Analysis
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max time kernel
122s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
26-02-2024 22:05
Static task
static1
Behavioral task
behavioral1
Sample
a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe
Resource
win10v2004-20240226-en
General
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Target
a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe
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Size
482KB
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MD5
535ddefbc9a7f3bb8decc1705b76d42f
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SHA1
73b4d446faa4862fef3623c4f404b26941e9ac6c
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SHA256
a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3
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SHA512
f0ff010ad37bf3b21a7d038abfe4d2ade41420737f669fbaae0ba9d81e6150a8053383301bca62d5028298eb4167168e0fc5f1d425b8fbeb8a077cd0c65baeea
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SSDEEP
6144:uPpJYbryZGXSR/NxwLv1PWNemY2BzOpGZzN28qRdVlZ3VmE:uPpibryAXSR/Nav1WNemYWRaV
Malware Config
Extracted
netwire
194.147.140.14:4550
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activex_autorun
false
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copy_executable
false
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delete_original
false
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host_id
THANA
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install_path
%AppData%\Install\Host.exe
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keylogger_dir
TestLink.lnk
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lock_executable
false
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offline_keylogger
false
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password
DrvbK8mdyY4F6Uh
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registry_autorun
false
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use_mutex
false
Signatures
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Detect PureCrypter injector 1 IoCs
resource yara_rule behavioral1/memory/2372-5-0x0000000000470000-0x00000000004BE000-memory.dmp family_purecrypter -
PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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Detects executables packed with SmartAssembly 1 IoCs
resource yara_rule behavioral1/memory/2372-5-0x0000000000470000-0x00000000004BE000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly -
Executes dropped EXE 1 IoCs
pid Process 2736 Host.exe -
Loads dropped DLL 1 IoCs
pid Process 1048 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2372 set thread context of 1048 2372 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe 30 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2372 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2372 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe Token: SeDebugPrivilege 2736 Host.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2372 wrote to memory of 1048 2372 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe 30 PID 2372 wrote to memory of 1048 2372 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe 30 PID 2372 wrote to memory of 1048 2372 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe 30 PID 2372 wrote to memory of 1048 2372 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe 30 PID 2372 wrote to memory of 1048 2372 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe 30 PID 2372 wrote to memory of 1048 2372 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe 30 PID 2372 wrote to memory of 1048 2372 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe 30 PID 2372 wrote to memory of 1048 2372 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe 30 PID 2372 wrote to memory of 1048 2372 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe 30 PID 1048 wrote to memory of 2736 1048 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe 31 PID 1048 wrote to memory of 2736 1048 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe 31 PID 1048 wrote to memory of 2736 1048 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe 31 PID 1048 wrote to memory of 2736 1048 a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe"C:\Users\Admin\AppData\Local\Temp\a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\Users\Admin\AppData\Local\Temp\a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exeC:\Users\Admin\AppData\Local\Temp\a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\Users\Admin\AppData\Roaming\Install\Host.exe"C:\Users\Admin\AppData\Roaming\Install\Host.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2736
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
482KB
MD5535ddefbc9a7f3bb8decc1705b76d42f
SHA173b4d446faa4862fef3623c4f404b26941e9ac6c
SHA256a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3
SHA512f0ff010ad37bf3b21a7d038abfe4d2ade41420737f669fbaae0ba9d81e6150a8053383301bca62d5028298eb4167168e0fc5f1d425b8fbeb8a077cd0c65baeea