Analysis
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max time kernel
151s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
31-03-2024 15:54
Static task
static1
Behavioral task
behavioral1
Sample
Unpaid invoice.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Unpaid invoice.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/gyalquzbu.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/gyalquzbu.dll
Resource
win10v2004-20231215-en
General
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Target
Unpaid invoice.exe
-
Size
450KB
-
MD5
98d2d5ac3bd493d77f0a7300a43d045b
-
SHA1
7fdd3b9b76f2c40df10def7ec3aa25c4fb192ec7
-
SHA256
1bbc8a34b7590c1593c5a79a8d0f93b17a162f44893c37aa11e4cb9e0e2d96bf
-
SHA512
32b7aa0518d6b41864d0f6f90d397cd377244b8f6af07178252aeb5b7ecf57e347c2aa2a3a4d94327d799bfcf8fe87b5c8164b0102c64258fd55a4c024ad0ef3
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SSDEEP
12288:g4fXqKkoo4mdIaFOyzsfUvCqqTb+3e3DcGv2:9PbkoodWaEXU6P/2
Malware Config
Extracted
xloader
2.5
b2c0
bjyxszd520.xyz
hsvfingerprinting.com
elliotpioneer.com
bf396.com
chinaopedia.com
6233v.com
shopeuphoricapparel.com
loccssol.store
truefictionpictures.com
playstarexch.com
peruviancoffee.store
shobhajoshi.com
philme.net
avito-rules.com
independencehomecenters.com
atp-cayenne.com
invetorsbank.com
sasanos.com
scentfreebnb.com
catfuid.com
sunshinefamilysupport.com
madison-co-atty.net
newhousebr.com
newstodayupdate.com
kamalaanjna.com
itpronto.com
hi-loentertainment.com
sadpartyrentals.com
vertuminy.com
khomayphotocopy.club
roleconstructora.com
cottonhome.online
starsspell.com
bedrijfs-kledingshop.com
aydeyahouse.com
miaintervista.com
taolemix.com
lnagvv.space
bjmobi.com
collabkc.art
onayli.net
ecostainable.com
vi88.info
brightlifeprochoice.com
taoluzhibo.info
techgobble.com
ideemimarlikinsaat.com
andajzx.com
shineshaft.website
arroundworld.com
reyuzed.com
emilfaucets.com
lumberjackguitarloops.com
pearl-interior.com
altitudebc.com
cqjiubai.com
kutahyaescortbayanlarim.xyz
metalworkingadditives.online
unasolucioendesa.com
andrewfjohnston.com
visionmark.net
dxxlewis.com
carts-amazon.com
anadolu.academy
thesewhitevvalls.com
Signatures
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Xloader payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/1096-8-0x0000000000400000-0x0000000000429000-memory.dmp xloader behavioral2/memory/1096-11-0x0000000000400000-0x0000000000429000-memory.dmp xloader behavioral2/memory/4340-18-0x00000000004E0000-0x0000000000509000-memory.dmp xloader behavioral2/memory/4340-20-0x00000000004E0000-0x0000000000509000-memory.dmp xloader -
Loads dropped DLL 1 IoCs
Processes:
Unpaid invoice.exepid process 4280 Unpaid invoice.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
Unpaid invoice.exeUnpaid invoice.execmstp.exedescription pid process target process PID 4280 set thread context of 1096 4280 Unpaid invoice.exe Unpaid invoice.exe PID 1096 set thread context of 3380 1096 Unpaid invoice.exe Explorer.EXE PID 4340 set thread context of 3380 4340 cmstp.exe Explorer.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 62 IoCs
Processes:
Unpaid invoice.execmstp.exepid process 1096 Unpaid invoice.exe 1096 Unpaid invoice.exe 1096 Unpaid invoice.exe 1096 Unpaid invoice.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe 4340 cmstp.exe -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
Unpaid invoice.execmstp.exepid process 1096 Unpaid invoice.exe 1096 Unpaid invoice.exe 1096 Unpaid invoice.exe 4340 cmstp.exe 4340 cmstp.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Unpaid invoice.execmstp.exedescription pid process Token: SeDebugPrivilege 1096 Unpaid invoice.exe Token: SeDebugPrivilege 4340 cmstp.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3380 Explorer.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
Unpaid invoice.exeExplorer.EXEcmstp.exedescription pid process target process PID 4280 wrote to memory of 1096 4280 Unpaid invoice.exe Unpaid invoice.exe PID 4280 wrote to memory of 1096 4280 Unpaid invoice.exe Unpaid invoice.exe PID 4280 wrote to memory of 1096 4280 Unpaid invoice.exe Unpaid invoice.exe PID 4280 wrote to memory of 1096 4280 Unpaid invoice.exe Unpaid invoice.exe PID 4280 wrote to memory of 1096 4280 Unpaid invoice.exe Unpaid invoice.exe PID 4280 wrote to memory of 1096 4280 Unpaid invoice.exe Unpaid invoice.exe PID 3380 wrote to memory of 4340 3380 Explorer.EXE cmstp.exe PID 3380 wrote to memory of 4340 3380 Explorer.EXE cmstp.exe PID 3380 wrote to memory of 4340 3380 Explorer.EXE cmstp.exe PID 4340 wrote to memory of 1016 4340 cmstp.exe cmd.exe PID 4340 wrote to memory of 1016 4340 cmstp.exe cmd.exe PID 4340 wrote to memory of 1016 4340 cmstp.exe cmd.exe
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3380 -
C:\Users\Admin\AppData\Local\Temp\Unpaid invoice.exe"C:\Users\Admin\AppData\Local\Temp\Unpaid invoice.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4280 -
C:\Users\Admin\AppData\Local\Temp\Unpaid invoice.exe"C:\Users\Admin\AppData\Local\Temp\Unpaid invoice.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1096 -
C:\Windows\SysWOW64\cmstp.exe"C:\Windows\SysWOW64\cmstp.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4340 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\Unpaid invoice.exe"3⤵PID:1016
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
33KB
MD5a8caa6d267951ad22e835233b5e50c46
SHA145c722c5958d99727a95d30eaa3032203d1f4ab2
SHA256db7b70b0734285b8d9a1f3617e55603b0cb649d9bf0b7fbf8988c44e684f4e76
SHA5129ee74bf576554210f8923dda8aa28f6dc7f3c5aa52da7b48a94beaf56cb4e27f1c3d0387cc9116e467631bc13c0e743341129bffa84b9db16ace1248a53b4cd7