8844dc1c01389b6afb98dd7161a948550971c104d111927a3e28d84d0516fd78

General

Target

cf549f81ef8bfeba297eb230402cabb9_JaffaCakes118.exe
Size

436KB
MD5

cf549f81ef8bfeba297eb230402cabb9
SHA1

95585ea663229cb5491835fa818f8eae037dd988
SHA256

8844dc1c01389b6afb98dd7161a948550971c104d111927a3e28d84d0516fd78
SHA512

b9fed3cfea3d4ff2d73fdc1f682730a9c8314ce6bb0619a98eb632969cecaad056beb2f07b5d0d774fb9339f23783340be2575445312bb544de2d1375ab88d56
SSDEEP

6144:LcL/UN9E7bNGoe22ZYKD9nCuRQRHGJvy2wjlmRpsC182m87sUi:LCA9EvMoe22qKDSGJyURpsi9li

Score

7^/10

discovery

Malware Config

Signatures

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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	cf549f81ef8bfeba297eb230402cabb9_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1968	rtkus.exe

Loads dropped DLL 1 IoCs

pid	Process
1968	rtkus.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
4468	4436	WerFault.exe	82
1552	1968	WerFault.exe	98

System Location Discovery: System Language Discovery 1 TTPs 5 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	cf549f81ef8bfeba297eb230402cabb9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rtkus.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4996	cmd.exe
4964	PING.EXE

Kills process with taskkill 1 IoCs

evasion

pid	Process
2392	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4964	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 4996	4436	cf549f81ef8bfeba297eb230402cabb9_JaffaCakes118.exe	90
PID 4436 wrote to memory of 4996	4436	cf549f81ef8bfeba297eb230402cabb9_JaffaCakes118.exe	90
PID 4436 wrote to memory of 4996	4436	cf549f81ef8bfeba297eb230402cabb9_JaffaCakes118.exe	90
PID 4996 wrote to memory of 2392	4996	cmd.exe	92
PID 4996 wrote to memory of 2392	4996	cmd.exe	92
PID 4996 wrote to memory of 2392	4996	cmd.exe	92
PID 4996 wrote to memory of 4964	4996	cmd.exe	94
PID 4996 wrote to memory of 4964	4996	cmd.exe	94
PID 4996 wrote to memory of 4964	4996	cmd.exe	94
PID 4996 wrote to memory of 1968	4996	cmd.exe	98
PID 4996 wrote to memory of 1968	4996	cmd.exe	98
PID 4996 wrote to memory of 1968	4996	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\cf549f81ef8bfeba297eb230402cabb9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cf549f81ef8bfeba297eb230402cabb9_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4436 -s 556
  2⤵
  - Program crash
  PID:4468
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 4436 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\cf549f81ef8bfeba297eb230402cabb9_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\rtkus.exe -f
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4996
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 4436
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2392
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4964
- - C:\Users\Admin\AppData\Local\rtkus.exe
    C:\Users\Admin\AppData\Local\rtkus.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1968
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 464
      4⤵
      Program crash
      PID:1552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4436 -ip 4436
1⤵
PID:2800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1968 -ip 1968
1⤵
PID:400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\rtkus.exe

Filesize
436KB

MD5
cf549f81ef8bfeba297eb230402cabb9

SHA1
95585ea663229cb5491835fa818f8eae037dd988

SHA256
8844dc1c01389b6afb98dd7161a948550971c104d111927a3e28d84d0516fd78

SHA512
b9fed3cfea3d4ff2d73fdc1f682730a9c8314ce6bb0619a98eb632969cecaad056beb2f07b5d0d774fb9339f23783340be2575445312bb544de2d1375ab88d56

Download Submit
memory/1968-9-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/1968-10-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/1968-12-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/4436-0-0x00000000005C0000-0x00000000005C3000-memory.dmp

Filesize
12KB

Download
memory/4436-1-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/4436-2-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/4436-5-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads