32c96bdad6ea30e0097377991cf8bc037538549cf8da24f42c269f681ead8408

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/04/2024, 15:02

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General

Target

2024-04-16_e4b09c0548b9d530b18a5b78d08d6461_cryptolocker.exe
Size

66KB
MD5

e4b09c0548b9d530b18a5b78d08d6461
SHA1

52e29a1955b0ad61a3191c9de4dc2b7eb395e93f
SHA256

32c96bdad6ea30e0097377991cf8bc037538549cf8da24f42c269f681ead8408
SHA512

441a5cc00a1174e03c975a31823faf0a4cb2e658b79e7ed7b68664c8b354247feedd06aac3c31f7abb1f1ffcd68d2b5e4ad08f6da004ce84fd42fb503fb86c16
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLN:aq7tdgI2MyzNORQtOflIwoHNV2XBFV70

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001224c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001224c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2932	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2964	2024-04-16_e4b09c0548b9d530b18a5b78d08d6461_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
2964	2024-04-16_e4b09c0548b9d530b18a5b78d08d6461_cryptolocker.exe
2932	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 2932	2964	2024-04-16_e4b09c0548b9d530b18a5b78d08d6461_cryptolocker.exe	28
PID 2964 wrote to memory of 2932	2964	2024-04-16_e4b09c0548b9d530b18a5b78d08d6461_cryptolocker.exe	28
PID 2964 wrote to memory of 2932	2964	2024-04-16_e4b09c0548b9d530b18a5b78d08d6461_cryptolocker.exe	28
PID 2964 wrote to memory of 2932	2964	2024-04-16_e4b09c0548b9d530b18a5b78d08d6461_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-16_e4b09c0548b9d530b18a5b78d08d6461_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-16_e4b09c0548b9d530b18a5b78d08d6461_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2932

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\hurok.exe

Filesize
67KB

MD5
5d77bc26e2154d45c1709158f3ff95fa

SHA1
efadf2a0e7c0be58bc872b1c3b92eccc842ab351

SHA256
c0c87af564ccfa7ab9c9132f665e0a5849a33d137bee07edcb89c4310f9e2add

SHA512
a8b2a6f6fac9c21fb91aa291d63244b58ea33be529db0bcad1f7ab9f5c3e0bfe55468a251e31ae6c59e5cb275af1306c96ea2bedacb9fc00f22e96fe420b6ada

Download Submit
memory/2964-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2964-2-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2964-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download