4c19e4317382ee99a410b6e801bd09839d636ef82d839dd4a529921c73d4bb6b

Analysis

max time kernel
174s
max time network
178s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2022 22:00

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General

Target

4c19e4317382ee99a410b6e801bd09839d636ef82d839dd4a529921c73d4bb6b.exe
Size

103KB
MD5

67ddd354e473afa2e7b4d2d2c358ad03
SHA1

d904181544475fa14e8621f5871e9693bc424781
SHA256

4c19e4317382ee99a410b6e801bd09839d636ef82d839dd4a529921c73d4bb6b
SHA512

f7d0b2d473cb29ea7b67633ce470d5ebb2628c87a082b6c74a578db2cd4fb84efbde61d5803ee2db2b0182ca36db381d07e75514d276a3745f52d04510846067
SSDEEP

768:LzQYScGrIubHuYtvdxwYHw5FAe2QwncwxN:vQTIubHy5wQwx

Score

10^/10

Malware Config

Extracted

Credentials

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

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1900	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	4c19e4317382ee99a410b6e801bd09839d636ef82d839dd4a529921c73d4bb6b.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\dfa77f01\jusched.exe	4c19e4317382ee99a410b6e801bd09839d636ef82d839dd4a529921c73d4bb6b.exe
File created	C:\Program Files (x86)\dfa77f01\dfa77f01	4c19e4317382ee99a410b6e801bd09839d636ef82d839dd4a529921c73d4bb6b.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1900	jusched.exe
1900	jusched.exe
1900	jusched.exe
1900	jusched.exe
1900	jusched.exe
1900	jusched.exe
1900	jusched.exe
1900	jusched.exe
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1900	jusched.exe
1900	jusched.exe
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1900	jusched.exe
1900	jusched.exe
1900	jusched.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 1900	4116	4c19e4317382ee99a410b6e801bd09839d636ef82d839dd4a529921c73d4bb6b.exe	81
PID 4116 wrote to memory of 1900	4116	4c19e4317382ee99a410b6e801bd09839d636ef82d839dd4a529921c73d4bb6b.exe	81
PID 4116 wrote to memory of 1900	4116	4c19e4317382ee99a410b6e801bd09839d636ef82d839dd4a529921c73d4bb6b.exe	81

C:\Users\Admin\AppData\Local\Temp\4c19e4317382ee99a410b6e801bd09839d636ef82d839dd4a529921c73d4bb6b.exe
"C:\Users\Admin\AppData\Local\Temp\4c19e4317382ee99a410b6e801bd09839d636ef82d839dd4a529921c73d4bb6b.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4116
- C:\Program Files (x86)\dfa77f01\jusched.exe
  "C:\Program Files (x86)\dfa77f01\jusched.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:1900

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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)\dfa77f01\dfa77f01

Filesize
13B

MD5
f253efe302d32ab264a76e0ce65be769

SHA1
768685ca582abd0af2fbb57ca37752aa98c9372b

SHA256
49dca65f362fee401292ed7ada96f96295eab1e589c52e4e66bf4aedda715fdd

SHA512
1990d20b462406bbadb22ba43f1ed9d0db6b250881d4ac89ad8cf6e43ca92b2fd31c3a15be1e6e149e42fdb46e58122c15bc7869a82c9490656c80df69fa77c4

Download Submit
C:\Program Files (x86)\dfa77f01\jusched.exe

Filesize
103KB

MD5
3cb49f5dfe9bebdc0567e8199b2161df

SHA1
d7adad5683f91097498dd00748e4818b6da5b427

SHA256
6f664cbe6a82c9bb760f3ae2bedfd0bc00a384abf359960f70813fabd68af090

SHA512
5028a998f16d888319949f53802a23b677ddd46fc105a963a8aa17c8dfd730baef4dd6c2145f35f824a0adebddac992e47e2d4bc326a1c5ffaa27c30332eae64

Download Submit
C:\Program Files (x86)\dfa77f01\jusched.exe

Filesize
103KB

MD5
3cb49f5dfe9bebdc0567e8199b2161df

SHA1
d7adad5683f91097498dd00748e4818b6da5b427

SHA256
6f664cbe6a82c9bb760f3ae2bedfd0bc00a384abf359960f70813fabd68af090

SHA512
5028a998f16d888319949f53802a23b677ddd46fc105a963a8aa17c8dfd730baef4dd6c2145f35f824a0adebddac992e47e2d4bc326a1c5ffaa27c30332eae64

Download Submit
memory/1900-137-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1900-139-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4116-132-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4116-136-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download