ff269a9e38ba380ee8b748a888efe137791f865d8d48b9f018c4cab3771f8717

General

Target

691fe56187db954430d1008fd42492a7_JaffaCakes118.exe
Size

340KB
MD5

691fe56187db954430d1008fd42492a7
SHA1

c5d6818f408afd4818a22217cfffb00358793ea5
SHA256

ff269a9e38ba380ee8b748a888efe137791f865d8d48b9f018c4cab3771f8717
SHA512

67a52bdf25b88c8c0bb2264a39390a76a32d656f11ff8905e3c221f9fa4e038c5c21e31c9fc6629c91b1e62afd08cfc29acfd64356a93a835e8d03c89a8c5558
SSDEEP

6144:nPUo8E7o6YkJkOa1LlzSt90n+biGCjyVTKit9nRSTa/AW:nPUExna1h4a+PdoitBRSG/AW

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2436	userinit.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\userinit.exe	691fe56187db954430d1008fd42492a7_JaffaCakes118.exe
File opened for modification	C:\Windows\userinit.exe	691fe56187db954430d1008fd42492a7_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	691fe56187db954430d1008fd42492a7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	userinit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ctfmon.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Internet Explorer\Main	userinit.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	userinit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	userinit.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1708	691fe56187db954430d1008fd42492a7_JaffaCakes118.exe
1708	691fe56187db954430d1008fd42492a7_JaffaCakes118.exe
2436	userinit.exe
2436	userinit.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 2436	1708	691fe56187db954430d1008fd42492a7_JaffaCakes118.exe	31
PID 1708 wrote to memory of 2436	1708	691fe56187db954430d1008fd42492a7_JaffaCakes118.exe	31
PID 1708 wrote to memory of 2436	1708	691fe56187db954430d1008fd42492a7_JaffaCakes118.exe	31
PID 1708 wrote to memory of 2436	1708	691fe56187db954430d1008fd42492a7_JaffaCakes118.exe	31
PID 2436 wrote to memory of 2880	2436	userinit.exe	32
PID 2436 wrote to memory of 2880	2436	userinit.exe	32
PID 2436 wrote to memory of 2880	2436	userinit.exe	32
PID 2436 wrote to memory of 2880	2436	userinit.exe	32

C:\Users\Admin\AppData\Local\Temp\691fe56187db954430d1008fd42492a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\691fe56187db954430d1008fd42492a7_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\userinit.exe
  "C:\Windows\userinit.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2436
- - C:\Windows\SysWOW64\ctfmon.exe
    ctfmon.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\userinit.exe

Filesize
340KB

MD5
691fe56187db954430d1008fd42492a7

SHA1
c5d6818f408afd4818a22217cfffb00358793ea5

SHA256
ff269a9e38ba380ee8b748a888efe137791f865d8d48b9f018c4cab3771f8717

SHA512
67a52bdf25b88c8c0bb2264a39390a76a32d656f11ff8905e3c221f9fa4e038c5c21e31c9fc6629c91b1e62afd08cfc29acfd64356a93a835e8d03c89a8c5558

Download Submit
memory/1708-1-0x0000000000220000-0x0000000000222000-memory.dmp

Filesize
8KB

Download
memory/1708-0-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/1708-2-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1708-10-0x0000000003460000-0x000000000355D000-memory.dmp

Filesize
1012KB

Download
memory/1708-15-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/2436-12-0x0000000000270000-0x0000000000272000-memory.dmp

Filesize
8KB

Download
memory/2436-11-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/2436-13-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2436-17-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/2436-23-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/2436-24-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download

Analysis

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