91639ee6ed3d5babd1b9bb70396367abcaa06b7d958114656daa8659ed754bb4

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
19/02/2024, 16:36

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General

Target

2024-02-19_5d1e36a8e77c2f65db7764ca22dda23d_cryptolocker.exe
Size

123KB
MD5

5d1e36a8e77c2f65db7764ca22dda23d
SHA1

2e673cf5837493923549ee13c7d597ee39d497e3
SHA256

91639ee6ed3d5babd1b9bb70396367abcaa06b7d958114656daa8659ed754bb4
SHA512

5bcb8120bb6310f69068a0c3b660d502c5cc10978873447bee70874246f14c5cdc89a23b469667e7d1d34c501b3e0776fc63de9bc97ab49ba3a53c2f709922cb
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxE4b:vCA9OtEvwDpj6

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000015626-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000015626-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3004	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2232	2024-02-19_5d1e36a8e77c2f65db7764ca22dda23d_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 2232 wrote to memory of 3004	2232	2024-02-19_5d1e36a8e77c2f65db7764ca22dda23d_cryptolocker.exe	28
PID 2232 wrote to memory of 3004	2232	2024-02-19_5d1e36a8e77c2f65db7764ca22dda23d_cryptolocker.exe	28
PID 2232 wrote to memory of 3004	2232	2024-02-19_5d1e36a8e77c2f65db7764ca22dda23d_cryptolocker.exe	28
PID 2232 wrote to memory of 3004	2232	2024-02-19_5d1e36a8e77c2f65db7764ca22dda23d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-19_5d1e36a8e77c2f65db7764ca22dda23d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_5d1e36a8e77c2f65db7764ca22dda23d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3004

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
123KB

MD5
11d3c1173b1aef8761887ec0c1279a24

SHA1
f5baec0fc0c6921cab6ce2aa9dfdb826cc703370

SHA256
5ec46c2f18f2b989a6ff5d3a793f38ead95be22cfc535f16aca8295bfd7304a8

SHA512
cfb0de071ad8c65fbfcdfc471b619a600d2308d7f7aa210944f070f142f32f53f9c9410e7181e3c2006c1346de3154379165d88f2ccac79aad1e1b927dc05923

Download Submit
memory/2232-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2232-1-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2232-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3004-16-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3004-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download