bdd0b6357fff6008b07dc95633db5bd07a0f79ce9a4e3859053c77646fcb488a

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 19:28

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General

Target

2024-03-05_1a879c98810ebec9c517a0eb34679094_cryptolocker.exe
Size

162KB
MD5

1a879c98810ebec9c517a0eb34679094
SHA1

5ab7c800a3afcb1c46ce8a42b2b6c9f0abc1b205
SHA256

bdd0b6357fff6008b07dc95633db5bd07a0f79ce9a4e3859053c77646fcb488a
SHA512

0f8f54904a9661cbc20fecdea7e99ab74329bf2698c0580ef38c3059d2f73023ac52e6615c575dec35616fd2ff26c7c8a7f4021dae63d4904cda61dcb658b29f
SSDEEP

1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwNgp699GNtL1emF:u6a++OtEvwDpj6zU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3024	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2896	2024-03-05_1a879c98810ebec9c517a0eb34679094_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 2896 wrote to memory of 3024	2896	2024-03-05_1a879c98810ebec9c517a0eb34679094_cryptolocker.exe	28
PID 2896 wrote to memory of 3024	2896	2024-03-05_1a879c98810ebec9c517a0eb34679094_cryptolocker.exe	28
PID 2896 wrote to memory of 3024	2896	2024-03-05_1a879c98810ebec9c517a0eb34679094_cryptolocker.exe	28
PID 2896 wrote to memory of 3024	2896	2024-03-05_1a879c98810ebec9c517a0eb34679094_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-05_1a879c98810ebec9c517a0eb34679094_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-05_1a879c98810ebec9c517a0eb34679094_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3024

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
162KB

MD5
f4782042c2aa05a0069a28baf19b7f39

SHA1
760b2d7b790c94d326923dc67cf03d0ea1f7a89b

SHA256
d88543906915ebe6c55dba70450dbef25c1f022f9ac25378f908191086bdced2

SHA512
5126f96c4fb64fe4afaefb13c3ea78ee3ee2573f8fa4e3b406a773e03a7bfd1140ab7963e715acc3ba3f88b811fcb561681dc30d5ca2037e127ed3f8d6538241

Download Submit
memory/2896-0-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2896-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2896-2-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/3024-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/3024-20-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download