0cc307570b8f42ff05ec78a35c7b3239da4921385c61a7e47f1b3ec3ab791106

Analysis

max time kernel
135s
max time network
146s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 04:51

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General

Target

2024-05-24_f8ef4baf244e2bbb603a6551ec7474d4_cryptolocker.exe
Size

49KB
MD5

f8ef4baf244e2bbb603a6551ec7474d4
SHA1

62550d1d1d111ece9d574dcbd5ac212c9503a719
SHA256

0cc307570b8f42ff05ec78a35c7b3239da4921385c61a7e47f1b3ec3ab791106
SHA512

5ba873dbbd00c73727091efa050f758a3745eb5aaad0cddf394574f660d6dc7ec98b586243168ca5f05d8e522b63331c30edf1209d98b563286eda18c8e7a623
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vdXfj:X6QFElP6n+gJBMOtEvwDpjBtEdXfj

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001441e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001441e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2192	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1968	2024-05-24_f8ef4baf244e2bbb603a6551ec7474d4_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 1968 wrote to memory of 2192	1968	2024-05-24_f8ef4baf244e2bbb603a6551ec7474d4_cryptolocker.exe	28
PID 1968 wrote to memory of 2192	1968	2024-05-24_f8ef4baf244e2bbb603a6551ec7474d4_cryptolocker.exe	28
PID 1968 wrote to memory of 2192	1968	2024-05-24_f8ef4baf244e2bbb603a6551ec7474d4_cryptolocker.exe	28
PID 1968 wrote to memory of 2192	1968	2024-05-24_f8ef4baf244e2bbb603a6551ec7474d4_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-24_f8ef4baf244e2bbb603a6551ec7474d4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-24_f8ef4baf244e2bbb603a6551ec7474d4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2192

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
49KB

MD5
20ae71c7ae1e4c695ec0bc99c46aa46c

SHA1
ada311c8693da5ba2b6bbeac8adef3d1a4473482

SHA256
14be72d61e7118341968abe840839585facfd1b65c0df320b0417e84d4c2ed45

SHA512
4c6f86e2e9e4ea2bf94af8d80cc2741331babf96c7d39a0dd24767f3aced4d1e3b87a86fb66af78a6852bb3bb54d1da818905bc252bb9660c1ea63de75a5e5ca

Download Submit
memory/1968-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1968-2-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1968-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2192-22-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2192-15-0x0000000001CD0000-0x0000000001CD6000-memory.dmp

Filesize
24KB

Download