6b1970ca7513bc93c8fafa8603632ad403ece265e90ad12856e094b09bdf2dad

Analysis

max time kernel
140s
max time network
148s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
23/05/2024, 21:13

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General

Target

2024-05-23_b0626dcb8555133b8b707540803890ce_cryptolocker.exe
Size

96KB
MD5

b0626dcb8555133b8b707540803890ce
SHA1

ec7a956dfe6687ebfe5ef4cd973277f49f4b662d
SHA256

6b1970ca7513bc93c8fafa8603632ad403ece265e90ad12856e094b09bdf2dad
SHA512

3788c99c4e102c298cfb7f91dbeacf9a36493c956eae0f29036e0fa2b2fca1eb9dc4ed324d088ae0814d53e38a0993f4abd5cc10acbfa0ee5a1cbacada99d47f
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJY/:xj+VGMOtEvwDpjubwQEIiVmks/

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/files/0x000c000000015cb1-24.dat	CryptoLocker_rule2
behavioral1/memory/2216-16-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2196-15-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2196-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2216-26-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/files/0x000c000000015cb1-24.dat	CryptoLocker_set1
behavioral1/memory/2216-16-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2196-15-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2196-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2216-26-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral1/files/0x000c000000015cb1-24.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2216-16-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2196-15-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2196-0-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2216-26-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
2216	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2196	2024-05-23_b0626dcb8555133b8b707540803890ce_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2216	2196	2024-05-23_b0626dcb8555133b8b707540803890ce_cryptolocker.exe	28
PID 2196 wrote to memory of 2216	2196	2024-05-23_b0626dcb8555133b8b707540803890ce_cryptolocker.exe	28
PID 2196 wrote to memory of 2216	2196	2024-05-23_b0626dcb8555133b8b707540803890ce_cryptolocker.exe	28
PID 2196 wrote to memory of 2216	2196	2024-05-23_b0626dcb8555133b8b707540803890ce_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-23_b0626dcb8555133b8b707540803890ce_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-23_b0626dcb8555133b8b707540803890ce_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2216

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

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
96KB

MD5
9c643c6181364165e8b5ebe2db7a7816

SHA1
de0e2cd6f988c793c739d72290513a0b30f5d9b6

SHA256
e1a4ee1d3005f8f171c076cdae2604a0b672d1ab6613b217f22d12e80eef8e82

SHA512
d615e8d8e7b133614eea934e1543759575fb12410b9f9e39896ff8886f87c9f9bc459f99b4dc5e734baf4d5189a00d979cc5cae4a3ea574852ba393e18fc5706

Download Submit
memory/2196-9-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2196-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2196-2-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2196-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2196-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2216-25-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2216-18-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2216-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2216-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download