d7e652f4e22a9f2c90219de2fcb7973add6ece24534f4a043c69ad2e7655961d

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
31/05/2024, 00:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-05-31_53e3035c28366bc8a3a488a133c48b2a_cryptolocker.exe
Size

42KB
MD5

53e3035c28366bc8a3a488a133c48b2a
SHA1

09b0ad784447d82eced885b8b8d2afc9ef8d24b2
SHA256

d7e652f4e22a9f2c90219de2fcb7973add6ece24534f4a043c69ad2e7655961d
SHA512

a75a578c3fb7416b258f5a1acd1c6384bba91160b29a722c9aa6460663919637d4d14b7dfc93acbc163bfb3352ea96aa0d0857a082b27dccacb2a3d9033b3924
SSDEEP

768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvgpnY1n92:m5nkFNMOtEvwDpjG8hgpY192

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/1984-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c00000001450b-11.dat	CryptoLocker_rule2
behavioral1/memory/1984-13-0x0000000001EE0000-0x0000000001EEE000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1984-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2500-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 2 IoCs

resource	yara_rule
behavioral1/memory/1984-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2500-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral1/memory/1984-0-0x0000000000500000-0x000000000050E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000c00000001450b-11.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1984-13-0x0000000001EE0000-0x0000000001EEE000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1984-17-0x0000000000500000-0x000000000050E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2500-27-0x0000000000500000-0x000000000050E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
2500	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1984	2024-05-31_53e3035c28366bc8a3a488a133c48b2a_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 1984 wrote to memory of 2500	1984	2024-05-31_53e3035c28366bc8a3a488a133c48b2a_cryptolocker.exe	28
PID 1984 wrote to memory of 2500	1984	2024-05-31_53e3035c28366bc8a3a488a133c48b2a_cryptolocker.exe	28
PID 1984 wrote to memory of 2500	1984	2024-05-31_53e3035c28366bc8a3a488a133c48b2a_cryptolocker.exe	28
PID 1984 wrote to memory of 2500	1984	2024-05-31_53e3035c28366bc8a3a488a133c48b2a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-31_53e3035c28366bc8a3a488a133c48b2a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-31_53e3035c28366bc8a3a488a133c48b2a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2500

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

Loading Replay Monitor...

Downloads

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

Filesize
43KB

MD5
1ac466775f4d8c05493c2e57797368bc

SHA1
0110e68692941d60d73c31e651e1a1520144c444

SHA256
c4ecb5459a1e229a455ce8e67e1822fa86e4f266bdb4591eb4d3fb0195c0c97f

SHA512
b407cbb3c0f2dfc0626d4d44c07a447619fe468942c7651c13b2b36121be5cc1561f96759c594371b5f3d7cb36670c2fcf65cc1764b9f9a8d178ad58cd117c99

Download Submit
memory/1984-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1984-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1984-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1984-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1984-13-0x0000000001EE0000-0x0000000001EEE000-memory.dmp

Filesize
56KB

Download
memory/1984-17-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2500-27-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2500-26-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2500-19-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download