7ed59f5ecc1111eb6536d722497901d863b74ce615e8a2cf8cb8b5f3a6de1a44

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/05/2024, 16:24

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General

Target

2024-05-29_1965bff05f12ff5665ebb33d1dbe4440_cryptolocker.exe
Size

63KB
MD5

1965bff05f12ff5665ebb33d1dbe4440
SHA1

430e5e2eda17e27b7886b148ea8adfefe121e57b
SHA256

7ed59f5ecc1111eb6536d722497901d863b74ce615e8a2cf8cb8b5f3a6de1a44
SHA512

8ee490c7d83c67b89479353314a06855c23beae770cbc59bebf50e9253a75e8242588713491b9c827fd7669a99ed30f86de2ab3c648158bb6fb190cf4499a415
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnxQ:btng54SMLr+/AO/kIhfoKMHdai

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000015c23-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1616	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2772	2024-05-29_1965bff05f12ff5665ebb33d1dbe4440_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
2772	2024-05-29_1965bff05f12ff5665ebb33d1dbe4440_cryptolocker.exe
1616	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 1616	2772	2024-05-29_1965bff05f12ff5665ebb33d1dbe4440_cryptolocker.exe	28
PID 2772 wrote to memory of 1616	2772	2024-05-29_1965bff05f12ff5665ebb33d1dbe4440_cryptolocker.exe	28
PID 2772 wrote to memory of 1616	2772	2024-05-29_1965bff05f12ff5665ebb33d1dbe4440_cryptolocker.exe	28
PID 2772 wrote to memory of 1616	2772	2024-05-29_1965bff05f12ff5665ebb33d1dbe4440_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-29_1965bff05f12ff5665ebb33d1dbe4440_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-29_1965bff05f12ff5665ebb33d1dbe4440_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2772
- 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:1616

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
63KB

MD5
a316543624e40c8c9c41ddc686ab27d6

SHA1
1e4868d48e0d4664da874a329a740dd08d298451

SHA256
0388a2dbf400cd7d9e7c3b2118e92dd63c433cfed6e21513dcedba4b1d9c9ca6

SHA512
dc5d6224039d8265be911b385073f45a37de61b78dda9bdadb664c910383b3e0fb07d56230cfba51e0a33519763fb268ff60248e8d884de1b70d0e909eba94c3

Download Submit
memory/1616-23-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2772-0-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2772-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2772-1-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download