5b4a2252af6749ffdc861f616b52bc66be743e180ee585a9fdba1e49126c9ce0

Analysis

max time kernel
156s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2024 06:37

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General

Target

2024-01-08_19f7dbae58dc7a0321707dd7ecaf276e_cryptolocker.exe
Size

46KB
MD5

19f7dbae58dc7a0321707dd7ecaf276e
SHA1

4e6628c6940181009d3e9b7844533bc3cdcd7560
SHA256

5b4a2252af6749ffdc861f616b52bc66be743e180ee585a9fdba1e49126c9ce0
SHA512

c6ba7da8d711a385a931b58fc394908e0db70b4a24f62dd0cd15446a2a26fd611fb8c66211a52ab2b40ad65f0d3c8ba7b31d189b8105a71740fc896354ee8951
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3wwss:X6QFElP6n+gJQMOtEvwDpjBE

Score

7^/10

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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	2024-01-08_19f7dbae58dc7a0321707dd7ecaf276e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1328	asih.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 1328	2924	2024-01-08_19f7dbae58dc7a0321707dd7ecaf276e_cryptolocker.exe	96
PID 2924 wrote to memory of 1328	2924	2024-01-08_19f7dbae58dc7a0321707dd7ecaf276e_cryptolocker.exe	96
PID 2924 wrote to memory of 1328	2924	2024-01-08_19f7dbae58dc7a0321707dd7ecaf276e_cryptolocker.exe	96

C:\Users\Admin\AppData\Local\Temp\2024-01-08_19f7dbae58dc7a0321707dd7ecaf276e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_19f7dbae58dc7a0321707dd7ecaf276e_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1328

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
46KB

MD5
37701bfb90166150f0ebc1c94e46a9b3

SHA1
b2c442878bff4872ec99eaf256cb981f9313f971

SHA256
12993cb533568b6ee868d374f76468e7f4510114870ed74114907b0633db8e61

SHA512
e101c76eab37d65252c92bae660d005f92241feb0f75981663118e83dc4579cc2f42eb1e0102b43c4ff5ce0fb73baa38f0522d984b1cdb739119421dd662d744

Download Submit
memory/1328-17-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1328-23-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/2924-0-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/2924-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/2924-2-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download