353b3d842eda5664e577145c27da0c6be956f729124ffbc14967e404d94d4d5a

Analysis

max time kernel
149s
max time network
138s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/03/2024, 11:29

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General

Target

2024-03-06_310145cfe8c218529a3fd896e3a316de_cryptolocker.exe
Size

47KB
MD5

310145cfe8c218529a3fd896e3a316de
SHA1

b2928bcd7dcfec1b3f711e458fd3b1f9b48e81fa
SHA256

353b3d842eda5664e577145c27da0c6be956f729124ffbc14967e404d94d4d5a
SHA512

c3d73ec533456cf91de1b02aa15911325a3fd49f8c43ee5581409a7e7c6494c34da318736564e43cfeca23165cf287a6d5de6adaa458d58f4784ed7afb50ee3c
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X3rtLSsYPkw8wnPng:V6QFElP6n+gMQMOtEvwDpjyaHaXvOsxp

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012257-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012257-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2972	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2676	2024-03-06_310145cfe8c218529a3fd896e3a316de_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 2676 wrote to memory of 2972	2676	2024-03-06_310145cfe8c218529a3fd896e3a316de_cryptolocker.exe	28
PID 2676 wrote to memory of 2972	2676	2024-03-06_310145cfe8c218529a3fd896e3a316de_cryptolocker.exe	28
PID 2676 wrote to memory of 2972	2676	2024-03-06_310145cfe8c218529a3fd896e3a316de_cryptolocker.exe	28
PID 2676 wrote to memory of 2972	2676	2024-03-06_310145cfe8c218529a3fd896e3a316de_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-06_310145cfe8c218529a3fd896e3a316de_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-06_310145cfe8c218529a3fd896e3a316de_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2972

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

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

Filesize
47KB

MD5
faa49530325339e77c7210bab82ecfa6

SHA1
98fbce2ef279babed430b3a5925c236638babcfb

SHA256
9d4306a681692f836e11309651f8bbedad9d5907720a3e9375793c3e6f2657cd

SHA512
777e5b6cb829829bef4fd2aafc142a86b985ec9abe1781c60ee072e7059caac1ba7bebb2b6d76573a0a74389a7efdde7b8f2dd05b4fd2fe4c18500621f8aa8ca

Download Submit
memory/2676-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2676-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2676-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2972-16-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2972-15-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download