0269b95a8da1183256c9c3b432ece592b3ba0df372476fb82a7c3a638e00f2e0

Analysis

max time kernel
152s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25-06-2024 12:51

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General

Target

0e2517c05b6208790f5e1307a5cb3887_JaffaCakes118.exe
Size

54KB
MD5

0e2517c05b6208790f5e1307a5cb3887
SHA1

ec8fe97ada99f14f2cef0bb548217c39fce3bdc5
SHA256

0269b95a8da1183256c9c3b432ece592b3ba0df372476fb82a7c3a638e00f2e0
SHA512

98b32c0f88d0c77f2657d64ee88ff9f0ef0fb26f49bccefb65c6c4351fab9d8186e39fa99636aba3ed427ab43e2d2899ee0f3359f630fefdd87ff4a0a72ee12f
SSDEEP

768:7OnXYQ5ltpQC8tLBs5tc6Eq2mMLjHxwjcjuNzcXobGJ/WduqwAudSOa0ladpMeLu:SIQ5ltpQBeaFRnQMoKpxJdSYagey8mt

Score

10^/10

persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

0e2517c05b6208790f5e1307a5cb3887_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0e2517c05b6208790f5e1307a5cb3887_JaffaCakes118.exe"	0e2517c05b6208790f5e1307a5cb3887_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4840-2-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4840-3-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4840-4-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0e2517c05b6208790f5e1307a5cb3887_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\S119771 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0e2517c05b6208790f5e1307a5cb3887_JaffaCakes118.exe"	0e2517c05b6208790f5e1307a5cb3887_JaffaCakes118.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

780 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 780 taskkill.exe

pid	process
780	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	780	taskkill.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

0e2517c05b6208790f5e1307a5cb3887_JaffaCakes118.exe

description	pid	process	target process
PID 4840 wrote to memory of 780	4840	0e2517c05b6208790f5e1307a5cb3887_JaffaCakes118.exe	taskkill.exe
PID 4840 wrote to memory of 780	4840	0e2517c05b6208790f5e1307a5cb3887_JaffaCakes118.exe	taskkill.exe
PID 4840 wrote to memory of 780	4840	0e2517c05b6208790f5e1307a5cb3887_JaffaCakes118.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\0e2517c05b6208790f5e1307a5cb3887_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0e2517c05b6208790f5e1307a5cb3887_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4840

C:\Windows\SysWOW64\taskkill.exe
taskkill /F /IM explorer.exe
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:780

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=3648 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
1⤵
PID:3420

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4840-0-0x0000000000403000-0x0000000000407000-memory.dmp

Filesize
16KB

Download
memory/4840-1-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4840-2-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4840-3-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4840-4-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4840-5-0x0000000000403000-0x0000000000407000-memory.dmp

Filesize
16KB

Download