23e82322d521bb46fcd83ebfba776382217d2f0689f26fc04caf977634633d6d

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 01:23

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General

Target

2024-01-24_190219d7dee5c081baed517b80d2a881_cryptolocker.exe
Size

35KB
MD5

190219d7dee5c081baed517b80d2a881
SHA1

1114951ad3dc0ecedb26a1616ff2c7f022f8369d
SHA256

23e82322d521bb46fcd83ebfba776382217d2f0689f26fc04caf977634633d6d
SHA512

57567b3946f029049ac54c9abb366a21fe2db4d7aefb5135f09db95e8acb79196f6e6495e3cd0d5584f21b108744c4d14854a8a7582730c197f86986f2e49809
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B0qDQ8G:btB9g/WItCSsAGjX7r3BTD8

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023229-12.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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	2024-01-24_190219d7dee5c081baed517b80d2a881_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	gewos.exe

Executes dropped EXE 1 IoCs

pid	Process
3672	gewos.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 5952 wrote to memory of 3672	5952	2024-01-24_190219d7dee5c081baed517b80d2a881_cryptolocker.exe	87
PID 5952 wrote to memory of 3672	5952	2024-01-24_190219d7dee5c081baed517b80d2a881_cryptolocker.exe	87
PID 5952 wrote to memory of 3672	5952	2024-01-24_190219d7dee5c081baed517b80d2a881_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-01-24_190219d7dee5c081baed517b80d2a881_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-24_190219d7dee5c081baed517b80d2a881_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5952
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:3672

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

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Downloads

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

Filesize
35KB

MD5
9f0f4e274086740eafcb3a2f5e60486c

SHA1
3ac601d85f0f3fc56427d9cda39368bbb16216b7

SHA256
4b085dc213206848564cb68b893d6a446cb575efc1d61771af043d6e3ecb175c

SHA512
00c88d201514b1b95a9693a39de2af6d675715e3999a7d1bce8f87213df38b5d87de60ac255edfb2fb58a40a4b8e3ec769b7c83ed1622ac6f636e91e362c5fd9

Download Submit
memory/3672-25-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/5952-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/5952-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/5952-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download