da10546d8b0d4140e09b1c5e4f665423436a7826d19a077250dad6a8769ed567

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-03-2024 03:44

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General

Target

2024-03-26_6c312f5047ee55b5366a89dae91a4ae3_cryptolocker.exe
Size

37KB
MD5

6c312f5047ee55b5366a89dae91a4ae3
SHA1

6156e83b66d17c1d4835888da1a13b12d11f9799
SHA256

da10546d8b0d4140e09b1c5e4f665423436a7826d19a077250dad6a8769ed567
SHA512

c7f44442a84f8f0a574b258948a53ef06dba35fed1f338a958d4f9456bd1d36cacf6d26150c70c3521fffbaa43c0d0bab1b983409a90efa772a4d5e9acd513ed
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2BodcAOjbQ36ttTa:btB9g/WItCSsAGjX7r3BGubmR

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012256-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2520	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2148	2024-03-26_6c312f5047ee55b5366a89dae91a4ae3_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
2148	2024-03-26_6c312f5047ee55b5366a89dae91a4ae3_cryptolocker.exe
2520	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2520	2148	2024-03-26_6c312f5047ee55b5366a89dae91a4ae3_cryptolocker.exe	28
PID 2148 wrote to memory of 2520	2148	2024-03-26_6c312f5047ee55b5366a89dae91a4ae3_cryptolocker.exe	28
PID 2148 wrote to memory of 2520	2148	2024-03-26_6c312f5047ee55b5366a89dae91a4ae3_cryptolocker.exe	28
PID 2148 wrote to memory of 2520	2148	2024-03-26_6c312f5047ee55b5366a89dae91a4ae3_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-26_6c312f5047ee55b5366a89dae91a4ae3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_6c312f5047ee55b5366a89dae91a4ae3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2148
- 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:2520

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
37KB

MD5
8c25a863998453306342a34ddc159bc4

SHA1
7714c151c493bbb5c719702ee9225274e05d7497

SHA256
7ff87bdc51c62107a8b8700af46ed5e55e8ecc80c16e3d6a068ff3b27797a324

SHA512
a6c5fedd6474bd8e1d48cfe56712199fa14a50e10808eb9c33fa1dcf66e4d445977e2be9f757a5ab89a3a5a01adedbbec73e2f42820d321902525cba63e19f0c

Download Submit
memory/2148-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2148-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2148-2-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2520-23-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download