ff2e6f89da73329998849447ae3d148f4db6f6fdd14aa301a577127d00d4172f

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/05/2024, 06:50

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General

Target

2024-05-16_5815f605287d786a6f17409e69987b44_cryptolocker.exe
Size

63KB
MD5

5815f605287d786a6f17409e69987b44
SHA1

3219cab6a79f8e597a79dd3238733f47486e2a60
SHA256

ff2e6f89da73329998849447ae3d148f4db6f6fdd14aa301a577127d00d4172f
SHA512

b9581538503d2875c498a9795c56dbe9574a8eb93152da5326253ff8473446cb02ef7f4e2771b4d5639a408f6a876a580dbf9933c49ce08d67a1937daceb52fd
SSDEEP

768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG9n:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxWOD

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/3048-1-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/3048-13-0x0000000002A80000-0x0000000002A8B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000d00000001232e-15.dat	CryptoLocker_rule2
behavioral1/memory/2332-25-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/3048-1-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/3048-13-0x0000000002A80000-0x0000000002A8B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000d00000001232e-15.dat	CryptoLocker_set1
behavioral1/memory/2332-25-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2332	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3048	2024-05-16_5815f605287d786a6f17409e69987b44_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 3048 wrote to memory of 2332	3048	2024-05-16_5815f605287d786a6f17409e69987b44_cryptolocker.exe	28
PID 3048 wrote to memory of 2332	3048	2024-05-16_5815f605287d786a6f17409e69987b44_cryptolocker.exe	28
PID 3048 wrote to memory of 2332	3048	2024-05-16_5815f605287d786a6f17409e69987b44_cryptolocker.exe	28
PID 3048 wrote to memory of 2332	3048	2024-05-16_5815f605287d786a6f17409e69987b44_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-16_5815f605287d786a6f17409e69987b44_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-16_5815f605287d786a6f17409e69987b44_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2332

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

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

Filesize
63KB

MD5
5c01c2bb4eac1f461e9d96f97c534b3e

SHA1
462e3a2c679e409d01355f85037b8d4d094b06c1

SHA256
2f9bb59f5b24e9ec14dd8a70aa7509c9b3f745913bd83b29a8fde668b31ff157

SHA512
2ec48a2ef1a78d38e1bfa0acb566d7946aa8e9b46488e9d1abbc6a7e5e9bf5bc109810d748e8d9b76420e52504cc115a06fcab8bbf967d49f5ef72321de399cd

Download Submit
memory/2332-24-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2332-17-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2332-25-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3048-1-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3048-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3048-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3048-3-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/3048-13-0x0000000002A80000-0x0000000002A8B000-memory.dmp

Filesize
44KB

Download