4319ad07c30932b84ec2c953183575b9402b48cc1911679212b9e25eeadf2c44

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/04/2024, 04:05

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General

Target

2024-04-26_ccbbb10058bde183742a1911668fb4e2_cryptolocker.exe
Size

52KB
MD5

ccbbb10058bde183742a1911668fb4e2
SHA1

806442871facf4666ea00dbe128ea732067b4bce
SHA256

4319ad07c30932b84ec2c953183575b9402b48cc1911679212b9e25eeadf2c44
SHA512

314492aa5e25fbec397cd482e6832858f3f82c50b6bbcd19bec943964f95034e53059bcf3312f984620f0fe623469aab6a0a39ee7d33c05ca1fb02d832ab5b43
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5CS4Gjtt:bgGYcA/53GAA6y37Q6dI+d5QGZt

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224f-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2492	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1196	2024-04-26_ccbbb10058bde183742a1911668fb4e2_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 1196 wrote to memory of 2492	1196	2024-04-26_ccbbb10058bde183742a1911668fb4e2_cryptolocker.exe	28
PID 1196 wrote to memory of 2492	1196	2024-04-26_ccbbb10058bde183742a1911668fb4e2_cryptolocker.exe	28
PID 1196 wrote to memory of 2492	1196	2024-04-26_ccbbb10058bde183742a1911668fb4e2_cryptolocker.exe	28
PID 1196 wrote to memory of 2492	1196	2024-04-26_ccbbb10058bde183742a1911668fb4e2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-26_ccbbb10058bde183742a1911668fb4e2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-26_ccbbb10058bde183742a1911668fb4e2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2492

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
d04ad9fd5a1b2563113238f4c6acbe4e

SHA1
920bb248503f17bf7d85ce007b006e97d25ea4fe

SHA256
7321033070ec21f5c97a3a74ad6e18e03e7b726e911e4156ce8527256552fcc1

SHA512
a3a0ea9ee322f7e3c3fa7b1327a9e5461d2de7d9f535f3e413990437803905cee25e04472cb9d7b976d4b2468c2cf93942433da24d56a250ca3e7a56f804baf0

Download Submit
memory/1196-0-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1196-1-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2492-15-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2492-22-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download