048bc20e087e8d7496f5aa624be16c18b7d18a97cb886bc6a536dc2b2c1227fc

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 21:24

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General

Target

2024-03-15_0325c188152f7d2087bed40a0b87ad81_cryptolocker.exe
Size

48KB
MD5

0325c188152f7d2087bed40a0b87ad81
SHA1

8c2f6194de430c54053ddec206c0301281abe348
SHA256

048bc20e087e8d7496f5aa624be16c18b7d18a97cb886bc6a536dc2b2c1227fc
SHA512

5a21df44ea62ad352623242aafb87e65a9e6dca8bb10e2553aec2f45b27ff33c31f61dbbd439d3cc5b67a48c35cf1347b13ad27f70b044fccaea5622bd17ec5c
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr46xdUUuuMT8x:vj+jsMQMOtEvwDpj5Hczer5ixuMU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000200000001f656-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000200000001f656-12.dat	CryptoLocker_set1

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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	2024-03-15_0325c188152f7d2087bed40a0b87ad81_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1448	misid.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 4152 wrote to memory of 1448	4152	2024-03-15_0325c188152f7d2087bed40a0b87ad81_cryptolocker.exe	90
PID 4152 wrote to memory of 1448	4152	2024-03-15_0325c188152f7d2087bed40a0b87ad81_cryptolocker.exe	90
PID 4152 wrote to memory of 1448	4152	2024-03-15_0325c188152f7d2087bed40a0b87ad81_cryptolocker.exe	90

C:\Users\Admin\AppData\Local\Temp\2024-03-15_0325c188152f7d2087bed40a0b87ad81_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-15_0325c188152f7d2087bed40a0b87ad81_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4152
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1448

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\misid.exe

Filesize
48KB

MD5
601043175ba8eaf09e18d37bb6895956

SHA1
13ab7dfa1a53e0423ee0aec53c5b78bbe8ec98d6

SHA256
7da169a121a446cb1e366f425df7702ff153f3e2111e465571cf632e21903213

SHA512
e7f04549e192a4c80f1794f2cd1ebbc9a8b10b07143786d01aea9027cc4d35774946e629765aeba697899bca0fd616b794a895a5f28e34cbe15f137ea3a10ae7

Download Submit
memory/1448-17-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/1448-22-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/4152-0-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/4152-1-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/4152-2-0x0000000002220000-0x0000000002226000-memory.dmp

Filesize
24KB

Download