66033f6735c3ffca820b7eaa1c893272133b821fef46261181d7586ff231abe3

Analysis

max time kernel
160s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2022, 03:53

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General

Target

66033f6735c3ffca820b7eaa1c893272133b821fef46261181d7586ff231abe3.exe
Size

188KB
MD5

7ab0da6cc60356e190160cf8bb3775f4
SHA1

7b6d121e8af6a65137386fa94ad38f7dddc7e042
SHA256

66033f6735c3ffca820b7eaa1c893272133b821fef46261181d7586ff231abe3
SHA512

47e46f036e5f1a33793dafb45565f0dc09142a613e8a21eb3622cd8c1c9b71ea49c45503cfbdbc2045e2b38f9aad6e165756e846fc50aaa80756b01c16e59d96
SSDEEP

1536:pvVte+7YkayZ+OttmxKLjWlSA8Zp5JAJjZSHoWHt:pvVteka8+OtAcKlSRz5XHoWN

Score

10^/10

persistence

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.tripod.com
Port:
21
Username:
onthelinux
Password:
741852abc

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2840	jusched.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	66033f6735c3ffca820b7eaa1c893272133b821fef46261181d7586ff231abe3.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	66033f6735c3ffca820b7eaa1c893272133b821fef46261181d7586ff231abe3.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	66033f6735c3ffca820b7eaa1c893272133b821fef46261181d7586ff231abe3.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\c3cb483b\jusched.exe	66033f6735c3ffca820b7eaa1c893272133b821fef46261181d7586ff231abe3.exe
File created	C:\Program Files (x86)\c3cb483b\c3cb483b	66033f6735c3ffca820b7eaa1c893272133b821fef46261181d7586ff231abe3.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	66033f6735c3ffca820b7eaa1c893272133b821fef46261181d7586ff231abe3.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 2840	4292	66033f6735c3ffca820b7eaa1c893272133b821fef46261181d7586ff231abe3.exe	78
PID 4292 wrote to memory of 2840	4292	66033f6735c3ffca820b7eaa1c893272133b821fef46261181d7586ff231abe3.exe	78
PID 4292 wrote to memory of 2840	4292	66033f6735c3ffca820b7eaa1c893272133b821fef46261181d7586ff231abe3.exe	78

C:\Users\Admin\AppData\Local\Temp\66033f6735c3ffca820b7eaa1c893272133b821fef46261181d7586ff231abe3.exe
"C:\Users\Admin\AppData\Local\Temp\66033f6735c3ffca820b7eaa1c893272133b821fef46261181d7586ff231abe3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4292
- C:\Program Files (x86)\c3cb483b\jusched.exe
  "C:\Program Files (x86)\c3cb483b\jusched.exe"
  2⤵
  - Executes dropped EXE
  PID:2840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\c3cb483b\c3cb483b

Filesize
17B

MD5
209aa6c14d66621f3aa1cee03a8bf5dc

SHA1
0f5bce2a29d3306586934b6d846a172078ee8e66

SHA256
57ef9e3c809cf3ca41782d4c7119c3ae7e43ccbb1c00d978b745677f14b82c2e

SHA512
8b9fb2bcc8e8785a48d3fe212f852c2f108ef2ab20e9e2a61e9bba5857002abe9111e42411bfc573e50c126031b7ef0433bddfa357de2ca0814f7d31157b9c63

Download Submit
C:\Program Files (x86)\c3cb483b\jusched.exe

Filesize
188KB

MD5
04da244087508d639da69bb3e5707a09

SHA1
67118ade77c90fe126c157bea050f6b3f2b9bbbb

SHA256
7de05abd68afc368ebc9f74b8d9673cc8360a7bcde9b363a524a67375b46dbf7

SHA512
a5806c6dc7aacdb6d9efac3d03d52586072bba06728724f0260cf7d88d4ca3f41e16e24c9810e2ca829ae9bf4aa43e046b734926a6c8b3d1a6db120e89830129

Download Submit
C:\Program Files (x86)\c3cb483b\jusched.exe

Filesize
188KB

MD5
04da244087508d639da69bb3e5707a09

SHA1
67118ade77c90fe126c157bea050f6b3f2b9bbbb

SHA256
7de05abd68afc368ebc9f74b8d9673cc8360a7bcde9b363a524a67375b46dbf7

SHA512
a5806c6dc7aacdb6d9efac3d03d52586072bba06728724f0260cf7d88d4ca3f41e16e24c9810e2ca829ae9bf4aa43e046b734926a6c8b3d1a6db120e89830129

Download Submit