beadf7b78f9c1ac48dfe301475ca26fcdc704fef3401c1010d16d96cc061e409

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-05-2024 02:31

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General

Target

2024-05-20_69d30979f755baadfdd5153ba6c92389_cryptolocker.exe
Size

57KB
MD5

69d30979f755baadfdd5153ba6c92389
SHA1

43d0ac53e365120c8ebc60b375058e0c4e39f2ff
SHA256

beadf7b78f9c1ac48dfe301475ca26fcdc704fef3401c1010d16d96cc061e409
SHA512

05128217caa25c06400e8cb9d4041e1bb12c20a6a2399a71c6c07891736b0acb9266272220ec0bda8d579a2e41031d723507f7b1c051ecb80ab040578d8015ea
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5QJz7/e4M:6j+1NMOtEvwDpjr8oxExe4M

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/1976-1-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c000000014b27-11.dat	CryptoLocker_rule2
behavioral1/memory/2792-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1976-14-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2792-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/1976-1-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000c000000014b27-11.dat	CryptoLocker_set1
behavioral1/memory/2792-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1976-14-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2792-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral1/memory/1976-1-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000c000000014b27-11.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2792-16-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1976-14-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2792-26-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
2792	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1976	2024-05-20_69d30979f755baadfdd5153ba6c92389_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 1976 wrote to memory of 2792	1976	2024-05-20_69d30979f755baadfdd5153ba6c92389_cryptolocker.exe	28
PID 1976 wrote to memory of 2792	1976	2024-05-20_69d30979f755baadfdd5153ba6c92389_cryptolocker.exe	28
PID 1976 wrote to memory of 2792	1976	2024-05-20_69d30979f755baadfdd5153ba6c92389_cryptolocker.exe	28
PID 1976 wrote to memory of 2792	1976	2024-05-20_69d30979f755baadfdd5153ba6c92389_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-20_69d30979f755baadfdd5153ba6c92389_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-20_69d30979f755baadfdd5153ba6c92389_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2792

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\misid.exe

Filesize
57KB

MD5
bad1460211801eaa5e64c71352c014e8

SHA1
194341a3169529043ef0f4a74e2490fb4d5607ab

SHA256
4fe6d643fafef511a7f47fda36d6425e5426d6d8897e9040e5a5cd00b6b67729

SHA512
43c4a5c5d9ca31c58af34192902bea0c4244966340302faa41c4a93ae5315842e5191cc1be585a5c836f81bad0a37b1b81c08be8add4344880a984871b121f54

Download Submit
memory/1976-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1976-1-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1976-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1976-3-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1976-14-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2792-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2792-25-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2792-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download