f2226b0ea99a0ee13db2374dd72977307a036c31cfe373ff3efc033dae7961a9

Analysis

max time kernel
140s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
05-05-2024 09:27

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General

Target

ca1d44017507b87cf61e0963d8a37c34_JaffaCakes118.exe
Size

27KB
MD5

ca1d44017507b87cf61e0963d8a37c34
SHA1

d052952639b73577e5edc3ade898b486fbfe2763
SHA256

f2226b0ea99a0ee13db2374dd72977307a036c31cfe373ff3efc033dae7961a9
SHA512

ef01b1b9b255c010988e45a0427f19af0d883b4403471a9c9478c2ad25a9fa7f9ee47000b043afa0e7615ba8d6ef4956b866b52c88acccd893b9ce431765080c
SSDEEP

768:X9J/3FzjgfanEGx8V36unjv88tznuRU65Y4gpph1ePVCMx:N5VzcfA/6LrVpL74gfh16nx

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4156	CTS.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/456-0-0x0000000000990000-0x00000000009A8000-memory.dmp	upx
behavioral2/files/0x000c000000023b98-7.dat	upx
behavioral2/memory/456-9-0x0000000000990000-0x00000000009A8000-memory.dmp	upx
behavioral2/memory/4156-10-0x00000000009B0000-0x00000000009C8000-memory.dmp	upx
behavioral2/files/0x00030000000229c5-13.dat	upx
behavioral2/files/0x000c000000023b3e-31.dat	upx

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	ca1d44017507b87cf61e0963d8a37c34_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	ca1d44017507b87cf61e0963d8a37c34_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	456	ca1d44017507b87cf61e0963d8a37c34_JaffaCakes118.exe
Token: SeDebugPrivilege	4156	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 456 wrote to memory of 4156	456	ca1d44017507b87cf61e0963d8a37c34_JaffaCakes118.exe	84
PID 456 wrote to memory of 4156	456	ca1d44017507b87cf61e0963d8a37c34_JaffaCakes118.exe	84
PID 456 wrote to memory of 4156	456	ca1d44017507b87cf61e0963d8a37c34_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\ca1d44017507b87cf61e0963d8a37c34_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ca1d44017507b87cf61e0963d8a37c34_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:456
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:4156

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
348KB

MD5
de957ba1d7861801a6f8315122ecf363

SHA1
8deaa0cdfe7507c1b06aec013a344692ea1c61ed

SHA256
8cd3f75dbd25af65198e326b98b66e9492b97310375c4dd1527b3884ba66c5a2

SHA512
f25f15ef51401aa698af457bf986640efa28f9b9dbb4be489039b871c214495659781eed4792346cdc8543d86fdb64a27766ee7424c1017d965f53ed57f0ab24

Download Submit
C:\Users\Admin\AppData\Local\Temp\Fgk2xlyJKnxIZpH.exe

Filesize
27KB

MD5
4fec99590a4c9949c2fcf8dd8dd87d40

SHA1
c97d7da3ea62783e354130327c8284bfb6b28cc5

SHA256
d54f1527361694f6be5f5cb99c665ddde0062f6f4716d009aff379c54eba26e0

SHA512
bee72be35bb5e253e18b788f04c99fe85bd227943b7ba6367bf84f4a4d48496e8a7d7f4a4850976252af3aaeb9cbdfab2892daf7d6e588057fb39060425b5e63

Download Submit
C:\Windows\CTS.exe

Filesize
27KB

MD5
a6749b968461644db5cc0ecceffb224a

SHA1
2795aa37b8586986a34437081351cdd791749a90

SHA256
720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2

SHA512
2a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4

Download Submit
memory/456-0-0x0000000000990000-0x00000000009A8000-memory.dmp

Filesize
96KB

Download
memory/456-9-0x0000000000990000-0x00000000009A8000-memory.dmp

Filesize
96KB

Download
memory/4156-10-0x00000000009B0000-0x00000000009C8000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads