Analysis
- max time kernel
1693s - max time network
1772s - platform
windows10_x64 - resource
win10v20210408 - submitted
08/09/2021, 10:24
Static task
static1
Behavioral task
behavioral1
Sample
WinHost32.exe_.exe
Resource
win7-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
WinHost32.exe_.exe
Resource
win10v20210408
0 signatures
0 seconds
General
- Target WinHost32.exe_.exe
- Size 168KB
- Sample210908-mfrgzaecf7
- SHA256 16e9388cc66a4e3788be226cffcf16c4440e1b4a14a062099e6cd47f55d88e82
- MD5 298a61f8b834e63e3c30985c81004100
- SHA1 dc9b95c91ffa35fdca0211f4e4e2d03fafa80bd1
- SHA512 a34b790f52ef3fade5b376c47dcbb001e47b676f7e097a002eac8c59d893c27905674739e432d5c142845db89075db22712c2899e8ce9054716b4fd3238be763
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
hancitor
Botnet
-
exp_12
C2
-
http://gatiallylyb.com/4/forum.php
-
http://sintiellubje.ru/4/forum.php
-
http://divelerencio.ru/4/forum.php
Signatures
- Hancitor
Hancitor is downloader used to deliver other malware families.
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 200 WinHost32.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WinHost32 = "C:\\Windows\\System32\\WinHost32.exe" WinHost32.exe_.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 11 api.ipify.org - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\WinHost32.exe WinHost32.exe_.exe - Suspicious behavior: EnumeratesProcesses 32 IoCs
pid Process 1832 WinHost32.exe_.exe 1832 WinHost32.exe_.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe 200 WinHost32.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1832 wrote to memory of 200 1832 WinHost32.exe_.exe 75 PID 1832 wrote to memory of 200 1832 WinHost32.exe_.exe 75 PID 1832 wrote to memory of 200 1832 WinHost32.exe_.exe 75 PID 1832 wrote to memory of 2376 1832 WinHost32.exe_.exe 76 PID 1832 wrote to memory of 2376 1832 WinHost32.exe_.exe 76 PID 1832 wrote to memory of 2376 1832 WinHost32.exe_.exe 76
Processes
-
C:\Users\Admin\AppData\Local\Temp\WinHost32.exe_.exe"C:\Users\Admin\AppData\Local\Temp\WinHost32.exe_.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\SysWOW64\WinHost32.exeC:\Windows\System32\WinHost32.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:200
-
-
C:\Windows\SysWOW64\cmd.exe/c del C:\Users\Admin\AppData\Local\Temp\WinHost32.exe_.exe >> NUL2⤵PID:2376
-