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
122s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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
quricol32.dll
-
Size
218KB
-
MD5
19306dd58bbd42f9c4fba0072a6e810a
-
SHA1
e6c01ab512806319db1745e73fbd55f3ac9298b3
-
SHA256
90864d6b81ab5b6251e3739366f2cd8ffb9bccc7c08f9c39eb4b73db17f0401b
-
SHA512
01f9b18438737baaa523048f518385aabdef8417ea92e38f65c3c052036b70c9329e8f07ba47af5a32edd7948a1b81cc1173b9e60db00ba1c87e2ac5c86c4340
-
SSDEEP
3072:Syy0/QPixg1FYvqMH5XuCtM7ZRA0ke9S7egumTBfCUuAg0Fu/5b8+zd:W0/Qqxg1FYvqMHpuCtR0VpgDTBqUuAO
Malware Config
Signatures
-
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3052 wrote to memory of 2732 3052 rundll32.exe 28 PID 3052 wrote to memory of 2732 3052 rundll32.exe 28 PID 3052 wrote to memory of 2732 3052 rundll32.exe 28 PID 3052 wrote to memory of 2732 3052 rundll32.exe 28 PID 3052 wrote to memory of 2732 3052 rundll32.exe 28 PID 3052 wrote to memory of 2732 3052 rundll32.exe 28 PID 3052 wrote to memory of 2732 3052 rundll32.exe 28