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Analysis
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max time kernel
119s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21/09/2024, 01:44
Static task
static1
Behavioral task
behavioral1
Sample
bb405b380c623b401a5d4f6cc23b3d91ad871a76bd4dd19a6fce30f34d5f5784N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bb405b380c623b401a5d4f6cc23b3d91ad871a76bd4dd19a6fce30f34d5f5784N.exe
Resource
win10v2004-20240802-en
General
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Target
bb405b380c623b401a5d4f6cc23b3d91ad871a76bd4dd19a6fce30f34d5f5784N.exe
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Size
514KB
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MD5
dc53d3f643ba19a1c7967cc380660640
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SHA1
149b6e91d5039c843903765cc4e9f4b2b334559a
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SHA256
bb405b380c623b401a5d4f6cc23b3d91ad871a76bd4dd19a6fce30f34d5f5784
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SHA512
8b03d73a7d9d99235679087d9d5f1e0c50448454d847421f4b860f57c26b2b0a6460c415dcf340a3d4bd08b5e63ef6a51199cad737e1ed215f96a883514be66f
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SSDEEP
12288:l/lc87eqqV5e+wBV6O+NXJzwByDZJtwuSdd8wfG68XimP:l/SqqHeVBx4XJ0kxtSPJJKimP
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 412 iscsHost.exe 2412 hhll32.exe 3188 ~D07F.tmp -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RmClll32 = "C:\\Users\\Admin\\AppData\\Roaming\\ByteHost\\iscsHost.exe" bb405b380c623b401a5d4f6cc23b3d91ad871a76bd4dd19a6fce30f34d5f5784N.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\hhll32.exe bb405b380c623b401a5d4f6cc23b3d91ad871a76bd4dd19a6fce30f34d5f5784N.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hhll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bb405b380c623b401a5d4f6cc23b3d91ad871a76bd4dd19a6fce30f34d5f5784N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iscsHost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 412 iscsHost.exe 412 iscsHost.exe 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE 3360 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 412 iscsHost.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3360 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1684 wrote to memory of 412 1684 bb405b380c623b401a5d4f6cc23b3d91ad871a76bd4dd19a6fce30f34d5f5784N.exe 82 PID 1684 wrote to memory of 412 1684 bb405b380c623b401a5d4f6cc23b3d91ad871a76bd4dd19a6fce30f34d5f5784N.exe 82 PID 1684 wrote to memory of 412 1684 bb405b380c623b401a5d4f6cc23b3d91ad871a76bd4dd19a6fce30f34d5f5784N.exe 82 PID 412 wrote to memory of 3188 412 iscsHost.exe 84 PID 412 wrote to memory of 3188 412 iscsHost.exe 84 PID 3188 wrote to memory of 3360 3188 ~D07F.tmp 55
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:3360 -
C:\Users\Admin\AppData\Local\Temp\bb405b380c623b401a5d4f6cc23b3d91ad871a76bd4dd19a6fce30f34d5f5784N.exe"C:\Users\Admin\AppData\Local\Temp\bb405b380c623b401a5d4f6cc23b3d91ad871a76bd4dd19a6fce30f34d5f5784N.exe"2⤵
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Users\Admin\AppData\Roaming\ByteHost\iscsHost.exe"C:\Users\Admin\AppData\Roaming\ByteHost"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:412 -
C:\Users\Admin\AppData\Local\Temp\~D07F.tmp3360 526856 412 14⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3188
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C:\Windows\SysWOW64\hhll32.exeC:\Windows\SysWOW64\hhll32.exe -s1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2412
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD586dc243576cf5c7445451af37631eea9
SHA199a81c47c4c02f32c0ab456bfa23c306c7a09bf9
SHA25625d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a
SHA512c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4
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Filesize
514KB
MD5e2b85841c24981741bb70cfb739be35d
SHA1c42c168936c4994eed0afe7aceae50b494db1a92
SHA25690e4710435fffe6693af8abe20ea458ed3c2322b0f4f9d984fb3ee5e82bd974d
SHA5128bf1b5b67143fe16586e5277f2a570b84d7708ca06d858f566dd78c10eea1ce9e9fbc215aba782a722245fb908328fe528f786fa839af94fa1ab16246103cb4b