e7cb59f5111416a308d4b3855f2c250870dbd9885759f4b5e651ec58ca54a8eb

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
21-04-2024 04:37

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General

Target

fe730bc858536655e573d16e8120f496_JaffaCakes118.exe
Size

124KB
MD5

fe730bc858536655e573d16e8120f496
SHA1

b1a3285743df7189a8debdb17a5be7bc0ea82ba4
SHA256

e7cb59f5111416a308d4b3855f2c250870dbd9885759f4b5e651ec58ca54a8eb
SHA512

303ea4cb8bd8c16697ce364007de13a356e55442c41e7f85387fa85764a4307f8b99f4ac5cf9f4d3e78793e8702d49cf4866e3f109985090cbc8552fed20298c
SSDEEP

3072:SKcWmjRrz3mmlOzjLmCYPqzXchzSWOjDqxdNS:hGXlOzjLmFPqA4WOjDITS

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1268	CgMni1ih1wtTSRJ.exe
3600	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/3928-0-0x0000000000B50000-0x0000000000B67000-memory.dmp	upx
behavioral2/memory/3600-9-0x00000000007E0000-0x00000000007F7000-memory.dmp	upx
behavioral2/files/0x000a0000000232b9-7.dat	upx
behavioral2/memory/3928-8-0x0000000000B50000-0x0000000000B67000-memory.dmp	upx
behavioral2/files/0x000a0000000162ad-13.dat	upx
behavioral2/memory/3600-31-0x00000000007E0000-0x00000000007F7000-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"	fe730bc858536655e573d16e8120f496_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	fe730bc858536655e573d16e8120f496_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3928	fe730bc858536655e573d16e8120f496_JaffaCakes118.exe
Token: SeDebugPrivilege	3600	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3928 wrote to memory of 1268	3928	fe730bc858536655e573d16e8120f496_JaffaCakes118.exe	85
PID 3928 wrote to memory of 1268	3928	fe730bc858536655e573d16e8120f496_JaffaCakes118.exe	85
PID 3928 wrote to memory of 3600	3928	fe730bc858536655e573d16e8120f496_JaffaCakes118.exe	86
PID 3928 wrote to memory of 3600	3928	fe730bc858536655e573d16e8120f496_JaffaCakes118.exe	86
PID 3928 wrote to memory of 3600	3928	fe730bc858536655e573d16e8120f496_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\fe730bc858536655e573d16e8120f496_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe730bc858536655e573d16e8120f496_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3928
- C:\Users\Admin\AppData\Local\Temp\CgMni1ih1wtTSRJ.exe
  C:\Users\Admin\AppData\Local\Temp\CgMni1ih1wtTSRJ.exe
  2⤵
  - Executes dropped EXE
  PID:1268
- 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:3600

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
354KB

MD5
b3ba41bbbbb796238b5edda1a3eb7d5a

SHA1
e4ab16b05e236333ce9e397e69653fdce52b598e

SHA256
a45cf7856256f4cef13fed7daf08032663bdd981f40d1ddef6ae0c326a69d90f

SHA512
dd6a457134f1b11d5e2c8e7734dca628234bac722d11fbfee9fe81d653144412646a16c6526f4f83ee3e3c81905a320a3b79f44edd796362f131d88b8206dbf0

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C:\Users\Admin\AppData\Local\Temp\CgMni1ih1wtTSRJ.exe

Filesize
94KB

MD5
9a821d8d62f4c60232b856e98cba7e4f

SHA1
4ec5dcbd43ad3b0178b26a57b8a2f41e33a48df5

SHA256
a5b3bf53bcd3c0296498383837e8f9eb7d610c535521315a96aa740cf769f525

SHA512
1b5273a52973dac77ad0ef7aa1dda929a782d762ab8489eb90dff1062dd4cc01e4f7f4157266a2abcf8941e91cf4aa5603de1dd8ee871524748e0989ebaa37d3

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/3600-9-0x00000000007E0000-0x00000000007F7000-memory.dmp

Filesize
92KB

Download
memory/3600-31-0x00000000007E0000-0x00000000007F7000-memory.dmp

Filesize
92KB

Download
memory/3928-0-0x0000000000B50000-0x0000000000B67000-memory.dmp

Filesize
92KB

Download
memory/3928-8-0x0000000000B50000-0x0000000000B67000-memory.dmp

Filesize
92KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads