Overview
overview
8Static
static
7workwinScr...��.doc
windows7-x64
4workwinScr...��.doc
windows10-2004-x64
1workwinScr...60.dll
windows7-x64
1workwinScr...60.dll
windows10-2004-x64
1workwinScr...up.exe
windows7-x64
4workwinScr...up.exe
windows10-2004-x64
4workwinScr...hs.dll
windows7-x64
1workwinScr...hs.dll
windows10-2004-x64
1workwinScr...tv.exe
windows7-x64
8workwinScr...tv.exe
windows10-2004-x64
8workwinScr...rk.dll
windows7-x64
1workwinScr...rk.dll
windows10-2004-x64
1workwinScr...up.exe
windows7-x64
1workwinScr...up.exe
windows10-2004-x64
1workwinScr...tv.exe
windows7-x64
8workwinScr...tv.exe
windows10-2004-x64
8workwinScr...rk.dll
windows7-x64
1workwinScr...rk.dll
windows10-2004-x64
1workwinScr...tv.exe
windows7-x64
8workwinScr...tv.exe
windows10-2004-x64
8workwinScr...rk.dll
windows7-x64
1workwinScr...rk.dll
windows10-2004-x64
1workwinScr...TL.dll
windows7-x64
1workwinScr...TL.dll
windows10-2004-x64
1workwinScr...CK.dll
windows7-x64
1workwinScr...CK.dll
windows10-2004-x64
1workwinScr...er.exe
windows7-x64
1workwinScr...er.exe
windows10-2004-x64
8workwinScr...le.dll
windows7-x64
1workwinScr...le.dll
windows10-2004-x64
1workwinScr...��.exe
windows7-x64
1workwinScr...��.exe
windows10-2004-x64
1Analysis
-
max time kernel
120s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11-03-2024 01:56
Behavioral task
behavioral1
Sample
workwinScreen/WorkWinǽƤ.doc
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
workwinScreen/WorkWinǽƤ.doc
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
workwinScreen/Ӷ(Ա)/Ϊװ/Msvbvm60.dll
Resource
win7-20240215-en
Behavioral task
behavioral4
Sample
workwinScreen/Ӷ(Ա)/Ϊװ/Msvbvm60.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
workwinScreen/Ӷ(Ա)/Ϊװ/Setup.exe
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
workwinScreen/Ӷ(Ա)/Ϊװ/Setup.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
workwinScreen/Ӷ(Ա)/Ϊװ/Vb6chs.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
workwinScreen/Ӷ(Ա)/Ϊװ/Vb6chs.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
workwinScreen/Ӷ(Ա)/Ϊװ/WorkWintv.exe
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
workwinScreen/Ӷ(Ա)/Ϊװ/WorkWintv.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
workwinScreen/Ӷ(Ա)/Ϊװ/wintvwork.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
workwinScreen/Ӷ(Ա)/Ϊװ/wintvwork.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
workwinScreen/Ӷ(Ա)/Ϊװ/Setup.exe
Resource
win7-20240220-en
Behavioral task
behavioral14
Sample
workwinScreen/Ӷ(Ա)/Ϊװ/Setup.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
workwinScreen/Ӷ(Ա)/Ϊװ/WorkWintv.exe
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
workwinScreen/Ӷ(Ա)/Ϊװ/WorkWintv.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
workwinScreen/Ӷ(Ա)/Ϊװ/wintvwork.dll
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
workwinScreen/Ӷ(Ա)/Ϊװ/wintvwork.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral19
Sample
workwinScreen/Ӷ(Ա)/ⰲװɫ/WorkWintv.exe
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
workwinScreen/Ӷ(Ա)/ⰲװɫ/WorkWintv.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
workwinScreen/Ӷ(Ա)/ⰲװɫ/wintvwork.dll
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
workwinScreen/Ӷ(Ա)/ⰲװɫ/wintvwork.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral23
Sample
workwinScreen//MSCOMCTL.dll
Resource
win7-20240220-en
Behavioral task
behavioral24
Sample
workwinScreen//MSCOMCTL.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral25
Sample
workwinScreen//MSWINSCK.dll
Resource
win7-20231129-en
Behavioral task
behavioral26
Sample
workwinScreen//MSWINSCK.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral27
Sample
workwinScreen//WorkWinTvServer.exe
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
workwinScreen//WorkWinTvServer.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral29
Sample
workwinScreen//eaagle.dll
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
workwinScreen//eaagle.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral31
Sample
workwinScreen//бʧܵ.exe
Resource
win7-20240221-en
Behavioral task
behavioral32
Sample
workwinScreen//бʧܵ.exe
Resource
win10v2004-20240226-en
General
-
Target
workwinScreen/Ӷ(Ա)/Ϊװ/wintvwork.dll
-
Size
24KB
-
MD5
a81cc030872d8c622dd0171084560efb
-
SHA1
8c64f96975ae5e382ef63c8086d9ae84902c2414
-
SHA256
322d23d6e98fc02149905055a8e8498122c234962e9a7a1b5c1d86ad8940a79d
-
SHA512
61fee6298201e066235f464dd313508e5950c43293ec45afb840649252605ee5dd3c3379ce43120671965b771e235f15e9eb8044048ecd3d3191654e0d8ea1db
-
SSDEEP
96:bRqr12rJa0OgotX34Xx9w+2kSKMxbC31CHRvCNGb5kBZzCRsY:bRqBJ0Olt4Xxd2wFIC8+BZORs
Malware Config
Signatures
-
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2028 wrote to memory of 2080 2028 rundll32.exe 28 PID 2028 wrote to memory of 2080 2028 rundll32.exe 28 PID 2028 wrote to memory of 2080 2028 rundll32.exe 28 PID 2028 wrote to memory of 2080 2028 rundll32.exe 28 PID 2028 wrote to memory of 2080 2028 rundll32.exe 28 PID 2028 wrote to memory of 2080 2028 rundll32.exe 28 PID 2028 wrote to memory of 2080 2028 rundll32.exe 28
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\workwinScreen\Ӷ(Ա)\Ϊװ\wintvwork.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\workwinScreen\Ӷ(Ա)\Ϊװ\wintvwork.dll,#12⤵PID:2080
-