6aa08fd77274b2f93bf1e6fc9af48534032960c013467d77d237c765bd378405

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
24/05/2024, 22:44

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General

Target

2024-05-24_ab6fe2cf16d93fe341dc6b98f3a56610_cryptolocker.exe
Size

43KB
MD5

ab6fe2cf16d93fe341dc6b98f3a56610
SHA1

bd1dcc6f4c8fe55e58df529e965285df1fde70f0
SHA256

6aa08fd77274b2f93bf1e6fc9af48534032960c013467d77d237c765bd378405
SHA512

c4d9657d1c54727ee2184900cb50c47811b35f0211f076cd8444df8d1324cfb19a761fa476630e839ae183c803284eda77652ff8be1b813c92495732161321bf
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/CtXabM0h:6j+1NMOtEvwDpjrR2XabMu

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 3 IoCs

resource	yara_rule
behavioral1/memory/2468-8-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b00000001226e-11.dat	CryptoLocker_rule2
behavioral1/memory/2116-23-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 3 IoCs

resource	yara_rule
behavioral1/memory/2468-8-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000b00000001226e-11.dat	CryptoLocker_set1
behavioral1/memory/2116-23-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 3 IoCs

resource	yara_rule
behavioral1/memory/2468-8-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000b00000001226e-11.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2116-23-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
2116	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2468	2024-05-24_ab6fe2cf16d93fe341dc6b98f3a56610_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 2468 wrote to memory of 2116	2468	2024-05-24_ab6fe2cf16d93fe341dc6b98f3a56610_cryptolocker.exe	28
PID 2468 wrote to memory of 2116	2468	2024-05-24_ab6fe2cf16d93fe341dc6b98f3a56610_cryptolocker.exe	28
PID 2468 wrote to memory of 2116	2468	2024-05-24_ab6fe2cf16d93fe341dc6b98f3a56610_cryptolocker.exe	28
PID 2468 wrote to memory of 2116	2468	2024-05-24_ab6fe2cf16d93fe341dc6b98f3a56610_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-24_ab6fe2cf16d93fe341dc6b98f3a56610_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-24_ab6fe2cf16d93fe341dc6b98f3a56610_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2116

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
43KB

MD5
374d1aeb52beb78ca89607c7eba02d12

SHA1
92d85e627d9873ff9afd2e0ba819ec0ac6a7c953

SHA256
69f623faa0fcfcfb831ae7a9aa7b8bb1d54a2fa247ddc5dbe743ad528ffd3619

SHA512
51b5b5db995c4ad31a5d4e9018d3b2e7e6da681f3517d98f422f08e512d5a2d8229e62ab1b758ef3d83882bc1ba4347c49738f40579141aa9b7aad5a50f384fe

Download Submit
memory/2116-16-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2116-24-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2116-23-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2468-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2468-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2468-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2468-8-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download