cf9821fd84d57ee51c4b5faabc170d34b121f37dcd2b0b41737e4209b364c79d

Analysis

max time kernel
140s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 20:01

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General

Target

68b824adf3d751b86a60303946afbd07_JaffaCakes118.exe
Size

215KB
MD5

68b824adf3d751b86a60303946afbd07
SHA1

1c434c641cb46939c084e2f6cb29fdb6869c5c74
SHA256

cf9821fd84d57ee51c4b5faabc170d34b121f37dcd2b0b41737e4209b364c79d
SHA512

3c2323d5f1a08ede3763ebac7030e00c599b98d9ebc32aafa086708f5f2fee54bbcedd9dbd94229bdbab0a8e8a08a3cec51e11aabb531731fb121196c1cc3e15
SSDEEP

3072:ABmTdhovoxMp/wdri3D7qT04DaGYK+yKEnJpgJnNk7HtG/3m/R7S1cUXsEo1IvB3:arAxA3gd5JpeDvfx/qfz

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\smrsc = "C:\\WINDOWS\\system\\smrsc.exe"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\smrsc = "C:\\WINDOWS\\system\\smrsc.exe"	reg.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\smrsc.exe	68b824adf3d751b86a60303946afbd07_JaffaCakes118.exe
File opened for modification	C:\Windows\system\smrsc.exe	68b824adf3d751b86a60303946afbd07_JaffaCakes118.exe

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	68b824adf3d751b86a60303946afbd07_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 3000	4936	68b824adf3d751b86a60303946afbd07_JaffaCakes118.exe	86
PID 4936 wrote to memory of 3000	4936	68b824adf3d751b86a60303946afbd07_JaffaCakes118.exe	86
PID 4936 wrote to memory of 3000	4936	68b824adf3d751b86a60303946afbd07_JaffaCakes118.exe	86
PID 4936 wrote to memory of 4948	4936	68b824adf3d751b86a60303946afbd07_JaffaCakes118.exe	87
PID 4936 wrote to memory of 4948	4936	68b824adf3d751b86a60303946afbd07_JaffaCakes118.exe	87
PID 4936 wrote to memory of 4948	4936	68b824adf3d751b86a60303946afbd07_JaffaCakes118.exe	87
PID 3000 wrote to memory of 1100	3000	cmd.exe	90
PID 3000 wrote to memory of 1100	3000	cmd.exe	90
PID 3000 wrote to memory of 1100	3000	cmd.exe	90
PID 4948 wrote to memory of 1288	4948	cmd.exe	91
PID 4948 wrote to memory of 1288	4948	cmd.exe	91
PID 4948 wrote to memory of 1288	4948	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\68b824adf3d751b86a60303946afbd07_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\68b824adf3d751b86a60303946afbd07_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Windows\SysWOW64\cmd.exe
  cmd /c reg ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v smrsc /t REG_SZ /d C:\WINDOWS\system\smrsc.exe /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3000
- - C:\Windows\SysWOW64\reg.exe
    reg ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v smrsc /t REG_SZ /d C:\WINDOWS\system\smrsc.exe /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:1100
- C:\Windows\SysWOW64\cmd.exe
  cmd /c reg ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServices /v smrsc /t REG_SZ /d C:\WINDOWS\system\smrsc.exe /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4948
- - C:\Windows\SysWOW64\reg.exe
    reg ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServices /v smrsc /t REG_SZ /d C:\WINDOWS\system\smrsc.exe /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:1288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4936-1-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads