c46a219e1c03dd3b1a6facd2a8f1143b03b0226f05a31bdb9454e45f82319bb1

Analysis

max time kernel
150s
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
28/01/2024, 01:35

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General

Target

2024-01-28_780d80309d8a1306c5c759994889ac95_cryptolocker.exe
Size

40KB
MD5

780d80309d8a1306c5c759994889ac95
SHA1

4619bbe279fad714f4a46b9591f668ad1aa63a94
SHA256

c46a219e1c03dd3b1a6facd2a8f1143b03b0226f05a31bdb9454e45f82319bb1
SHA512

be9d2384c2a6ac48eb997fe96931405846bb82d9d5e627e0dd2054e97193c2adc0859eb734debb3f9aad4855409a9c0e7723a3d68a9eace27240da4a54e5ec5a
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+s2Md5:bgGYcA/53GADw8Clgd5

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x00080000000231f9-12.dat	CryptoLocker_rule2

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	2024-01-28_780d80309d8a1306c5c759994889ac95_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3212	hasfj.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 2772 wrote to memory of 3212	2772	2024-01-28_780d80309d8a1306c5c759994889ac95_cryptolocker.exe	86
PID 2772 wrote to memory of 3212	2772	2024-01-28_780d80309d8a1306c5c759994889ac95_cryptolocker.exe	86
PID 2772 wrote to memory of 3212	2772	2024-01-28_780d80309d8a1306c5c759994889ac95_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-01-28_780d80309d8a1306c5c759994889ac95_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-28_780d80309d8a1306c5c759994889ac95_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3212

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\hasfj.exe

Filesize
40KB

MD5
ce9aa53f000f934fdfb88793eee76c54

SHA1
eaa11db2aea0e771d68f9a58043782ea31df1c37

SHA256
3bd9326c34f4ad5666d8c21c90ba9c085116cf1aba742f2e0362e7336fe2130e

SHA512
6f636b164175cb9dd08765270f5799ba8498df7532119c1a6cfb6884269166d8e41f1128dc814ab8b419d85b8397ac3bd3ac33418f5968e16e540b9751f85412

Download Submit
memory/2772-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/2772-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/2772-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/3212-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/3212-19-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download