6e7f47573e703b98e1180daa6beea99a366ddb91dd5a316cc91670771d8d8f76

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
22-04-2024 07:25

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General

Target

2024-04-22_0478d90a4818085b4fec3a8be69481ed_cryptolocker.exe
Size

35KB
MD5

0478d90a4818085b4fec3a8be69481ed
SHA1

d8a43ace810dda424e73d59e05da95f64fd82c95
SHA256

6e7f47573e703b98e1180daa6beea99a366ddb91dd5a316cc91670771d8d8f76
SHA512

f63bd97b5d21e6d97427eb0936b61ea86207ac49f649c7e402c218201095cbb0a29abe3ed34338cd64388028a1124139edce4c7678aa039edbcf0f9b1b7d8653
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B0qEa:btB9g/WItCSsAGjX7r3BTN

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012252-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2316	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2108	2024-04-22_0478d90a4818085b4fec3a8be69481ed_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
2108	2024-04-22_0478d90a4818085b4fec3a8be69481ed_cryptolocker.exe
2316	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2316	2108	2024-04-22_0478d90a4818085b4fec3a8be69481ed_cryptolocker.exe	28
PID 2108 wrote to memory of 2316	2108	2024-04-22_0478d90a4818085b4fec3a8be69481ed_cryptolocker.exe	28
PID 2108 wrote to memory of 2316	2108	2024-04-22_0478d90a4818085b4fec3a8be69481ed_cryptolocker.exe	28
PID 2108 wrote to memory of 2316	2108	2024-04-22_0478d90a4818085b4fec3a8be69481ed_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-22_0478d90a4818085b4fec3a8be69481ed_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-22_0478d90a4818085b4fec3a8be69481ed_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2108
- 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:2316

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
b226fbbf04c445b9315db1c2e2d14ac3

SHA1
4a40aad5550e955b2d40df294a6931454b009cb0

SHA256
7a1eb5dd1ef2c124c66d4635e99ed61b72819f57598c6d63b56b1ae2a1919f60

SHA512
fe9fc95da14fb42a5697ac275062c267d0fa8128ce1575b5b0d4de3b23cfb8d62a47de9df0947cbf47909912e0a5e7b8aecbb5becdca7ecc3bbf41dc003ac247

Download Submit
memory/2108-0-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2108-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2108-8-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download