c0a322d4a0805ff3e54cdf8077fc1bed34d815daa5ddbc285b5b7c4e102da2d0

Analysis

max time kernel
140s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 00:13

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General

Target

c0a322d4a0805ff3e54cdf8077fc1bed34d815daa5ddbc285b5b7c4e102da2d0.exe
Size

204KB
MD5

163b398fd9777226dd725221d19f2876
SHA1

bf311b6573275f7fb127707b31c8024996f932cd
SHA256

c0a322d4a0805ff3e54cdf8077fc1bed34d815daa5ddbc285b5b7c4e102da2d0
SHA512

c56e6b76857ad55b4ac28ca4492baf846a55e9c3c568a792015ed93b27009bd9870023b702c42d1c730f19f64a7c9656c826ff3044379e1610409197987caf03
SSDEEP

1536:7fAiHwgicnislGltILYLU9KD02BBAdKJaPoYkwAgdIolq:7fQgicdlGvILcU9KQ2BBAkJaPxzIolq

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
3396	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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	c0a322d4a0805ff3e54cdf8077fc1bed34d815daa5ddbc285b5b7c4e102da2d0.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	c0a322d4a0805ff3e54cdf8077fc1bed34d815daa5ddbc285b5b7c4e102da2d0.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	c0a322d4a0805ff3e54cdf8077fc1bed34d815daa5ddbc285b5b7c4e102da2d0.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\73d2ee65\jusched.exe	c0a322d4a0805ff3e54cdf8077fc1bed34d815daa5ddbc285b5b7c4e102da2d0.exe
File created	C:\Program Files (x86)\73d2ee65\73d2ee65	c0a322d4a0805ff3e54cdf8077fc1bed34d815daa5ddbc285b5b7c4e102da2d0.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	c0a322d4a0805ff3e54cdf8077fc1bed34d815daa5ddbc285b5b7c4e102da2d0.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 4960 wrote to memory of 3396	4960	c0a322d4a0805ff3e54cdf8077fc1bed34d815daa5ddbc285b5b7c4e102da2d0.exe	80
PID 4960 wrote to memory of 3396	4960	c0a322d4a0805ff3e54cdf8077fc1bed34d815daa5ddbc285b5b7c4e102da2d0.exe	80
PID 4960 wrote to memory of 3396	4960	c0a322d4a0805ff3e54cdf8077fc1bed34d815daa5ddbc285b5b7c4e102da2d0.exe	80

C:\Users\Admin\AppData\Local\Temp\c0a322d4a0805ff3e54cdf8077fc1bed34d815daa5ddbc285b5b7c4e102da2d0.exe
"C:\Users\Admin\AppData\Local\Temp\c0a322d4a0805ff3e54cdf8077fc1bed34d815daa5ddbc285b5b7c4e102da2d0.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:4960
- C:\Program Files (x86)\73d2ee65\jusched.exe
  "C:\Program Files (x86)\73d2ee65\jusched.exe"
  2⤵
  - Executes dropped EXE
  PID:3396

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)\73d2ee65\73d2ee65

Filesize
17B

MD5
552bb86ed2797d3fd12ac0d273afaf75

SHA1
6e8633f9c24590779acbd3dd14c60f856320bc0a

SHA256
3ef9ff5da8272fd1b14c83f12c8d28fd9dbf32d56bcb714921032b02557fe789

SHA512
dab57227de02f4667cc8e2ec47566088b473caa0387caffbdfde37f3400da7d4f67dd222e83a4fa93592694bbcff7c52a2bcec074868baf221bc47d9370c8d2c

Download Submit
C:\Program Files (x86)\73d2ee65\jusched.exe

Filesize
204KB

MD5
0129fbe975b200b0548186629db91192

SHA1
16994baaebb32b823ee248e239103d8cf392d95f

SHA256
ed1e4b3cb3fe26e78a39fd6c3f84cd0279143574afc64e4742eb99da322b8c88

SHA512
45099ad1906577ff0a80adc8987e0e37f348d84bca2ecfcc14be8be86bf34dbb349978c55f69af6256e33af90b41131fac5cd50f8186b37251658a70a7f4f6a9

Download Submit
C:\Program Files (x86)\73d2ee65\jusched.exe

Filesize
204KB

MD5
0129fbe975b200b0548186629db91192

SHA1
16994baaebb32b823ee248e239103d8cf392d95f

SHA256
ed1e4b3cb3fe26e78a39fd6c3f84cd0279143574afc64e4742eb99da322b8c88

SHA512
45099ad1906577ff0a80adc8987e0e37f348d84bca2ecfcc14be8be86bf34dbb349978c55f69af6256e33af90b41131fac5cd50f8186b37251658a70a7f4f6a9

Download Submit