Analysis
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max time kernel
150s -
max time network
147s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
02-11-2021 19:10
Static task
static1
Behavioral task
behavioral1
Sample
Bank Slip.exe
Resource
win7-en-20211014
General
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Target
Bank Slip.exe
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Size
687KB
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MD5
70b451bd89a63b00a420d5104fe67853
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SHA1
dc119895d29fd939c45ca5f839c4f94ee81df84d
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SHA256
9611957db07f36a13d7e43f5c32c08c0e3c44c689e7d88c832490e3d259cfb48
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SHA512
db248cf9b258a34dbf449ecce4b1e473adaff398bf0955cc4b700ca3aa881ad148d90a02a70958ba01087b04cfda9625a92cbaded8afe7000709b2ecf5a5d5e2
Malware Config
Extracted
formbook
4.1
r4gk
http://www.aprilsaak.quest/r4gk/
quantalix.com
animalblog-eggs.com
039skz.xyz
guttas.net
lasantadayparty.com
protegerfinanceservices.com
vixtest.xyz
digitaleconomy.global
0xpax.xyz
mobilehome1688.com
themotionpartners.com
valueney.com
hattuafhv.quest
js0061gj.net
360metaverse.biz
seculardata.com
346727688.xyz
smartmapom.com
moksel.com
exoduswatchco.com
cryptopazar.com
constructioncdr.com
teamlsu.club
vitalflowscam.com
participatetn.info
daysyou.com
beautifulhandwriting.net
risccredit.com
coachingwithkyle.com
tedthemusicguy.com
theukulelejournal.com
enpratikyemektarifleri.com
reaching-far.com
investmentcomp.com
digitalzonecorp.com
internet-treat.com
oligopoly.club
thepropertiesmatterlawfirm.com
jsi.money
8mlcvtd4y.com
tjc075kcn.xyz
floribunda.space
clinpic.com
zhizhengsf.com
thebestsmartphones.com
robertaeelton.com
upcxi.xyz
graywolfdesign.com
elitespeedco.com
asia99.asia
021parkert.com
seo-clicks7.com
com103940689794.icu
thegisguru.com
api-22nnys.com
srothientu.com
hfhcatering.com
strukuwehtet.quest
extramovies.quest
monamodda.com
markbuyskes.com
smartar8.xyz
illarrivelatebut.space
gestionestrategicadl.com
Signatures
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suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
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Formbook Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/2016-64-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral1/memory/2016-65-0x000000000041F110-mapping.dmp formbook behavioral1/memory/2016-70-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral1/memory/1472-77-0x0000000000090000-0x00000000000BF000-memory.dmp formbook -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1524 cmd.exe -
Suspicious use of SetThreadContext 4 IoCs
Processes:
Bank Slip.exeBank Slip.exerundll32.exedescription pid process target process PID 1668 set thread context of 2016 1668 Bank Slip.exe Bank Slip.exe PID 2016 set thread context of 1272 2016 Bank Slip.exe Explorer.EXE PID 2016 set thread context of 1272 2016 Bank Slip.exe Explorer.EXE PID 1472 set thread context of 1272 1472 rundll32.exe Explorer.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 21 IoCs
Processes:
Bank Slip.exeBank Slip.exerundll32.exepid process 1668 Bank Slip.exe 1668 Bank Slip.exe 1668 Bank Slip.exe 1668 Bank Slip.exe 1668 Bank Slip.exe 1668 Bank Slip.exe 1668 Bank Slip.exe 2016 Bank Slip.exe 2016 Bank Slip.exe 2016 Bank Slip.exe 1472 rundll32.exe 1472 rundll32.exe 1472 rundll32.exe 1472 rundll32.exe 1472 rundll32.exe 1472 rundll32.exe 1472 rundll32.exe 1472 rundll32.exe 1472 rundll32.exe 1472 rundll32.exe 1472 rundll32.exe -
Suspicious behavior: MapViewOfSection 6 IoCs
Processes:
Bank Slip.exerundll32.exepid process 2016 Bank Slip.exe 2016 Bank Slip.exe 2016 Bank Slip.exe 2016 Bank Slip.exe 1472 rundll32.exe 1472 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Bank Slip.exeBank Slip.exerundll32.exedescription pid process Token: SeDebugPrivilege 1668 Bank Slip.exe Token: SeDebugPrivilege 2016 Bank Slip.exe Token: SeDebugPrivilege 1472 rundll32.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
Explorer.EXEpid process 1272 Explorer.EXE 1272 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
Explorer.EXEpid process 1272 Explorer.EXE 1272 Explorer.EXE -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
Bank Slip.exeExplorer.EXErundll32.exedescription pid process target process PID 1668 wrote to memory of 1056 1668 Bank Slip.exe schtasks.exe PID 1668 wrote to memory of 1056 1668 Bank Slip.exe schtasks.exe PID 1668 wrote to memory of 1056 1668 Bank Slip.exe schtasks.exe PID 1668 wrote to memory of 1056 1668 Bank Slip.exe schtasks.exe PID 1668 wrote to memory of 2016 1668 Bank Slip.exe Bank Slip.exe PID 1668 wrote to memory of 2016 1668 Bank Slip.exe Bank Slip.exe PID 1668 wrote to memory of 2016 1668 Bank Slip.exe Bank Slip.exe PID 1668 wrote to memory of 2016 1668 Bank Slip.exe Bank Slip.exe PID 1668 wrote to memory of 2016 1668 Bank Slip.exe Bank Slip.exe PID 1668 wrote to memory of 2016 1668 Bank Slip.exe Bank Slip.exe PID 1668 wrote to memory of 2016 1668 Bank Slip.exe Bank Slip.exe PID 1272 wrote to memory of 1472 1272 Explorer.EXE rundll32.exe PID 1272 wrote to memory of 1472 1272 Explorer.EXE rundll32.exe PID 1272 wrote to memory of 1472 1272 Explorer.EXE rundll32.exe PID 1272 wrote to memory of 1472 1272 Explorer.EXE rundll32.exe PID 1272 wrote to memory of 1472 1272 Explorer.EXE rundll32.exe PID 1272 wrote to memory of 1472 1272 Explorer.EXE rundll32.exe PID 1272 wrote to memory of 1472 1272 Explorer.EXE rundll32.exe PID 1472 wrote to memory of 1524 1472 rundll32.exe cmd.exe PID 1472 wrote to memory of 1524 1472 rundll32.exe cmd.exe PID 1472 wrote to memory of 1524 1472 rundll32.exe cmd.exe PID 1472 wrote to memory of 1524 1472 rundll32.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
PID:1272 -
C:\Users\Admin\AppData\Local\Temp\Bank Slip.exe"C:\Users\Admin\AppData\Local\Temp\Bank Slip.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JtkCutZjRQvsVL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp45D6.tmp"3⤵
- Creates scheduled task(s)
PID:1056 -
C:\Users\Admin\AppData\Local\Temp\Bank Slip.exe"C:\Users\Admin\AppData\Local\Temp\Bank Slip.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2016 -
C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵PID:1784
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\Bank Slip.exe"3⤵
- Deletes itself
PID:1524
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1056-61-0x0000000000000000-mapping.dmp
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memory/1272-72-0x0000000006650000-0x000000000673E000-memory.dmpFilesize
952KB
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memory/1272-80-0x0000000007C60000-0x0000000007DC1000-memory.dmpFilesize
1.4MB
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memory/1272-69-0x0000000006350000-0x000000000641D000-memory.dmpFilesize
820KB
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memory/1472-79-0x0000000001ED0000-0x0000000001F63000-memory.dmpFilesize
588KB
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memory/1472-76-0x00000000008A0000-0x00000000008AE000-memory.dmpFilesize
56KB
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memory/1472-78-0x0000000002170000-0x0000000002473000-memory.dmpFilesize
3.0MB
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memory/1472-77-0x0000000000090000-0x00000000000BF000-memory.dmpFilesize
188KB
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memory/1472-73-0x0000000000000000-mapping.dmp
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memory/1524-75-0x0000000000000000-mapping.dmp
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memory/1668-59-0x0000000000410000-0x0000000000417000-memory.dmpFilesize
28KB
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memory/1668-58-0x0000000005190000-0x0000000005191000-memory.dmpFilesize
4KB
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memory/1668-55-0x0000000000A10000-0x0000000000A11000-memory.dmpFilesize
4KB
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memory/1668-57-0x0000000075C21000-0x0000000075C23000-memory.dmpFilesize
8KB
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memory/1668-60-0x00000000044D0000-0x0000000004522000-memory.dmpFilesize
328KB
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memory/2016-67-0x0000000000AD0000-0x0000000000DD3000-memory.dmpFilesize
3.0MB
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memory/2016-65-0x000000000041F110-mapping.dmp
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memory/2016-71-0x0000000000520000-0x0000000000534000-memory.dmpFilesize
80KB
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memory/2016-70-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/2016-64-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/2016-63-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/2016-62-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/2016-68-0x00000000003B0000-0x00000000003C4000-memory.dmpFilesize
80KB