8ad47c3faf0f7bece970caef52de50dd4ca2a8aa65686d5df25ebe55bef3f161

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-03-2024 04:09

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General

Target

2024-03-28_cfd113cceb19c04528d7431486f71a41_cryptolocker.exe
Size

77KB
MD5

cfd113cceb19c04528d7431486f71a41
SHA1

6f1b1de6e359fa50352936d1979ef25ffd391b17
SHA256

8ad47c3faf0f7bece970caef52de50dd4ca2a8aa65686d5df25ebe55bef3f161
SHA512

b288ad755319e451fce3d187500cab6785118f169047a71e7cff6cb198af6a344ecf047d29f8a280c4de95f8230679f600bb618e6c5113ed7a3fcbe0f5fb0faa
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3Kujd7:ZVxkGOtEvwDpjcaR

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012246-14.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2500	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2252	2024-03-28_cfd113cceb19c04528d7431486f71a41_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 2252 wrote to memory of 2500	2252	2024-03-28_cfd113cceb19c04528d7431486f71a41_cryptolocker.exe	28
PID 2252 wrote to memory of 2500	2252	2024-03-28_cfd113cceb19c04528d7431486f71a41_cryptolocker.exe	28
PID 2252 wrote to memory of 2500	2252	2024-03-28_cfd113cceb19c04528d7431486f71a41_cryptolocker.exe	28
PID 2252 wrote to memory of 2500	2252	2024-03-28_cfd113cceb19c04528d7431486f71a41_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-28_cfd113cceb19c04528d7431486f71a41_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_cfd113cceb19c04528d7431486f71a41_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2500

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\misid.exe

Filesize
77KB

MD5
3e41989d8c0714ca1d098e44073020a2

SHA1
172d6e49ffb02d6c32568bf4b56f636d01966e12

SHA256
bc624ae833993552dacc2c5c2666760551ec57dbc3bc8be7ab693ae2039d7535

SHA512
7f2afd7f9ca87fc9d1f54e93e6f0a3647df1c723a81757d04adf14731386b9ea0ea9d4035d5ae7833279f96554502c7bc54c5a00dfe81b51e96b057d760f5216

Download Submit
memory/2252-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2252-0-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2252-2-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2252-3-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2500-15-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2500-18-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2500-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download