9d9bd946a35ff313068c334c8882493c6421dedcfb3d4d275df6f68c1a93339f

Analysis

max time kernel
143s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 14:29

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General

Target

2024-02-13_384b271666e9be4ad49b863d92d40996_cryptolocker.exe
Size

39KB
MD5

384b271666e9be4ad49b863d92d40996
SHA1

53e67e5f6ddd159d8d07250bc825c69d6ef1cec5
SHA256

9d9bd946a35ff313068c334c8882493c6421dedcfb3d4d275df6f68c1a93339f
SHA512

345dedaf932ff1429e728efc89fc59d055d70129378579d24348cd738f198530ab8c06e0d2c488e150567e6e2a4e3b12a6805f167f7a6e995d6a243413a9db0d
SSDEEP

768:bAvJCYOOvbRPDEgXrNekd7l94i3py/yY/g:bAvJCF+RQgJeab4sy/lg

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000e00000002316a-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-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	2024-02-13_384b271666e9be4ad49b863d92d40996_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
2796	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 4136 wrote to memory of 2796	4136	2024-02-13_384b271666e9be4ad49b863d92d40996_cryptolocker.exe	84
PID 4136 wrote to memory of 2796	4136	2024-02-13_384b271666e9be4ad49b863d92d40996_cryptolocker.exe	84
PID 4136 wrote to memory of 2796	4136	2024-02-13_384b271666e9be4ad49b863d92d40996_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-02-13_384b271666e9be4ad49b863d92d40996_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-13_384b271666e9be4ad49b863d92d40996_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4136
- 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:2796

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
39KB

MD5
5197e82c6cfee76e545494764911e7b8

SHA1
ab484e2a0d825f5db343720830df604aef84465c

SHA256
1569fe76b6bff8c3009c5aa82d8dba34986470926484a4728be0eccb429d779b

SHA512
de019dc0a5b93517267ec20fc429f22272f7736621bed594e26b9fcb3e5be76a0ec70202e57e74a44fec61058646776ea946980b44fff35cc9e731afbabc5303

Download Submit
memory/2796-21-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/4136-0-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/4136-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/4136-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download