cf61f847d30e3d5c414afd4f2dc4da650d8fea079dfc26e7322875d42afd7384

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2024, 03:50

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General

Target

ec9be386f0de143679dc76209ed6e872_JaffaCakes118.exe
Size

116KB
MD5

ec9be386f0de143679dc76209ed6e872
SHA1

dcd99020e821185846c83541f76168c125092a09
SHA256

cf61f847d30e3d5c414afd4f2dc4da650d8fea079dfc26e7322875d42afd7384
SHA512

fbf3992b991cbd25d1b390d32a80dff3b59a339754b0646b81dc8003a04b6559f9577e1d04cb8cb56f50ff86ce22b2bc8eb86775e77698153117d0ef911c7f8b
SSDEEP

3072:SKcWmjRrz3TirMbCRvp09HswY8gUyktGUJOMz3NUU:hGTirM2tpMzwUZtGCUU

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4596	4wUF7D4gHMlvs4e.exe
3480	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/3424-0-0x0000000000E50000-0x0000000000E67000-memory.dmp	upx
behavioral2/files/0x000800000002320d-6.dat	upx
behavioral2/memory/3480-8-0x0000000000A40000-0x0000000000A57000-memory.dmp	upx
behavioral2/memory/3424-7-0x0000000000E50000-0x0000000000E67000-memory.dmp	upx
behavioral2/files/0x000300000002274b-13.dat	upx
behavioral2/memory/3480-34-0x0000000000A40000-0x0000000000A57000-memory.dmp	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"	ec9be386f0de143679dc76209ed6e872_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	ec9be386f0de143679dc76209ed6e872_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3424	ec9be386f0de143679dc76209ed6e872_JaffaCakes118.exe
Token: SeDebugPrivilege	3480	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3424 wrote to memory of 4596	3424	ec9be386f0de143679dc76209ed6e872_JaffaCakes118.exe	84
PID 3424 wrote to memory of 4596	3424	ec9be386f0de143679dc76209ed6e872_JaffaCakes118.exe	84
PID 3424 wrote to memory of 4596	3424	ec9be386f0de143679dc76209ed6e872_JaffaCakes118.exe	84
PID 3424 wrote to memory of 3480	3424	ec9be386f0de143679dc76209ed6e872_JaffaCakes118.exe	85
PID 3424 wrote to memory of 3480	3424	ec9be386f0de143679dc76209ed6e872_JaffaCakes118.exe	85
PID 3424 wrote to memory of 3480	3424	ec9be386f0de143679dc76209ed6e872_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\ec9be386f0de143679dc76209ed6e872_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec9be386f0de143679dc76209ed6e872_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3424
- C:\Users\Admin\AppData\Local\Temp\4wUF7D4gHMlvs4e.exe
  C:\Users\Admin\AppData\Local\Temp\4wUF7D4gHMlvs4e.exe
  2⤵
  - Executes dropped EXE
  PID:4596
- 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:3480

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
352KB

MD5
b2c29dc7ffa5466c31245124080b9afb

SHA1
f67af511037fc29d030cb9329f14b9d9c2d984d8

SHA256
96010edad1125eb580a1849fd6071bc848d479ded70dfedf0d6456c1871e5721

SHA512
e019f3ee538417ae98eca6624a84ddd266aaad4c53be0b1b17d029727530ab07fbdae800057a659fbaaf5264c089452b03ef3b8bbd26f1436d134ebb0fb50eeb

Download Submit
C:\Users\Admin\AppData\Local\Temp\4wUF7D4gHMlvs4e.exe

Filesize
87KB

MD5
015207664f86b0d334146d7bc7551a0f

SHA1
b466beca074c3c4a500bfa00fd691cf0fe300d8c

SHA256
3212cacc4d669f381ad1048e43726ec2841de32135438992c55f792bf03beafc

SHA512
6ced0d294fd9c330cab20739336c6cd4c1e202d521fd41c6fd6bdfe7e720247c84ac10a7e25855d3cc9b08f2d9251798eb52383527a9363c5126a6b205ff0657

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/3424-0-0x0000000000E50000-0x0000000000E67000-memory.dmp

Filesize
92KB

Download
memory/3424-7-0x0000000000E50000-0x0000000000E67000-memory.dmp

Filesize
92KB

Download
memory/3480-8-0x0000000000A40000-0x0000000000A57000-memory.dmp

Filesize
92KB

Download
memory/3480-34-0x0000000000A40000-0x0000000000A57000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads