c6f6893f309b884a455f0e7d0e8177535baf15e0cb96492742f5df29a3c88368

General

Target

6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe
Size

110KB
MD5

6af66c8d1db0267bc0a784e0af0da9dd
SHA1

5ce867b3dc702fad79f5f8ebe12d29902d3b2d7b
SHA256

c6f6893f309b884a455f0e7d0e8177535baf15e0cb96492742f5df29a3c88368
SHA512

8832a94ba593b784d22ab7d2a4260c37912f80d932174f83412dd618ec5aea4f359de3d473f3dd8fce90f9f5db8bcac9830a78b0d4b45f324f16c821c678b70e
SSDEEP

3072:ncw9JIpFWgCcw2OPdZm+UyidxE9oVjB1jzt:RJIpFWgCP/Pb2ymxQK/t

Score

10^/10

discovery 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\Shell = "explorer.exe ,C:\\Users\\Admin\\AppData\\Local\\Temp\\6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe"	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe

Disables use of System Restore points 1 TTPs
evasion

Inhibit System Recovery
T1490

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2704-4-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral1/memory/2704-7-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral1/memory/2704-10-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral1/memory/2704-20-0x0000000000400000-0x0000000000427000-memory.dmp	upx

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2856 set thread context of 2704	2856	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	30
PID 2704 set thread context of 1956	2704	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 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	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1956	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe
1956	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2856	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe
2704	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2704	2856	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	30
PID 2856 wrote to memory of 2704	2856	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	30
PID 2856 wrote to memory of 2704	2856	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	30
PID 2856 wrote to memory of 2704	2856	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	30
PID 2856 wrote to memory of 2704	2856	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	30
PID 2856 wrote to memory of 2704	2856	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	30
PID 2856 wrote to memory of 2704	2856	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	30
PID 2856 wrote to memory of 2704	2856	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	30
PID 2856 wrote to memory of 2704	2856	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	30
PID 2704 wrote to memory of 1956	2704	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	31
PID 2704 wrote to memory of 1956	2704	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	31
PID 2704 wrote to memory of 1956	2704	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	31
PID 2704 wrote to memory of 1956	2704	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	31
PID 2704 wrote to memory of 1956	2704	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	31
PID 2704 wrote to memory of 1956	2704	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	31
PID 2704 wrote to memory of 1956	2704	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	31
PID 2704 wrote to memory of 1956	2704	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	31
PID 1956 wrote to memory of 1200	1956	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	21
PID 1956 wrote to memory of 1200	1956	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	21
PID 1956 wrote to memory of 1200	1956	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	21
PID 1956 wrote to memory of 1200	1956	6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Users\Admin\AppData\Local\Temp\6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe"
    3⤵
    - Modifies WinLogon for persistence
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2704
  - - C:\Users\Admin\AppData\Local\Temp\6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\6af66c8d1db0267bc0a784e0af0da9dd_JaffaCakes118.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1

T1490

Replay Monitor

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Downloads

memory/1200-21-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

Filesize
28KB

Download
memory/1200-24-0x000000007EFD0000-0x000000007EFD1000-memory.dmp

Filesize
4KB

Download
memory/1956-17-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1956-15-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1956-13-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2704-7-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2704-10-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2704-20-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2704-16-0x0000000000280000-0x000000000028F000-memory.dmp

Filesize
60KB

Download
memory/2704-4-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2856-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2856-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2856-3-0x00000000002D0000-0x00000000002DF000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads