924e65377b7b65ae4e0e3a838e935973591671c13d8c74204ff0ec7b846c2fa6

Analysis

max time kernel
132s
max time network
144s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-02-2024 18:44

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General

Target

2024-02-21_26afe21ab5ffa2a1d0d44967bdf7a445_cryptolocker.exe
Size

126KB
MD5

26afe21ab5ffa2a1d0d44967bdf7a445
SHA1

e91d04f0db0af1dbdc03beb62c4b805a4bb6ca4c
SHA256

924e65377b7b65ae4e0e3a838e935973591671c13d8c74204ff0ec7b846c2fa6
SHA512

e00f9690ec941b04bb459fad62d2395ea499ee48401a97a57de350742ed06f458f6a8e6ee5ebb2ddacb35b7ff63f78475d07ed481b0d7c89bb517a71885c066f
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpR/zV:vCA9OtEvwDpjT

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001222a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001222a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2612	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2752	2024-02-21_26afe21ab5ffa2a1d0d44967bdf7a445_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 2752 wrote to memory of 2612	2752	2024-02-21_26afe21ab5ffa2a1d0d44967bdf7a445_cryptolocker.exe	28
PID 2752 wrote to memory of 2612	2752	2024-02-21_26afe21ab5ffa2a1d0d44967bdf7a445_cryptolocker.exe	28
PID 2752 wrote to memory of 2612	2752	2024-02-21_26afe21ab5ffa2a1d0d44967bdf7a445_cryptolocker.exe	28
PID 2752 wrote to memory of 2612	2752	2024-02-21_26afe21ab5ffa2a1d0d44967bdf7a445_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-21_26afe21ab5ffa2a1d0d44967bdf7a445_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_26afe21ab5ffa2a1d0d44967bdf7a445_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2612

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\misid.exe

Filesize
126KB

MD5
f4431ba59a076abb00d43c6002811300

SHA1
3b951bd28c4a0613d3823007fd576453d1bdf456

SHA256
c8c2506a84093ab5ac0d53843c1acaf0a6ece1ea8bb621d15434ac8afa24c9ab

SHA512
a307108ea31d60bed013f339b5108559f2126171de843462dd3fcf5e04dbdcb199305f56da68826ce0c481fe2f10b00c0fe8deadd6ab55b5509f0a173083e1ca

Download Submit
memory/2612-15-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2612-16-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2752-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2752-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2752-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download