24680617c1d0896f1df95fb107afa144967c767240c167fb20b1f562d43ee98e

Analysis

max time kernel
149s
max time network
138s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
19-03-2024 17:41

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-19_7793d596fd35cbf5e62523f306948671_cryptolocker.exe
Size

64KB
MD5

7793d596fd35cbf5e62523f306948671
SHA1

dc430719c6d05b961ae7e5e4fec6702dc2447159
SHA256

24680617c1d0896f1df95fb107afa144967c767240c167fb20b1f562d43ee98e
SHA512

c963b2a03440079a02e991713c339fa68e390bf863ac3041fa2426260a760871373ceed5f209e8be896d1b64ca457e02833b48d66ce6e54f96fcb42365b42974
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVCbmhGQIp:V6a+pOtEvwDpjvi

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012352-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012352-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2764	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2944	2024-03-19_7793d596fd35cbf5e62523f306948671_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 2944 wrote to memory of 2764	2944	2024-03-19_7793d596fd35cbf5e62523f306948671_cryptolocker.exe	28
PID 2944 wrote to memory of 2764	2944	2024-03-19_7793d596fd35cbf5e62523f306948671_cryptolocker.exe	28
PID 2944 wrote to memory of 2764	2944	2024-03-19_7793d596fd35cbf5e62523f306948671_cryptolocker.exe	28
PID 2944 wrote to memory of 2764	2944	2024-03-19_7793d596fd35cbf5e62523f306948671_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-19_7793d596fd35cbf5e62523f306948671_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_7793d596fd35cbf5e62523f306948671_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2764

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
eb3b948edc7fe2c244176838b7a884b4

SHA1
9e9e08c8cea08ea45e71440c7b790dc0e7f40277

SHA256
75b1e093eb4a5ca88a2812f7b86497941c9bae11c813b7bbd0a88c50af84b0b6

SHA512
de553b33a77f1cc7ee454d71c879599362deea8cce70ac35e26e9c3650c976483ad8848994f42e33b58306ab72edc19db0bff71db406026931e587e377da8946

Download Submit
memory/2764-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2764-17-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2944-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2944-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2944-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download