB
Sample260920-1wed8stvbx
SHA256 351f401038180629d5bfd68b1ee3f9833a434bd8a3563cfa66373251fb8038a9
MD5 27de2d004ff46dd915fad8916178882c
SHA1 88990a991d9b3738678e999e9debca6e2702e5d7
SHA512 16c9ba42038c7dc868d539fb0cfd66f30037a706f5ac6d49111b3764315e7d56406da6a86e2060f1dea8cd8d4e6ff8a21b68645a2d21b595e5547bd76fd0254f
SSDEEP 1536:1m5Wvd2ikMbL2ffryqUUUTCoGlcL/Sx8WFhpF:1mod2zMueqUU068WFbF
TLSH
T176430713EB591287D42E1F3510B90B19E725953D3F5E878B15ACFA3DEA903C22E263C9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery execution persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1232	1262018924.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-1-5-21-2714045687-1127350534-2056456672-1000\Software\Microsoft\Windows\CurrentVersion\Run\1262018924 = "C:\\Users\\Admin\\1262018924.exe"	reg.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

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\r	1262018924.exe
File opened for modification	C:\Windows\r	1262018924.exe

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4952	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 11 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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1262018924.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118__27de2d004ff46dd915fad8916178882c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shutdown.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 12 IoCs

defense_evasion

pid	Process
2072	taskkill.exe
2944	taskkill.exe
1660	taskkill.exe
1948	taskkill.exe
2956	taskkill.exe
5936	taskkill.exe
3768	taskkill.exe
560	taskkill.exe
3808	taskkill.exe
1416	taskkill.exe
2388	taskkill.exe
5520	taskkill.exe

Modifies Control Panel 1 IoCs

defense_evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2714045687-1127350534-2056456672-1000\Control Panel\Desktop\ScreenSaveActive = "0"	1262018924.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4072	jaffacakes118__27de2d004ff46dd915fad8916178882c.exe
Token: SeShutdownPrivilege	4520	shutdown.exe
Token: SeRemoteShutdownPrivilege	4520	shutdown.exe
Token: SeDebugPrivilege	2388	taskkill.exe
Token: SeDebugPrivilege	3768	taskkill.exe
Token: SeDebugPrivilege	560	taskkill.exe
Token: SeDebugPrivilege	5520	taskkill.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1232	1262018924.exe
1232	1262018924.exe
4220	PickerHost.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4072 wrote to memory of 4952	4072	jaffacakes118__27de2d004ff46dd915fad8916178882c.exe	90
PID 4952 wrote to memory of 1420	4952	cmd.exe	92
PID 4072 wrote to memory of 4520	4072	jaffacakes118__27de2d004ff46dd915fad8916178882c.exe	93
PID 4072 wrote to memory of 4320	4072	jaffacakes118__27de2d004ff46dd915fad8916178882c.exe	94
PID 1232 wrote to memory of 2388	1232	1262018924.exe	101
PID 1232 wrote to memory of 3768	1232	1262018924.exe	104
PID 1232 wrote to memory of 560	1232	1262018924.exe	106
PID 1232 wrote to memory of 5520	1232	1262018924.exe	108
PID 1232 wrote to memory of 2072	1232	1262018924.exe	110

C:\Users\Admin\AppData\Local\Temp\jaffacakes118__27de2d004ff46dd915fad8916178882c.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118__27de2d004ff46dd915fad8916178882c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4072
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 1262018924 /t REG_SZ /d "%userprofile%\1262018924.exe" /f
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4952
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 1262018924 /t REG_SZ /d "C:\Users\Admin\1262018924.exe" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:1420
- C:\Windows\SysWOW64\shutdown.exe
  "C:\Windows\System32\shutdown.exe" /r /f /t 3
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4520
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4320

C:\Windows\System32\PickerHost.exe
C:\Windows\System32\PickerHost.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:4220

C:\Users\Admin\1262018924.exe
C:\Users\Admin\1262018924.exe
1⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /F /IM taskmgr.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2388
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /F /IM taskmgr.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3768
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /F /IM taskmgr.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:560
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /F /IM taskmgr.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:5520
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /F /IM taskmgr.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  PID:2072
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /F /IM taskmgr.exe
  2⤵
  - Kills process with taskkill
  PID:3808
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /F /IM taskmgr.exe
  2⤵
  - Kills process with taskkill
  PID:2944
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /F /IM taskmgr.exe
  2⤵
  - Kills process with taskkill
  PID:1660
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /F /IM taskmgr.exe
  2⤵
  - Kills process with taskkill
  PID:1416
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /F /IM taskmgr.exe
  2⤵
  - Kills process with taskkill
  PID:1948
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /F /IM taskmgr.exe
  2⤵
  - Kills process with taskkill
  PID:2956
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /F /IM taskmgr.exe
  2⤵
  - Kills process with taskkill
  PID:5936

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39c0055 /state1:0x41c64e6d
1⤵
PID:5056

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k CameraMonitor
1⤵
PID:936

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

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

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

1262018924.exe

Path C:\Users\Admin\1262018924.exe
Size 57KB
SHA256 351f401038180629d5bfd68b1ee3f9833a434bd8a3563cfa66373251fb8038a9
MD5 27de2d004ff46dd915fad8916178882c
SHA1 88990a991d9b3738678e999e9debca6e2702e5d7
SHA512 16c9ba42038c7dc868d539fb0cfd66f30037a706f5ac6d49111b3764315e7d56406da6a86e2060f1dea8cd8d4e6ff8a21b68645a2d21b595e5547bd76fd0254f
SSDEEP 1536:1m5Wvd2ikMbL2ffryqUUUTCoGlcL/Sx8WFhpF:1mod2zMueqUU068WFbF
TLSH
T176430713EB591287D42E1F3510B90B19E725953D3F5E878B15ACFA3DEA903C22E263C9
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1232-12-0x0000000000D20000-0x0000000000D3D000-memory.dmp

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memory/4072-0-0x0000000000CF0000-0x0000000000D35000-memory.dmp

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memory/4072-2-0x0000000000E90000-0x0000000000E97000-memory.dmp

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memory/4072-1-0x0000000000E80000-0x0000000000E89000-memory.dmp

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memory/4072-4-0x0000000000EF0000-0x0000000000F0D000-memory.dmp

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Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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