Analysis
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max time kernel
149s -
max time network
133s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-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 behavioral1/memory/948-64-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral1/memory/936-70-0x00000000000C0000-0x00000000000EF000-memory.dmp formbook behavioral1/memory/936-75-0x00000000000C0000-0x00000000000EF000-memory.dmp formbook -
Blocklisted process makes network request 1 IoCs
Processes:
cmd.exeflow pid process 11 936 cmd.exe -
Executes dropped EXE 2 IoCs
Processes:
dddlirbk.exedddlirbk.exepid process 1536 dddlirbk.exe 948 dddlirbk.exe -
Loads dropped DLL 2 IoCs
Processes:
jetss4321.exedddlirbk.exepid process 1672 jetss4321.exe 1536 dddlirbk.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
dddlirbk.exedddlirbk.execmd.exedescription pid process target process PID 1536 set thread context of 948 1536 dddlirbk.exe dddlirbk.exe PID 948 set thread context of 1280 948 dddlirbk.exe Explorer.EXE PID 936 set thread context of 1280 936 cmd.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 28 IoCs
Processes:
dddlirbk.execmd.exepid process 948 dddlirbk.exe 948 dddlirbk.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe 936 cmd.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 1280 Explorer.EXE -
Suspicious behavior: MapViewOfSection 6 IoCs
Processes:
dddlirbk.exedddlirbk.execmd.exepid process 1536 dddlirbk.exe 948 dddlirbk.exe 948 dddlirbk.exe 948 dddlirbk.exe 936 cmd.exe 936 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
dddlirbk.execmd.exedescription pid process Token: SeDebugPrivilege 948 dddlirbk.exe Token: SeDebugPrivilege 936 cmd.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
Explorer.EXEpid process 1280 Explorer.EXE 1280 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
Explorer.EXEpid process 1280 Explorer.EXE 1280 Explorer.EXE -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
jetss4321.exedddlirbk.exeExplorer.EXEcmd.exedescription pid process target process PID 1672 wrote to memory of 1536 1672 jetss4321.exe dddlirbk.exe PID 1672 wrote to memory of 1536 1672 jetss4321.exe dddlirbk.exe PID 1672 wrote to memory of 1536 1672 jetss4321.exe dddlirbk.exe PID 1672 wrote to memory of 1536 1672 jetss4321.exe dddlirbk.exe PID 1536 wrote to memory of 948 1536 dddlirbk.exe dddlirbk.exe PID 1536 wrote to memory of 948 1536 dddlirbk.exe dddlirbk.exe PID 1536 wrote to memory of 948 1536 dddlirbk.exe dddlirbk.exe PID 1536 wrote to memory of 948 1536 dddlirbk.exe dddlirbk.exe PID 1536 wrote to memory of 948 1536 dddlirbk.exe dddlirbk.exe PID 1280 wrote to memory of 936 1280 Explorer.EXE cmd.exe PID 1280 wrote to memory of 936 1280 Explorer.EXE cmd.exe PID 1280 wrote to memory of 936 1280 Explorer.EXE cmd.exe PID 1280 wrote to memory of 936 1280 Explorer.EXE cmd.exe PID 936 wrote to memory of 580 936 cmd.exe cmd.exe PID 936 wrote to memory of 580 936 cmd.exe cmd.exe PID 936 wrote to memory of 580 936 cmd.exe cmd.exe PID 936 wrote to memory of 580 936 cmd.exe cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- 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⤵
- Loads dropped DLL
- 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
- Loads dropped DLL
- 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\cmd.exe"C:\Windows\SysWOW64\cmd.exe"2⤵
- Blocklisted process makes network request
- 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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\Users\Admin\AppData\Local\Temp\dddlirbk.exeFilesize
6KB
MD54e60205c6fc0bbcb23c9ca921ec6729a
SHA1a4b6d99ccab3feed7201d12afa33af49fee0375c
SHA25609c8312b73373be5eebddda230dc71540ca14b3ace63e3193410a8cde8e905c4
SHA512688afd27f6f1bef55f4ccb042037015e979e67c4d56a37340f45080ca690a18f9d168a6c4f8653c6e3da253b36e26191b504ee0c7eafd43a43fa2c82f6fa5d8b
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\Users\Admin\AppData\Local\Temp\dddlirbk.exeFilesize
6KB
MD54e60205c6fc0bbcb23c9ca921ec6729a
SHA1a4b6d99ccab3feed7201d12afa33af49fee0375c
SHA25609c8312b73373be5eebddda230dc71540ca14b3ace63e3193410a8cde8e905c4
SHA512688afd27f6f1bef55f4ccb042037015e979e67c4d56a37340f45080ca690a18f9d168a6c4f8653c6e3da253b36e26191b504ee0c7eafd43a43fa2c82f6fa5d8b
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memory/580-71-0x0000000000000000-mapping.dmp
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memory/936-72-0x0000000001F20000-0x0000000002223000-memory.dmpFilesize
3.0MB
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memory/936-73-0x00000000003B0000-0x0000000000443000-memory.dmpFilesize
588KB
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memory/936-68-0x0000000000000000-mapping.dmp
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memory/936-69-0x000000004A080000-0x000000004A0CC000-memory.dmpFilesize
304KB
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memory/936-70-0x00000000000C0000-0x00000000000EF000-memory.dmpFilesize
188KB
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memory/936-75-0x00000000000C0000-0x00000000000EF000-memory.dmpFilesize
188KB
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memory/948-64-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/948-65-0x0000000000850000-0x0000000000B53000-memory.dmpFilesize
3.0MB
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memory/948-66-0x0000000000150000-0x0000000000164000-memory.dmpFilesize
80KB
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memory/948-62-0x000000000041F120-mapping.dmp
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memory/1280-67-0x0000000004150000-0x000000000425C000-memory.dmpFilesize
1.0MB
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memory/1280-74-0x0000000002C50000-0x0000000002D37000-memory.dmpFilesize
924KB
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memory/1280-76-0x0000000002C50000-0x0000000002D37000-memory.dmpFilesize
924KB
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memory/1280-77-0x000007FEF6690000-0x000007FEF67D3000-memory.dmpFilesize
1.3MB
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memory/1280-78-0x000007FE8DA40000-0x000007FE8DA4A000-memory.dmpFilesize
40KB
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memory/1536-56-0x0000000000000000-mapping.dmp
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memory/1672-54-0x00000000764C1000-0x00000000764C3000-memory.dmpFilesize
8KB