6aa492f1199c23a6b568214960670c86b4e57c6c4b4c8861dd764c0c63dd6ed7

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
12/05/2024, 10:03

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General

Target

2024-05-12_2285d0a0920fca0146581728177561f0_cryptolocker.exe
Size

53KB
MD5

2285d0a0920fca0146581728177561f0
SHA1

832e0d9797df41657dc1a141376f7e0dbeae46e8
SHA256

6aa492f1199c23a6b568214960670c86b4e57c6c4b4c8861dd764c0c63dd6ed7
SHA512

f899432fc6f72b15810056777f4d43e95af1f6136f4c068af5841df0fc6e3afaa06a8169edacee22e0452fb100c46d2837cdf2e8c64fefea322fa0b1e6f6ee11
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIX6Es:aq7tdgI2MyzNORQtOflIwoHNV2XBFV79

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001227e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001227e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2300	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
1596	2024-05-12_2285d0a0920fca0146581728177561f0_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
1596	2024-05-12_2285d0a0920fca0146581728177561f0_cryptolocker.exe
2300	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 2300	1596	2024-05-12_2285d0a0920fca0146581728177561f0_cryptolocker.exe	28
PID 1596 wrote to memory of 2300	1596	2024-05-12_2285d0a0920fca0146581728177561f0_cryptolocker.exe	28
PID 1596 wrote to memory of 2300	1596	2024-05-12_2285d0a0920fca0146581728177561f0_cryptolocker.exe	28
PID 1596 wrote to memory of 2300	1596	2024-05-12_2285d0a0920fca0146581728177561f0_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-12_2285d0a0920fca0146581728177561f0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-12_2285d0a0920fca0146581728177561f0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1596
- 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:2300

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
53KB

MD5
7a31bb0a6377db9df80272f56ba79fff

SHA1
106c6b28cc7ca91898eeec1613e3ece55d6ed1fc

SHA256
7ddfd58d515bddfe28a6f77f5f6ad9d85dd0c61dd6a099448342b958d5c36afa

SHA512
6e03c38372fe7b87dd80796da1e886f444c72689ac21a568d4ee75a00a8ba055ecd275976f71c90bd27e06e57e3e3022d609ef740b2c47dc24659eb7c64e942c

Download Submit
memory/1596-0-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/1596-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1596-8-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2300-23-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download