97802164ca7ddf47698c335a423e43f33c186fa7817a4bc473c2dc267dd55851

Analysis

max time kernel
122s
max time network
134s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18-04-2024 23:24

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General

Target

2024-04-18_563f5cbd82755c84571357de308eaa0e_cryptolocker.exe
Size

34KB
MD5

563f5cbd82755c84571357de308eaa0e
SHA1

ca9e107c88b2222aae7ac0a0172ccb8e05a4f53d
SHA256

97802164ca7ddf47698c335a423e43f33c186fa7817a4bc473c2dc267dd55851
SHA512

a568d1f0c6df04549883d755c73f297b089d0115c5382bc5b59864d1c58a4e585825c15cad9af00903bf1771f1fee43ac3d1f0164178ba025ef848b4314208dd
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B0qc:btB9g/WItCSsAGjX7r3BTc

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000015c99-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1972	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2972	2024-04-18_563f5cbd82755c84571357de308eaa0e_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
2972	2024-04-18_563f5cbd82755c84571357de308eaa0e_cryptolocker.exe
1972	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 1972	2972	2024-04-18_563f5cbd82755c84571357de308eaa0e_cryptolocker.exe	28
PID 2972 wrote to memory of 1972	2972	2024-04-18_563f5cbd82755c84571357de308eaa0e_cryptolocker.exe	28
PID 2972 wrote to memory of 1972	2972	2024-04-18_563f5cbd82755c84571357de308eaa0e_cryptolocker.exe	28
PID 2972 wrote to memory of 1972	2972	2024-04-18_563f5cbd82755c84571357de308eaa0e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-18_563f5cbd82755c84571357de308eaa0e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-18_563f5cbd82755c84571357de308eaa0e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2972
- 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:1972

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
35KB

MD5
0b1ff225e5e57c9ead0d7c439ec8b666

SHA1
4c35c050ce1410a1b4acd3c2390fce4521c8517c

SHA256
4fbf29df503ddb9b0b1bd8c1fd02167d6e67fa8250e4546eadd2acb38c03c111

SHA512
e5855ea3acc1ee9d52e453c27bb13e406ae1c7faeebbce91659d746f5a599da815725f755a48c1e43d1be15673989a3f4a02f985c407fffe2b1b8f7f28d0c7ce

Download Submit
memory/1972-23-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2972-0-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2972-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2972-2-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download