a2f67d00ba7b533cc039f3bb534550d780ca4c1880de624e7c57bb18a2cbd8fb

Analysis

max time kernel
142s
max time network
134s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11/08/2024, 16:48

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General

Target

8b28c9b6dfbcce668bb6ee4a71983646_JaffaCakes118.exe
Size

275KB
MD5

8b28c9b6dfbcce668bb6ee4a71983646
SHA1

191dd719e835498823dd8b727f1a1b4ed5b2bf1e
SHA256

a2f67d00ba7b533cc039f3bb534550d780ca4c1880de624e7c57bb18a2cbd8fb
SHA512

29320b4485cf80fd380ed1889d9c2ca216970b448ac6230fd2ee5a639d18306e09a372d3c070406a70260837550186e2b80249789afdacee1273dd25935bbe26
SSDEEP

6144:XxSJ40WsKJFAGLAfSfdmo21SfXzqf3ygpbR1t1hl:Q40WgGsfKmszWyC17h

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2408	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2224	system.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system.exe	8b28c9b6dfbcce668bb6ee4a71983646_JaffaCakes118.exe
File created	C:\Windows\uninstal.bat	8b28c9b6dfbcce668bb6ee4a71983646_JaffaCakes118.exe
File created	C:\Windows\system.exe	8b28c9b6dfbcce668bb6ee4a71983646_JaffaCakes118.exe

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8b28c9b6dfbcce668bb6ee4a71983646_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2676	8b28c9b6dfbcce668bb6ee4a71983646_JaffaCakes118.exe
Token: SeDebugPrivilege	2224	system.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2224	system.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 2188	2224	system.exe	31
PID 2224 wrote to memory of 2188	2224	system.exe	31
PID 2224 wrote to memory of 2188	2224	system.exe	31
PID 2224 wrote to memory of 2188	2224	system.exe	31
PID 2676 wrote to memory of 2408	2676	8b28c9b6dfbcce668bb6ee4a71983646_JaffaCakes118.exe	32
PID 2676 wrote to memory of 2408	2676	8b28c9b6dfbcce668bb6ee4a71983646_JaffaCakes118.exe	32
PID 2676 wrote to memory of 2408	2676	8b28c9b6dfbcce668bb6ee4a71983646_JaffaCakes118.exe	32
PID 2676 wrote to memory of 2408	2676	8b28c9b6dfbcce668bb6ee4a71983646_JaffaCakes118.exe	32
PID 2676 wrote to memory of 2408	2676	8b28c9b6dfbcce668bb6ee4a71983646_JaffaCakes118.exe	32
PID 2676 wrote to memory of 2408	2676	8b28c9b6dfbcce668bb6ee4a71983646_JaffaCakes118.exe	32
PID 2676 wrote to memory of 2408	2676	8b28c9b6dfbcce668bb6ee4a71983646_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\8b28c9b6dfbcce668bb6ee4a71983646_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8b28c9b6dfbcce668bb6ee4a71983646_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\uninstal.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2408

C:\Windows\system.exe
C:\Windows\system.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
  2⤵
  PID:2188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\system.exe

Filesize
275KB

MD5
8b28c9b6dfbcce668bb6ee4a71983646

SHA1
191dd719e835498823dd8b727f1a1b4ed5b2bf1e

SHA256
a2f67d00ba7b533cc039f3bb534550d780ca4c1880de624e7c57bb18a2cbd8fb

SHA512
29320b4485cf80fd380ed1889d9c2ca216970b448ac6230fd2ee5a639d18306e09a372d3c070406a70260837550186e2b80249789afdacee1273dd25935bbe26

Download Submit
C:\Windows\uninstal.bat

Filesize
218B

MD5
17ef193ca435fb8b30bf90e4ebd973ae

SHA1
f1be3eda175e36862e6ed93700cbafe63beb7f76

SHA256
56c5a7809376f0eb7427807f6eb3e1535211e3c6da35ed60cf54caa8eabdcd7a

SHA512
d7c96f33a3e134c53882323066022f4fc119bd306e91d41883f343762093f35ecb68ee272f52a2b24acbad3953243b9d4c943f56cc1ba8cf79b371e5ddcefcb6

Download Submit
memory/2224-5-0x0000000000400000-0x0000000000512000-memory.dmp

Filesize
1.1MB

Download
memory/2224-15-0x0000000000400000-0x0000000000512000-memory.dmp

Filesize
1.1MB

Download
memory/2224-17-0x0000000000400000-0x0000000000512000-memory.dmp

Filesize
1.1MB

Download
memory/2676-0-0x0000000000400000-0x0000000000512000-memory.dmp

Filesize
1.1MB

Download
memory/2676-3-0x0000000000400000-0x0000000000512000-memory.dmp

Filesize
1.1MB

Download