c2bec0bd4a2412dfd55626fcaac9daeffb78b369ca08efab6418394cf46c591f

Analysis

max time kernel
117s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/02/2024, 11:49

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General

Target

2024-02-18_66de091b644b687b0ab50c237b306cc0_cryptolocker.exe
Size

35KB
MD5

66de091b644b687b0ab50c237b306cc0
SHA1

c14c8c35abb3aa99ed124846d77b1b8d716b0c57
SHA256

c2bec0bd4a2412dfd55626fcaac9daeffb78b369ca08efab6418394cf46c591f
SHA512

a1ff0e4b8020f297e3a591ad60ac021659f52b2a6419bbfb49cbe2d3490262ae006451671d2e7ed2df14392755efd852c91748272a60994f91a7c89acfffab02
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunKzHX:btB9g/WItCSsAGjX7e9N0hunKLX

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012238-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1372	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2212	2024-02-18_66de091b644b687b0ab50c237b306cc0_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
2212	2024-02-18_66de091b644b687b0ab50c237b306cc0_cryptolocker.exe
1372	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 1372	2212	2024-02-18_66de091b644b687b0ab50c237b306cc0_cryptolocker.exe	28
PID 2212 wrote to memory of 1372	2212	2024-02-18_66de091b644b687b0ab50c237b306cc0_cryptolocker.exe	28
PID 2212 wrote to memory of 1372	2212	2024-02-18_66de091b644b687b0ab50c237b306cc0_cryptolocker.exe	28
PID 2212 wrote to memory of 1372	2212	2024-02-18_66de091b644b687b0ab50c237b306cc0_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-18_66de091b644b687b0ab50c237b306cc0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_66de091b644b687b0ab50c237b306cc0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2212
- 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:1372

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
36KB

MD5
01746febdd587e2144d44db7e9a719d8

SHA1
d029b7a61ed7cc11711c6b71220c0b01d2c16bcc

SHA256
40dde471e0aae79845bfa3c6a281bcc2a634c067c7ef70bf30565a997c25fe24

SHA512
237b76f808f2d2349de444ec0e55bd7e2bac4e77d124a5eecfcf310ea766c0e7d060dbc0008c6dfe52248a3cfd2b4775db54861147fd72a23e236a4ea9893bee

Download Submit
memory/1372-18-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2212-0-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2212-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2212-3-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download