9f553e7c4539469e59855134c3f3602d22b0b748bd3f285f806c029cfcedd0ff

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
30/04/2024, 05:04

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General

Target

2024-04-30_7b8cad10fac2988b85aa2293f811fd12_cryptolocker.exe
Size

52KB
MD5

7b8cad10fac2988b85aa2293f811fd12
SHA1

909a3592a6663cf4de9a02bd57e13917bc31b2bf
SHA256

9f553e7c4539469e59855134c3f3602d22b0b748bd3f285f806c029cfcedd0ff
SHA512

5eb2d14b09d7020eae419c78c2edb3558c9aa66512523821f45bf8c953c61bd0586114abf271cdb73b785ec316afed071e8562c12e83967a9a2d93f83ad51dea
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPhqlcnvhx5/xFRkHz:6j+1NMOtEvwDpjr8hhXiT

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2416-8-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c000000015cce-11.dat	CryptoLocker_rule2
behavioral1/memory/1708-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1708-25-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/2416-8-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000c000000015cce-11.dat	CryptoLocker_set1
behavioral1/memory/1708-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1708-25-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

resource	yara_rule
behavioral1/memory/2416-8-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000c000000015cce-11.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1708-15-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1708-25-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
1708	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2416	2024-04-30_7b8cad10fac2988b85aa2293f811fd12_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 2416 wrote to memory of 1708	2416	2024-04-30_7b8cad10fac2988b85aa2293f811fd12_cryptolocker.exe	28
PID 2416 wrote to memory of 1708	2416	2024-04-30_7b8cad10fac2988b85aa2293f811fd12_cryptolocker.exe	28
PID 2416 wrote to memory of 1708	2416	2024-04-30_7b8cad10fac2988b85aa2293f811fd12_cryptolocker.exe	28
PID 2416 wrote to memory of 1708	2416	2024-04-30_7b8cad10fac2988b85aa2293f811fd12_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-30_7b8cad10fac2988b85aa2293f811fd12_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-30_7b8cad10fac2988b85aa2293f811fd12_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1708

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
52KB

MD5
598f5d25303adf74b2dba291bfa2f024

SHA1
a0e6ad52b36d6e7761f46590e19e09a55bd849a3

SHA256
568605c7ce216b97489a6de6479a4247437b219179a980853dd68a00c726c34c

SHA512
2e4019bd56380d2d5dc5350ff44a3261155a992712d7dcd9ad8dff68ef58e25cb199743d5539641f91722c128a2d4ca23867bca8bc90ae7a6508984e7ed9e6e4

Download Submit
memory/1708-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1708-17-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1708-24-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1708-25-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2416-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2416-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2416-8-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2416-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download