d97689ce98bb86023bfed46c3d636d89b284b4dc74efa816a22eac828fa5707d

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/03/2024, 06:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-06_ae035ae5e5a6b1c4ef0d00733213876e_cryptolocker.exe
Size

35KB
MD5

ae035ae5e5a6b1c4ef0d00733213876e
SHA1

5461fcacb23fbac50bdfc580d4b6e3d9f74fd64e
SHA256

d97689ce98bb86023bfed46c3d636d89b284b4dc74efa816a22eac828fa5707d
SHA512

8942697c9c986a7b5c2171cc5ca0ab62d39e8fc54cfb61ea441d18b48271cc93e69d3f146419bbc8f67d4bfd2919257fda69589276421eda9970602f81596a03
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B0q8Z:btB9g/WItCSsAGjX7r3BT+

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012254-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2792	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
1420	2024-03-06_ae035ae5e5a6b1c4ef0d00733213876e_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
1420	2024-03-06_ae035ae5e5a6b1c4ef0d00733213876e_cryptolocker.exe
2792	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 2792	1420	2024-03-06_ae035ae5e5a6b1c4ef0d00733213876e_cryptolocker.exe	28
PID 1420 wrote to memory of 2792	1420	2024-03-06_ae035ae5e5a6b1c4ef0d00733213876e_cryptolocker.exe	28
PID 1420 wrote to memory of 2792	1420	2024-03-06_ae035ae5e5a6b1c4ef0d00733213876e_cryptolocker.exe	28
PID 1420 wrote to memory of 2792	1420	2024-03-06_ae035ae5e5a6b1c4ef0d00733213876e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-06_ae035ae5e5a6b1c4ef0d00733213876e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-06_ae035ae5e5a6b1c4ef0d00733213876e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1420
- 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:2792

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\gewos.exe

Filesize
35KB

MD5
36384fc31e52bb69ada11280ea2da17d

SHA1
4384b1858e5bea02b3e53001921db9081f7054f9

SHA256
5d670dde9605a9eb8ff2184a7e1472bbb5099c70827033c388d6288630a4edb0

SHA512
d2a773268ea7e2e60bb4b2526562134f495b5223dfed6e5ff22a876589204f1e30c6d28d09dc4317e36f320d5f3a9aa41004498a171de06bbcc9befefb457f97

Download Submit
memory/1420-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1420-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1420-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2792-19-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download