16284873b23e2e8f30b1b849341c64780a96ceb7a5d9a27d93547366baa18605

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/04/2024, 20:14

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General

Target

2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe
Size

52KB
MD5

9d79195021b752b8cd79d8681c2a8d98
SHA1

3189e9a69e8846c9e1cbeee742b3ceff926df0d6
SHA256

16284873b23e2e8f30b1b849341c64780a96ceb7a5d9a27d93547366baa18605
SHA512

b9bcd4d415bebb5c954e147f4875e4a0b7d90264df1a683c4b09fc3c9f608f52af8c9a0800c866691c9afc621e3526982c74ec97b082b6672c226ead667c73a5
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5CS4Gjhh:bgGYcA/53GAA6y37Q6dI+d5QGT

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224f-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1748	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2056	2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 1748	2056	2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe	28
PID 2056 wrote to memory of 1748	2056	2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe	28
PID 2056 wrote to memory of 1748	2056	2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe	28
PID 2056 wrote to memory of 1748	2056	2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
52KB

MD5
83c2e85f55ab87125854de7bdb42eb6a

SHA1
4133da4ea63ad51dd723e0798bd19ae37c3ee55e

SHA256
e704abe05343417d2ee02e70de35e4eb7d996ec48942c0c91ec88ae050a4b609

SHA512
4ee6698477cd95be60becde242edc71736b523a12cda1b459910c1b5ecd339b8e175cfb8aff6b83497b844d93b7ad59c4b60c68cc2f95346d2e6ab6309d64ee6

Download Submit
memory/1748-15-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1748-19-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2056-0-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2056-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2056-3-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download