00d0b208dbc835813963e1010164df73bd9ffd2590d4ff0ed46aaadffc346472

Analysis

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

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 01:32

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General

Target

2024-02-22_73354fcfeeada245c9dfdd7c0e6ced1b_cryptolocker.exe
Size

48KB
MD5

73354fcfeeada245c9dfdd7c0e6ced1b
SHA1

cf8152e4e4461f730e4b21f8532ab29b4af96a53
SHA256

00d0b208dbc835813963e1010164df73bd9ffd2590d4ff0ed46aaadffc346472
SHA512

8517f8835853f8ccaf5566571eda3cf97a2031dd3a493bc4874e672b637618c1611eaa06563e3080bbd8a3b2ef60c6554f581978d5bf2ea145639e27b79b996c
SSDEEP

768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qnTNV+:79mqyNhQMOtEvwDpjBxe8R

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/1712-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c00000001234b-11.dat	CryptoLocker_rule2
behavioral1/memory/1712-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2972-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1712-13-0x0000000002270000-0x000000000227F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/1712-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000c00000001234b-11.dat	CryptoLocker_set1
behavioral1/memory/1712-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2972-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1712-13-0x0000000002270000-0x000000000227F000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2972	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1712	2024-02-22_73354fcfeeada245c9dfdd7c0e6ced1b_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 1712 wrote to memory of 2972	1712	2024-02-22_73354fcfeeada245c9dfdd7c0e6ced1b_cryptolocker.exe	28
PID 1712 wrote to memory of 2972	1712	2024-02-22_73354fcfeeada245c9dfdd7c0e6ced1b_cryptolocker.exe	28
PID 1712 wrote to memory of 2972	1712	2024-02-22_73354fcfeeada245c9dfdd7c0e6ced1b_cryptolocker.exe	28
PID 1712 wrote to memory of 2972	1712	2024-02-22_73354fcfeeada245c9dfdd7c0e6ced1b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_73354fcfeeada245c9dfdd7c0e6ced1b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_73354fcfeeada245c9dfdd7c0e6ced1b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2972

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\asih.exe

Filesize
48KB

MD5
454882133aea941928dc6321d0ca411d

SHA1
6164222f7ef3d8b21822d0b7809ddd7cdc9cd846

SHA256
52d274b69df8b26703580c3d0f7403eb1f02f1fda9ae1b29c40ee31c0bd539c2

SHA512
ed59022e0d60eb0e812c11e1eb9de0cc7cb69e57a0331eaa19fa7f82c3480563d0006dcd8f6e8b37ac5185d12a4446191d66fed86b6b3e87b6d1cb73788eaa89

Download Submit
memory/1712-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1712-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1712-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1712-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1712-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1712-13-0x0000000002270000-0x000000000227F000-memory.dmp

Filesize
60KB

Download
memory/2972-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2972-19-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2972-20-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download