Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240319-en -
resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system -
submitted
02-04-2024 13:37
Static task
static1
Behavioral task
behavioral1
Sample
bnY2j1hTDlb4vxF.exe
Resource
win7-20240221-en
General
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Target
bnY2j1hTDlb4vxF.exe
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Size
610KB
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MD5
0b90be647821fb3812e6c340c6587fae
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SHA1
04ee5bf64f4fd6a512828a818c110697d19f18ab
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SHA256
12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4
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SHA512
d348ece6997947050c8b3c01df55f157767444892196c0bd001012c36c610b93696853f35080551e10bec6f4a15c1098cd1132acab84a697c4fed07deac34ab6
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SSDEEP
12288:233bFUoSfRmhTIJgWGdm6HrC/QpCiriaEHCnLEovkR:23pqf8TIJge6HrCy6hHCLEd
Malware Config
Extracted
formbook
4.1
ns03
dipity.tech
agathis.fun
ekaterinai.store
elizabethsbookshelf.com
smilesustainably.com
tapeworm.xyz
beatricesswarthout.xyz
nsrpackersandpackers.in
yedxec.xyz
gildedbeautyaesthitics.com
hanibalbechar.com
fichaphuman.net
adilosk.shop
geezaran.com
ventasemail.com
phonecasesdirect.store
rctjuc.shop
sukimossmanagement.com
caller-id.today
kft07.vip
mahbubamaahi.com
tcindustrie.net
ng-stl.com
vb4n53g4fh354gf5jh.top
repair-services.today
fonbnk.pro
olivabelle.com
pqeomjr.cc
elevatedblanks.net
ambiatec.solutions
quantumaster.online
pocket-option.tech
circly.net
focus2c.com
armacao-de-oculos.com
bmcj365.com
maxhealthunity.com
taifengtechnologyservice.com
zerolethal.com
dramaqu.guru
kukrejaassociates.in
jamesjenner.com
signature-perfect.com
fbaparadise.com
yandada.us
rcpbooks.site
celonstore.fun
dailynewarker.com
594545.xyz
chuanruhaomen.com
planetpost.lol
kinovod130424.pro
lavanced.com
leclandesparents.com
childnchestcare.com
taiyuanbaoyang.com
engagenotrage.com
halffullliving.com
scheuermannworks.com
oengpalworld.store
derech-hamagah.com
clintomator.com
velvetgloveseasonings.store
pkclubc.site
grupooceanique.com
Signatures
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Formbook payload 4 IoCs
resource yara_rule behavioral2/memory/3600-11-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/3600-16-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/492-22-0x0000000000340000-0x000000000036F000-memory.dmp formbook behavioral2/memory/492-24-0x0000000000340000-0x000000000036F000-memory.dmp formbook -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4972 set thread context of 3600 4972 bnY2j1hTDlb4vxF.exe 104 PID 3600 set thread context of 3508 3600 bnY2j1hTDlb4vxF.exe 56 PID 492 set thread context of 3508 492 svchost.exe 56 -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3600 bnY2j1hTDlb4vxF.exe 3600 bnY2j1hTDlb4vxF.exe 3600 bnY2j1hTDlb4vxF.exe 3600 bnY2j1hTDlb4vxF.exe 3600 bnY2j1hTDlb4vxF.exe 3600 bnY2j1hTDlb4vxF.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe 492 svchost.exe -
Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 3600 bnY2j1hTDlb4vxF.exe 3600 bnY2j1hTDlb4vxF.exe 3600 bnY2j1hTDlb4vxF.exe 492 svchost.exe 492 svchost.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 3600 bnY2j1hTDlb4vxF.exe Token: SeDebugPrivilege 492 svchost.exe Token: SeShutdownPrivilege 3508 Explorer.EXE Token: SeCreatePagefilePrivilege 3508 Explorer.EXE Token: SeShutdownPrivilege 3508 Explorer.EXE Token: SeCreatePagefilePrivilege 3508 Explorer.EXE Token: SeShutdownPrivilege 3508 Explorer.EXE Token: SeCreatePagefilePrivilege 3508 Explorer.EXE Token: SeShutdownPrivilege 3508 Explorer.EXE Token: SeCreatePagefilePrivilege 3508 Explorer.EXE -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3508 Explorer.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4972 wrote to memory of 3600 4972 bnY2j1hTDlb4vxF.exe 104 PID 4972 wrote to memory of 3600 4972 bnY2j1hTDlb4vxF.exe 104 PID 4972 wrote to memory of 3600 4972 bnY2j1hTDlb4vxF.exe 104 PID 4972 wrote to memory of 3600 4972 bnY2j1hTDlb4vxF.exe 104 PID 4972 wrote to memory of 3600 4972 bnY2j1hTDlb4vxF.exe 104 PID 4972 wrote to memory of 3600 4972 bnY2j1hTDlb4vxF.exe 104 PID 3508 wrote to memory of 492 3508 Explorer.EXE 105 PID 3508 wrote to memory of 492 3508 Explorer.EXE 105 PID 3508 wrote to memory of 492 3508 Explorer.EXE 105 PID 492 wrote to memory of 1388 492 svchost.exe 107 PID 492 wrote to memory of 1388 492 svchost.exe 107 PID 492 wrote to memory of 1388 492 svchost.exe 107
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3508 -
C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe"C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4972 -
C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe"C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3600
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C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:492 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe"3⤵PID:1388
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2092 --field-trial-handle=2288,i,10301911031503898037,2997280636231771547,262144 --variations-seed-version /prefetch:81⤵PID:3892