73b79595b268e8bafe6994eb88d9186d2a30b296c8843c9731a2d74310589fb0

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
14/07/2024, 04:12

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General

Target

4442cd457989e56b075c2d7a73900beb_JaffaCakes118.dll
Size

122KB
MD5

4442cd457989e56b075c2d7a73900beb
SHA1

ac1eb7ba4b2dfc5a6dfe091474ee6b2fe58e3f49
SHA256

73b79595b268e8bafe6994eb88d9186d2a30b296c8843c9731a2d74310589fb0
SHA512

6f552d8749bf1c019ed04d059577a8962d8b13722a13c8c55e4722860e75cb5a6caf33a5f64c982d31f4de2e078e441190be731c077955fe17877ac2f237be34
SSDEEP

3072:7nbJpEypKc+JjCc3Jcy006iSmmG/6icKdYlO1:LbJpd6GcOrmmi9cKd2O1

Score

8^/10

persistence

Malware Config

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
2	4604	rundll32.exe
3	4604	rundll32.exe
8	4604	rundll32.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Y93o7oC.sys\imagepath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\Y93o7oC.sys"	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3376	4604	WerFault.exe	83

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4604	rundll32.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4604	rundll32.exe
Token: SeTakeOwnershipPrivilege	4604	rundll32.exe
Token: SeImpersonatePrivilege	4604	rundll32.exe
Token: SeAssignPrimaryTokenPrivilege	4604	rundll32.exe
Token: SeLoadDriverPrivilege	4604	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 4604	3040	rundll32.exe	83
PID 3040 wrote to memory of 4604	3040	rundll32.exe	83
PID 3040 wrote to memory of 4604	3040	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4442cd457989e56b075c2d7a73900beb_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4442cd457989e56b075c2d7a73900beb_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Sets service image path in registry
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:4604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 1952
    3⤵
    - Program crash
    PID:3376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4604 -ip 4604
1⤵
PID:2356

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

memory/4604-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4604-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4604-5-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads