b2f85382735465316389d8684ce99cc8e922e3746ac555b5c97743e7f21446d2

Analysis

max time kernel
141s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/04/2024, 23:40

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General

Target
e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe
Size 30KB
Sample240407-3nvglaab94
SHA256 b2f85382735465316389d8684ce99cc8e922e3746ac555b5c97743e7f21446d2
MD5 e621fbd0c6b41ecd47d1df908bf64b6f
SHA1 aaea17bc33e05ba1d00b26b76a3c2a10ac72574b
SHA512 5969699bc6fea2f999e406ad129c85185c15769d14d2c4b20732e5a891ec8c8c5c4444c08dca3a8d0d35ffb45e2b4437ce02f71262c8879f50c98162ae62e305
SSDEEP 768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEF3m:SKcR4mjD9r823F2
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1456	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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2856-1-0x00000000012B0000-0x00000000012C7000-memory.dmp	upx
behavioral1/memory/2856-8-0x00000000012B0000-0x00000000012C7000-memory.dmp	upx
behavioral1/files/0x000b00000001424e-11.dat	upx
behavioral1/memory/1456-12-0x0000000000350000-0x0000000000367000-memory.dmp	upx
behavioral1/files/0x000d00000001232e-14.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"	e621fbd0c6b41ecd47d1df908bf64b6f_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	e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2856	e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe
Token: SeDebugPrivilege	1456	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 1456	2856	e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe	28
PID 2856 wrote to memory of 1456	2856	e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe	28
PID 2856 wrote to memory of 1456	2856	e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe	28
PID 2856 wrote to memory of 1456	2856	e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2856
- 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:1456

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

yOo4nOHhlmtdaL0.exe

Path C:\Users\Admin\AppData\Local\Temp\yOo4nOHhlmtdaL0.exe
Size 30KB
SHA256 0247325df19fb404a28585b2afbd27145d72b826a7e8fab1dcb1f77d90bfa107
MD5 3f83c1e6595d86649cc5b4f696c920fe
SHA1 56ae96c66982dded3a66b20692d1edc9072a35f1
SHA512 d9fca3aafe6cdd6a387fdce847a76e656a82bd48d88e132273dbf42250f1b9088fe340ad3309e29e5049d179c0161e79b34ba7db7184556f114a461734558d19
SSDEEP 768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFQ9ZI:SKcR4mjD9r823FJ
MD5 SHA1 SHA512 SSDEEP

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CTS.exe

Path C:\Windows\CTS.exe
Size 29KB
SHA256 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2
MD5 70aa23c9229741a9b52e5ce388a883ac
SHA1 b42683e21e13de3f71db26635954d992ebe7119e
SHA512 be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5
SSDEEP 768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEF:SKcR4mjD9r823F
MD5 SHA1 SHA512 SSDEEP

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memory/1456-12-0x0000000000350000-0x0000000000367000-memory.dmp

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memory/2856-1-0x00000000012B0000-0x00000000012C7000-memory.dmp

Download

memory/2856-8-0x00000000012B0000-0x00000000012C7000-memory.dmp

Download

memory/2856-9-0x0000000000350000-0x0000000000367000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads