Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2023, 15:27
Static task
static1
Behavioral task
behavioral1
Sample
Invoice#23615B001.exe
Resource
win7-20230831-en
General
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Target
Invoice#23615B001.exe
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Size
642KB
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MD5
2673a176c9729737316a6e6d660f0f79
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SHA1
f3466f9e8e6d1c9e9d22e6fe9e2ee601d9c22788
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SHA256
02971b038e3224fb89a5aa824cd4388ab3108e86571312d127e32b6a59b1b3ec
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SHA512
9e6d7703c8993e27b86bc5d4549e224db18176034e6d4331ab483dc187c77c543084cef2468a368a1dd48b0d678dc8f509ababb185b97d7756c426948442e958
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SSDEEP
12288:KayccWwjCUqEupAtlUpQSkHBkiyrhKwAKNdI0U+VRslA7jbA:0CdEupkl4RmkvyeI0TR17j
Malware Config
Extracted
formbook
4.1
sn26
resenha10.bet
gulshan-rajput.com
xbus.tech
z813my.cfd
wlxzjlny.cfd
auntengotiempo.com
canada-reservation.com
thegiftcompany.shop
esthersilveirapropiedades.com
1wapws.top
ymjblnvo.cfd
termokimik.net
kushiro-artist-school.com
bmmboo.com
caceresconstructionservices.com
kentuckywalkabout.com
bringyourcart.com
miamiwinetour.com
bobcatsocial.site
thirdmind.network
4tbbwa.com
rhinosecurellc.net
rdparadise.com
radpm.xyz
thewhiteorchidspa.com
clhynfco.cfd
ngohcvja.cfd
woodennickelcandles.com
gg18rb.cfd
qcdrxwr.cfd
974dp.com
lagardere-vivendi-corp.net
chestnutmaretraining.com
seosjekk.online
ahevrlh.xyz
uedam.xyz
natrada.love
yoywvfw.top
unifiedtradingjapan.com
chinakaldi.com
agenciacolmeiadigital.com
wdlzzfkc.cfd
097850.com
xingcansy.com
uahrbqtj.cfd
charliehaywood.com
witheres.shop
sqiyvdrx.cfd
biopfizer.com
tiktokviewer.com
prftwgmw.cfd
sfsdnwpf.cfd
linkboladewahub.xyz
orvados.com
goodshepherdopcesva.com
christianlovewv.com
cdicontrols.com
hawskio26.click
ownlegalhelp.com
tiydmdzp.cfd
ppirr.biz
stonyatrick.com
itsamazingbarley.com
msjbaddf.cfd
zachmahl.com
Signatures
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Formbook payload 4 IoCs
resource yara_rule behavioral2/memory/2272-14-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/2272-19-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/2160-24-0x0000000000C00000-0x0000000000C2F000-memory.dmp formbook behavioral2/memory/2160-26-0x0000000000C00000-0x0000000000C2F000-memory.dmp formbook -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4752 set thread context of 2272 4752 Invoice#23615B001.exe 98 PID 2272 set thread context of 3152 2272 Invoice#23615B001.exe 40 PID 2160 set thread context of 3152 2160 chkdsk.exe 40 -
Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 2272 Invoice#23615B001.exe 2272 Invoice#23615B001.exe 2272 Invoice#23615B001.exe 2272 Invoice#23615B001.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe 2160 chkdsk.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3152 Explorer.EXE -
Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 2272 Invoice#23615B001.exe 2272 Invoice#23615B001.exe 2272 Invoice#23615B001.exe 2160 chkdsk.exe 2160 chkdsk.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2272 Invoice#23615B001.exe Token: SeDebugPrivilege 2160 chkdsk.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3152 Explorer.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4752 wrote to memory of 2272 4752 Invoice#23615B001.exe 98 PID 4752 wrote to memory of 2272 4752 Invoice#23615B001.exe 98 PID 4752 wrote to memory of 2272 4752 Invoice#23615B001.exe 98 PID 4752 wrote to memory of 2272 4752 Invoice#23615B001.exe 98 PID 4752 wrote to memory of 2272 4752 Invoice#23615B001.exe 98 PID 4752 wrote to memory of 2272 4752 Invoice#23615B001.exe 98 PID 3152 wrote to memory of 2160 3152 Explorer.EXE 99 PID 3152 wrote to memory of 2160 3152 Explorer.EXE 99 PID 3152 wrote to memory of 2160 3152 Explorer.EXE 99 PID 2160 wrote to memory of 5100 2160 chkdsk.exe 100 PID 2160 wrote to memory of 5100 2160 chkdsk.exe 100 PID 2160 wrote to memory of 5100 2160 chkdsk.exe 100
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3152 -
C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe"C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4752 -
C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe"{path}"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2272
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C:\Windows\SysWOW64\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.exe"2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2160 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\Invoice#23615B001.exe"3⤵PID:5100
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