83820084f1c3fa271c1a5b4e788b1c6c7d56ded581deefdf5850970d4b055a0d

Analysis

max time kernel
151s
max time network
155s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06/12/2022, 00:14

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General

Target

83820084f1c3fa271c1a5b4e788b1c6c7d56ded581deefdf5850970d4b055a0d.exe
Size

188KB
MD5

01cbfbd26431449361ea5633043bbad2
SHA1

4ca00b7254a60712f616499858e7db57ec65dd5d
SHA256

83820084f1c3fa271c1a5b4e788b1c6c7d56ded581deefdf5850970d4b055a0d
SHA512

c0743815701dfb1def8ee34b438c0935652a4826267679e5dbfc5f92ab1797a9396662e67dba5a92b10dc5d800d959208d25a278671efece5c3d9e41d343a5cb
SSDEEP

1536:1sVte+7YkayZ+OttmxKLjWlSA8Zp5JAJjzSHoWtW:1sVteka8+OtAcKlSRz5BHoWY

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
1428	jusched.exe

Loads dropped DLL 2 IoCs

pid	Process
784	83820084f1c3fa271c1a5b4e788b1c6c7d56ded581deefdf5850970d4b055a0d.exe
784	83820084f1c3fa271c1a5b4e788b1c6c7d56ded581deefdf5850970d4b055a0d.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	83820084f1c3fa271c1a5b4e788b1c6c7d56ded581deefdf5850970d4b055a0d.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run	83820084f1c3fa271c1a5b4e788b1c6c7d56ded581deefdf5850970d4b055a0d.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\24d4663b\24d4663b	83820084f1c3fa271c1a5b4e788b1c6c7d56ded581deefdf5850970d4b055a0d.exe
File created	C:\Program Files (x86)\24d4663b\jusched.exe	83820084f1c3fa271c1a5b4e788b1c6c7d56ded581deefdf5850970d4b055a0d.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	83820084f1c3fa271c1a5b4e788b1c6c7d56ded581deefdf5850970d4b055a0d.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 4 IoCs

description	pid	Process	procid_target
PID 784 wrote to memory of 1428	784	83820084f1c3fa271c1a5b4e788b1c6c7d56ded581deefdf5850970d4b055a0d.exe	26
PID 784 wrote to memory of 1428	784	83820084f1c3fa271c1a5b4e788b1c6c7d56ded581deefdf5850970d4b055a0d.exe	26
PID 784 wrote to memory of 1428	784	83820084f1c3fa271c1a5b4e788b1c6c7d56ded581deefdf5850970d4b055a0d.exe	26
PID 784 wrote to memory of 1428	784	83820084f1c3fa271c1a5b4e788b1c6c7d56ded581deefdf5850970d4b055a0d.exe	26

C:\Users\Admin\AppData\Local\Temp\83820084f1c3fa271c1a5b4e788b1c6c7d56ded581deefdf5850970d4b055a0d.exe
"C:\Users\Admin\AppData\Local\Temp\83820084f1c3fa271c1a5b4e788b1c6c7d56ded581deefdf5850970d4b055a0d.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:784
- C:\Program Files (x86)\24d4663b\jusched.exe
  "C:\Program Files (x86)\24d4663b\jusched.exe"
  2⤵
  - Executes dropped EXE
  PID:1428

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\24d4663b\24d4663b

Filesize
17B

MD5
209aa6c14d66621f3aa1cee03a8bf5dc

SHA1
0f5bce2a29d3306586934b6d846a172078ee8e66

SHA256
57ef9e3c809cf3ca41782d4c7119c3ae7e43ccbb1c00d978b745677f14b82c2e

SHA512
8b9fb2bcc8e8785a48d3fe212f852c2f108ef2ab20e9e2a61e9bba5857002abe9111e42411bfc573e50c126031b7ef0433bddfa357de2ca0814f7d31157b9c63

Download Submit
C:\Program Files (x86)\24d4663b\jusched.exe

Filesize
188KB

MD5
1f409101ae003c995fe1b385ab717939

SHA1
9856b6629db23de3fb3d9a0d5caf0f0bf0becf47

SHA256
f5d0cb381bbb2f030e4a28f726ab0643d47896f609db5d649ab5d2c47f7b45d7

SHA512
900f9a3dab2a179138dcce09fe2bd0ea9d8d4c9b2c5095e8dd09649467989fb30483dee909c2e2416af4b9f59524fb782ed8a01e73375a019ceccf3a8a5cb808

Download Submit
\Program Files (x86)\24d4663b\jusched.exe

Filesize
188KB

MD5
1f409101ae003c995fe1b385ab717939

SHA1
9856b6629db23de3fb3d9a0d5caf0f0bf0becf47

SHA256
f5d0cb381bbb2f030e4a28f726ab0643d47896f609db5d649ab5d2c47f7b45d7

SHA512
900f9a3dab2a179138dcce09fe2bd0ea9d8d4c9b2c5095e8dd09649467989fb30483dee909c2e2416af4b9f59524fb782ed8a01e73375a019ceccf3a8a5cb808

Download Submit
\Program Files (x86)\24d4663b\jusched.exe

Filesize
188KB

MD5
1f409101ae003c995fe1b385ab717939

SHA1
9856b6629db23de3fb3d9a0d5caf0f0bf0becf47

SHA256
f5d0cb381bbb2f030e4a28f726ab0643d47896f609db5d649ab5d2c47f7b45d7

SHA512
900f9a3dab2a179138dcce09fe2bd0ea9d8d4c9b2c5095e8dd09649467989fb30483dee909c2e2416af4b9f59524fb782ed8a01e73375a019ceccf3a8a5cb808

Download Submit
memory/784-54-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

Download