15d799f4d08ad4ea32db3a9342d6cd2479dc7102ce6eebe2213906af2e4246fc

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
09-06-2024 03:19

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General

Target

2024-06-09_f04a84c03a201bb5e3c5c6a039e4f3c5_cryptolocker.exe
Size

50KB
MD5

f04a84c03a201bb5e3c5c6a039e4f3c5
SHA1

bf786d5826775bc966e98933b313ce9c99b0ce0d
SHA256

15d799f4d08ad4ea32db3a9342d6cd2479dc7102ce6eebe2213906af2e4246fc
SHA512

e4bd22e7d505e2db9969264972ed8b7fe1d21589a126314d58bee9e88770edfe2e45bf84ffa63f56bea53573a0d201f20b1669c21bc22aa5a29644c4508e0486
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vdXfj:X6QFElP6n+gJBMOtEvwDpjBtEdXfj

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014323-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014323-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3040	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2416	2024-06-09_f04a84c03a201bb5e3c5c6a039e4f3c5_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 2416 wrote to memory of 3040	2416	2024-06-09_f04a84c03a201bb5e3c5c6a039e4f3c5_cryptolocker.exe	28
PID 2416 wrote to memory of 3040	2416	2024-06-09_f04a84c03a201bb5e3c5c6a039e4f3c5_cryptolocker.exe	28
PID 2416 wrote to memory of 3040	2416	2024-06-09_f04a84c03a201bb5e3c5c6a039e4f3c5_cryptolocker.exe	28
PID 2416 wrote to memory of 3040	2416	2024-06-09_f04a84c03a201bb5e3c5c6a039e4f3c5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-09_f04a84c03a201bb5e3c5c6a039e4f3c5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-09_f04a84c03a201bb5e3c5c6a039e4f3c5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3040

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
50KB

MD5
f503e13b4569dfda3994f09e5b5e10ea

SHA1
eace9a163deb30251b589112624d53c6cfda36d8

SHA256
749c0590f97d26286508e52c377c1923ea7f694961886e02ade3c7e2d4e69d84

SHA512
531351ca97c553a6b415a6b59110daefa37265a3a0932d7e09909a8eda21fa51c1e43659a917445ef39b14255cad243a112302a866fe81963d3391ca45069d8a

Download Submit
memory/2416-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2416-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2416-1-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/3040-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3040-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download