8a58f3bd25dd85ec272d9f440f004cfc16a3f8f2b0de4083cf096986baa103cb

Analysis

max time kernel
150s
max time network
153s
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, 10:49

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General

Target

ff1c318907719636f9a1922e86d4e165_JaffaCakes118.exe
Size

97KB
MD5

ff1c318907719636f9a1922e86d4e165
SHA1

bb3cd5554123e35e5b4a53a6d5ca4912a814980f
SHA256

8a58f3bd25dd85ec272d9f440f004cfc16a3f8f2b0de4083cf096986baa103cb
SHA512

0a28398ba866416fac5be5ef59b4117835f0990ce2bd83d5b52b9a663eea381a9e9dc9e76b9661d0a552c14991ef1d3a6ae3fd4b38aee2a001c22587d9087f14
SSDEEP

3072:SKcWmjRrz3cTR/AaFWi27p82t4uT6pPrJ9KmbyyHY:hGyad7p8SHiPdwUY

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3528	tqpqoXkyNMVCNtd.exe
4760	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
behavioral2/memory/3592-0-0x0000000000860000-0x0000000000877000-memory.dmp	upx
behavioral2/files/0x000900000002338f-6.dat	upx
behavioral2/memory/3592-7-0x0000000000860000-0x0000000000877000-memory.dmp	upx
behavioral2/memory/4760-9-0x0000000000370000-0x0000000000387000-memory.dmp	upx
behavioral2/files/0x000a0000000162a2-12.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"	ff1c318907719636f9a1922e86d4e165_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	ff1c318907719636f9a1922e86d4e165_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3592	ff1c318907719636f9a1922e86d4e165_JaffaCakes118.exe
Token: SeDebugPrivilege	4760	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3592 wrote to memory of 3528	3592	ff1c318907719636f9a1922e86d4e165_JaffaCakes118.exe	87
PID 3592 wrote to memory of 3528	3592	ff1c318907719636f9a1922e86d4e165_JaffaCakes118.exe	87
PID 3592 wrote to memory of 3528	3592	ff1c318907719636f9a1922e86d4e165_JaffaCakes118.exe	87
PID 3592 wrote to memory of 4760	3592	ff1c318907719636f9a1922e86d4e165_JaffaCakes118.exe	88
PID 3592 wrote to memory of 4760	3592	ff1c318907719636f9a1922e86d4e165_JaffaCakes118.exe	88
PID 3592 wrote to memory of 4760	3592	ff1c318907719636f9a1922e86d4e165_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\ff1c318907719636f9a1922e86d4e165_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff1c318907719636f9a1922e86d4e165_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3592
- C:\Users\Admin\AppData\Local\Temp\tqpqoXkyNMVCNtd.exe
  C:\Users\Admin\AppData\Local\Temp\tqpqoXkyNMVCNtd.exe
  2⤵
  - Executes dropped EXE
  PID:3528
- 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:4760

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
5ee65fd3126056742547af0110bfa4f6

SHA1
e79deff92ea6130982ab5f10589cfb4a3e0efa8e

SHA256
eacd2d2888bdfd18896dd3a89202cad05750a615195bf3208ce712cc134d2e94

SHA512
5977ffd490a9c63652893c017a29f93ba5f67e004e11ec4c38a0fe1505323f73f504bba0b33e80d7df40476fd315e4e3900af864385603c4895f8912ed4fdfbe

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

Filesize
67KB

MD5
50e9d1438f14e3e345db6b9f15473be0

SHA1
20b511d23f4df169b10d6cd022e90b3441af038a

SHA256
6852f4faa2d0ae8be06c198c40875c9ecc466c2da9f6899b6d1f80e7df80b5e9

SHA512
65dcd5c3ee197727beef8c5bfef4073d9ed93c6662827721310dcbc0ea02c8334dbe42a47a2aee1cbe35a2943d6518c93a1d77325e58ad74cb93828b6c691ea9

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/3592-0-0x0000000000860000-0x0000000000877000-memory.dmp

Filesize
92KB

Download
memory/3592-7-0x0000000000860000-0x0000000000877000-memory.dmp

Filesize
92KB

Download
memory/4760-9-0x0000000000370000-0x0000000000387000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads