b1ae193f01e0f33d556173f1ecc00b98a966c5b8986093f2eca0b3e338984a2b

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 08:04

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General

Target

fc4ccb5a5283b713af4e609582a2e495_JaffaCakes118.dll
Size

336KB
MD5

fc4ccb5a5283b713af4e609582a2e495
SHA1

833c1be89ddf0004458fe9c450a5868eb9218ee9
SHA256

b1ae193f01e0f33d556173f1ecc00b98a966c5b8986093f2eca0b3e338984a2b
SHA512

342a1a54a1ccc5fda7b81e2b2cebeb92e7894e1fb290014c1dc48df22c69c9c7c798fd4d64dbe7d36ed1a7d25360d162c57e02af36f48fad06b9228b1a9f4f3e
SSDEEP

6144:zTBsFSYLie4lXFTzJQ5/fe8oPmomce4diTOt:zTBWSuBsTzK5/G8oPmomcPi

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 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\ShellServiceObjectDelayLoad\evgratsm = "{E68204C8-5599-460B-96DD-07A340F57202}"	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E68204C8-5599-460B-96DD-07A340F57202}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E68204C8-5599-460B-96DD-07A340F57202}\InProcServer32\ = "C:\\Windows\\evgratsm.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E68204C8-5599-460B-96DD-07A340F57202}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 1580	1968	rundll32.exe	84
PID 1968 wrote to memory of 1580	1968	rundll32.exe	84
PID 1968 wrote to memory of 1580	1968	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc4ccb5a5283b713af4e609582a2e495_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc4ccb5a5283b713af4e609582a2e495_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies registry class
  PID:1580

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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