163a2a4412cc26a3c28f2dcee65b665d0ab79c654f8fbff4c6d3725e01d69f3a

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
27/06/2024, 19:24

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General

Target

173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe
Size

321KB
MD5

173bc830abb1c22b4f72767dd2aacd17
SHA1

e6f43fd8c5b17299281db66635e47f60dd0630b0
SHA256

163a2a4412cc26a3c28f2dcee65b665d0ab79c654f8fbff4c6d3725e01d69f3a
SHA512

65999bd1e708830c2bdaa5958d7cae00b71dcfe67cec6cfb13db19c5a547b93829c106a577bb4510fd9608faf6f1990bb50de615ca9e77aa845eec9ef90e70af
SSDEEP

6144:KjLZlcwuO3NYDsNAdnQWMAN6l5yjiqXRZtWpfvxs5kiha0Al3EsRy2LaQtw:Ylc7O3N50BMukyHgG51A5WQy

Score

7^/10

persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1328	cNnClKl08200.exe

Executes dropped EXE 1 IoCs

pid	Process
1328	cNnClKl08200.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2540-0-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2540-2-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2540-4-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2540-5-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1328-18-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2540-21-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1328-22-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1328-33-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2540-40-0x0000000000400000-0x00000000004B5000-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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\cNnClKl08200 = "C:\\ProgramData\\cNnClKl08200\\cNnClKl08200.exe"	cNnClKl08200.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe
Token: SeDebugPrivilege	1328	cNnClKl08200.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1328	cNnClKl08200.exe
1328	cNnClKl08200.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1328	cNnClKl08200.exe
1328	cNnClKl08200.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1328	cNnClKl08200.exe
1328	cNnClKl08200.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 1328	2540	173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe	81
PID 2540 wrote to memory of 1328	2540	173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe	81
PID 2540 wrote to memory of 1328	2540	173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe	81

C:\Users\Admin\AppData\Local\Temp\173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2540
- C:\ProgramData\cNnClKl08200\cNnClKl08200.exe
  "C:\ProgramData\cNnClKl08200\cNnClKl08200.exe" "C:\Users\Admin\AppData\Local\Temp\173bc830abb1c22b4f72767dd2aacd17_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:1328

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:\ProgramData\cNnClKl08200\cNnClKl08200.exe

Filesize
321KB

MD5
8dd55dd139a7baef66de1885b5e358db

SHA1
437c495ba1349c6097347fc2126f53aa843e898d

SHA256
257706b28bf8e7588715c9489ae75196b14e59419a0f95f4efedadb35d3bd0f1

SHA512
419aa31499a818ec036900788a7418359d3b089cf78634ded9208cd02ffea16b0912f3f82b22b61c3331f4cc1d4c00aabe3be4c672fe095b81d63b9b3ff38d16

Download Submit
memory/1328-14-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1328-18-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1328-22-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1328-33-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2540-0-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2540-2-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2540-4-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2540-3-0x0000000000403000-0x0000000000404000-memory.dmp

Filesize
4KB

Download
memory/2540-5-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2540-21-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2540-40-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads