13bbc671966e78d95bc28f99aadd1bf9d9c563ce5630b3523d5b22fa12c032a1

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
10/07/2024, 16:17

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General

Target

3577f4702582432300f89e998ea60a82_JaffaCakes118.exe
Size

20KB
MD5

3577f4702582432300f89e998ea60a82
SHA1

eca085692f561bc655fd7b8b0a4f0fcac6f27bfa
SHA256

13bbc671966e78d95bc28f99aadd1bf9d9c563ce5630b3523d5b22fa12c032a1
SHA512

1e91595f66fdcf0846858b526b0ff1e4ebc418a95dcfc1d5bbf90e08670b7a45e019e72dd43975275b81a7ea40cf10af6b51299f4c9278c127e76e308912cc2e
SSDEEP

384:bO2OEHdn0QfuLNExpYROROJWHLyRFqKv8sNPeKl3C1J9:RHlhQExpoOYSLy1vZ53C1D

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2828	wmcstiyz.exe

Executes dropped EXE 1 IoCs

pid	Process
2828	wmcstiyz.exe

Loads dropped DLL 2 IoCs

pid	Process
2444	3577f4702582432300f89e998ea60a82_JaffaCakes118.exe
2444	3577f4702582432300f89e998ea60a82_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 3 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\MSCV = "C:\\Users\\Admin\\wmcstiyz.exe"	wmcstiyz.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\MSCV = "C:\\Users\\Admin\\wmcstiyz.exe"	wmcstiyz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSCV = "C:\\Users\\Admin\\wmcstiyz.exe"	wmcstiyz.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2828	wmcstiyz.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2444	3577f4702582432300f89e998ea60a82_JaffaCakes118.exe
Token: SeTcbPrivilege	2444	3577f4702582432300f89e998ea60a82_JaffaCakes118.exe
Token: SeDebugPrivilege	2828	wmcstiyz.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2828	2444	3577f4702582432300f89e998ea60a82_JaffaCakes118.exe	30
PID 2444 wrote to memory of 2828	2444	3577f4702582432300f89e998ea60a82_JaffaCakes118.exe	30
PID 2444 wrote to memory of 2828	2444	3577f4702582432300f89e998ea60a82_JaffaCakes118.exe	30
PID 2444 wrote to memory of 2828	2444	3577f4702582432300f89e998ea60a82_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\3577f4702582432300f89e998ea60a82_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3577f4702582432300f89e998ea60a82_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Users\Admin\wmcstiyz.exe
  "C:\Users\Admin\wmcstiyz.exe" 224 "C:\Users\Admin\AppData\Local\Temp\3577f4702582432300f89e998ea60a82_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2828

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

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\wmcstiyz.exe

Filesize
20KB

MD5
3577f4702582432300f89e998ea60a82

SHA1
eca085692f561bc655fd7b8b0a4f0fcac6f27bfa

SHA256
13bbc671966e78d95bc28f99aadd1bf9d9c563ce5630b3523d5b22fa12c032a1

SHA512
1e91595f66fdcf0846858b526b0ff1e4ebc418a95dcfc1d5bbf90e08670b7a45e019e72dd43975275b81a7ea40cf10af6b51299f4c9278c127e76e308912cc2e

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