048bc20e087e8d7496f5aa624be16c18b7d18a97cb886bc6a536dc2b2c1227fc

Analysis

max time kernel
133s
max time network
144s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/03/2024, 21:24

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General

Target

2024-03-15_0325c188152f7d2087bed40a0b87ad81_cryptolocker.exe
Size

48KB
MD5

0325c188152f7d2087bed40a0b87ad81
SHA1

8c2f6194de430c54053ddec206c0301281abe348
SHA256

048bc20e087e8d7496f5aa624be16c18b7d18a97cb886bc6a536dc2b2c1227fc
SHA512

5a21df44ea62ad352623242aafb87e65a9e6dca8bb10e2553aec2f45b27ff33c31f61dbbd439d3cc5b67a48c35cf1347b13ad27f70b044fccaea5622bd17ec5c
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr46xdUUuuMT8x:vj+jsMQMOtEvwDpj5Hczer5ixuMU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2252	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1968	2024-03-15_0325c188152f7d2087bed40a0b87ad81_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 1968 wrote to memory of 2252	1968	2024-03-15_0325c188152f7d2087bed40a0b87ad81_cryptolocker.exe	28
PID 1968 wrote to memory of 2252	1968	2024-03-15_0325c188152f7d2087bed40a0b87ad81_cryptolocker.exe	28
PID 1968 wrote to memory of 2252	1968	2024-03-15_0325c188152f7d2087bed40a0b87ad81_cryptolocker.exe	28
PID 1968 wrote to memory of 2252	1968	2024-03-15_0325c188152f7d2087bed40a0b87ad81_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-15_0325c188152f7d2087bed40a0b87ad81_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-15_0325c188152f7d2087bed40a0b87ad81_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2252

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
48KB

MD5
601043175ba8eaf09e18d37bb6895956

SHA1
13ab7dfa1a53e0423ee0aec53c5b78bbe8ec98d6

SHA256
7da169a121a446cb1e366f425df7702ff153f3e2111e465571cf632e21903213

SHA512
e7f04549e192a4c80f1794f2cd1ebbc9a8b10b07143786d01aea9027cc4d35774946e629765aeba697899bca0fd616b794a895a5f28e34cbe15f137ea3a10ae7

Download Submit
memory/1968-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1968-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1968-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2252-16-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2252-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download