f622a39941535301132d1da5c7810553b1e8a87dc5220dc4a519493a650c2c0d

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 23:43

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General

Target

2024-05-21_7f801ec77530b002a81b955da214bc2e_cryptolocker.exe
Size

39KB
MD5

7f801ec77530b002a81b955da214bc2e
SHA1

69c0e15150d0ee03b598473fec4f2fa640925b5d
SHA256

f622a39941535301132d1da5c7810553b1e8a87dc5220dc4a519493a650c2c0d
SHA512

7f0679f92e4cef8ced113604f23095a84869f4eb107ff4bcb85458517fef6c38daf33586ac7df8c14f21071688a4d640bec8a2383c3f473a49ad9ed104f6e8ec
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCw0x:X6QFElP6n+gJQMOtEvwDpjBmzDU5x

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000013f2c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000013f2c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3020	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2004	2024-05-21_7f801ec77530b002a81b955da214bc2e_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 2004 wrote to memory of 3020	2004	2024-05-21_7f801ec77530b002a81b955da214bc2e_cryptolocker.exe	28
PID 2004 wrote to memory of 3020	2004	2024-05-21_7f801ec77530b002a81b955da214bc2e_cryptolocker.exe	28
PID 2004 wrote to memory of 3020	2004	2024-05-21_7f801ec77530b002a81b955da214bc2e_cryptolocker.exe	28
PID 2004 wrote to memory of 3020	2004	2024-05-21_7f801ec77530b002a81b955da214bc2e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-21_7f801ec77530b002a81b955da214bc2e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-21_7f801ec77530b002a81b955da214bc2e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3020

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
39KB

MD5
4968c01d606a18910bcef7fb45472da9

SHA1
ee041b90bd089ceea14fdd5c495bf154469d8965

SHA256
7a9a81badacdfee96614471c3103ef366b090f78206fe37c860d4690887cb4c7

SHA512
e46d4c68c2b875c0546beae44fe34ebc6817117aa295ae9d999ab3e8e3c4a10d906483ea4d1c1104f3810e0322b95f4e30eeb42ed202967055f424679ab09441

Download Submit
memory/2004-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2004-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2004-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/3020-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3020-15-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download