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
140s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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/Setup.exe
-
Size
132KB
-
MD5
1f58af75c11c6aacc500dc9c1625958c
-
SHA1
8cd92514384574d5d6f920604a96dce3d25b7a67
-
SHA256
9a0509b4af9523ffbef2e58bdf7f80e90668bf6ded452c5f751d0e39f3729fea
-
SHA512
db2b699cfbad7fa958a52c90cc66c01c20fd2b10f9d64d1895958108f4e5124612708918d31517e498532020f8e0b94abeb3d71820b331f82fb65bc0de4ae5da
-
SSDEEP
384:ZYDNGSC4qYsL3OHnID0t+SL8h8U9rvndp7n1UmKaxC02yWypNDJbTS:00SC4ujOHnZ+WgmmDxCDyTlb
Malware Config
Signatures
-
Drops file in Program Files directory 1 IoCs
description ioc Process File created \??\c:\Program Files\02030401.dat Setup.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2564 Setup.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\workwinScreen\Ӷ(Ա)\Ϊװ\Setup.exe"C:\Users\Admin\AppData\Local\Temp\workwinScreen\Ӷ(Ա)\Ϊװ\Setup.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
PID:2564
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5420 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:81⤵PID:4056