d450186783356342b1f1032b0b0262554e75fd55f3567a8db885dc1d5a0e0316

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
09/06/2024, 01:12

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General

Target

2024-06-09_b5c2003868d5db0ac9888b9209652205_cryptolocker.exe
Size

56KB
MD5

b5c2003868d5db0ac9888b9209652205
SHA1

cdba703dc8eb287dc49c25f38b22f5b0a2f3dc67
SHA256

d450186783356342b1f1032b0b0262554e75fd55f3567a8db885dc1d5a0e0316
SHA512

7e378c093f3650e8f0bfa706ea5e8bdad520a0bf34697297870054b20111e7ff2ab0b31797578c5042ee6aff5763ee8e6a3608ea450389922bdb0529330f313b
SSDEEP

768:b7o/2n1TCraU6GD1a4Xcn62tH/1/Lp17zJIfeVEuUr6Wxb:bc/y2lm6iH/NLp17zrV989

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012286-14.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2064	rewok.exe

Loads dropped DLL 1 IoCs

pid	Process
2132	2024-06-09_b5c2003868d5db0ac9888b9209652205_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2132	2024-06-09_b5c2003868d5db0ac9888b9209652205_cryptolocker.exe
2064	rewok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2064	2132	2024-06-09_b5c2003868d5db0ac9888b9209652205_cryptolocker.exe	28
PID 2132 wrote to memory of 2064	2132	2024-06-09_b5c2003868d5db0ac9888b9209652205_cryptolocker.exe	28
PID 2132 wrote to memory of 2064	2132	2024-06-09_b5c2003868d5db0ac9888b9209652205_cryptolocker.exe	28
PID 2132 wrote to memory of 2064	2132	2024-06-09_b5c2003868d5db0ac9888b9209652205_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-09_b5c2003868d5db0ac9888b9209652205_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-09_b5c2003868d5db0ac9888b9209652205_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Users\Admin\AppData\Local\Temp\rewok.exe
  "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2064

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

C:\Users\Admin\AppData\Local\Temp\rewok.exe

Filesize
56KB

MD5
864d7433845f21e8c302d21f82a39cd9

SHA1
0f901c10817a551371ddbaf8b00f8668d4fba63f

SHA256
1fba36a551f3b71189a758f31dc563b56e373add7a3aaa3084dadd3ea26069aa

SHA512
558d16701dfe9819dcb624ef6cc2b39445d9066df90917cc54cfae89b710486b33d2f3df79c97ca4e8ca136c6e8adb71b193042e7c06e8007a9736a2746d2ca4

Download Submit
memory/2132-0-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2132-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2132-8-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download