d3e0f37aa86f74eddb9e544330ca79d261cd95f2680fed235ac03836882242c5

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-02-2024 09:32

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General

Target

2024-02-22_1c6d091f06f2f9740b6ebd38bc290a88_cryptolocker.exe
Size

60KB
MD5

1c6d091f06f2f9740b6ebd38bc290a88
SHA1

90e18428b545ea2a1b72d221a5cd93131bae5a14
SHA256

d3e0f37aa86f74eddb9e544330ca79d261cd95f2680fed235ac03836882242c5
SHA512

169513815639cb583b51adbf71389e1772723fa69648df76453db10862883d7a6974a837da271588d0cf63ecf8f8c92e39504098648fd0025dc8a75d298dc7f7
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj38lD/cMAT+l/N2z:ZVxkGOtEvwDpjN

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001222c-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2012	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1100	2024-02-22_1c6d091f06f2f9740b6ebd38bc290a88_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 1100 wrote to memory of 2012	1100	2024-02-22_1c6d091f06f2f9740b6ebd38bc290a88_cryptolocker.exe	28
PID 1100 wrote to memory of 2012	1100	2024-02-22_1c6d091f06f2f9740b6ebd38bc290a88_cryptolocker.exe	28
PID 1100 wrote to memory of 2012	1100	2024-02-22_1c6d091f06f2f9740b6ebd38bc290a88_cryptolocker.exe	28
PID 1100 wrote to memory of 2012	1100	2024-02-22_1c6d091f06f2f9740b6ebd38bc290a88_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_1c6d091f06f2f9740b6ebd38bc290a88_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_1c6d091f06f2f9740b6ebd38bc290a88_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2012

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
60KB

MD5
04597fe132a1280ad8f4f9546075b1cc

SHA1
507d9261ba5985142f9e1c418a233d5d311c7fa1

SHA256
bd000951a182c0446d2fee78874e0bd93ceaaa5980b972f500ec622229d1ffd8

SHA512
1bdc3ee42719ef74df8f06dcad9ecca2c6e3c3506fa10e4bac8b639edff60c74a77ba526352868a9ca2b1f188cd0befbb5c08eb1d3315bdf9dfa82f26612919d

Download Submit
memory/1100-1-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/1100-0-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/1100-2-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/1100-3-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2012-16-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2012-24-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download