12cf5ce7f8853947dad6853c942edc4a03e201b9995871828b97824861b6054b

Analysis

max time kernel
140s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15/10/2024, 06:00

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General

Target

462d0b018b21abd17a431079705cfc4d_JaffaCakes118.exe
Size

60KB
MD5

462d0b018b21abd17a431079705cfc4d
SHA1

0d6b7671c8c57daf48e3c642c815f0430d5d698e
SHA256

12cf5ce7f8853947dad6853c942edc4a03e201b9995871828b97824861b6054b
SHA512

bbd6ca9c18759a39855286a882f84201adf37c287def138d9cbace52d37e19e23808ced552cf6249dcacb322bd582a6191ae4fd46dcbb790a278c5c5e215281a
SSDEEP

1536:b7sIiX7vfOMXgzuSM8TWbp7pnDCP8MmiLpP9HKDAI0gb:b7s6RP9HKnb

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,462d0b018b21abd17a431079705cfc4d_JaffaCakes118.exe"	reg.exe

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	462d0b018b21abd17a431079705cfc4d_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Isass.dll	462d0b018b21abd17a431079705cfc4d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\winfile29.dll	462d0b018b21abd17a431079705cfc4d_JaffaCakes118.exe

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

System Information Discovery
T1082

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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	462d0b018b21abd17a431079705cfc4d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4796	462d0b018b21abd17a431079705cfc4d_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4796	462d0b018b21abd17a431079705cfc4d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 1920	4796	462d0b018b21abd17a431079705cfc4d_JaffaCakes118.exe	93
PID 4796 wrote to memory of 1920	4796	462d0b018b21abd17a431079705cfc4d_JaffaCakes118.exe	93
PID 4796 wrote to memory of 1920	4796	462d0b018b21abd17a431079705cfc4d_JaffaCakes118.exe	93
PID 1920 wrote to memory of 1196	1920	cmd.exe	95
PID 1920 wrote to memory of 1196	1920	cmd.exe	95
PID 1920 wrote to memory of 1196	1920	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\462d0b018b21abd17a431079705cfc4d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\462d0b018b21abd17a431079705cfc4d_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\temp.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1920
- - C:\Windows\SysWOW64\reg.exe
    reg Add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Shell /d explorer.exe,462d0b018b21abd17a431079705cfc4d_JaffaCakes118.exe /f
    3⤵
    - Modifies WinLogon for persistence
    - System Location Discovery: System Language Discovery
    PID:1196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\temp.bat

Filesize
160B

MD5
e2114a3a7a52faa397f0bbc84bf1b81e

SHA1
9964ef20f2f124eb991d507f2deee51c98fbbc2a

SHA256
ac917290544a52c7d8dd6b7706f19d31097a13e0f6839429657390efa574cf6c

SHA512
e31f5046a89caa3b35a346d1fee54e44a269fdd87b70f58d822927d804faef20ed7b5baa007d1b94ab3b6bf27e0e7338b28b2af59d8d6778365979708e8bfae2

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads