e66378e9a9e2aff271238dd50885591b15f284b8b783df59be71629cdf6e27c9

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01/07/2024, 17:59

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General

Target

1bf6a282d9fbb28b7283f43bfbf334b5_JaffaCakes118.exe
Size

10KB
MD5

1bf6a282d9fbb28b7283f43bfbf334b5
SHA1

0eda1e0b3691937e4e1c6cf9c840f6d309b982d7
SHA256

e66378e9a9e2aff271238dd50885591b15f284b8b783df59be71629cdf6e27c9
SHA512

937fbca704b8506e78cc367f4fe716339f42eb3bd9488a697fa8a1d546233ccbbe3691e1ce84a98334a9e7f0e6be7a0d17d215199cb6f087e1445f34eed2e1cd
SSDEEP

192:F4OUMQ1UFY1dy54TDyqGvyD7oKNAKfDxzCzbZB:a91Xji4OANA+m

Score

7^/10

persistence

Malware Config

Signatures

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-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation	1bf6a282d9fbb28b7283f43bfbf334b5_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4264	winudll.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winudll.exe = "C:\\Windows\\system32\\winudll.exe"	winudll.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winudll.exe = "C:\\Windows\\system32\\winudll.exe"	1bf6a282d9fbb28b7283f43bfbf334b5_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\winudll.exe	1bf6a282d9fbb28b7283f43bfbf334b5_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\winudll.exe	1bf6a282d9fbb28b7283f43bfbf334b5_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\winudll.exe	winudll.exe
File created	C:\Windows\SysWOW64\winudll.exe	winudll.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4964	1bf6a282d9fbb28b7283f43bfbf334b5_JaffaCakes118.exe
Token: SeDebugPrivilege	4264	winudll.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 4264	4964	1bf6a282d9fbb28b7283f43bfbf334b5_JaffaCakes118.exe	85
PID 4964 wrote to memory of 4264	4964	1bf6a282d9fbb28b7283f43bfbf334b5_JaffaCakes118.exe	85
PID 4964 wrote to memory of 4264	4964	1bf6a282d9fbb28b7283f43bfbf334b5_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\1bf6a282d9fbb28b7283f43bfbf334b5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1bf6a282d9fbb28b7283f43bfbf334b5_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Windows\SysWOW64\winudll.exe
  "C:\Windows\system32\winudll.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  PID:4264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

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

C:\Windows\SysWOW64\winudll.exe

Filesize
10KB

MD5
1bf6a282d9fbb28b7283f43bfbf334b5

SHA1
0eda1e0b3691937e4e1c6cf9c840f6d309b982d7

SHA256
e66378e9a9e2aff271238dd50885591b15f284b8b783df59be71629cdf6e27c9

SHA512
937fbca704b8506e78cc367f4fe716339f42eb3bd9488a697fa8a1d546233ccbbe3691e1ce84a98334a9e7f0e6be7a0d17d215199cb6f087e1445f34eed2e1cd

Download Submit
memory/4264-11-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4264-12-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4964-0-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4964-10-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads