028373482f8fb85608f611ead291cbc731060ba32ad8ff03c48e9ac18ce36da8

Analysis

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

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2024, 04:23

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General

Target

184e024ff0ff1a595873aa16ea3d3409_JaffaCakes118.exe
Size

284KB
MD5

184e024ff0ff1a595873aa16ea3d3409
SHA1

f0abec9fb2765526534aec6c40d86ac5f799f52f
SHA256

028373482f8fb85608f611ead291cbc731060ba32ad8ff03c48e9ac18ce36da8
SHA512

8efcca36d99bc97bcd8a48fdce67e59070a40e0715ffaac5ba787f6e9740eef92e58ff1adc3b40348fe764e5cb1dfacf91067c1830327ed64fe412e961d81221
SSDEEP

6144:/HhuGh2c5WoEHcm2rFSTWZH9UoNLrKcPPjWtrvZ:/HwhI4qrFbZdDprVjSrR

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2432	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/4160-0-0x0000000000040000-0x0000000000057000-memory.dmp	upx
behavioral2/files/0x000a0000000231ac-6.dat	upx
behavioral2/memory/4160-7-0x0000000000040000-0x0000000000057000-memory.dmp	upx
behavioral2/memory/2432-9-0x0000000000480000-0x0000000000497000-memory.dmp	upx
behavioral2/files/0x00030000000227c3-12.dat	upx
behavioral2/files/0x000e000000023139-30.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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	184e024ff0ff1a595873aa16ea3d3409_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	184e024ff0ff1a595873aa16ea3d3409_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4160	184e024ff0ff1a595873aa16ea3d3409_JaffaCakes118.exe
Token: SeDebugPrivilege	2432	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4160 wrote to memory of 2432	4160	184e024ff0ff1a595873aa16ea3d3409_JaffaCakes118.exe	87
PID 4160 wrote to memory of 2432	4160	184e024ff0ff1a595873aa16ea3d3409_JaffaCakes118.exe	87
PID 4160 wrote to memory of 2432	4160	184e024ff0ff1a595873aa16ea3d3409_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\184e024ff0ff1a595873aa16ea3d3409_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\184e024ff0ff1a595873aa16ea3d3409_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4160
- 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:2432

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
606KB

MD5
48fc27b613334110ce1c6eb4ff6d0832

SHA1
72ec710cbfa7e64e30e746662a8819ac194e8740

SHA256
3084a7c742f7fd79a171d8e0f2f5540c18d31c0965b97a59cafd5baf131bf3d2

SHA512
83459ec93449a0f4d3fe5ed047b5d074c4df05badc32b71a1a316307662b5667d2de67c6c5f35a23e06f4e2169eac6609477ee34da572577c15d637716720b5f

Download Submit
C:\Users\Admin\AppData\Local\Temp\wmy0APee7UBbUJl.exe

Filesize
284KB

MD5
5dbf46dbb15a75be4feadfe9f13ce897

SHA1
3102f253b75a9d22eb58ac1b33b2e0447172ff02

SHA256
b868d396e9a8482740da065051a52d8f2e5ae69714bb079383d8221c48a0c822

SHA512
c92010f63162e6b29db784fa18c7e20475e5dfe13843284f34e937703542217dc7d7abec0c4a7ab8e392acfe572aebfb901bd8b59815bdc758244441a5b6228d

Download Submit
C:\Windows\CTS.exe

Filesize
284KB

MD5
ad0a5986cbed3fb2174202c110d1d02a

SHA1
9bf27fa8438345fba75d62c9a5b645c2ab09b0ce

SHA256
b99af97b0ce2484d678954d732442efe4f2bdc5c88fd01071afdc7903297a29e

SHA512
dcb43113d7d8e2b826ed292b35d85a80811b808641b4331ed883038e3158001e4e947970a9e1bf62a97cea93be82694b3968cf918900b690c6428fe7c3d63008

Download Submit
memory/2432-9-0x0000000000480000-0x0000000000497000-memory.dmp

Filesize
92KB

Download
memory/4160-0-0x0000000000040000-0x0000000000057000-memory.dmp

Filesize
92KB

Download
memory/4160-7-0x0000000000040000-0x0000000000057000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads