856b0bb5484d8c4f6a16db67016703d86244da34c4e9f6586a6aeff5f37b1e6d

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/09/2024, 04:38

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General

Target

2024-09-13_f9912ca8707f0ff8088229301f643f9d_cryptolocker.exe
Size

45KB
MD5

f9912ca8707f0ff8088229301f643f9d
SHA1

37f69f43218ff7ccac83a81c7c1ad048072213f0
SHA256

856b0bb5484d8c4f6a16db67016703d86244da34c4e9f6586a6aeff5f37b1e6d
SHA512

feefe0cf8bb118c41ec9424088c54dfcc5f570de2bbf0a5a55f7b96a3ae2e945a57b663e80b3115430e22d006cf429a7902f01480f8542a5adcc4e72a8748ebd
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUknqcN:bm74zYcgT/EkM0ryfjdnqcN

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2052	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1480	2024-09-13_f9912ca8707f0ff8088229301f643f9d_cryptolocker.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 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	2024-09-13_f9912ca8707f0ff8088229301f643f9d_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 2052	1480	2024-09-13_f9912ca8707f0ff8088229301f643f9d_cryptolocker.exe	29
PID 1480 wrote to memory of 2052	1480	2024-09-13_f9912ca8707f0ff8088229301f643f9d_cryptolocker.exe	29
PID 1480 wrote to memory of 2052	1480	2024-09-13_f9912ca8707f0ff8088229301f643f9d_cryptolocker.exe	29
PID 1480 wrote to memory of 2052	1480	2024-09-13_f9912ca8707f0ff8088229301f643f9d_cryptolocker.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-09-13_f9912ca8707f0ff8088229301f643f9d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-13_f9912ca8707f0ff8088229301f643f9d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1480
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
46KB

MD5
fb0a97475b6a34b8722f1cf708c333d8

SHA1
6d93180277577af749d98174d1e40ee39c0cb3a3

SHA256
63fb81f633c4089eb70ca0dbce8026462949ef9e4a91b631b1821ab87c69ecb8

SHA512
b8922d4c0f9d239663f1542276c40440ce9ed02ee8ce91cc6b5e39f9d1a32b9db32c87c9e81b1113175683c21a619f5f9de771d8661c02cc1864f21a3d096128

Download Submit
memory/1480-0-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/1480-9-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download
memory/1480-2-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1480-1-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download
memory/1480-14-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/2052-24-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2052-17-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2052-25-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download