6763634805738f21a45fdce94954e27572815608651394118a1bd4ef47a85230

Analysis

max time kernel
177s
max time network
190s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
02/08/2023, 18:14

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General

Target

3fbd2def5debc9b78f0e8c357895482a_cryptolocker_JC.exe
Size

117KB
MD5

3fbd2def5debc9b78f0e8c357895482a
SHA1

d8618cfb8c4f27c43f3a95ba6293a007b810c17a
SHA256

6763634805738f21a45fdce94954e27572815608651394118a1bd4ef47a85230
SHA512

0264b4da12fe8803b9497b232f38b041e36a09e0206a9f441395cfe8a02f7351ec1e40539e7c5ceab2be251ba7c0843476ec34039d48f42aea6e41b3f0fec250
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLU6:vCjsIOtEvwDpj5H9YvQd2q

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1428	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3008	3fbd2def5debc9b78f0e8c357895482a_cryptolocker_JC.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 3008 wrote to memory of 1428	3008	3fbd2def5debc9b78f0e8c357895482a_cryptolocker_JC.exe	29
PID 3008 wrote to memory of 1428	3008	3fbd2def5debc9b78f0e8c357895482a_cryptolocker_JC.exe	29
PID 3008 wrote to memory of 1428	3008	3fbd2def5debc9b78f0e8c357895482a_cryptolocker_JC.exe	29
PID 3008 wrote to memory of 1428	3008	3fbd2def5debc9b78f0e8c357895482a_cryptolocker_JC.exe	29

C:\Users\Admin\AppData\Local\Temp\3fbd2def5debc9b78f0e8c357895482a_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\3fbd2def5debc9b78f0e8c357895482a_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1428

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
117KB

MD5
8313fd4959c57d63ba2d4ce2f6b258e4

SHA1
3daf2b689ee2bcc1977062bc4a92608d17df3705

SHA256
6755127475b38bf7341f15cca284ff4f18cf49f7c68243064ef439ad1c0eb71c

SHA512
7cc152f15bb42a1004a817533d6b1cedc0a5a5ca53cebaa4d7bb18779c5e15dd5b597ccc4370b03028389a26e7c4c45d5a08f077b3b2967d4fa5251146f44e79

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

Filesize
117KB

MD5
8313fd4959c57d63ba2d4ce2f6b258e4

SHA1
3daf2b689ee2bcc1977062bc4a92608d17df3705

SHA256
6755127475b38bf7341f15cca284ff4f18cf49f7c68243064ef439ad1c0eb71c

SHA512
7cc152f15bb42a1004a817533d6b1cedc0a5a5ca53cebaa4d7bb18779c5e15dd5b597ccc4370b03028389a26e7c4c45d5a08f077b3b2967d4fa5251146f44e79

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

Filesize
117KB

MD5
8313fd4959c57d63ba2d4ce2f6b258e4

SHA1
3daf2b689ee2bcc1977062bc4a92608d17df3705

SHA256
6755127475b38bf7341f15cca284ff4f18cf49f7c68243064ef439ad1c0eb71c

SHA512
7cc152f15bb42a1004a817533d6b1cedc0a5a5ca53cebaa4d7bb18779c5e15dd5b597ccc4370b03028389a26e7c4c45d5a08f077b3b2967d4fa5251146f44e79

Download Submit
memory/1428-69-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/1428-70-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3008-54-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/3008-56-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/3008-55-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download