b40d984a85748f4f32a11146fa1e4a94ff88be3b6995b3138a13a651272817c1

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 05:27

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General

Target

2024-10-18_58f25af776df27a0fe3a0d761301db69_cryptolocker.exe
Size

23KB
MD5

58f25af776df27a0fe3a0d761301db69
SHA1

7d777ed080de43f645d303376051c26ad75ae373
SHA256

b40d984a85748f4f32a11146fa1e4a94ff88be3b6995b3138a13a651272817c1
SHA512

0b1c908c824a8bfe6ea48bee788d7eb38f51e19da5f9b4101f204bcfd63417967c7ddfcdd01a4d296ac12fe6fd6e1ef5802cd89864a3d539a078ca1660425f53
SSDEEP

384:CBOkkLPcM4JIM39ZR8Z87XHjeKtEEue+63BYp2tOOtEvwDpjqIGRFQ:CB19M4JIhZMHSKtweHBrtOOtEvwDpjKQ

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2024-10-18_58f25af776df27a0fe3a0d761301db69_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1964	asih.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	2024-10-18_58f25af776df27a0fe3a0d761301db69_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 1964	1212	2024-10-18_58f25af776df27a0fe3a0d761301db69_cryptolocker.exe	87
PID 1212 wrote to memory of 1964	1212	2024-10-18_58f25af776df27a0fe3a0d761301db69_cryptolocker.exe	87
PID 1212 wrote to memory of 1964	1212	2024-10-18_58f25af776df27a0fe3a0d761301db69_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-10-18_58f25af776df27a0fe3a0d761301db69_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_58f25af776df27a0fe3a0d761301db69_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1212
- 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:1964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

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

Filesize
23KB

MD5
b7f20f89d263712c9096a43c3ef348ac

SHA1
a2e5ff650b3d613c78b1970425c0d5a09c223353

SHA256
385d00fe648f8fbe28572678b5d08c8ba69651718bd2d553525ef52fb0c44fc4

SHA512
69f308439f30d570e1357863f2f8b126d2a6fb67695fa0675b4f735feebb7a717c3275839c7bc8538f0b8cead1f889b8ff7031b127f83f286d03cde4d3033156

Download Submit
memory/1212-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1212-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/1212-18-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1964-20-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1964-21-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1964-27-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download