8451017de7db1487cb79c102aac5a8738c24cfacf360733a0f46bf43c526c70f

Analysis

max time kernel
144s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 12:07

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General

Target

2024-01-06_2eedf2e7aad5ae557013d32a7f478d17_cryptolocker.exe
Size

43KB
MD5

2eedf2e7aad5ae557013d32a7f478d17
SHA1

908729af609f8f6ae79cff8bd0250a7975bb213e
SHA256

8451017de7db1487cb79c102aac5a8738c24cfacf360733a0f46bf43c526c70f
SHA512

55fb9a7245c1a52a5e8cf5a52b62b135e0bac9a99b5f380b07bc92a978b451e410e04b189eb0c69c9b934f4184db7afffd277c485ce48f8d4fcbc508cfd709e8
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55Y:X6QFElP6n+gJQMOtEvwDpjB0GIWY

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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	2024-01-06_2eedf2e7aad5ae557013d32a7f478d17_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2984	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 3768 wrote to memory of 2984	3768	2024-01-06_2eedf2e7aad5ae557013d32a7f478d17_cryptolocker.exe	90
PID 3768 wrote to memory of 2984	3768	2024-01-06_2eedf2e7aad5ae557013d32a7f478d17_cryptolocker.exe	90
PID 3768 wrote to memory of 2984	3768	2024-01-06_2eedf2e7aad5ae557013d32a7f478d17_cryptolocker.exe	90

C:\Users\Admin\AppData\Local\Temp\2024-01-06_2eedf2e7aad5ae557013d32a7f478d17_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-06_2eedf2e7aad5ae557013d32a7f478d17_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3768
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2984

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
44KB

MD5
d41815bae51e0f1138f71930aa0e63cb

SHA1
bfb59a1f3edc0a3cbae251da87830910b08e45da

SHA256
af728d83df9dbb148a6d9a10a342bf1c0f8af81e02f0d67e0ebfcbd55e23dcda

SHA512
206981dfc79a5cd7319ba43f49680e44349c028adcdf42acff7c5d9d4e7e821d8750fbb5fff7480f99d8af1c3dd53d42ac32ae6cab8dfc205e600d42cefafcb0

Download Submit
memory/2984-17-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/2984-19-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/3768-0-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3768-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3768-2-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download