c65c1328067bede0230b150318c41eb9a756436ccbb4b714f8e36532ec101721

Analysis

max time kernel
194s
max time network
208s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 20:43

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General

Target

c65c1328067bede0230b150318c41eb9a756436ccbb4b714f8e36532ec101721.exe
Size

188KB
MD5

335f407938eb2f8fc6bc6bf0d2e7df60
SHA1

8444dd3562c1a37cd3a0939c82358b2c9936107e
SHA256

c65c1328067bede0230b150318c41eb9a756436ccbb4b714f8e36532ec101721
SHA512

d0dffd2702d55ef2a58c3b958437d1400d8552174252130789c79a342fe0c4d8b0c2ccf28908c05597740c5df6099708ab0610a1c0b8d1649db9b9b5f5230ba5
SSDEEP

1536:/vVQb4cLIkN+4Weat2RKLjWlC48Pp9JAcj6Srow0f:/vVQLIkLWeaA8KlCph97row0f

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
1736	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	c65c1328067bede0230b150318c41eb9a756436ccbb4b714f8e36532ec101721.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	c65c1328067bede0230b150318c41eb9a756436ccbb4b714f8e36532ec101721.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	c65c1328067bede0230b150318c41eb9a756436ccbb4b714f8e36532ec101721.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\3a8e8dfb\jusched.exe	c65c1328067bede0230b150318c41eb9a756436ccbb4b714f8e36532ec101721.exe
File created	C:\Program Files (x86)\3a8e8dfb\3a8e8dfb	c65c1328067bede0230b150318c41eb9a756436ccbb4b714f8e36532ec101721.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	c65c1328067bede0230b150318c41eb9a756436ccbb4b714f8e36532ec101721.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 4288 wrote to memory of 1736	4288	c65c1328067bede0230b150318c41eb9a756436ccbb4b714f8e36532ec101721.exe	80
PID 4288 wrote to memory of 1736	4288	c65c1328067bede0230b150318c41eb9a756436ccbb4b714f8e36532ec101721.exe	80
PID 4288 wrote to memory of 1736	4288	c65c1328067bede0230b150318c41eb9a756436ccbb4b714f8e36532ec101721.exe	80

C:\Users\Admin\AppData\Local\Temp\c65c1328067bede0230b150318c41eb9a756436ccbb4b714f8e36532ec101721.exe
"C:\Users\Admin\AppData\Local\Temp\c65c1328067bede0230b150318c41eb9a756436ccbb4b714f8e36532ec101721.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:4288
- C:\Program Files (x86)\3a8e8dfb\jusched.exe
  "C:\Program Files (x86)\3a8e8dfb\jusched.exe"
  2⤵
  - Executes dropped EXE
  PID:1736

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)\3a8e8dfb\3a8e8dfb

Filesize
17B

MD5
7bdf61d37c9adf3e1c6937107016091f

SHA1
56b8e0c454f9dd16d508a04b3afa7e458453ac41

SHA256
4c57d86c256214baa0a5a3322ef5cdd575210455b7e964ad60382bd9d4be12e0

SHA512
ff4fc1a427c84f47042375749f45ee6edea73b902ae977f14243ebceb7b9a28f41fe5dd404e3ea381754d9122202bc6b61ed0152b20a1c1be76c225dd20861d1

Download Submit
C:\Program Files (x86)\3a8e8dfb\jusched.exe

Filesize
188KB

MD5
09ecfe74fe8742e7d0df8247d9a44720

SHA1
f2f7edee4a9c96d57bbfafd549c9537e5d0ee9d5

SHA256
8f79c6df8e6fd3e753cfcccd5d374553a482e4e04ffce5d37a0857204d6ab1eb

SHA512
6705c46babea5b9b039b4430e21047e81fc3d24a63641206fa524d97806798c107ede12e10fd789293594b7cfb4084d69575bca9eea4703ef39a25e0ae963d5b

Download Submit
C:\Program Files (x86)\3a8e8dfb\jusched.exe

Filesize
188KB

MD5
09ecfe74fe8742e7d0df8247d9a44720

SHA1
f2f7edee4a9c96d57bbfafd549c9537e5d0ee9d5

SHA256
8f79c6df8e6fd3e753cfcccd5d374553a482e4e04ffce5d37a0857204d6ab1eb

SHA512
6705c46babea5b9b039b4430e21047e81fc3d24a63641206fa524d97806798c107ede12e10fd789293594b7cfb4084d69575bca9eea4703ef39a25e0ae963d5b

Download Submit