53aa3ff53ccb472b73cced1091a0b9284c5d7b7c3149bf03d7bb32f543a0cbc1

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
12/05/2024, 21:05

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-05-11_2ecc6fa049493adcd984f67ce7063174_cryptolocker.exe
Size

39KB
MD5

2ecc6fa049493adcd984f67ce7063174
SHA1

5627a5026a820e11b8e0bbc5bfe5ee82d38315e7
SHA256

53aa3ff53ccb472b73cced1091a0b9284c5d7b7c3149bf03d7bb32f543a0cbc1
SHA512

718c9080ae456a94ccfd9d2850225d33e3489aa045a3c4c72dc16a3db7a1145f09b47f517eaab11075b558cc31e1360ca27f3b6236d9eb2607d62d9fc5f72c6c
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunRSyHmYvV8In:btB9g/WItCSsAGjX7e9N0hunRvGIV8In

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000144e0-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2936	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2592	2024-05-11_2ecc6fa049493adcd984f67ce7063174_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
2592	2024-05-11_2ecc6fa049493adcd984f67ce7063174_cryptolocker.exe
2936	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 2936	2592	2024-05-11_2ecc6fa049493adcd984f67ce7063174_cryptolocker.exe	28
PID 2592 wrote to memory of 2936	2592	2024-05-11_2ecc6fa049493adcd984f67ce7063174_cryptolocker.exe	28
PID 2592 wrote to memory of 2936	2592	2024-05-11_2ecc6fa049493adcd984f67ce7063174_cryptolocker.exe	28
PID 2592 wrote to memory of 2936	2592	2024-05-11_2ecc6fa049493adcd984f67ce7063174_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-11_2ecc6fa049493adcd984f67ce7063174_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-11_2ecc6fa049493adcd984f67ce7063174_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2592
- 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:2936

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

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

Filesize
39KB

MD5
cdc6c79a0a6bcc84830571712f59ee67

SHA1
96b5c4b843dfd15e00045c37d1db618296f59e22

SHA256
b3051f9fc18166c1350d2374eeeb53a6d2f3ee93e442d8e677114829740c5e9e

SHA512
6666939433805153e534f002c6581d9354ed98cbe17b6e786d772cb1c0928709e8f9ab61f1460d1e73233eb8498915c4d16aeafe537c16a5099d7f182c72cadb

Download Submit
memory/2592-0-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2592-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2592-8-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2936-23-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download