89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537

Analysis

max time kernel
172s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 00:35

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General

Target

89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe
Size

270KB
MD5

274a75731edc8dd17cac8824c7cfdc10
SHA1

305a8c443a4109731d659db046c9e99f40d31db0
SHA256

89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537
SHA512

5bcd72f3e9a4cd5972f8609d41ee2212f72970e1633ce8e0214c246c34c97179f0c18342add20149223cc6bd0afedf8d6c89ae7dd24f50db3e344f577467b112
SSDEEP

3072:853mQ7JtnP5I09qgmBBAWgjSvwN/oSWBAYEQ3/AeohItgsk:UmKJtna2qgmBNgQwGAw/SItg/

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

Processes:

jusched.exe

pid process

3324 jusched.exe

pid	process
3324	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

Processes:

89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Windows\CurrentVersion\Run	89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe

Drops file in Program Files directory 2 IoCs

Processes:

89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe

description	ioc	process
File created	C:\Program Files (x86)\8c10fd6f\jusched.exe	89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe
File created	C:\Program Files (x86)\8c10fd6f\8c10fd6f	89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe

Drops file in Windows directory 1 IoCs

Processes:

89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe

description ioc process

File created C:\Windows\Tasks\Update23.job 89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\Tasks\Update23.job	89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe

description	pid	process	target process
PID 1408 wrote to memory of 3324	1408	89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe	jusched.exe
PID 1408 wrote to memory of 3324	1408	89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe	jusched.exe
PID 1408 wrote to memory of 3324	1408	89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe	jusched.exe

C:\Users\Admin\AppData\Local\Temp\89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.exe
"C:\Users\Admin\AppData\Local\Temp\89dc7f9bbc4a0a041f15b7ad6f67df12e9ff8555e3f34be3c29d5b4dcd720537.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:1408

C:\Program Files (x86)\8c10fd6f\jusched.exe
"C:\Program Files (x86)\8c10fd6f\jusched.exe"
2⤵
- Executes dropped EXE
PID:3324

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)\8c10fd6f\8c10fd6f

Filesize
17B

MD5
4d77d6b250ffb567743b8dbcdad695b8

SHA1
d5a8f98f9433f6d36c74df463cef3e2cf524462d

SHA256
7ec7a3a23890c3592f5b762aecf11adbf8831fad11b8048aedfa7315d599c5f2

SHA512
5655153049101fd67125d484c81f1ad30b44f36f00e3aabfe8d730a21661f4b394357b60da549289def4311b4cc7bd508d8fd6b8db254cd442b2152f8902bd71

Download Submit
C:\Program Files (x86)\8c10fd6f\jusched.exe

Filesize
270KB

MD5
622ff002741403a240565e7d3c1f166e

SHA1
cc662874a68e841aa77d0f675e6e4192554da552

SHA256
2da4a3bf4056e7c3bfa55256179016f8ddf836229423ab1bb05fd627dcbed5f7

SHA512
a779e54a2b109b660e014ae4182570710ce524ac45912c4094f7afb7668c6e7062cc45a151c51805aee4771f0327f709b33ce5130ca7bfafc3cf52db49b4e8ca

Download Submit
C:\Program Files (x86)\8c10fd6f\jusched.exe

Filesize
270KB

MD5
622ff002741403a240565e7d3c1f166e

SHA1
cc662874a68e841aa77d0f675e6e4192554da552

SHA256
2da4a3bf4056e7c3bfa55256179016f8ddf836229423ab1bb05fd627dcbed5f7

SHA512
a779e54a2b109b660e014ae4182570710ce524ac45912c4094f7afb7668c6e7062cc45a151c51805aee4771f0327f709b33ce5130ca7bfafc3cf52db49b4e8ca

Download Submit
memory/1408-132-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1408-136-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3324-133-0x0000000000000000-mapping.dmp

Download
memory/3324-137-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3324-139-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download