b32f8a6bb58bcef9c5d1503416eb3dcdcd5c145535cdd694360007343d9bdd0e

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-08-2024 10:10

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General

Target

b30d6b044885d9679eb1c8e1b9a9ddb7_JaffaCakes118.exe
Size

343KB
MD5

b30d6b044885d9679eb1c8e1b9a9ddb7
SHA1

36bcdeea9f0a1aaeb313cc136a16fdc19fbbb6c9
SHA256

b32f8a6bb58bcef9c5d1503416eb3dcdcd5c145535cdd694360007343d9bdd0e
SHA512

78f88f21483d07644e3b41c6b3436d438d88489594674fba492947105e0e25a7b8a06357a515cfb85f974fb5cf752688a0f07aedb0e6cee365e79798c276a837
SSDEEP

6144:au2urzh9xu/XkaumM2OUQEI4nI0RgiZgSQ6neV0e76qnRqHZDEK9:autrzh9xOXk12QJ4nI0+Ya4YMxz9

Score

7^/10

discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	b30d6b044885d9679eb1c8e1b9a9ddb7_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	serwer.bat

Executes dropped EXE 2 IoCs

pid	Process
960	serwer.bat
1520	lsass.exe

Adds Run key to start application 2 TTPs 1 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\LSS Desktop = "C:\\Windows\\lsass.exe"	serwer.bat

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\lsass.exe	serwer.bat
File created	C:\Windows\lsass.exe	serwer.bat

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 2 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	b30d6b044885d9679eb1c8e1b9a9ddb7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	serwer.bat

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000_Classes\Local Settings	b30d6b044885d9679eb1c8e1b9a9ddb7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 864 wrote to memory of 960	864	b30d6b044885d9679eb1c8e1b9a9ddb7_JaffaCakes118.exe	87
PID 864 wrote to memory of 960	864	b30d6b044885d9679eb1c8e1b9a9ddb7_JaffaCakes118.exe	87
PID 864 wrote to memory of 960	864	b30d6b044885d9679eb1c8e1b9a9ddb7_JaffaCakes118.exe	87
PID 960 wrote to memory of 1520	960	serwer.bat	88
PID 960 wrote to memory of 1520	960	serwer.bat	88
PID 960 wrote to memory of 1520	960	serwer.bat	88

C:\Users\Admin\AppData\Local\Temp\b30d6b044885d9679eb1c8e1b9a9ddb7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b30d6b044885d9679eb1c8e1b9a9ddb7_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:864
- C:\Users\Admin\AppData\Local\Temp\serwer.bat
  "C:\Users\Admin\AppData\Local\Temp\serwer.bat"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:960
- - C:\Windows\lsass.exe
    "C:\Windows\lsass.exe"
    3⤵
    - Executes dropped EXE
    PID:1520

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1156

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

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:\Users\Admin\AppData\Local\Temp\scripts\[ber] perfect nighmatre targeting.elft

Filesize
1KB

MD5
fc1168fd84e3e52a550b7dc1efcf51d1

SHA1
405700a033a687cb44432d4a480a2e0d429576cb

SHA256
420da7dd5f25b7f017b654c3c50c75035726e53fffc884110c8495a904436b28

SHA512
cf5eca84966c0613c9be3e56e385ff87a1b82773e1f2ec870c26f3a2d8101282ea9fac1a7a9c1083646d69dc7786819a6ea37fec38bad84df780264aac31c0cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\serwer.bat

Filesize
11KB

MD5
ca712050403a633e1525af1a39737398

SHA1
53949201a15a5bc71e9791e437dace4d56d93506

SHA256
c26ee91b92385f7fc5a6ec6fbf0f6efed221a193ff9192de1bc5d9ac8b190105

SHA512
4c3748b66a3cfd970d366bc0d9b502358aa6d12bcef2c6e7ff0ba7a284d898c3eb117a0768a902e9e2abf1afd3e744fe627fa52d0284cb56d5018af14f80f8f6

Download Submit
memory/960-508-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1520-509-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads