8a62d1524639d6a9ceef2a3b169e1cfd988ff11b93900c563fdc9bbeef91f4e0

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/02/2024, 09:40

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General

Target

2024-02-04_759645d1007b984550d2201798630366_cryptolocker.exe
Size

52KB
MD5

759645d1007b984550d2201798630366
SHA1

562ebb50073af49ea6b2a71a1f04a3a2f493a0fe
SHA256

8a62d1524639d6a9ceef2a3b169e1cfd988ff11b93900c563fdc9bbeef91f4e0
SHA512

8c8cf59df073abd7ca460f888e0d5d8d7542541be513f1146ebb13fc876d09ca5b9f035a3296af73b57db113b97882c72ccb2777940ebf7d605ad1f5794c302c
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9XbTbmhTB/:bIDOw9a0DwitDZzcTQ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012243-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2044	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2644	2024-02-04_759645d1007b984550d2201798630366_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 2644 wrote to memory of 2044	2644	2024-02-04_759645d1007b984550d2201798630366_cryptolocker.exe	28
PID 2644 wrote to memory of 2044	2644	2024-02-04_759645d1007b984550d2201798630366_cryptolocker.exe	28
PID 2644 wrote to memory of 2044	2644	2024-02-04_759645d1007b984550d2201798630366_cryptolocker.exe	28
PID 2644 wrote to memory of 2044	2644	2024-02-04_759645d1007b984550d2201798630366_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-04_759645d1007b984550d2201798630366_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-04_759645d1007b984550d2201798630366_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2044

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\lossy.exe

Filesize
52KB

MD5
ac7f02f7af6226a6b307c73282148f48

SHA1
2ee0aa08a969722cde190ec8509a3167759e03a2

SHA256
0e792568ad13ae4228f00a9aa98e9b8c24d20fe51b459d47f4daf6f108a68488

SHA512
cbb6f171710ae0acdf7181fbcf9bc8dac012f91507c5382342cc2fa0460b745400305cdc0ddabef86126961c10ba627ed9e49d78e421ab1cc503c255d7901043

Download Submit
memory/2044-15-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2644-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2644-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2644-1-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download