4537c8a1acdde8200b63f73e837bd03d67c6bfefa71f1318a6f6a9342b78686f

Analysis

max time kernel
132s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-09-2024 10:25

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General

Target

2024-09-15_0d036eb2f515450d5c5a99d3d2133c8b_cryptolocker.exe
Size

45KB
MD5

0d036eb2f515450d5c5a99d3d2133c8b
SHA1

a96dd43babe1bcc7c13b943becc8e66b0cb3e523
SHA256

4537c8a1acdde8200b63f73e837bd03d67c6bfefa71f1318a6f6a9342b78686f
SHA512

71086a16ff1b9857bbcbd1fb9f923bff200fe2b81316afb62ba464c6459385456dfc21cf1447a5f2dfc8ad5574b0fd131b0484bc552f21701c4325a7a838ae84
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAP+o:P6QFElP6k+MRQMOtEvwDpjBQpVXO

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1632	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2688	2024-09-15_0d036eb2f515450d5c5a99d3d2133c8b_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	2024-09-15_0d036eb2f515450d5c5a99d3d2133c8b_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 1632	2688	2024-09-15_0d036eb2f515450d5c5a99d3d2133c8b_cryptolocker.exe	30
PID 2688 wrote to memory of 1632	2688	2024-09-15_0d036eb2f515450d5c5a99d3d2133c8b_cryptolocker.exe	30
PID 2688 wrote to memory of 1632	2688	2024-09-15_0d036eb2f515450d5c5a99d3d2133c8b_cryptolocker.exe	30
PID 2688 wrote to memory of 1632	2688	2024-09-15_0d036eb2f515450d5c5a99d3d2133c8b_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-15_0d036eb2f515450d5c5a99d3d2133c8b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_0d036eb2f515450d5c5a99d3d2133c8b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1632

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\asih.exe

Filesize
46KB

MD5
c095b338381d977704f021aa840d1b6c

SHA1
3a26ab952232d3360c2b0c2d15c695ed1ecbe060

SHA256
bbf03cfb2c7ac7ad9248c2ba52bd8721b9f141ad9e2d088e0ecd55b08db18191

SHA512
d08ba67c1851d4da126411ff6c8dd006ef349a64c1be8e486715d7256b07369559ed61099684663a409d4aeb32aeed1fd06d8a6a2daec96299e863e8e92fa92a

Download Submit
memory/1632-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1632-24-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1632-17-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1632-25-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2688-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2688-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2688-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2688-8-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download