5de85157a53937c839746d6da94bac4dc873d268308a69fb7f123ec47041cccf

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/04/2024, 14:38

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General

Target

2024-04-08_00d9b9797dcda115aa56142a602de166_cryptolocker.exe
Size

44KB
MD5

00d9b9797dcda115aa56142a602de166
SHA1

e20520d0f13c90d8e65d1a7ea4e1fb662e5fec4f
SHA256

5de85157a53937c839746d6da94bac4dc873d268308a69fb7f123ec47041cccf
SHA512

3d55276c0200717776cb1c39f6abead81ec09f46efe3bf501aace1d6989729d07c9917b6081f668a7a45db0245fd58e0740447f96d8e68ac2657398da320c647
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunrkwIxZWQpyW:btB9g/WItCSsAGjX7e9N0hunrknljKr2

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012254-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2880	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2380	2024-04-08_00d9b9797dcda115aa56142a602de166_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
2380	2024-04-08_00d9b9797dcda115aa56142a602de166_cryptolocker.exe
2880	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2880	2380	2024-04-08_00d9b9797dcda115aa56142a602de166_cryptolocker.exe	28
PID 2380 wrote to memory of 2880	2380	2024-04-08_00d9b9797dcda115aa56142a602de166_cryptolocker.exe	28
PID 2380 wrote to memory of 2880	2380	2024-04-08_00d9b9797dcda115aa56142a602de166_cryptolocker.exe	28
PID 2380 wrote to memory of 2880	2380	2024-04-08_00d9b9797dcda115aa56142a602de166_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-08_00d9b9797dcda115aa56142a602de166_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-08_00d9b9797dcda115aa56142a602de166_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2380
- 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:2880

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
44KB

MD5
ddd1068384953eb2602935c2f329b1ef

SHA1
8d9b3b630c71872c6844775ef7b16f2c0fefba0e

SHA256
f01f79bf22801e9629c17d5435ef5a6b47fcc012607df605559470d556f5d383

SHA512
b500610bbaffd3d27453aaad195c2b424084bc3da521e444e3f2f5cbe02e945ed22a9926416ea8f8dd8bb8d139649e4abcd4443def2c54b81a1fc7fa07d07130

Download Submit
memory/2380-0-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2380-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2380-8-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download