a7ce4e23584fa61d59937d1393450eb9c7c4a58ca29262c964cc84a03b123a4c

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2024, 04:56

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General

Target

2024-10-12_af2c6ca156c979d7b72d2b9040ff5056_cryptolocker.exe
Size

50KB
MD5

af2c6ca156c979d7b72d2b9040ff5056
SHA1

6a13e5a6b0d2df833967965e1792bd4dc1c82173
SHA256

a7ce4e23584fa61d59937d1393450eb9c7c4a58ca29262c964cc84a03b123a4c
SHA512

d91a10e2491e3483707737a8df2a86a78784a01b545423294638f9b323dbe4dc09154b7c142d58dc78939bb00aaae3d1ebeebb54b47421b8ff353c11f65b3eb6
SSDEEP

768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/DpkcBJP3B:P6Q0ElP6G+gJQMOtEvwDpjB8WMlfR

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2024-10-12_af2c6ca156c979d7b72d2b9040ff5056_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3948	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	2024-10-12_af2c6ca156c979d7b72d2b9040ff5056_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 3364 wrote to memory of 3948	3364	2024-10-12_af2c6ca156c979d7b72d2b9040ff5056_cryptolocker.exe	83
PID 3364 wrote to memory of 3948	3364	2024-10-12_af2c6ca156c979d7b72d2b9040ff5056_cryptolocker.exe	83
PID 3364 wrote to memory of 3948	3364	2024-10-12_af2c6ca156c979d7b72d2b9040ff5056_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-10-12_af2c6ca156c979d7b72d2b9040ff5056_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_af2c6ca156c979d7b72d2b9040ff5056_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3364
- 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:3948

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
50KB

MD5
77cfb32ea12441fb8737d388cf6822f0

SHA1
600e8d253a51795a523b43b0b8e9902fc1a18366

SHA256
60737aedaba1f3171268f4aef5fd79385015edbfa099657c827458afd689489e

SHA512
8a29bd73045e5b2d15d3bbcce34d8df39c24ac1965a8b86820e2cac2a263de46066c1c191d52e5abfbf3b1364b7b9efed1438bd701c88e0f7985b7cd3f85a8c1

Download Submit
memory/3364-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3364-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3364-2-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3364-3-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/3364-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3948-20-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/3948-19-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/3948-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download