cb10ba522d71b68ab8cc497dced558921c00d9eeee96cfdbc5d3317c10340bd4

Analysis

max time kernel
141s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2024, 01:35

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General

Target

ec67b6b3904d22dce5c74fc4f305ca1e_JaffaCakes118.exe
Size

4.3MB
MD5

ec67b6b3904d22dce5c74fc4f305ca1e
SHA1

6d3b9eba47459d7782c6109efb8c4093b872054c
SHA256

cb10ba522d71b68ab8cc497dced558921c00d9eeee96cfdbc5d3317c10340bd4
SHA512

fa2e18a43b8a6eee43b52bfc2d74b4bfcac0db6d756b98992bd2600d96279dadf68323b3d378f3ec24444a82625817880cc41bd206d9c71aece2bf4e7c2cda8f
SSDEEP

98304:za1/XoFi0fijLHspsndb2+vImMyAewTzsPjpZb/fazCTkkI1lifo6Og28:zqgFilM2ndbHwTfe6qjTVkkGko5gJ

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4008	_CAD.tmpac7d.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2648-0-0x0000000000400000-0x0000000000C30000-memory.dmp	upx
behavioral2/memory/2648-2-0x0000000000400000-0x0000000000C30000-memory.dmp	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\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\s5ff1nurdvsw = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ec67b6b3904d22dce5c74fc4f305ca1e_JaffaCakes118.exe"	ec67b6b3904d22dce5c74fc4f305ca1e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Security Monitor = "\"C:\\Users\\Admin\\AppData\\Roaming\\Security Monitor\\Security_Monitor2012.exe\" /STARTUP"	ec67b6b3904d22dce5c74fc4f305ca1e_JaffaCakes118.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1536	2648	WerFault.exe	90

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2648	ec67b6b3904d22dce5c74fc4f305ca1e_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2648	ec67b6b3904d22dce5c74fc4f305ca1e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 4008	2648	ec67b6b3904d22dce5c74fc4f305ca1e_JaffaCakes118.exe	91
PID 2648 wrote to memory of 4008	2648	ec67b6b3904d22dce5c74fc4f305ca1e_JaffaCakes118.exe	91
PID 2648 wrote to memory of 4008	2648	ec67b6b3904d22dce5c74fc4f305ca1e_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\ec67b6b3904d22dce5c74fc4f305ca1e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec67b6b3904d22dce5c74fc4f305ca1e_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\Temp\_CAD.tmpac7d.exe
  "C:\Users\Admin\AppData\Local\Temp\_CAD.tmpac7d.exe" -p"05:11 PM" -y -o"C:\Users\Admin\AppData\Roaming\Security Monitor"
  2⤵
  - Executes dropped EXE
  PID:4008
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 888
  2⤵
  - Program crash
  PID:1536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2648 -ip 2648
1⤵
PID:2872

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4068 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
1⤵
PID:3880

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

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\_CAD.tmpac7d.exe

Filesize
2.7MB

MD5
a8b08e515a9001a7154576d6001298ca

SHA1
8a0d2bf30b18ead7661c3306493de8f69dc4dcfb

SHA256
cedb4c0e5eff7ad4eb2026f2b67e946b2b67dc02f3f01b9034e7ea2a892c9584

SHA512
2d7262fad177f8c017a91474247ed44cb4ce26d50a332379901c8846cd629af360b72de06390feb9691279aea5bc6a12c2fcc06b91677c231b86b37476600eaa

Download Submit
memory/2648-0-0x0000000000400000-0x0000000000C30000-memory.dmp

Filesize
8.2MB

Download
memory/2648-1-0x0000000001250000-0x00000000016AE000-memory.dmp

Filesize
4.4MB

Download
memory/2648-2-0x0000000000400000-0x0000000000C30000-memory.dmp

Filesize
8.2MB

Download
memory/2648-5-0x00000000035C0000-0x00000000035C1000-memory.dmp

Filesize
4KB

Download
memory/2648-6-0x0000000000400000-0x0000000000C30000-memory.dmp

Filesize
8.2MB

Download
memory/2648-24-0x0000000000400000-0x0000000000C30000-memory.dmp

Filesize
8.2MB

Download
memory/2648-26-0x0000000001250000-0x00000000016AE000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads