89ad13b4d7db8254c73a37ffda5fc7caa8a83cceda7aa0ccb073536c738bc3d0

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29/02/2024, 05:43

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General

Target

2024-02-29_4a9431981021323dd556357b75483513_cryptolocker.exe
Size

58KB
MD5

4a9431981021323dd556357b75483513
SHA1

983b102d7fa08854267108972130e2a274893a07
SHA256

89ad13b4d7db8254c73a37ffda5fc7caa8a83cceda7aa0ccb073536c738bc3d0
SHA512

e7aa390478c22c13c2517aaaf3964f7641a72351f942e95a4cdd0c573ddb91f7958fc4eb59aece0a1de8b9a050ffa97cdc96534ae9f76614b8a16cddb7a17d11
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8lB4dCOBy/cMFqeoYPO+lxUah:ZzFbxmLPWQMOtEvwDpj38lD/cMAT+lZ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000001ebc7-13.dat	CryptoLocker_rule2

Checks computer location settings 2 TTPs 2 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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	2024-02-29_4a9431981021323dd556357b75483513_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
4704	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 1016 wrote to memory of 4704	1016	2024-02-29_4a9431981021323dd556357b75483513_cryptolocker.exe	89
PID 1016 wrote to memory of 4704	1016	2024-02-29_4a9431981021323dd556357b75483513_cryptolocker.exe	89
PID 1016 wrote to memory of 4704	1016	2024-02-29_4a9431981021323dd556357b75483513_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-02-29_4a9431981021323dd556357b75483513_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-29_4a9431981021323dd556357b75483513_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:4704

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
58KB

MD5
5a1fa67a0dddabefcd8f637b164d0ec0

SHA1
6e9fe8149bfa22c3fdf29e904f7eba4e0a1af67a

SHA256
7b92a7cf204096568b4dd914b98dcbe7826c4f2b7bdd9f051a509af2f0276fd9

SHA512
295d882144db718ef2757c4a2c0b6cd236133c6d878a8fa93b128ad331ab604ed5baa8ebbc41170cae7d006d9683b676454e4c3412635dbacadd5c001c99d954

Download Submit
memory/1016-0-0x0000000000490000-0x0000000000493000-memory.dmp

Filesize
12KB

Download
memory/1016-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1016-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1016-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1016-18-0x0000000000490000-0x0000000000493000-memory.dmp

Filesize
12KB

Download
memory/4704-17-0x00000000004D0000-0x00000000004D3000-memory.dmp

Filesize
12KB

Download
memory/4704-20-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4704-23-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download