719962308e2acf87235faf9b8dcd4a2a432c2c7327feca10271e2cca967eace4

General

Target

370a575c951741053226ef7616727e2a_JaffaCakes118.exe
Size

1.0MB
MD5

370a575c951741053226ef7616727e2a
SHA1

3600678b5bbe3d912560b9aa6c957c2319ee9fcf
SHA256

719962308e2acf87235faf9b8dcd4a2a432c2c7327feca10271e2cca967eace4
SHA512

234357f136d94456f3529d936b003d934c18aef1fbdf01ad87b8fe20efba710018c8aac0c6a38dcc0ba6a0d262d24ecd776d367070851e7fd044361bc40c759b
SSDEEP

1536:hxbhTVV47rdlYBSYR0OgYQySlNtww9XnshUugXXqSCcW7y0JwD:hXVQrdaBSs/Qy2H/shUuCBxW7y7D

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	370a575c951741053226ef7616727e2a_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2080	win32.exe
2712	winupdate.exe

Loads dropped DLL 3 IoCs

pid	Process
1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
2080	win32.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2080-20-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral1/memory/2080-16-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral1/memory/2080-14-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral1/memory/2080-24-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral1/memory/2080-25-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral1/memory/2080-34-0x0000000000400000-0x0000000000416000-memory.dmp	upx

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-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winupdate.exe"	win32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1936 set thread context of 2080	1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	32

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 1112	1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	31
PID 1936 wrote to memory of 1112	1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	31
PID 1936 wrote to memory of 1112	1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	31
PID 1936 wrote to memory of 1112	1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	31
PID 1936 wrote to memory of 2080	1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	32
PID 1936 wrote to memory of 2080	1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	32
PID 1936 wrote to memory of 2080	1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	32
PID 1936 wrote to memory of 2080	1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	32
PID 1936 wrote to memory of 2080	1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	32
PID 1936 wrote to memory of 2080	1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	32
PID 1936 wrote to memory of 2080	1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	32
PID 1936 wrote to memory of 2080	1936	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	32
PID 2080 wrote to memory of 2712	2080	win32.exe	33
PID 2080 wrote to memory of 2712	2080	win32.exe	33
PID 2080 wrote to memory of 2712	2080	win32.exe	33
PID 2080 wrote to memory of 2712	2080	win32.exe	33
PID 2080 wrote to memory of 2712	2080	win32.exe	33
PID 2080 wrote to memory of 2712	2080	win32.exe	33
PID 2080 wrote to memory of 2712	2080	win32.exe	33

C:\Users\Admin\AppData\Local\Temp\370a575c951741053226ef7616727e2a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\370a575c951741053226ef7616727e2a_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Users\Admin\AppData\Local\Temp\winamp\win32.exe
  C:\Users\Admin\AppData\Local\Temp\\winamp\win32.exe
  2⤵
  PID:1112
- C:\Users\Admin\AppData\Local\Temp\winamp\win32.exe
  C:\Users\Admin\AppData\Local\Temp\\winamp\win32.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2080
- - C:\Users\Admin\AppData\Roaming\Microsoft\winupdate.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winupdate.exe
    3⤵
    - Executes dropped EXE
    PID:2712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\winamp\win32.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/1936-0-0x0000000074F31000-0x0000000074F32000-memory.dmp

Filesize
4KB

Download
memory/1936-1-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download
memory/1936-2-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download
memory/1936-26-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download
memory/2080-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2080-20-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2080-16-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2080-14-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2080-24-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2080-25-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2080-12-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2080-34-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads