Analysis
- max time kernel
149s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
31/03/2024, 02:42
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
net.exe
Resource
win7-20240221-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
net.exe
Resource
win10v2004-20240226-en
13 signatures
150 seconds
General
- Target net.exe
- Size 5.3MB
- Sample240331-c67a1ach47
- SHA256 432747c04ab478a654328867d7ca806b52fedf1572c74712fa8b7c0edb71df67
- MD5 de08b70c1b36bce2c90a34b9e5e61f09
- SHA1 1628635f073c61ad744d406a16d46dfac871c9c2
- SHA512 18a30e480ce7d122cfad5a99570042e3bef9e1f9feda1f7be32b273a7248274285c65ac997c90d3d6a950a37b4ea62e6b928bfefc924187c90e32ea571bfd1f5
- SSDEEP 98304:/+p+LLypykV4RJGIfsv7RynHr/x1leOzcv0nbzKIKFStIJ:/+pMLCYJ/svlUr/x1vzcvib+Ir
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect ZGRat V1 35 IoCs
resource yara_rule behavioral2/memory/704-2-0x0000000005880000-0x0000000005D30000-memory.dmp family_zgrat_v1 behavioral2/memory/704-3-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-6-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-8-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-10-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-12-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-14-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-16-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-18-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-20-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-4-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-22-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-24-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-26-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-28-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-30-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-32-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-34-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-36-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-38-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-40-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-42-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-44-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-46-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-48-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-50-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-52-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-54-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-56-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-58-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-60-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-62-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-64-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/704-66-0x0000000005880000-0x0000000005D2B000-memory.dmp family_zgrat_v1 behavioral2/memory/3684-4903-0x0000000004CC0000-0x0000000004F78000-memory.dmp family_zgrat_v1 - Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
- Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 1124 created 2644 1124 net.exe 44 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation net.exe - Executes dropped EXE 1 IoCs
pid Process 3684 BLHisbnd.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 704 set thread context of 1124 704 net.exe 96 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 IoCs
pid pid_target Process procid_target 2400 1124 WerFault.exe 96 4452 1124 WerFault.exe 96 - Runs net.exe
- Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1124 net.exe 1124 net.exe 640 dialer.exe 640 dialer.exe 640 dialer.exe 640 dialer.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 704 net.exe Token: SeDebugPrivilege 704 net.exe Token: SeDebugPrivilege 3684 BLHisbnd.exe - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 704 wrote to memory of 3684 704 net.exe 95 PID 704 wrote to memory of 3684 704 net.exe 95 PID 704 wrote to memory of 3684 704 net.exe 95 PID 704 wrote to memory of 1124 704 net.exe 96 PID 704 wrote to memory of 1124 704 net.exe 96 PID 704 wrote to memory of 1124 704 net.exe 96 PID 704 wrote to memory of 1124 704 net.exe 96 PID 704 wrote to memory of 1124 704 net.exe 96 PID 704 wrote to memory of 1124 704 net.exe 96 PID 704 wrote to memory of 1124 704 net.exe 96 PID 704 wrote to memory of 1124 704 net.exe 96 PID 704 wrote to memory of 1124 704 net.exe 96 PID 704 wrote to memory of 1124 704 net.exe 96 PID 1124 wrote to memory of 640 1124 net.exe 97 PID 1124 wrote to memory of 640 1124 net.exe 97 PID 1124 wrote to memory of 640 1124 net.exe 97 PID 1124 wrote to memory of 640 1124 net.exe 97 PID 1124 wrote to memory of 640 1124 net.exe 97
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:2644
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C:\Windows\SysWOW64\dialer.exe"C:\Windows\system32\dialer.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:640
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C:\Users\Admin\AppData\Local\Temp\net.exe"C:\Users\Admin\AppData\Local\Temp\net.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:704 -
C:\Users\Admin\AppData\Local\Temp\BLHisbnd.exe"C:\Users\Admin\AppData\Local\Temp\BLHisbnd.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3684
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C:\Users\Admin\AppData\Local\Temp\net.exe"C:\Users\Admin\AppData\Local\Temp\net.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1124 -s 4483⤵
- Program crash
PID:2400
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1124 -s 1803⤵
- Program crash
PID:4452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1124 -ip 11241⤵PID:3100
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1124 -ip 11241⤵PID:1356
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\BLHisbnd.exe
- Size 3.4MB
- SHA256 407e9094206a37707a368f4cd0103269c50b8c0c03edba87b4f20664d259f207
- MD5 e13e6f7986b9d1eff55fe30133592c40
- SHA1 8299d50b76990e9dc7e0a8cc67e2f4d44cb810f5
- SHA512 bb41209d410ff38c01279d119f646658e363a3055a4f152b6a2c76b9cdb1fb42441b243fa8f7fb7a353a1b0e78c619e499274185f40d8592e43551da46bd97a6
- SSDEEP 49152:ah+AyZk/7aAuRsWflOie87E7E21YoXzIVFoWB41934lyXrToSWIweMpM2Y2viQ2:aFifxNnRmI3R41937XrkSx03Ti9
- MD5 SHA1 SHA512 SSDEEP