a091ffc684e0e636cf8913ef07e581a946a134d4af6b5fc2f8e716131f8a9cba

Analysis

max time kernel
0s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2024 05:58

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General

Target

2024-01-09_960a2c9d6013a606884587d0574d0a22_cryptolocker.exe
Size

96KB
MD5

960a2c9d6013a606884587d0574d0a22
SHA1

34488507df9745392c8aee1873b515193c05c3de
SHA256

a091ffc684e0e636cf8913ef07e581a946a134d4af6b5fc2f8e716131f8a9cba
SHA512

bb414f0a7f161f23f6e1c4dd876d761865107cfd71b5a3a8d75f21bd5e860ba84ffd779d930099e1b74ab404d311fe0c0fdcad04695adfdf603980af9f92c795
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJHlv/kH:xj+VGMOtEvwDpjubwQEIiVmkxv/6

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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	2024-01-09_960a2c9d6013a606884587d0574d0a22_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
5104	misid.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 3016 wrote to memory of 5104	3016	2024-01-09_960a2c9d6013a606884587d0574d0a22_cryptolocker.exe	18
PID 3016 wrote to memory of 5104	3016	2024-01-09_960a2c9d6013a606884587d0574d0a22_cryptolocker.exe	18
PID 3016 wrote to memory of 5104	3016	2024-01-09_960a2c9d6013a606884587d0574d0a22_cryptolocker.exe	18

C:\Users\Admin\AppData\Local\Temp\2024-01-09_960a2c9d6013a606884587d0574d0a22_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-09_960a2c9d6013a606884587d0574d0a22_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:5104

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\misids.exe

Filesize
315B

MD5
a34ac19f4afae63adc5d2f7bc970c07f

SHA1
a82190fc530c265aa40a045c21770d967f4767b8

SHA256
d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

SHA512
42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

Download Submit
memory/3016-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3016-3-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/3016-2-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3016-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3016-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/5104-21-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/5104-20-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/5104-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/5104-49-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download