46a18957a933a933059c16c3688487cc116ae54974a7290c408454c312e66eb3

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
04/06/2024, 04:36

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General

Target

2024-06-04_4bedb4513d96f50a206e1482450d502e_cryptolocker.exe
Size

37KB
MD5

4bedb4513d96f50a206e1482450d502e
SHA1

eee1d4ece1e0e9d13c6a7008d0b33359e4bf7649
SHA256

46a18957a933a933059c16c3688487cc116ae54974a7290c408454c312e66eb3
SHA512

ab96e7ba7fbfe439a268232df034e83229f9e74d30021cbb0db2018a7be60a6e64c559b0f6e84f5d678bee8e0a0fffc3a689d8e377b5ec9d69c6c4671b1e5059
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B0qvoLUZ61VSl3A:btB9g/WItCSsAGjX7r3BTmUQ1VmC0O

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001227e-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1260	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
1728	2024-06-04_4bedb4513d96f50a206e1482450d502e_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
1728	2024-06-04_4bedb4513d96f50a206e1482450d502e_cryptolocker.exe
1260	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1260	1728	2024-06-04_4bedb4513d96f50a206e1482450d502e_cryptolocker.exe	28
PID 1728 wrote to memory of 1260	1728	2024-06-04_4bedb4513d96f50a206e1482450d502e_cryptolocker.exe	28
PID 1728 wrote to memory of 1260	1728	2024-06-04_4bedb4513d96f50a206e1482450d502e_cryptolocker.exe	28
PID 1728 wrote to memory of 1260	1728	2024-06-04_4bedb4513d96f50a206e1482450d502e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-04_4bedb4513d96f50a206e1482450d502e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-04_4bedb4513d96f50a206e1482450d502e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:1260

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\gewos.exe

Filesize
37KB

MD5
b595429ad4177dbb38397d7e50694914

SHA1
d8dd9f8a6fd10877ba1a8345a3bd161b8a1aa7cd

SHA256
b6bbef1b5afb4f8990b78d17b0fbc4579662452eaf7c3b5f63082391b2db586a

SHA512
bba16dea350e4f78c97e1ac71d3cd5699ba6ad108637b759ab4d86b8d2ba9f42f6380959fb5081ea3187303f2c0e3c536a37078fad892261c1d6495c54e2bb3f

Download Submit
memory/1260-16-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1728-8-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1728-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1728-0-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download