5a2a7a8e66b4be7b752663af8681a499d469d2ee5c3bdd02ce5af9cb1ed9ad85

Analysis

max time kernel
132s
max time network
140s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/10/2024, 05:28

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General

Target

2024-10-12_38296854c309356b6b5d24e4ff8c9aea_cryptolocker.exe
Size

49KB
MD5

38296854c309356b6b5d24e4ff8c9aea
SHA1

2638dedf9e7b95f51c49dd7ac0b715b0ff3f05eb
SHA256

5a2a7a8e66b4be7b752663af8681a499d469d2ee5c3bdd02ce5af9cb1ed9ad85
SHA512

b754e8c0a9a9d06fbacd06666597110bc154c42626535ec31ded91a0f7b0d161b4ce90879dc8c4d3a674d6ced5a5c85a1d0c37bfc9d14c3cb08dad496c3e1e5f
SSDEEP

768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/DpkcW:P6Q0ElP6G+gJQMOtEvwDpjB8WMlfW

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1944	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2168	2024-10-12_38296854c309356b6b5d24e4ff8c9aea_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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_38296854c309356b6b5d24e4ff8c9aea_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 1944	2168	2024-10-12_38296854c309356b6b5d24e4ff8c9aea_cryptolocker.exe	30
PID 2168 wrote to memory of 1944	2168	2024-10-12_38296854c309356b6b5d24e4ff8c9aea_cryptolocker.exe	30
PID 2168 wrote to memory of 1944	2168	2024-10-12_38296854c309356b6b5d24e4ff8c9aea_cryptolocker.exe	30
PID 2168 wrote to memory of 1944	2168	2024-10-12_38296854c309356b6b5d24e4ff8c9aea_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-12_38296854c309356b6b5d24e4ff8c9aea_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_38296854c309356b6b5d24e4ff8c9aea_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168
- 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:1944

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
50KB

MD5
c29ac96607688b296609fde6b079369a

SHA1
dd3d4c2b84dd40c09e75aa687a5c5289c0b99faa

SHA256
cee84f795b6d54079823ad87f9b96366e13189c0b0c02490290c1d60705c10fd

SHA512
34701d1eb3c321e245831fea90ff6dc4092e0c415026a6b38af5883904a27cc387b0e9ca956d4fd3a52775d2fc7210c3bc3ca4088992de31d981cd42f17e86d7

Download Submit
memory/1944-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1944-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1944-17-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1944-25-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2168-9-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2168-8-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2168-1-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2168-0-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download