211cf57348f1ae9042783290767a8e868f61d6aaa1c563e25d751559a2eaa7fc

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 07:45

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General

Target

2024-03-26_28b0b4f834f539efd3bd3a5f6a088be7_cryptolocker.exe
Size

37KB
MD5

28b0b4f834f539efd3bd3a5f6a088be7
SHA1

2e9a75203777ac77b13df69eb6306082f9c6c43a
SHA256

211cf57348f1ae9042783290767a8e868f61d6aaa1c563e25d751559a2eaa7fc
SHA512

72b1739a44334698717824e53e076b174b1b179329f51eda40b48054ce63cb2794ea130cb2fad02f679f545b10b6d737b482bb9c886581237612f3f3a7e27574
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCpgv:X6QFElP6n+gJQMOtEvwDpjBmzDUpgv

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012247-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012247-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3016	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2868	2024-03-26_28b0b4f834f539efd3bd3a5f6a088be7_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 3016	2868	2024-03-26_28b0b4f834f539efd3bd3a5f6a088be7_cryptolocker.exe	28
PID 2868 wrote to memory of 3016	2868	2024-03-26_28b0b4f834f539efd3bd3a5f6a088be7_cryptolocker.exe	28
PID 2868 wrote to memory of 3016	2868	2024-03-26_28b0b4f834f539efd3bd3a5f6a088be7_cryptolocker.exe	28
PID 2868 wrote to memory of 3016	2868	2024-03-26_28b0b4f834f539efd3bd3a5f6a088be7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-26_28b0b4f834f539efd3bd3a5f6a088be7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_28b0b4f834f539efd3bd3a5f6a088be7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3016

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\asih.exe

Filesize
37KB

MD5
03fa9feaad4944d9fa812b3434b73d0b

SHA1
4d5dbdb8951b90387b7af738d809ab8fb7e658d3

SHA256
5d7e6856deddc6367cce7509c8ae1e31b2411d9ce5f0d68633d4b9027996bccc

SHA512
607ccb66301e9969c62df9fcf1da9af9d8c581d9a77c6190a5822da164a26ed5618c975c23a25221cd5424507c7024715dad219f20e832db78d360c7d29afc43

Download Submit
memory/2868-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2868-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2868-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/3016-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/3016-19-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download