53e5a1ebc8909a37735be6b7aa5826f641a5f459589af6708b29c058e0441bec

Analysis

max time kernel
133s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2022, 09:50

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General

Target

53e5a1ebc8909a37735be6b7aa5826f641a5f459589af6708b29c058e0441bec.exe
Size

483KB
MD5

fd5c85881f220f8b1e61417c412068eb
SHA1

3c055834527dd7d3dc064b452f98b42c307298b1
SHA256

53e5a1ebc8909a37735be6b7aa5826f641a5f459589af6708b29c058e0441bec
SHA512

3dbc64a8429f0f838bcdaf7572de4beee43039306c12b65627ac2fa432981aef9f3b8d2fb29ba4084e89c4050b4bf8bc16ca1fe723cc5a84ffe7e8ae5ce5bec8
SSDEEP

6144:2VTqrW9Q2dMtLrg4zhStfz1Sr8xgDsUh4zhStfz1NDsUh4zhSoZ:2V2rW9H+t3871Tot71NS

Score

10^/10

persistence

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.byethost12.com
Port:
21
Username:
b12_8082975
Password:
951753zx

Extracted

Credentials

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

Signatures

Executes dropped EXE 1 IoCs

pid	Process
224	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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	53e5a1ebc8909a37735be6b7aa5826f641a5f459589af6708b29c058e0441bec.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	53e5a1ebc8909a37735be6b7aa5826f641a5f459589af6708b29c058e0441bec.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	53e5a1ebc8909a37735be6b7aa5826f641a5f459589af6708b29c058e0441bec.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\8d2ac227\jusched.exe	53e5a1ebc8909a37735be6b7aa5826f641a5f459589af6708b29c058e0441bec.exe
File created	C:\Program Files (x86)\8d2ac227\8d2ac227	53e5a1ebc8909a37735be6b7aa5826f641a5f459589af6708b29c058e0441bec.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	53e5a1ebc8909a37735be6b7aa5826f641a5f459589af6708b29c058e0441bec.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 4844 wrote to memory of 224	4844	53e5a1ebc8909a37735be6b7aa5826f641a5f459589af6708b29c058e0441bec.exe	85
PID 4844 wrote to memory of 224	4844	53e5a1ebc8909a37735be6b7aa5826f641a5f459589af6708b29c058e0441bec.exe	85
PID 4844 wrote to memory of 224	4844	53e5a1ebc8909a37735be6b7aa5826f641a5f459589af6708b29c058e0441bec.exe	85

C:\Users\Admin\AppData\Local\Temp\53e5a1ebc8909a37735be6b7aa5826f641a5f459589af6708b29c058e0441bec.exe
"C:\Users\Admin\AppData\Local\Temp\53e5a1ebc8909a37735be6b7aa5826f641a5f459589af6708b29c058e0441bec.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:4844
- C:\Program Files (x86)\8d2ac227\jusched.exe
  "C:\Program Files (x86)\8d2ac227\jusched.exe"
  2⤵
  - Executes dropped EXE
  PID:224

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

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Downloads

C:\Program Files (x86)\8d2ac227\8d2ac227

Filesize
17B

MD5
209aa6c14d66621f3aa1cee03a8bf5dc

SHA1
0f5bce2a29d3306586934b6d846a172078ee8e66

SHA256
57ef9e3c809cf3ca41782d4c7119c3ae7e43ccbb1c00d978b745677f14b82c2e

SHA512
8b9fb2bcc8e8785a48d3fe212f852c2f108ef2ab20e9e2a61e9bba5857002abe9111e42411bfc573e50c126031b7ef0433bddfa357de2ca0814f7d31157b9c63

Download Submit
C:\Program Files (x86)\8d2ac227\jusched.exe

Filesize
483KB

MD5
fdf067ce8c16f0990024a9e5159cc0fb

SHA1
90d39b9cedbc6a5abcde87d0ad0a6c93adb1c747

SHA256
34c7bd1760ee5f674f9eb1a86eb4d73e571659dc95d7c40839237a9aa2eedc0c

SHA512
2e42cf5c10ff3aff4fe272b35146eb5fef368bf4f5612176ab7de7e662a0d724eeb9c686b384c605ad5b8a145fd4de0625417cd12cc9b7ea122bc96ece99cf9b

Download Submit
C:\Program Files (x86)\8d2ac227\jusched.exe

Filesize
483KB

MD5
fdf067ce8c16f0990024a9e5159cc0fb

SHA1
90d39b9cedbc6a5abcde87d0ad0a6c93adb1c747

SHA256
34c7bd1760ee5f674f9eb1a86eb4d73e571659dc95d7c40839237a9aa2eedc0c

SHA512
2e42cf5c10ff3aff4fe272b35146eb5fef368bf4f5612176ab7de7e662a0d724eeb9c686b384c605ad5b8a145fd4de0625417cd12cc9b7ea122bc96ece99cf9b

Download Submit
memory/224-137-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/224-139-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/4844-132-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/4844-136-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads