5af446dbe2d5de25ac5508a23661ae826de2e6942b98069540d3bc65be4e4ac7

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
04/06/2024, 04:24

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General

Target

2024-06-04_05adeaeeba564c2f66b1941521d0c466_cryptolocker.exe
Size

44KB
MD5

05adeaeeba564c2f66b1941521d0c466
SHA1

8dd5818c2926c78127e29dc1d1dba9d31890e4f4
SHA256

5af446dbe2d5de25ac5508a23661ae826de2e6942b98069540d3bc65be4e4ac7
SHA512

225b1656a8218e582f86a21c1462bae76b5a7045adc1f88e4407bacf3673507d08bdec05a2f3130c70a4c5c800e23156b357cf41c10973148f0ed1815291f263
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aDi:6j+1NMOtEvwDpjrRV

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2436-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c000000012286-11.dat	CryptoLocker_rule2
behavioral1/memory/2436-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2704-25-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/2436-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000c000000012286-11.dat	CryptoLocker_set1
behavioral1/memory/2436-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2704-25-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

resource	yara_rule
behavioral1/memory/2436-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000c000000012286-11.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2436-15-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2704-25-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
2704	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2436	2024-06-04_05adeaeeba564c2f66b1941521d0c466_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 2436 wrote to memory of 2704	2436	2024-06-04_05adeaeeba564c2f66b1941521d0c466_cryptolocker.exe	28
PID 2436 wrote to memory of 2704	2436	2024-06-04_05adeaeeba564c2f66b1941521d0c466_cryptolocker.exe	28
PID 2436 wrote to memory of 2704	2436	2024-06-04_05adeaeeba564c2f66b1941521d0c466_cryptolocker.exe	28
PID 2436 wrote to memory of 2704	2436	2024-06-04_05adeaeeba564c2f66b1941521d0c466_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-04_05adeaeeba564c2f66b1941521d0c466_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-04_05adeaeeba564c2f66b1941521d0c466_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2704

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

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

Filesize
44KB

MD5
6f278b8dd3aa249d3fa061cdac119f13

SHA1
ef4d68bb6b061e78bee0a27e4d3c432bf140efaa

SHA256
215e67dfa2c2d5ffea1c0b95919503d065796109546ba4047186c07f36a53155

SHA512
690101859547683c68c6a15b9d1dbb929d96415769f883264767c72d72a27156401ae2e507a089c828a30e92cac8f6ab0bfab3e26bb2b2997026d6209c6527ca

Download Submit
memory/2436-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2436-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2436-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2436-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2436-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2704-17-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2704-25-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2704-24-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download