e81b289efc7f6175f39edfd7cef01058726eeffa7cd7e46535e87d7e5b13eb49

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2024, 10:59

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General

Target

39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe
Size

376KB
MD5

39a60fdaf782a269b84849ecc4e2d9a8
SHA1

88e1464f27a972130f3dda54ab1c3fee441d4499
SHA256

e81b289efc7f6175f39edfd7cef01058726eeffa7cd7e46535e87d7e5b13eb49
SHA512

4ea713e697b818f9c4dbd3a1cc781c718ccdfa936dbb52a40a3b9922d763fd798bc30077b858ba8bf3e6f66b8e73935c1df374bc92ac62c1226a4cdafe86feb3
SSDEEP

6144:RvbA3ECDDw4uA5J0/RjOGBPVyHYNC+BsiiJXjYd3cCIrIH+QRYcm0K:RTA1uA5IRqaVQghiJXjMBIrAGh0

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2880	ojzstsiuj.exe

Loads dropped DLL 1 IoCs

pid	Process
2880	ojzstsiuj.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
336	5016	WerFault.exe	82
4004	2880	WerFault.exe	95

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	39a60fdaf782a269b84849ecc4e2d9a8_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	ojzstsiuj.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
1548	cmd.exe
4728	PING.EXE

Kills process with taskkill 1 IoCs

evasion

pid	Process
1904	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4728	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1904	taskkill.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe
2880	ojzstsiuj.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 1548	5016	39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe	89
PID 5016 wrote to memory of 1548	5016	39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe	89
PID 5016 wrote to memory of 1548	5016	39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe	89
PID 1548 wrote to memory of 1904	1548	cmd.exe	91
PID 1548 wrote to memory of 1904	1548	cmd.exe	91
PID 1548 wrote to memory of 1904	1548	cmd.exe	91
PID 1548 wrote to memory of 4728	1548	cmd.exe	94
PID 1548 wrote to memory of 4728	1548	cmd.exe	94
PID 1548 wrote to memory of 4728	1548	cmd.exe	94
PID 1548 wrote to memory of 2880	1548	cmd.exe	95
PID 1548 wrote to memory of 2880	1548	cmd.exe	95
PID 1548 wrote to memory of 2880	1548	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5016
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5016 -s 556
  2⤵
  - Program crash
  PID:336
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 5016 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\OJZSTS~1.EXE -f
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1548
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 5016
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1904
- - 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:4728
- - C:\Users\Admin\AppData\Local\ojzstsiuj.exe
    C:\Users\Admin\AppData\Local\OJZSTS~1.EXE -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2880
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 568
      4⤵
      Program crash
      PID:4004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5016 -ip 5016
1⤵
PID:4288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2880 -ip 2880
1⤵
PID:1372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
376KB

MD5
39a60fdaf782a269b84849ecc4e2d9a8

SHA1
88e1464f27a972130f3dda54ab1c3fee441d4499

SHA256
e81b289efc7f6175f39edfd7cef01058726eeffa7cd7e46535e87d7e5b13eb49

SHA512
4ea713e697b818f9c4dbd3a1cc781c718ccdfa936dbb52a40a3b9922d763fd798bc30077b858ba8bf3e6f66b8e73935c1df374bc92ac62c1226a4cdafe86feb3

Download Submit
memory/2880-15-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2880-18-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2880-32-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2880-30-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2880-9-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2880-10-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2880-12-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2880-28-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2880-26-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2880-20-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2880-16-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2880-22-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2880-24-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/5016-2-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/5016-0-0x00000000005A0000-0x00000000005A3000-memory.dmp

Filesize
12KB

Download
memory/5016-1-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/5016-5-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download