d8f5dc5ec39f6a0dff8b155189d97157f9e30b8008fe7af8a5917312059767de

Analysis

max time kernel
0s
max time network
139s
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, 06:40

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General

Target

2024-01-08_581f4821849faabe69416337bd0e3843_cryptolocker.exe
Size

120KB
MD5

581f4821849faabe69416337bd0e3843
SHA1

3356e5fd49b07037d78a6b80e83d8a4c5d7c5d15
SHA256

d8f5dc5ec39f6a0dff8b155189d97157f9e30b8008fe7af8a5917312059767de
SHA512

4f8d1a9519ca50b5c8cf496a70703bd6038896dcdeabdb4ff46ce930c2652479decb68f224e357a1a6fca50a42370de9657d474ab2a9fee96a8a6368b6cc437d
SSDEEP

768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBTZp:gUj+AIMOtEvwDpjNbwQEIPlemUhYpp

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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	2024-01-08_581f4821849faabe69416337bd0e3843_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4824	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 788 wrote to memory of 4824	788	2024-01-08_581f4821849faabe69416337bd0e3843_cryptolocker.exe	20
PID 788 wrote to memory of 4824	788	2024-01-08_581f4821849faabe69416337bd0e3843_cryptolocker.exe	20
PID 788 wrote to memory of 4824	788	2024-01-08_581f4821849faabe69416337bd0e3843_cryptolocker.exe	20

C:\Users\Admin\AppData\Local\Temp\2024-01-08_581f4821849faabe69416337bd0e3843_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_581f4821849faabe69416337bd0e3843_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:788
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4824

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\misid.exe

Filesize
92KB

MD5
a7fc0ecab32e51a117ab5517d67933a2

SHA1
f60a804c90ac823d2d86dc0c318a755b1d0df75f

SHA256
79bd4dee0eec2a6d70c9021ae5de97e99c6d2f0f365e80b7900d21b2e34f44bc

SHA512
26abc497ae939293abfd9314d1e71a96d2c1a950bdafcf038d81df6d3c9357204c2fc12dea26016e16d5526f15eb7c46ab05eacc7c85b2c38ee3df2c7cc3ba98

Download Submit
memory/788-2-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/788-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/788-0-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/4824-17-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/4824-23-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download