cdcb4acee9f2fdc2468c56f7786bfa642a3fe122ba0ce812d94a7defa353bf1d

General

Target

fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe
Size

148KB
MD5

fff6b172d80154c93ecb61a00f17c26b
SHA1

37cbaf9dfb6b5e1da9aa86f7687b3c51d31f2442
SHA256

cdcb4acee9f2fdc2468c56f7786bfa642a3fe122ba0ce812d94a7defa353bf1d
SHA512

97d97c8d4be103c74bd5837cd7e6cd130ee1d1af0ae2d31f51b95c4a8200cecc328e1c2335e750db516b11af9f425e00f356cef767eef92ee7283716c114a4b0
SSDEEP

3072:SLjeGZhA5qdE3rVtbYDA4R5M1EX/+MSkBXKl6IF8rIEtrwMMKj+ktcepV1J:S/FZhZE3rTM0qGMpwl6x1j+ktcE

Score

8^/10

discovery persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: AppCert DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppCert DLLs loaded into processes.
persistence privilege_escalation

AppCert DLLs
T1546.009

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe

Loads dropped DLL 4 IoCs

pid	Process
1300	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe
4044	rundll32.exe
4720	Process not Found
3052	cmd.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ctfmdate.dll	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe
File opened for modification	C:\Windows\system32\ctfmdate64.dll	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3224	3052	WerFault.exe	92
1860	3052	WerFault.exe	92

System Location Discovery: System Language Discovery 1 TTPs 2 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	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1300	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe
1300	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1300 wrote to memory of 4044	1300	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe	88
PID 1300 wrote to memory of 4044	1300	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe	88
PID 1300 wrote to memory of 3052	1300	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe	92
PID 1300 wrote to memory of 3052	1300	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe	92
PID 1300 wrote to memory of 3052	1300	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe	92

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1324	attrib.exe

C:\Users\Admin\AppData\Local\Temp\fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" "C:\Windows\system32\ctfmdate64.dll",CreateProcessNotify
  2⤵
  - Loads dropped DLL
  PID:4044
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240629437.bat" "C:\Users\Admin\AppData\Local\Temp\fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe""
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3052
- - C:\Windows\SysWOW64\attrib.exe
    attrib -r -s -h"C:\Users\Admin\AppData\Local\Temp\fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe"
    3⤵
    - Views/modifies file attributes
    PID:1324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 480
    3⤵
    - Program crash
    PID:3224
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 500
    3⤵
    - Program crash
    PID:1860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3052 -ip 3052
1⤵
PID:3976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3052 -ip 3052
1⤵
PID:4976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

AppCert DLLs

1

T1546.009

Privilege Escalation

Event Triggered Execution

1

T1546

AppCert DLLs

1

T1546.009

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

1

T1564.001

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\240629437.bat

Filesize
75B

MD5
7b183502f4e03357822b8b3a64743d3f

SHA1
8934b70381e06ddae8be9ad2af9a3bdcd25144b8

SHA256
4b2f0acb49e39e6abe07287cafd14df0814a82389291908e299cf0dc6b53fd4e

SHA512
e4cdd969e11f05c15fe29e476abf08b32ae91650a2f8faf844e78f65d43b0b977fdf163aba0b7eee9c23c843157a4b0111e8124942d3ac14739591be30ec8408

Download Submit
C:\Windows\SysWOW64\ctfmdate.dll

Filesize
43KB

MD5
ffccde52bfbad88e43c56e425a913996

SHA1
9dade48adf8ea9cc6e13d8bdc473f131ae0e7ec1

SHA256
48026197f45c2ee8abd943a6bff799087536c983a9b5afb561461ab2889ff8d4

SHA512
5da81bd9f4a1bcb213cc452aece9f98736ab034095aa715d664a58404503136a6f5bacf819c824a4e6bdc3dbb6f7d43f998e43f3ad1f9adc67e3fcc3ebfb3f97

Download Submit
C:\Windows\System32\ctfmdate64.dll

Filesize
51KB

MD5
7f52a76d671b0557f5b03117457d9c9d

SHA1
d9eaacf86d66e5955b8368f800dc7e1b3e9a50f6

SHA256
5b2b6ed2988538d3372697164455f6275bed1e8e04ba2da2d91fabf255d869e1

SHA512
8229211e8d96107feef91f23a98f0e365da1ce73eb7e6afa876ec958eaf786beb1a8f386720e23407cd7b29d956e9cf48fa232dc08652be1b5b4b35377207f20

Download Submit
memory/1300-0-0x00000000008A0000-0x00000000008A1000-memory.dmp

Filesize
4KB

Download
memory/1300-1-0x0000000001000000-0x0000000001027000-memory.dmp

Filesize
156KB

Download
memory/1300-6-0x00000000042A0000-0x00000000042A1000-memory.dmp

Filesize
4KB

Download
memory/1300-7-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/1300-14-0x0000000001000000-0x0000000001027000-memory.dmp

Filesize
156KB

Download
memory/3052-20-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/4044-11-0x00000223FA440000-0x00000223FA441000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing