6c678fa74231230cb8559ba85e9a9c6963da55660565c696b8b2b127a21f23c1

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24/01/2024, 11:32

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General

Target

2024-01-24_76bd82c707c683cfb4444f520345fd5b_cryptolocker.exe
Size

43KB
MD5

76bd82c707c683cfb4444f520345fd5b
SHA1

d84021b853ca07b4aa4404211aa1ccd39022c3e2
SHA256

6c678fa74231230cb8559ba85e9a9c6963da55660565c696b8b2b127a21f23c1
SHA512

b524e3e9d4f94f79a4dbad0d9bf051e8a5205c5e268a264cd10bb71342ececce8aa99122590cd16f96752ec5b5243ee1cef2c5093c8bf10f519a4b2a9d6b3ed9
SSDEEP

768:btB9g/WItCSsAGjX7r3BPOMHocM4vUUOmJ+96eg+:btB9g/xtCSKfxLIcMzUw96K

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012233-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2460	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
1216	2024-01-24_76bd82c707c683cfb4444f520345fd5b_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
1216	2024-01-24_76bd82c707c683cfb4444f520345fd5b_cryptolocker.exe
2460	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 2460	1216	2024-01-24_76bd82c707c683cfb4444f520345fd5b_cryptolocker.exe	28
PID 1216 wrote to memory of 2460	1216	2024-01-24_76bd82c707c683cfb4444f520345fd5b_cryptolocker.exe	28
PID 1216 wrote to memory of 2460	1216	2024-01-24_76bd82c707c683cfb4444f520345fd5b_cryptolocker.exe	28
PID 1216 wrote to memory of 2460	1216	2024-01-24_76bd82c707c683cfb4444f520345fd5b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-24_76bd82c707c683cfb4444f520345fd5b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-24_76bd82c707c683cfb4444f520345fd5b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1216
- 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:2460

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
43KB

MD5
ee28b6aff3e8c395c3b1bdf81b4098c5

SHA1
356284a0a4947c47ced98282c517baf36f3719ad

SHA256
5c7351891fb7d2698317025432784b909fcca15d15566d3f26751e8d37d38823

SHA512
2a245ccf8b252f7c331368c97151a928cb8371690e6e303d4930a450d196fc47e7f53ab77742ebbbeaf7a3116329516bf4faecbc60d5da5ec5147cddfa9a4f9a

Download Submit
memory/1216-0-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/1216-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1216-1-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2460-18-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download