7c0439b3feffecde6a31651248bd11584614189d18dc4f20942d04ca68ee8a4a

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 00:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-05-23_364296a05beaaf312154f867cd017d5e_cryptolocker.exe
Size

96KB
MD5

364296a05beaaf312154f867cd017d5e
SHA1

e7916c4c8c9cf2913b6d106203932d6ff586be0a
SHA256

7c0439b3feffecde6a31651248bd11584614189d18dc4f20942d04ca68ee8a4a
SHA512

dc66f425471212c67350b91d1b192a99c27109f1238bf20bd7f218f151d15fff46124aa4e8a36568dac7dc031b04abe5ecbc979e378019a4f28ce8e96313d3e2
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvAcP:xj+VGMOtEvwDpjubwQEI8UtzNcO8AcP

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2204-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2
behavioral1/memory/2204-13-0x00000000005F0000-0x0000000000600000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2204-16-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2540-26-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2204-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1
behavioral1/memory/2204-13-0x00000000005F0000-0x0000000000600000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2204-16-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2540-26-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2204-0-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
\Users\Admin\AppData\Local\Temp\misid.exe	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2204-13-0x00000000005F0000-0x0000000000600000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2204-16-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2540-26-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

2540 misid.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-23_364296a05beaaf312154f867cd017d5e_cryptolocker.exe

pid process

2204 2024-05-23_364296a05beaaf312154f867cd017d5e_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2540	misid.exe

pid	process
2204	2024-05-23_364296a05beaaf312154f867cd017d5e_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-23_364296a05beaaf312154f867cd017d5e_cryptolocker.exe

description	pid	process	target process
PID 2204 wrote to memory of 2540	2204	2024-05-23_364296a05beaaf312154f867cd017d5e_cryptolocker.exe	misid.exe
PID 2204 wrote to memory of 2540	2204	2024-05-23_364296a05beaaf312154f867cd017d5e_cryptolocker.exe	misid.exe
PID 2204 wrote to memory of 2540	2204	2024-05-23_364296a05beaaf312154f867cd017d5e_cryptolocker.exe	misid.exe
PID 2204 wrote to memory of 2540	2204	2024-05-23_364296a05beaaf312154f867cd017d5e_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-23_364296a05beaaf312154f867cd017d5e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-23_364296a05beaaf312154f867cd017d5e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2204

C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
2⤵
- Executes dropped EXE
PID:2540

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
96KB

MD5
c9d7a031737b075ce0a6f5c14c9de2f3

SHA1
8ca2776010706f8edd86a17fb470244b16fff900

SHA256
27992150998f32e8e75c001f41b606065622972db6574b7cc0212858bb73aba8

SHA512
a4a007fe45f12dfd2425ab79a9ecebee4842932de06d8dea8cca591996447ee5b786d4640fe6ce248c2340870c171b317019903b5fca12b5d9d0818207c352d0

Download Submit
memory/2204-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2204-9-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2204-1-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2204-2-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2204-13-0x00000000005F0000-0x0000000000600000-memory.dmp

Filesize
64KB

Download
memory/2204-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2540-18-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/2540-25-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2540-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download