b7c98108dd5757afac7989f526d35ab27f95c1f4954a7148b3c403f75438a816

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 03:28

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General

Target

2024-10-04_3b929f0eb86b80007b21e0e34cbbe41c_cryptolocker.exe
Size

47KB
MD5

3b929f0eb86b80007b21e0e34cbbe41c
SHA1

5e9e9fe5662cf8480380850cc441f30390e3ac19
SHA256

b7c98108dd5757afac7989f526d35ab27f95c1f4954a7148b3c403f75438a816
SHA512

8313ed50be458b53dcd6aa0c8b8f89c7c90e86d520a4c7a663197098720356b4b207b5dbf3d300626e9dbad32683401fe2b8bff3c4ac8bc81c41d97531dccffa
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X3dXP:V6QFElP6n+gMQMOtEvwDpjyaHaXrP

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3020	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2248	2024-10-04_3b929f0eb86b80007b21e0e34cbbe41c_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	2024-10-04_3b929f0eb86b80007b21e0e34cbbe41c_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 2248 wrote to memory of 3020	2248	2024-10-04_3b929f0eb86b80007b21e0e34cbbe41c_cryptolocker.exe	30
PID 2248 wrote to memory of 3020	2248	2024-10-04_3b929f0eb86b80007b21e0e34cbbe41c_cryptolocker.exe	30
PID 2248 wrote to memory of 3020	2248	2024-10-04_3b929f0eb86b80007b21e0e34cbbe41c_cryptolocker.exe	30
PID 2248 wrote to memory of 3020	2248	2024-10-04_3b929f0eb86b80007b21e0e34cbbe41c_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-04_3b929f0eb86b80007b21e0e34cbbe41c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-04_3b929f0eb86b80007b21e0e34cbbe41c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2248
- 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:3020

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

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Downloads

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

Filesize
48KB

MD5
3445050670198c98656cb4f93a3e7934

SHA1
73badbc4b39c6273914c7c8bb5e24a390469d395

SHA256
b85159cf4991f856b79b24da6ecf5a4e9055977689b57b920f9e7dab4120768f

SHA512
8157fe36ad15803bca0903108dd337b37e2ac888b492fbb7c584e115a6cc7c9eae9f88cf0bd0affa10b10738274988b823d5f3cef0d809446106d298eaa5acf2

Download Submit
memory/2248-0-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2248-8-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2248-1-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/3020-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3020-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download