367ccdf710ba4671f01a079d26d7c916b22a618a532d682e9670cbcccb027966

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
27/05/2024, 04:44

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General

Target

2024-05-27_9b8622eb956606f25262d1efd12aabc4_cryptolocker.exe
Size

48KB
MD5

9b8622eb956606f25262d1efd12aabc4
SHA1

2ede5cee708cf5be8e81e5c171c75c7da306f6ba
SHA256

367ccdf710ba4671f01a079d26d7c916b22a618a532d682e9670cbcccb027966
SHA512

8a490d270e5ee5ed874fa1333cfc256b8440ef0d82033332d64f070e1a9b53b5f6b2bcd2ceea23127952f441a90200c9ce38338b2a7bc37a0f2fe55a499eb824
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9Rva/yYsmW:xj+VGMOtEvwDpjy+viHsv

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2080-8-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x0009000000012280-14.dat	CryptoLocker_rule2
behavioral1/memory/1924-15-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1924-25-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/2080-8-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x0009000000012280-14.dat	CryptoLocker_set1
behavioral1/memory/1924-15-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1924-25-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

resource	yara_rule
behavioral1/memory/2080-8-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x0009000000012280-14.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1924-15-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1924-25-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
1924	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2080	2024-05-27_9b8622eb956606f25262d1efd12aabc4_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 2080 wrote to memory of 1924	2080	2024-05-27_9b8622eb956606f25262d1efd12aabc4_cryptolocker.exe	28
PID 2080 wrote to memory of 1924	2080	2024-05-27_9b8622eb956606f25262d1efd12aabc4_cryptolocker.exe	28
PID 2080 wrote to memory of 1924	2080	2024-05-27_9b8622eb956606f25262d1efd12aabc4_cryptolocker.exe	28
PID 2080 wrote to memory of 1924	2080	2024-05-27_9b8622eb956606f25262d1efd12aabc4_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-27_9b8622eb956606f25262d1efd12aabc4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-27_9b8622eb956606f25262d1efd12aabc4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1924

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

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Downloads

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

Filesize
48KB

MD5
5e4f7cd0b2eb1a6cf8a963ece314aa36

SHA1
1efff1494edb34ef957af8e99b9392d90250421a

SHA256
59bb01a52b51da97bff1ff2927c2ddb71f91abd087adc5c747851e4e5584fced

SHA512
d1ad0e3f5e7b3de1f6aed8b1d7d46a29bd8016540a919bdb494fd56861858aff76a7098e317c45561f5fb4dbda86f12add7e6139ab48449e6e2cadc9e56d2456

Download Submit
memory/1924-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1924-17-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1924-24-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1924-25-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2080-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2080-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2080-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2080-8-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download