1d5025d17d456f0e52070be485c71080904a8e8acba5274b92499105d43e5c67

Analysis

max time kernel
132s
max time network
139s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24/08/2024, 21:39

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General

Target

bf77a657fd9fe20fc6fc3086b7e2db34_JaffaCakes118.exe
Size

52KB
MD5

bf77a657fd9fe20fc6fc3086b7e2db34
SHA1

fd9faa24cc952246ea7b6052471f79f12a278473
SHA256

1d5025d17d456f0e52070be485c71080904a8e8acba5274b92499105d43e5c67
SHA512

e6c845ed5fe75e87a839df7200ca30aaa13968ca26978566c5333efd4360ecb768d66c14921fbc495bde5893a099a67da385f0a8c18ba4e495aa5badba6d58ed
SSDEEP

1536:Hb+VQg3V+lRSPH8CIBz1AzdM6B9aLBsyvgteUWw3p:aVTwAYK+6EuyXUWwZ

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
828	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
400	ylyrmlgr.exe

Loads dropped DLL 2 IoCs

pid	Process
3032	bf77a657fd9fe20fc6fc3086b7e2db34_JaffaCakes118.exe
3032	bf77a657fd9fe20fc6fc3086b7e2db34_JaffaCakes118.exe

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	ylyrmlgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bf77a657fd9fe20fc6fc3086b7e2db34_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3032	bf77a657fd9fe20fc6fc3086b7e2db34_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 400	3032	bf77a657fd9fe20fc6fc3086b7e2db34_JaffaCakes118.exe	32
PID 3032 wrote to memory of 400	3032	bf77a657fd9fe20fc6fc3086b7e2db34_JaffaCakes118.exe	32
PID 3032 wrote to memory of 400	3032	bf77a657fd9fe20fc6fc3086b7e2db34_JaffaCakes118.exe	32
PID 3032 wrote to memory of 400	3032	bf77a657fd9fe20fc6fc3086b7e2db34_JaffaCakes118.exe	32
PID 3032 wrote to memory of 828	3032	bf77a657fd9fe20fc6fc3086b7e2db34_JaffaCakes118.exe	33
PID 3032 wrote to memory of 828	3032	bf77a657fd9fe20fc6fc3086b7e2db34_JaffaCakes118.exe	33
PID 3032 wrote to memory of 828	3032	bf77a657fd9fe20fc6fc3086b7e2db34_JaffaCakes118.exe	33
PID 3032 wrote to memory of 828	3032	bf77a657fd9fe20fc6fc3086b7e2db34_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\bf77a657fd9fe20fc6fc3086b7e2db34_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bf77a657fd9fe20fc6fc3086b7e2db34_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3032
- C:\ProgramData\ovwrqzah\ylyrmlgr.exe
  C:\ProgramData\ovwrqzah\ylyrmlgr.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:400
- C:\Windows\SysWOW64\cmd.exe
  /c del /f C:\Users\Admin\AppData\Local\Temp\BF77A6~1.EXE.bak >> NUL
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\ProgramData\ovwrqzah\ylyrmlgr.exe

Filesize
52KB

MD5
bf77a657fd9fe20fc6fc3086b7e2db34

SHA1
fd9faa24cc952246ea7b6052471f79f12a278473

SHA256
1d5025d17d456f0e52070be485c71080904a8e8acba5274b92499105d43e5c67

SHA512
e6c845ed5fe75e87a839df7200ca30aaa13968ca26978566c5333efd4360ecb768d66c14921fbc495bde5893a099a67da385f0a8c18ba4e495aa5badba6d58ed

Download Submit
memory/3032-8-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

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