5f8705c195554fda0d26cf33e1a382eb1c82231c935006ca87f120d959ac0059

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
23/02/2024, 19:39

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General

Target

2024-02-23_501e7e7777ecf9f6cd622d5dbde027bd_cryptolocker.exe
Size

36KB
MD5

501e7e7777ecf9f6cd622d5dbde027bd
SHA1

a7a0086c4a572604617f8612c08691cd351d9116
SHA256

5f8705c195554fda0d26cf33e1a382eb1c82231c935006ca87f120d959ac0059
SHA512

7cfdc67ef40171f3c7dda106966d00a91aab3eb88b750d1271d88f657aba2686310ae8fbce799e861674d39d13d93310d3f2b721c83e5c249fcb09f5b056e54b
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunKUj:btB9g/WItCSsAGjX7e9N0hunKUj

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001231a-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2692	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2328	2024-02-23_501e7e7777ecf9f6cd622d5dbde027bd_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
2328	2024-02-23_501e7e7777ecf9f6cd622d5dbde027bd_cryptolocker.exe
2692	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2692	2328	2024-02-23_501e7e7777ecf9f6cd622d5dbde027bd_cryptolocker.exe	28
PID 2328 wrote to memory of 2692	2328	2024-02-23_501e7e7777ecf9f6cd622d5dbde027bd_cryptolocker.exe	28
PID 2328 wrote to memory of 2692	2328	2024-02-23_501e7e7777ecf9f6cd622d5dbde027bd_cryptolocker.exe	28
PID 2328 wrote to memory of 2692	2328	2024-02-23_501e7e7777ecf9f6cd622d5dbde027bd_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-23_501e7e7777ecf9f6cd622d5dbde027bd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-23_501e7e7777ecf9f6cd622d5dbde027bd_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2328
- 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:2692

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
36KB

MD5
223f0c719e98b9452992ae681318120d

SHA1
1db44c28ef076bc2206218bd15c1934313b95fb3

SHA256
1412105d29f73603cea0738aa35e1121bbc2aeca2035b48b724a10c0dc350be6

SHA512
12fa2a2978cefbadebbd4afe08ceafdbe9a866d40f7d5593f579bd6fab487c26aa5940597aa9b4ecab66551bb26467bdb910d3e6c763a20ca23722d8a454629b

Download Submit
memory/2328-0-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2328-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2328-8-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2692-21-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download