8e8706a95674340e43a4122c16a00479252a904cc3982a042921ab28e8be8c32

Analysis

max time kernel
151s
max time network
158s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 10:30

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General

Target

2024-03-12_460ff7ce88f8cca4c3c2517c7aca68b2_cryptolocker.exe
Size

61KB
MD5

460ff7ce88f8cca4c3c2517c7aca68b2
SHA1

a7f98bcb4097bad1730baf4bd9ebb96038a912a2
SHA256

8e8706a95674340e43a4122c16a00479252a904cc3982a042921ab28e8be8c32
SHA512

25ee58a34d7a0d8e49f3baa3400569e331633fd76ecb6e80c7e79f5df7c0a778c42beaf4f479a45c593c0b697522de2e6b016932bc82c48ac1f1c13e42b6362b
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2l9tMPvdg:TCjsIOtEvwDpj5HE/OUHnSMYp

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/844-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x0008000000012249-11.dat	CryptoLocker_rule2
behavioral1/memory/844-14-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2472-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2472-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/844-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x0008000000012249-11.dat	CryptoLocker_set1
behavioral1/memory/844-14-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2472-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2472-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2472	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
844	2024-03-12_460ff7ce88f8cca4c3c2517c7aca68b2_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 844 wrote to memory of 2472	844	2024-03-12_460ff7ce88f8cca4c3c2517c7aca68b2_cryptolocker.exe	28
PID 844 wrote to memory of 2472	844	2024-03-12_460ff7ce88f8cca4c3c2517c7aca68b2_cryptolocker.exe	28
PID 844 wrote to memory of 2472	844	2024-03-12_460ff7ce88f8cca4c3c2517c7aca68b2_cryptolocker.exe	28
PID 844 wrote to memory of 2472	844	2024-03-12_460ff7ce88f8cca4c3c2517c7aca68b2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_460ff7ce88f8cca4c3c2517c7aca68b2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_460ff7ce88f8cca4c3c2517c7aca68b2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:844
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2472

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
61KB

MD5
373780381521eeb02cc767dc303fbab6

SHA1
16f6c8a13c01cd5c098dc17b88dc8962e3081145

SHA256
9511b263cca0ade3e1836d2397b0ba5ad32dfb0088bb710a5b10c84d041930e8

SHA512
cc14350f45c21ffb89c01f3a8f787e1d3dfc136d5b79896efe16d79c1e251225be445f9d3b737e67f412c52ecf973c496b13662c534cd96dc19fcdba52aa6c7e

Download Submit
memory/844-1-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/844-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/844-2-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/844-3-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/844-15-0x00000000026C0000-0x00000000026CE000-memory.dmp

Filesize
56KB

Download
memory/844-14-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2472-17-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2472-19-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2472-21-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2472-27-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download