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

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	370a575c951741053226ef7616727e2a_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4196	win32.exe
2724	winupdate.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4196-7-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral2/memory/4196-10-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral2/memory/4196-11-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral2/memory/4196-20-0x0000000000400000-0x0000000000416000-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-1-5-21-701583114-2636601053-947405450-1000\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 1796 set thread context of 4196	1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	88

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
1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe
1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 3524	1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	87
PID 1796 wrote to memory of 3524	1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	87
PID 1796 wrote to memory of 3524	1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	87
PID 1796 wrote to memory of 4196	1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	88
PID 1796 wrote to memory of 4196	1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	88
PID 1796 wrote to memory of 4196	1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	88
PID 1796 wrote to memory of 4196	1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	88
PID 1796 wrote to memory of 4196	1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	88
PID 1796 wrote to memory of 4196	1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	88
PID 1796 wrote to memory of 4196	1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	88
PID 1796 wrote to memory of 4196	1796	370a575c951741053226ef7616727e2a_JaffaCakes118.exe	88
PID 4196 wrote to memory of 2724	4196	win32.exe	89
PID 4196 wrote to memory of 2724	4196	win32.exe	89
PID 4196 wrote to memory of 2724	4196	win32.exe	89

C:\Users\Admin\AppData\Local\Temp\370a575c951741053226ef7616727e2a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\370a575c951741053226ef7616727e2a_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Users\Admin\AppData\Local\Temp\winamp\win32.exe
  C:\Users\Admin\AppData\Local\Temp\\winamp\win32.exe
  2⤵
  PID:3524
- C:\Users\Admin\AppData\Local\Temp\winamp\win32.exe
  C:\Users\Admin\AppData\Local\Temp\\winamp\win32.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4196
- - C:\Users\Admin\AppData\Roaming\Microsoft\winupdate.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winupdate.exe
    3⤵
    - Executes dropped EXE
    PID:2724

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/1796-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

Filesize
4KB

Download
memory/1796-1-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/1796-13-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/4196-7-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4196-10-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4196-11-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4196-18-0x0000000000420000-0x00000000004E9000-memory.dmp

Filesize
804KB

Download
memory/4196-20-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads