2ad0bc2eead90b7afd5d32b85c26db469aef59fe462e82f40074fab4681070bf

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
15/05/2024, 15:50

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General

Target

2024-05-15_e4136036b989148039b57a0cc5cd9bde_cryptolocker.exe
Size

32KB
MD5

e4136036b989148039b57a0cc5cd9bde
SHA1

cbc59f3bc775256526606c6935f7597f62eeec33
SHA256

2ad0bc2eead90b7afd5d32b85c26db469aef59fe462e82f40074fab4681070bf
SHA512

baa2829b5e2738d29016b0129b1457fba741233eefce13e955e3c3f9f58f46fcdf8c8a8b7d36841510e6d78922d92c1bc9837adcf390fa2516c3001db5ed1756
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXur:bG74zYcgT/Ekd0ryfjn

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2848-0-0x0000000008000000-0x000000000800A000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000d00000001226b-11.dat	CryptoLocker_rule2
behavioral1/memory/2848-15-0x0000000008000000-0x000000000800A000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1056-16-0x0000000008000000-0x000000000800A000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1056-26-0x0000000008000000-0x000000000800A000-memory.dmp	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1056	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2848	2024-05-15_e4136036b989148039b57a0cc5cd9bde_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 2848 wrote to memory of 1056	2848	2024-05-15_e4136036b989148039b57a0cc5cd9bde_cryptolocker.exe	28
PID 2848 wrote to memory of 1056	2848	2024-05-15_e4136036b989148039b57a0cc5cd9bde_cryptolocker.exe	28
PID 2848 wrote to memory of 1056	2848	2024-05-15_e4136036b989148039b57a0cc5cd9bde_cryptolocker.exe	28
PID 2848 wrote to memory of 1056	2848	2024-05-15_e4136036b989148039b57a0cc5cd9bde_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-15_e4136036b989148039b57a0cc5cd9bde_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-15_e4136036b989148039b57a0cc5cd9bde_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1056

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
32KB

MD5
c7b6093275a146efba50a974aece62f4

SHA1
0314c46b938b6f505493bcf90d8cec164ecd6466

SHA256
b16d2a0b5bd29fb7ed3a6ee540975705969308d717855196575bf3fd62514e6a

SHA512
50e8adea0efa0ba0506b0c1ef1aa14f0edd355bcfddff4ad98247cdf7e398c443e9eea09e0ca94c635c0c2c9220564ba381054c276b1cdce14edba9fc84fb047

Download Submit
memory/1056-16-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/1056-18-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1056-25-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/1056-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2848-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2848-2-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2848-1-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2848-9-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2848-15-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download