d020005b946117a2f020fdfd9451b9358946ccf3b9c6f1a0773fc73fb4dd398a

Analysis

max time kernel
160s
max time network
165s
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, 05:44

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General

Target

2024-02-29_94d580260683ab09d1159ad78fa33906_cryptolocker.exe
Size

43KB
MD5

94d580260683ab09d1159ad78fa33906
SHA1

89b2ad54c54641f75bc9f3340d0bd364be957e87
SHA256

d020005b946117a2f020fdfd9451b9358946ccf3b9c6f1a0773fc73fb4dd398a
SHA512

cd8e0a2133936493d4c438a2d77eb1cfa198813bac844b1f39a73d64a4eb670a3af75b3c5f500452604880566e5ea0cb20c371b6dcdb3025670d1da739cd247a
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6D8jnPxBIGJL:bIDOw9a0Dwo3P1ojvUSD4PXIGF

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023218-12.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-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	2024-02-29_94d580260683ab09d1159ad78fa33906_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
488	lossy.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 1500 wrote to memory of 488	1500	2024-02-29_94d580260683ab09d1159ad78fa33906_cryptolocker.exe	88
PID 1500 wrote to memory of 488	1500	2024-02-29_94d580260683ab09d1159ad78fa33906_cryptolocker.exe	88
PID 1500 wrote to memory of 488	1500	2024-02-29_94d580260683ab09d1159ad78fa33906_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-02-29_94d580260683ab09d1159ad78fa33906_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-29_94d580260683ab09d1159ad78fa33906_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1500
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:488

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\lossy.exe

Filesize
43KB

MD5
0e48e136861d4287f513b66e24e9facb

SHA1
209beed957a8723f9877abcca56662aeed0abbf9

SHA256
4564b3cccbd8bb8c6ce8ce070aad0addfc511bab82b20285ca598f6e8e7cd017

SHA512
a110864fc40b855c6d6da89a9f55c673a3b7ab205209ec548f59aa5733ddd29bbc4f626ad075cbba9e0460e30f4866eaa9c6670186051fed3cb66fb0792d9fec

Download Submit
memory/488-17-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/488-21-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download
memory/1500-0-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/1500-1-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/1500-2-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download