6473a1b6f29fc6991ce398edfdb1d000af20f293be8c9983229386916c1227aa

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2024, 04:59

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General

Target

2024-04-09_f6eaadd63f78d47876b43473456a7f4f_cryptolocker.exe
Size

36KB
MD5

f6eaadd63f78d47876b43473456a7f4f
SHA1

d1ef9cc9968b5dd395b1a768f578829cf0cd8b99
SHA256

6473a1b6f29fc6991ce398edfdb1d000af20f293be8c9983229386916c1227aa
SHA512

d23350858cd9e91d0811cf6b0959f2d3304a89c2b47d4569dc2a0c01a0d57a1eece143a412a0488ec8f6186a1389f387964b08e40c573698b73dbd113395ccbb
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6c3l8Sz960SPluRrS:bAvJCYOOvbRPDEgXRc3SSz3SPEW

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x00080000000231eb-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-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	2024-04-09_f6eaadd63f78d47876b43473456a7f4f_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
2132	demka.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 224 wrote to memory of 2132	224	2024-04-09_f6eaadd63f78d47876b43473456a7f4f_cryptolocker.exe	86
PID 224 wrote to memory of 2132	224	2024-04-09_f6eaadd63f78d47876b43473456a7f4f_cryptolocker.exe	86
PID 224 wrote to memory of 2132	224	2024-04-09_f6eaadd63f78d47876b43473456a7f4f_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-04-09_f6eaadd63f78d47876b43473456a7f4f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-09_f6eaadd63f78d47876b43473456a7f4f_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:224
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:2132

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\demka.exe

Filesize
36KB

MD5
400e15faee69b491ec3a883881369e41

SHA1
1dec9e6e5eb71766f06bc4c2c9d277680f6852e5

SHA256
afb24bf38e98f025951731febf047d290f14e5030fdf235f09b7135eb72b64fc

SHA512
57550e0caf4e40a52a59fe0dec8e9b3c2e75f297479227fc66dfe0a9290912d34730700dfc3dbdec829ace3d5e1fa736422c135ac0b29c9a9eabc18e4a9bdc3a

Download Submit
memory/224-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/224-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/224-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2132-22-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download