3482659ffc8221876eb7c3ca4f5d88b23910e7e8489659d3cf753d7f065e5fe3

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-02-2024 22:39

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General

Target

2024-02-19_6a06e2ddf7e29c83de508024d9c96000_cryptolocker.exe
Size

62KB
MD5

6a06e2ddf7e29c83de508024d9c96000
SHA1

4145c4aded7439315147cbe8516fa2eaceb2a70c
SHA256

3482659ffc8221876eb7c3ca4f5d88b23910e7e8489659d3cf753d7f065e5fe3
SHA512

d1dfd665707e76a33f413ef7b268f6fcefd54d7f42d782a402fb7ea5a15374cc43d67cab8501c52127196e5e3bf5884289b6bff97567ee77ca8107c5ebed18c6
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLZ/xEdt:X6a+SOtEvwDpjBrOO

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012262-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012262-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2436	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2068	2024-02-19_6a06e2ddf7e29c83de508024d9c96000_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 2068 wrote to memory of 2436	2068	2024-02-19_6a06e2ddf7e29c83de508024d9c96000_cryptolocker.exe	28
PID 2068 wrote to memory of 2436	2068	2024-02-19_6a06e2ddf7e29c83de508024d9c96000_cryptolocker.exe	28
PID 2068 wrote to memory of 2436	2068	2024-02-19_6a06e2ddf7e29c83de508024d9c96000_cryptolocker.exe	28
PID 2068 wrote to memory of 2436	2068	2024-02-19_6a06e2ddf7e29c83de508024d9c96000_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-19_6a06e2ddf7e29c83de508024d9c96000_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_6a06e2ddf7e29c83de508024d9c96000_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2436

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\asih.exe

Filesize
63KB

MD5
8b99c081fc04241f4b475dd7d7b15d5c

SHA1
7d04231e041dd3ef8ad60922b1d1fb63003b766c

SHA256
44afac0c4c0e36e896ae180f5c40a0973e7436004f39e0b2b08599bdba086ffb

SHA512
999a3db30e2f985713602b354c38affb6ff0db123a388ed9d3f603b15ed41a395195592a49e6fa7ab968b6a6371de6ccc9768d8bbc342be7cd73b518c82a64a9

Download Submit
memory/2068-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2068-2-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2068-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2436-15-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2436-17-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download