Analysis
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max time kernel
149s -
max time network
148s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
08-10-2021 03:01
Static task
static1
Behavioral task
behavioral1
Sample
INVPRF2100114_pdf.exe
Resource
win7-en-20210920
General
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Target
INVPRF2100114_pdf.exe
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Size
412KB
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MD5
08be9eb13ce48889a767c1faf80fc855
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SHA1
4f8c369ff1be2d9e02594b971ee24f4a2c8e18c9
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SHA256
7b5de7135bd7e3c2eb98a94977c138597d357def8a9851a8df3ee442f83ec737
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SHA512
5ccbdf445507b85c5b4595b430e26b5306d30abfe60047f5d2438a3294013a93cbf8d1136ab009b1cda87a5f662fb8ca5683a11ecb60a9636a0c2155c6d9d3b4
Malware Config
Extracted
xloader
2.5
euzn
http://www.heser.net/euzn/
235296tyc.com
gold12guide.art
baibuaherb.com
weberwines.tax
chezvitoria.com
aidenb.tech
pitchdeckservice.com
surgeryforfdf.xyz
workunvaccinated.com
hrtaro.com
yourotcs.com
sonimultispecialityclinic.com
consultantadvisors.com
pentesting-consulting.com
dantechs.digital
longshifa.online
taweilai.net
imyusuke.com
cashndashfinancial.com
fasiglimt.quest
jakital.com
graywolfdesign.com
pepeavatar.com
predixlogisticscourier.com
football-transfer-news.pro
herbalmedication.xyz
esd66.com
janesgalant.quest
abcrefreshments.com
chaoxy.com
rediscoveringyouhealing.com
mcrjadr5.xyz
n4sins.com
faithful-presence.com
013yu.xyz
isystemslanka.com
newbeautydk.com
ethiopia-info.com
hgaffiliates.net
anodynemedicalmassage.com
esohgroup.com
clinicamonicabarros.com
rafathecook.com
londonescort.xyz
dreamites.com
webtiyan.com
cnnautorepair.com
soposhshop.com
aarohaninsight2021.com
arceprojects.com
mecasso.store
mirai-energy.com
barwg.com
angeescollections-shop.com
xinlishiqiaoqiao.xyz
linuxsauce.net
dirbn.com
anandiaper.xyz
blackpanther.online
livinwoodbridgefarms.com
diepraxiskommunikation.com
radiosaptshahid.com
gofieldtest.com
minxtales.com
Signatures
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suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
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Xloader Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/864-62-0x000000000041D420-mapping.dmp xloader behavioral1/memory/864-61-0x0000000000400000-0x0000000000429000-memory.dmp xloader behavioral1/memory/624-69-0x0000000000080000-0x00000000000A9000-memory.dmp xloader -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1820 cmd.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
INVPRF2100114_pdf.exeINVPRF2100114_pdf.exeNAPSTAT.EXEdescription pid process target process PID 1540 set thread context of 864 1540 INVPRF2100114_pdf.exe INVPRF2100114_pdf.exe PID 864 set thread context of 1356 864 INVPRF2100114_pdf.exe Explorer.EXE PID 624 set thread context of 1356 624 NAPSTAT.EXE Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 23 IoCs
Processes:
INVPRF2100114_pdf.exeNAPSTAT.EXEpid process 864 INVPRF2100114_pdf.exe 864 INVPRF2100114_pdf.exe 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE 624 NAPSTAT.EXE -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
INVPRF2100114_pdf.exeNAPSTAT.EXEpid process 864 INVPRF2100114_pdf.exe 864 INVPRF2100114_pdf.exe 864 INVPRF2100114_pdf.exe 624 NAPSTAT.EXE 624 NAPSTAT.EXE -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
INVPRF2100114_pdf.exeNAPSTAT.EXEdescription pid process Token: SeDebugPrivilege 864 INVPRF2100114_pdf.exe Token: SeDebugPrivilege 624 NAPSTAT.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
Explorer.EXEpid process 1356 Explorer.EXE 1356 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
Explorer.EXEpid process 1356 Explorer.EXE 1356 Explorer.EXE -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
INVPRF2100114_pdf.exeExplorer.EXENAPSTAT.EXEdescription pid process target process PID 1540 wrote to memory of 864 1540 INVPRF2100114_pdf.exe INVPRF2100114_pdf.exe PID 1540 wrote to memory of 864 1540 INVPRF2100114_pdf.exe INVPRF2100114_pdf.exe PID 1540 wrote to memory of 864 1540 INVPRF2100114_pdf.exe INVPRF2100114_pdf.exe PID 1540 wrote to memory of 864 1540 INVPRF2100114_pdf.exe INVPRF2100114_pdf.exe PID 1540 wrote to memory of 864 1540 INVPRF2100114_pdf.exe INVPRF2100114_pdf.exe PID 1540 wrote to memory of 864 1540 INVPRF2100114_pdf.exe INVPRF2100114_pdf.exe PID 1540 wrote to memory of 864 1540 INVPRF2100114_pdf.exe INVPRF2100114_pdf.exe PID 1540 wrote to memory of 864 1540 INVPRF2100114_pdf.exe INVPRF2100114_pdf.exe PID 1540 wrote to memory of 864 1540 INVPRF2100114_pdf.exe INVPRF2100114_pdf.exe PID 1540 wrote to memory of 864 1540 INVPRF2100114_pdf.exe INVPRF2100114_pdf.exe PID 1356 wrote to memory of 624 1356 Explorer.EXE NAPSTAT.EXE PID 1356 wrote to memory of 624 1356 Explorer.EXE NAPSTAT.EXE PID 1356 wrote to memory of 624 1356 Explorer.EXE NAPSTAT.EXE PID 1356 wrote to memory of 624 1356 Explorer.EXE NAPSTAT.EXE PID 624 wrote to memory of 1820 624 NAPSTAT.EXE cmd.exe PID 624 wrote to memory of 1820 624 NAPSTAT.EXE cmd.exe PID 624 wrote to memory of 1820 624 NAPSTAT.EXE cmd.exe PID 624 wrote to memory of 1820 624 NAPSTAT.EXE cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\INVPRF2100114_pdf.exe"C:\Users\Admin\AppData\Local\Temp\INVPRF2100114_pdf.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\INVPRF2100114_pdf.exe"C:\Users\Admin\AppData\Local\Temp\INVPRF2100114_pdf.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\NAPSTAT.EXE"C:\Windows\SysWOW64\NAPSTAT.EXE"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\INVPRF2100114_pdf.exe"3⤵
- Deletes itself
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/624-67-0x0000000000000000-mapping.dmp
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memory/624-72-0x00000000004D0000-0x0000000000560000-memory.dmpFilesize
576KB
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memory/624-70-0x0000000001F10000-0x0000000002213000-memory.dmpFilesize
3.0MB
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memory/624-69-0x0000000000080000-0x00000000000A9000-memory.dmpFilesize
164KB
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memory/624-68-0x0000000000160000-0x00000000001A6000-memory.dmpFilesize
280KB
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memory/864-61-0x0000000000400000-0x0000000000429000-memory.dmpFilesize
164KB
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memory/864-59-0x0000000000400000-0x0000000000429000-memory.dmpFilesize
164KB
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memory/864-62-0x000000000041D420-mapping.dmp
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memory/864-60-0x0000000000400000-0x0000000000429000-memory.dmpFilesize
164KB
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memory/864-65-0x0000000000560000-0x0000000000571000-memory.dmpFilesize
68KB
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memory/864-64-0x0000000000830000-0x0000000000B33000-memory.dmpFilesize
3.0MB
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memory/1356-66-0x0000000006790000-0x000000000687F000-memory.dmpFilesize
956KB
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memory/1356-73-0x0000000006AD0000-0x0000000006C40000-memory.dmpFilesize
1.4MB
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memory/1540-53-0x0000000001390000-0x0000000001391000-memory.dmpFilesize
4KB
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memory/1540-58-0x0000000004840000-0x000000000488B000-memory.dmpFilesize
300KB
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memory/1540-57-0x0000000000350000-0x000000000035A000-memory.dmpFilesize
40KB
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memory/1540-56-0x0000000000C90000-0x0000000000C91000-memory.dmpFilesize
4KB
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memory/1540-55-0x0000000075A71000-0x0000000075A73000-memory.dmpFilesize
8KB
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memory/1820-71-0x0000000000000000-mapping.dmp