Overview
overview
10Static
static
8BuhtaClient.vbs
windows7-x64
1BuhtaClient.vbs
windows10-2004-x64
1BuhtaClient.exe
windows7-x64
10BuhtaClient.exe
windows10-2004-x64
10BuhtaDev.chm
windows7-x64
1BuhtaDev.chm
windows10-2004-x64
1BuhtaPivot.xls
windows7-x64
1BuhtaPivot.xls
windows10-2004-x64
1BuhtaServer.exe
windows7-x64
1BuhtaServer.exe
windows10-2004-x64
1PivotInstall.exe
windows7-x64
1PivotInstall.exe
windows10-2004-x64
1dsd.exe
windows7-x64
1dsd.exe
windows10-2004-x64
1eapi.dll
windows7-x64
3eapi.dll
windows10-2004-x64
3quricol32.dll
windows7-x64
1quricol32.dll
windows10-2004-x64
3Analysis
-
max time kernel
145s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
04-01-2024 00:15
Behavioral task
behavioral1
Sample
BuhtaClient.vbs
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
BuhtaClient.vbs
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
BuhtaClient.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
BuhtaClient.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
BuhtaDev.chm
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
BuhtaDev.chm
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
BuhtaPivot.xls
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
BuhtaPivot.xls
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
BuhtaServer.exe
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
BuhtaServer.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
PivotInstall.exe
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
PivotInstall.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral13
Sample
dsd.exe
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
dsd.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
eapi.dll
Resource
win7-20231129-en
Behavioral task
behavioral16
Sample
eapi.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
quricol32.dll
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
quricol32.dll
Resource
win10v2004-20231222-en
General
-
Target
eapi.dll
-
Size
148KB
-
MD5
d7c65f338b7063e4337f25d1a511f723
-
SHA1
e1eb90f87e0a9bde3e70c0f87c2fc368dc8092e9
-
SHA256
7de13885441baa0cca8e81bbd5d2dd2a7ba411156b897dbe2820d94b7589da10
-
SHA512
a726112ab90e707acffe75cecb537b138a202657eb9167327a26d5db53d3a25609ff772896b2691fdfea2765417eafb1116e02b762c98cca4a08333a085067b6
-
SSDEEP
3072:NjYQztF8U/iSj2Z94vefRvEjWZh8UlIX:30E2Z94vewGh8F
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4372 3260 WerFault.exe 20 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5036 wrote to memory of 3260 5036 rundll32.exe 20 PID 5036 wrote to memory of 3260 5036 rundll32.exe 20 PID 5036 wrote to memory of 3260 5036 rundll32.exe 20
Processes
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\eapi.dll,#11⤵PID:3260
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3260 -s 6122⤵
- Program crash
PID:4372
-
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\eapi.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:5036
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3260 -ip 32601⤵PID:1572