Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
21-10-2021 11:21
Static task
static1
Behavioral task
behavioral1
Sample
pedido urgente pdf.exe
Resource
win7-en-20210920
General
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Target
pedido urgente pdf.exe
-
Size
973KB
-
MD5
42c8d23c057b69d3059dfd7bb4af736e
-
SHA1
a5f7fe4e31d69c1e452f513ba79b57ef57079b23
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SHA256
d90b2ee420fc51d84a0c3c3fe2ae4e13b6313cd030be264440538a396dfe7956
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SHA512
b524f68ed82306acbc3422f6475071bb05e3c9e72510a70784e08f9b2561b962beba6847e4679bd24247c7899e84b7799b2f1171decab195a456e181725f3ad6
Malware Config
Extracted
formbook
4.1
n7ak
http://www.kmresults.com/n7ak/
modischoolcbse.com
theneverwinter.com
rszkjx-vps-hosting.website
fnihil.com
1pbet.com
nnowzscorrez.com
uaotgvjl.icu
starmapsqatar.com
ekisilani.com
extradeepsheets.com
jam-nins.com
buranly.com
orixentertainment.com
rawtech.energy
myol.guru
utex.club
jiapie.com
wowig.store
wweidlyyl.com
systaskautomation.com
citromudas3a.com
plasticstone.icu
pawchamamapet.com
beautybybby.com
mor-n-mor.com
getoffyourhighhorses.com
chieucaochoban9.xyz
grahamevansmp.com
amplaassessoria.net
nutricookindia.com
wazymbex.icu
joansironing.com
hallforless.com
mycourseprofits.com
precps.com
cookislandstourismpodcast.com
bestonlinedealslive.com
bug.chat
ptjbtoqonjtrwpvkfgmjvwp.com
tortniespodzianka.store
qxkbjgj.icu
aurashape.com
guinealive.com
mondialeresources.com
offthebreak.site
maxamproductivity.com
thebiztip.com
thelocalrea.com
laeducacionadistancia.com
inpakgroup.com
lvgang360.com
allvegangoods.com
tymudanzaramos.com
simpleframeswork.com
thehappycars.com
directfenetres.net
norskatferdsterapi.com
hostingcnx.com
ksmh5x.com
thespiritworldinvitational.com
jetsetwilly3.com
gameflexdev.com
tryhuge.com
vaporvspaper.com
Signatures
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suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
-
Formbook Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1984-117-0x0000000000000000-mapping.dmp formbook behavioral2/memory/1984-119-0x0000000072480000-0x00000000724AE000-memory.dmp formbook behavioral2/memory/588-127-0x0000000002C00000-0x0000000002C2E000-memory.dmp formbook -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
pedido urgente pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\Gsdjit = "C:\\Users\\Public\\tijdsG.url" pedido urgente pdf.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
secinit.exeraserver.exedescription pid process target process PID 1984 set thread context of 3056 1984 secinit.exe Explorer.EXE PID 588 set thread context of 3056 588 raserver.exe Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 56 IoCs
Processes:
secinit.exeraserver.exepid process 1984 secinit.exe 1984 secinit.exe 1984 secinit.exe 1984 secinit.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe 588 raserver.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 3056 Explorer.EXE -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
secinit.exeraserver.exepid process 1984 secinit.exe 1984 secinit.exe 1984 secinit.exe 588 raserver.exe 588 raserver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
secinit.exeraserver.exedescription pid process Token: SeDebugPrivilege 1984 secinit.exe Token: SeDebugPrivilege 588 raserver.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
pedido urgente pdf.exeExplorer.EXEraserver.exedescription pid process target process PID 2668 wrote to memory of 1984 2668 pedido urgente pdf.exe secinit.exe PID 2668 wrote to memory of 1984 2668 pedido urgente pdf.exe secinit.exe PID 2668 wrote to memory of 1984 2668 pedido urgente pdf.exe secinit.exe PID 2668 wrote to memory of 1984 2668 pedido urgente pdf.exe secinit.exe PID 2668 wrote to memory of 1984 2668 pedido urgente pdf.exe secinit.exe PID 2668 wrote to memory of 1984 2668 pedido urgente pdf.exe secinit.exe PID 3056 wrote to memory of 588 3056 Explorer.EXE raserver.exe PID 3056 wrote to memory of 588 3056 Explorer.EXE raserver.exe PID 3056 wrote to memory of 588 3056 Explorer.EXE raserver.exe PID 588 wrote to memory of 1040 588 raserver.exe cmd.exe PID 588 wrote to memory of 1040 588 raserver.exe cmd.exe PID 588 wrote to memory of 1040 588 raserver.exe cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\pedido urgente pdf.exe"C:\Users\Admin\AppData\Local\Temp\pedido urgente pdf.exe"2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\secinit.exeC:\Windows\System32\secinit.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\raserver.exe"C:\Windows\SysWOW64\raserver.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:\Windows\SysWOW64\secinit.exe"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/588-124-0x0000000000000000-mapping.dmp
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memory/588-129-0x0000000004350000-0x00000000043E3000-memory.dmpFilesize
588KB
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memory/588-128-0x00000000044E0000-0x0000000004800000-memory.dmpFilesize
3.1MB
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memory/588-126-0x0000000000820000-0x000000000083F000-memory.dmpFilesize
124KB
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memory/588-127-0x0000000002C00000-0x0000000002C2E000-memory.dmpFilesize
184KB
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memory/1040-125-0x0000000000000000-mapping.dmp
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memory/1984-119-0x0000000072480000-0x00000000724AE000-memory.dmpFilesize
184KB
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memory/1984-122-0x0000000001000000-0x0000000001014000-memory.dmpFilesize
80KB
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memory/1984-120-0x00000000046A0000-0x00000000049C0000-memory.dmpFilesize
3.1MB
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memory/1984-118-0x0000000000C30000-0x0000000000C31000-memory.dmpFilesize
4KB
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memory/1984-117-0x0000000000000000-mapping.dmp
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memory/2668-115-0x0000000000670000-0x0000000000671000-memory.dmpFilesize
4KB
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memory/2668-116-0x0000000000691000-0x00000000006A5000-memory.dmpFilesize
80KB
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memory/3056-123-0x0000000006140000-0x00000000062C6000-memory.dmpFilesize
1.5MB
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memory/3056-130-0x00000000022B0000-0x0000000002348000-memory.dmpFilesize
608KB