dd665cfcaba829cb1e93e62c8bd452e9966193da83fa31332f348e801b277ee6

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/02/2024, 04:40

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General

Target

2024-02-24_51c6328be82ffc76f1b93e879782dbd5_cryptolocker.exe
Size

36KB
MD5

51c6328be82ffc76f1b93e879782dbd5
SHA1

9d79798a29af9f25fa294638722ec938980ffbbd
SHA256

dd665cfcaba829cb1e93e62c8bd452e9966193da83fa31332f348e801b277ee6
SHA512

a35d8c28f8c0bb9c63c678bf43fce1dc8c5a637da2a06e68e5e08119dee3b8db255f638b95750fe69ae2f0c2fcbf34cdf51e5aeceb7d48086f2c2675a35afa83
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunKUf1g:btB9g/WItCSsAGjX7e9N0hunKUe

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012302-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3032	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2400	2024-02-24_51c6328be82ffc76f1b93e879782dbd5_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
2400	2024-02-24_51c6328be82ffc76f1b93e879782dbd5_cryptolocker.exe
3032	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 3032	2400	2024-02-24_51c6328be82ffc76f1b93e879782dbd5_cryptolocker.exe	28
PID 2400 wrote to memory of 3032	2400	2024-02-24_51c6328be82ffc76f1b93e879782dbd5_cryptolocker.exe	28
PID 2400 wrote to memory of 3032	2400	2024-02-24_51c6328be82ffc76f1b93e879782dbd5_cryptolocker.exe	28
PID 2400 wrote to memory of 3032	2400	2024-02-24_51c6328be82ffc76f1b93e879782dbd5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-24_51c6328be82ffc76f1b93e879782dbd5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-24_51c6328be82ffc76f1b93e879782dbd5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2400
- 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:3032

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
b939068dfa7aa0148356d6209fe0baf0

SHA1
19e49040f85da0ea95b3d1f82861d71171595a90

SHA256
65363b558b512a1253099eeb77f9424e7b2e1893f7b22e8c54e81c7a1bf30d0f

SHA512
aa87aada67efd24b9df6b804750f89ae567513848d3da795e2214d98224c916838287ffffdb67e9b531e0dc0a328f34baf2853fef1d6e523f49916889f8de714

Download Submit
memory/2400-0-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2400-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2400-1-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/3032-23-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download