be06af0e6c55fcad543e9ad18f72f46a8c55f35956446427a67207a33921889b

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/02/2024, 00:56

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General

Target

2024-02-29_e13b6372f71b660d7c42a13ed113e62e_cryptolocker.exe
Size

60KB
MD5

e13b6372f71b660d7c42a13ed113e62e
SHA1

0373e4e605a5a10ca4aee4a5f8faaf7da6fb6176
SHA256

be06af0e6c55fcad543e9ad18f72f46a8c55f35956446427a67207a33921889b
SHA512

365293b7fe68e4890e008509c29ba975865da9a38e1ce42ab518ce3cbe4098177f4219377ec816ce5f6c0762602aca678f1353fe0342c16d9cd74e7ecd6f4889
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHOE:btng54SMLr+/AO/kIhfoKMHdi

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224c-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2612	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
3024	2024-02-29_e13b6372f71b660d7c42a13ed113e62e_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
3024	2024-02-29_e13b6372f71b660d7c42a13ed113e62e_cryptolocker.exe
2612	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2612	3024	2024-02-29_e13b6372f71b660d7c42a13ed113e62e_cryptolocker.exe	28
PID 3024 wrote to memory of 2612	3024	2024-02-29_e13b6372f71b660d7c42a13ed113e62e_cryptolocker.exe	28
PID 3024 wrote to memory of 2612	3024	2024-02-29_e13b6372f71b660d7c42a13ed113e62e_cryptolocker.exe	28
PID 3024 wrote to memory of 2612	3024	2024-02-29_e13b6372f71b660d7c42a13ed113e62e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-29_e13b6372f71b660d7c42a13ed113e62e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-29_e13b6372f71b660d7c42a13ed113e62e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3024
- 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:2612

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
61KB

MD5
32c666f2e59518c6304041ab5d7a7658

SHA1
b2e8ae207b6c4e0dbef74400211d1d1c56a383b9

SHA256
eb995282be5524ab6d718ab4f6f406b46b6bb88d25fc102365acd6f803eef73e

SHA512
e8468f6f71b99a258244109d1ebe9c4176b1689e7212cb9f49b86a05a1424a25c616d4ba908bd82eb20c0d103053a989e21afd5c2b910d63594f04988501a2bf

Download Submit
memory/2612-16-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/3024-0-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/3024-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3024-7-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download