Analysis
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max time kernel
147s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
13-12-2022 22:46
Static task
static1
Behavioral task
behavioral1
Sample
jetss4321.exe
Resource
win7-20221111-en
General
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Target
jetss4321.exe
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Size
213KB
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MD5
0f558015aea4fab0704f0a81241c95de
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SHA1
701d1f39fd047f93543d63fa93b7cdf6ef29d1ee
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SHA256
983fe597e0687a206126a3a25d356b3f30431883e692fb1744c7d655b9b6ee59
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SHA512
19da1777a225f9d9f59717506758eb448721d1ed534338919a181d1a5471a116560601125e5cda4f75e4720f962dfada522cabcede7a633bf36ea40c8f638425
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SSDEEP
6144:qweEpTH0JdteiykaUKT3CR+AVTCkTgp3c2n7Zp:bD0JWkICEk2ki3c41p
Malware Config
Extracted
formbook
4.1
je14
innervisionbuildings.com
theenergysocialite.com
565548.com
panghr.com
onlyonesolutions.com
stjohnzone6.com
cnotes.rest
helfeb.online
xixi-s-inc.club
easilyentered.com
theshopx.store
mrclean-ac.com
miamibeachwateradventures.com
jpearce.co.uk
seseragi-bunkou.com
minimaddie.com
commbank-help-849c3.com
segohandelsonderneming.com
namthanhreal.com
fototerapi.online
your-download.com
klindt.one
sellerscourt.com
francoislambert.store
smokedoutvapes.co.uk
rundacg.com
flavors-and-spices-lyon.com
qifengsuo.com
sunnyislesgardens.com
tunneldutransit.com
restorecodes.website
blast4me.com
bingser.space
co-gpco.com
emporioaliwen.com
mr5g.com
abcp666.com
consulvip.net
sagaming168.info
zjpbhsuz.top
socal-labworx.com
arethaglennevents.com
rafiqsiregar.com
esgh2.com
veirdmusic.com
abzcc.xyz
8065yp.com
dronebazar.com
duetpbr.com
apartamentoslaencantada.com
digigold.info
homedecorsuppliers.com
duenorthrm.com
xmmdsy.com
ddstennessee.com
marmeluz.com
ragnallhess.com
methinelli.com
randomlymetheseer.com
magicgrowthproducts.com
shreejistudio.com
mattress-37684.com
yellyfishfilms.com
www1111cpw.com
tigermedlagroup.com
Signatures
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Formbook payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/4164-139-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/4060-145-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/4060-150-0x0000000000400000-0x000000000042F000-memory.dmp formbook -
Executes dropped EXE 2 IoCs
Processes:
dddlirbk.exedddlirbk.exepid process 2100 dddlirbk.exe 4164 dddlirbk.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
dddlirbk.exedddlirbk.exeraserver.exedescription pid process target process PID 2100 set thread context of 4164 2100 dddlirbk.exe dddlirbk.exe PID 4164 set thread context of 3064 4164 dddlirbk.exe Explorer.EXE PID 4060 set thread context of 3064 4060 raserver.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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Suspicious behavior: EnumeratesProcesses 60 IoCs
Processes:
dddlirbk.exeraserver.exepid process 4164 dddlirbk.exe 4164 dddlirbk.exe 4164 dddlirbk.exe 4164 dddlirbk.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe 4060 raserver.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 3064 Explorer.EXE -
Suspicious behavior: MapViewOfSection 6 IoCs
Processes:
dddlirbk.exedddlirbk.exeraserver.exepid process 2100 dddlirbk.exe 4164 dddlirbk.exe 4164 dddlirbk.exe 4164 dddlirbk.exe 4060 raserver.exe 4060 raserver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
dddlirbk.exeraserver.exedescription pid process Token: SeDebugPrivilege 4164 dddlirbk.exe Token: SeDebugPrivilege 4060 raserver.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
jetss4321.exedddlirbk.exeExplorer.EXEraserver.exedescription pid process target process PID 4972 wrote to memory of 2100 4972 jetss4321.exe dddlirbk.exe PID 4972 wrote to memory of 2100 4972 jetss4321.exe dddlirbk.exe PID 4972 wrote to memory of 2100 4972 jetss4321.exe dddlirbk.exe PID 2100 wrote to memory of 4164 2100 dddlirbk.exe dddlirbk.exe PID 2100 wrote to memory of 4164 2100 dddlirbk.exe dddlirbk.exe PID 2100 wrote to memory of 4164 2100 dddlirbk.exe dddlirbk.exe PID 2100 wrote to memory of 4164 2100 dddlirbk.exe dddlirbk.exe PID 3064 wrote to memory of 4060 3064 Explorer.EXE raserver.exe PID 3064 wrote to memory of 4060 3064 Explorer.EXE raserver.exe PID 3064 wrote to memory of 4060 3064 Explorer.EXE raserver.exe PID 4060 wrote to memory of 5020 4060 raserver.exe cmd.exe PID 4060 wrote to memory of 5020 4060 raserver.exe cmd.exe PID 4060 wrote to memory of 5020 4060 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\jetss4321.exe"C:\Users\Admin\AppData\Local\Temp\jetss4321.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\dddlirbk.exe"C:\Users\Admin\AppData\Local\Temp\dddlirbk.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\dddlirbk.exe"C:\Users\Admin\AppData\Local\Temp\dddlirbk.exe"4⤵
- Executes dropped EXE
- 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:\Users\Admin\AppData\Local\Temp\dddlirbk.exe"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\bqinymrhxf.ygFilesize
5KB
MD51aaeec34da067db10371ba0d65bd2fdf
SHA1ab511719298e745360040a627d96ddba9f5aa9c5
SHA2561f0a4869a22601f432ba6b2630ee4b7b30d2a924cc18df5dda45ff89734c8931
SHA51222f2a8db2a256d919144a299b49c8f59193255a2ac53eed793cff20996e79ffe26fd0266bce143128d95ca2dc4863e835540068a5e51895025bf664272defca9
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C:\Users\Admin\AppData\Local\Temp\dddlirbk.exeFilesize
6KB
MD54e60205c6fc0bbcb23c9ca921ec6729a
SHA1a4b6d99ccab3feed7201d12afa33af49fee0375c
SHA25609c8312b73373be5eebddda230dc71540ca14b3ace63e3193410a8cde8e905c4
SHA512688afd27f6f1bef55f4ccb042037015e979e67c4d56a37340f45080ca690a18f9d168a6c4f8653c6e3da253b36e26191b504ee0c7eafd43a43fa2c82f6fa5d8b
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C:\Users\Admin\AppData\Local\Temp\dddlirbk.exeFilesize
6KB
MD54e60205c6fc0bbcb23c9ca921ec6729a
SHA1a4b6d99ccab3feed7201d12afa33af49fee0375c
SHA25609c8312b73373be5eebddda230dc71540ca14b3ace63e3193410a8cde8e905c4
SHA512688afd27f6f1bef55f4ccb042037015e979e67c4d56a37340f45080ca690a18f9d168a6c4f8653c6e3da253b36e26191b504ee0c7eafd43a43fa2c82f6fa5d8b
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C:\Users\Admin\AppData\Local\Temp\dddlirbk.exeFilesize
6KB
MD54e60205c6fc0bbcb23c9ca921ec6729a
SHA1a4b6d99ccab3feed7201d12afa33af49fee0375c
SHA25609c8312b73373be5eebddda230dc71540ca14b3ace63e3193410a8cde8e905c4
SHA512688afd27f6f1bef55f4ccb042037015e979e67c4d56a37340f45080ca690a18f9d168a6c4f8653c6e3da253b36e26191b504ee0c7eafd43a43fa2c82f6fa5d8b
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C:\Users\Admin\AppData\Local\Temp\dzotwnqy.huFilesize
185KB
MD53bea76e24c8cb495dee7e2a748025d30
SHA19f10de59f3dfb639e6fbe4236854fa73d6f78991
SHA256765bed83e6d866446fcd3fe7398f97e889c21a57f6bb4c2bd552c48e1b074a32
SHA5120a05cace5349e733526f51e2db95a794695fe71f8bcb645401a955d66dcd3d0b7af486df3572ad2fc9825d173edd243ffeab33e106abcead508c114c03c22592
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memory/2100-132-0x0000000000000000-mapping.dmp
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memory/3064-142-0x0000000007AF0000-0x0000000007BCC000-memory.dmpFilesize
880KB
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memory/3064-151-0x0000000008010000-0x0000000008186000-memory.dmpFilesize
1.5MB
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memory/3064-149-0x0000000008010000-0x0000000008186000-memory.dmpFilesize
1.5MB
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memory/4060-147-0x00000000024D0000-0x000000000281A000-memory.dmpFilesize
3.3MB
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memory/4060-143-0x0000000000000000-mapping.dmp
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memory/4060-145-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/4060-144-0x0000000000BB0000-0x0000000000BCF000-memory.dmpFilesize
124KB
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memory/4060-148-0x0000000002210000-0x00000000022A3000-memory.dmpFilesize
588KB
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memory/4060-150-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/4164-141-0x0000000000E00000-0x0000000000E14000-memory.dmpFilesize
80KB
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memory/4164-140-0x0000000001290000-0x00000000015DA000-memory.dmpFilesize
3.3MB
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memory/4164-139-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/4164-137-0x0000000000000000-mapping.dmp
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memory/5020-146-0x0000000000000000-mapping.dmp