fa42d1e0061390c2d474e80bf82e6e020bcbd991bddcfd922a417eef2c703b15

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
22/07/2024, 09:38

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General

Target

62b661f562b43c8c045768b0f794b02d_JaffaCakes118.exe
Size

231KB
MD5

62b661f562b43c8c045768b0f794b02d
SHA1

18c06db98b678a4ff9562890126616ed77419644
SHA256

fa42d1e0061390c2d474e80bf82e6e020bcbd991bddcfd922a417eef2c703b15
SHA512

1431b27a79b500d25d75d4f94c08401dfd70be401ce61e737a146b92db0149dbb7dbd7444f630c37a58a9c789c08bf89df67438e62615c3d09f817772eac4656
SSDEEP

3072:WaljkuxzrQMV46d/u48NOusseWopayA7j3iPFRjW5wIEcYJ:WtuBp46pu46Grpan3iPFs5wIG

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1168	ctfnom.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3788-0-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/files/0x00070000000234b7-6.dat	upx
behavioral2/memory/3788-10-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/memory/1168-34-0x0000000000400000-0x000000000043B000-memory.dmp	upx

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\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctfnom = "C:\\Users\\Admin\\AppData\\Roaming\\Dir\\ctfnom.exe"	ctfnom.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3788	62b661f562b43c8c045768b0f794b02d_JaffaCakes118.exe
3788	62b661f562b43c8c045768b0f794b02d_JaffaCakes118.exe
1168	ctfnom.exe
1168	ctfnom.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3788	62b661f562b43c8c045768b0f794b02d_JaffaCakes118.exe
3788	62b661f562b43c8c045768b0f794b02d_JaffaCakes118.exe
1168	ctfnom.exe
1168	ctfnom.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3788 wrote to memory of 1168	3788	62b661f562b43c8c045768b0f794b02d_JaffaCakes118.exe	84
PID 3788 wrote to memory of 1168	3788	62b661f562b43c8c045768b0f794b02d_JaffaCakes118.exe	84
PID 3788 wrote to memory of 1168	3788	62b661f562b43c8c045768b0f794b02d_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\62b661f562b43c8c045768b0f794b02d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\62b661f562b43c8c045768b0f794b02d_JaffaCakes118.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3788
- C:\Users\Admin\AppData\Roaming\Dir\ctfnom.exe
  C:\Users\Admin\AppData\Roaming\Dir\ctfnom.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1168

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

C:\Users\Admin\AppData\Roaming\Dir\Dated.dat

Filesize
4B

MD5
cb492b7df9b5c170d7c87527940eff3b

SHA1
66928e6cbb59c3a3bce606959ef4a865fe04e642

SHA256
dba5166ad9db9ba648c1032ebbd34dcd0d085b50023b839ef5c68ca1db93a563

SHA512
ce677db6ae33c5496874a2902d30d361f6cf12576e96bd8a9f6626a0ca29f0b4f97e403e54711d24ebf34d4e183235a8f9951345d32a20f2dad476d911ee7e06

Download Submit
C:\Users\Admin\AppData\Roaming\Dir\ctfnom.exe

Filesize
231KB

MD5
62b661f562b43c8c045768b0f794b02d

SHA1
18c06db98b678a4ff9562890126616ed77419644

SHA256
fa42d1e0061390c2d474e80bf82e6e020bcbd991bddcfd922a417eef2c703b15

SHA512
1431b27a79b500d25d75d4f94c08401dfd70be401ce61e737a146b92db0149dbb7dbd7444f630c37a58a9c789c08bf89df67438e62615c3d09f817772eac4656

Download Submit
memory/1168-34-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/3788-0-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/3788-10-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download