644608d5d1537078dd06edba111e3e2ab1ae8b8757c557d9ee59a63461fc0371

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
17/02/2024, 13:42

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General

Target

2024-02-17_0aefc59ab7c0a1173dd73f20e8806681_cryptolocker.exe
Size

60KB
MD5

0aefc59ab7c0a1173dd73f20e8806681
SHA1

4a31be277d0d002e23afe1e3537b59244cd692e3
SHA256

644608d5d1537078dd06edba111e3e2ab1ae8b8757c557d9ee59a63461fc0371
SHA512

9d0daf0b7d668b5ad21984f8ddf35014a878a769d7cf31f9332a948268efad5c741d453eae8d3c252800b4671e171fe8a79e7a8992b47b4633b91c4eca20681a
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHNe:btng54SMLr+/AO/kIhfoKMHdh

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0007000000012264-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2420	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2008	2024-02-17_0aefc59ab7c0a1173dd73f20e8806681_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2008	2024-02-17_0aefc59ab7c0a1173dd73f20e8806681_cryptolocker.exe
2420	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 2420	2008	2024-02-17_0aefc59ab7c0a1173dd73f20e8806681_cryptolocker.exe	28
PID 2008 wrote to memory of 2420	2008	2024-02-17_0aefc59ab7c0a1173dd73f20e8806681_cryptolocker.exe	28
PID 2008 wrote to memory of 2420	2008	2024-02-17_0aefc59ab7c0a1173dd73f20e8806681_cryptolocker.exe	28
PID 2008 wrote to memory of 2420	2008	2024-02-17_0aefc59ab7c0a1173dd73f20e8806681_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-17_0aefc59ab7c0a1173dd73f20e8806681_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-17_0aefc59ab7c0a1173dd73f20e8806681_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2420

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\gewos.exe

Filesize
60KB

MD5
ab106a1d5d1824f8be625d2bfa835d7f

SHA1
32769d6ead5cca602a46c3b3c3e9229e88a4bbf6

SHA256
472f9943185fbc30cd4685a3c0333af3750ab45c6c4cd4da4e2c79d0f5ba5616

SHA512
bed75b8b91d39d60a63b6acce72a0ee83493fa211c23b137c132ae6ac57092a500351963972261d4128594e942102308ff49f1d84627abb83aa656d1d2661e5c

Download Submit
memory/2008-0-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2008-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2008-2-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2420-18-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download