fd13f2af97597eace10d5b889a6d63d29bf9feb0b6d157cabed4e854058e2a89

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23/02/2024, 10:52

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General

Target

2024-02-23_88c83747f0caf9e12dfbcdc25cfb76df_cryptolocker.exe
Size

59KB
MD5

88c83747f0caf9e12dfbcdc25cfb76df
SHA1

0584031e0ae0a11d0ace8a20751c3751c107a875
SHA256

fd13f2af97597eace10d5b889a6d63d29bf9feb0b6d157cabed4e854058e2a89
SHA512

ba141c9e18c5a914a4c8b17602ffa706316b157681340fb23e9180857506ef14f6a23c277def8d434c5541def40f7b9dd2ae27f219c59457d801a28975ae34ab
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj38lD/cMAT+lBOu:ZVxkGOtEvwDpjC

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012251-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2496	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2176	2024-02-23_88c83747f0caf9e12dfbcdc25cfb76df_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 2176 wrote to memory of 2496	2176	2024-02-23_88c83747f0caf9e12dfbcdc25cfb76df_cryptolocker.exe	28
PID 2176 wrote to memory of 2496	2176	2024-02-23_88c83747f0caf9e12dfbcdc25cfb76df_cryptolocker.exe	28
PID 2176 wrote to memory of 2496	2176	2024-02-23_88c83747f0caf9e12dfbcdc25cfb76df_cryptolocker.exe	28
PID 2176 wrote to memory of 2496	2176	2024-02-23_88c83747f0caf9e12dfbcdc25cfb76df_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-23_88c83747f0caf9e12dfbcdc25cfb76df_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-23_88c83747f0caf9e12dfbcdc25cfb76df_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2496

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
59KB

MD5
ac6cf850968a1f9eaa730563db257965

SHA1
b6f5154aa97c49a740fe0dc7a4e2799b5ea42915

SHA256
9fb626beef9999a2a2c6f2190deb1a68530c04eabc2f175c66b3e8cf41e94041

SHA512
597bc6eb54d17cba2435474e6badb647cc24815d8980860a4417848c7e3fdbf186129f6d39bbdc71b14e644448dc2b61a61ee49cccc2c8d77f230ce7e9a194a1

Download Submit
memory/2176-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2176-0-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2176-2-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2176-3-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2496-15-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2496-17-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download