aaca56b2cf5bf4b858b9e1ae75406649f0c40b73dace622586409f830e1c3d19

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
06/07/2024, 09:07

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General

Target

27ffb958a31a43abd7ed176a59fa95ea_JaffaCakes118.exe
Size

573KB
MD5

27ffb958a31a43abd7ed176a59fa95ea
SHA1

e15385a12ac9248d22883c34594bc549eda38a91
SHA256

aaca56b2cf5bf4b858b9e1ae75406649f0c40b73dace622586409f830e1c3d19
SHA512

cc05a17d16a2b11d0eb098c624b84c5ae2933c9ea5cc745162a9f346b702a94097203af8563b74d8cafe7bdb68154efd7f682bc08f13bd80f5deaa1c54d5c522
SSDEEP

12288:n8aY9721JQE4EJ3sJp1HHVdsoOITy+781/CYzXh6dlU:8agEF/2DHHVdTvT3WvLh

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2392	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1796	systemt.exe

Loads dropped DLL 2 IoCs

pid	Process
1912	27ffb958a31a43abd7ed176a59fa95ea_JaffaCakes118.exe
1912	27ffb958a31a43abd7ed176a59fa95ea_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 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\Systemtlt = "C:\\Windows\\system32\\systemt.exe"	27ffb958a31a43abd7ed176a59fa95ea_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\systemt.exe	27ffb958a31a43abd7ed176a59fa95ea_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\hook.dll	27ffb958a31a43abd7ed176a59fa95ea_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 1796	1912	27ffb958a31a43abd7ed176a59fa95ea_JaffaCakes118.exe	30
PID 1912 wrote to memory of 1796	1912	27ffb958a31a43abd7ed176a59fa95ea_JaffaCakes118.exe	30
PID 1912 wrote to memory of 1796	1912	27ffb958a31a43abd7ed176a59fa95ea_JaffaCakes118.exe	30
PID 1912 wrote to memory of 1796	1912	27ffb958a31a43abd7ed176a59fa95ea_JaffaCakes118.exe	30
PID 1912 wrote to memory of 2392	1912	27ffb958a31a43abd7ed176a59fa95ea_JaffaCakes118.exe	31
PID 1912 wrote to memory of 2392	1912	27ffb958a31a43abd7ed176a59fa95ea_JaffaCakes118.exe	31
PID 1912 wrote to memory of 2392	1912	27ffb958a31a43abd7ed176a59fa95ea_JaffaCakes118.exe	31
PID 1912 wrote to memory of 2392	1912	27ffb958a31a43abd7ed176a59fa95ea_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\27ffb958a31a43abd7ed176a59fa95ea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\27ffb958a31a43abd7ed176a59fa95ea_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Windows\SysWOW64\systemt.exe
  C:\Windows\system32\systemt.exe
  2⤵
  - Executes dropped EXE
  PID:1796
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\system_self.bat
  2⤵
  - Deletes itself
  PID:2392

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\system_self.bat

Filesize
261B

MD5
091cbf546847b9422189d2b79eb630d7

SHA1
5c71bca91851ba419c42cb6bc301fa2de4645583

SHA256
30a872b42acc1548187cb567449922427082324e6529ce300e6673fe4cc4dcdf

SHA512
0fc733deb2286a5d1af031cb48fa65e83f08dea75e15eb5340c7a14185b5fd3ac5e222c2c1506896ae5932bc93a62cf74275d1e6e1f607ee66b1616c1eef7dcf

Download Submit
\Windows\SysWOW64\systemt.exe

Filesize
415KB

MD5
6c49e6739c563b150f94782a8cb3c323

SHA1
e0a5017f88b378f782fea152608f68664feec476

SHA256
af5ca332285f48d4ece6caed368fe809c42c081f82ca6fb10adcf2bfaa568742

SHA512
70a0d03045bf0fab214ede8a24c45a66f958cead57c58e37c6ab92c4e2e41aef1cabe513f2ca760bbd4cc7c31c1e0c850d683c9602961e49aafddf3b7d71653d

Download Submit
memory/1796-10-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1912-17-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads