Analysis
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max time kernel
152s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2023 14:24
Static task
static1
Behavioral task
behavioral1
Sample
bawo.exe
Resource
win7-20230831-en
General
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Target
bawo.exe
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Size
7.8MB
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MD5
b8d03a02e654dfc840f21297b8dc99b2
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SHA1
615aced62a15e9a1733bfb2c390ba83f024bbbd7
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SHA256
40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef
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SHA512
5f9b459df94dac7dc17f90a8dc53d968c3c0e2fc5c41b107ece1683621ef887d8f01abeec04ec0d9beb87fd11c54f39d71c7ec5c2502ec1db68ffacd018c4194
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SSDEEP
196608:KUYuomDLdUgXNjeOoUoB/mZMnsDJKB4o+uBxKd8c:TzoQLd0O6B7c0BTLjbc
Malware Config
Extracted
bitrat
1.38
bitnow7005.duckdns.org:7005
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communication_password
827ccb0eea8a706c4c34a16891f84e7b
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tor_process
tor
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4068 svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3752 set thread context of 4124 3752 bawo.exe 91 -
Program crash 1 IoCs
pid pid_target Process procid_target 1192 4124 WerFault.exe 91 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4880 schtasks.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 3752 wrote to memory of 4124 3752 bawo.exe 91 PID 3752 wrote to memory of 4124 3752 bawo.exe 91 PID 3752 wrote to memory of 4124 3752 bawo.exe 91 PID 3752 wrote to memory of 4124 3752 bawo.exe 91 PID 3752 wrote to memory of 4124 3752 bawo.exe 91 PID 3752 wrote to memory of 4124 3752 bawo.exe 91 PID 3752 wrote to memory of 4124 3752 bawo.exe 91 PID 3752 wrote to memory of 4124 3752 bawo.exe 91 PID 3752 wrote to memory of 4124 3752 bawo.exe 91 PID 3752 wrote to memory of 4124 3752 bawo.exe 91 PID 3752 wrote to memory of 4124 3752 bawo.exe 91 PID 3752 wrote to memory of 4876 3752 bawo.exe 95 PID 3752 wrote to memory of 4876 3752 bawo.exe 95 PID 3752 wrote to memory of 4876 3752 bawo.exe 95 PID 3752 wrote to memory of 2988 3752 bawo.exe 100 PID 3752 wrote to memory of 2988 3752 bawo.exe 100 PID 3752 wrote to memory of 2988 3752 bawo.exe 100 PID 3752 wrote to memory of 4596 3752 bawo.exe 96 PID 3752 wrote to memory of 4596 3752 bawo.exe 96 PID 3752 wrote to memory of 4596 3752 bawo.exe 96 PID 2988 wrote to memory of 4880 2988 cmd.exe 102 PID 2988 wrote to memory of 4880 2988 cmd.exe 102 PID 2988 wrote to memory of 4880 2988 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\bawo.exe"C:\Users\Admin\AppData\Local\Temp\bawo.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3752 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:4124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 5403⤵
- Program crash
PID:1192
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C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:4876
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\bawo.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"2⤵PID:4596
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C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f2⤵
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f3⤵
- Creates scheduled task(s)
PID:4880
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4124 -ip 41241⤵PID:3540
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C:\Users\Admin\AppData\Roaming\svchost\svchost.exeC:\Users\Admin\AppData\Roaming\svchost\svchost.exe1⤵
- Executes dropped EXE
PID:4068
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
7.8MB
MD5b8d03a02e654dfc840f21297b8dc99b2
SHA1615aced62a15e9a1733bfb2c390ba83f024bbbd7
SHA25640f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef
SHA5125f9b459df94dac7dc17f90a8dc53d968c3c0e2fc5c41b107ece1683621ef887d8f01abeec04ec0d9beb87fd11c54f39d71c7ec5c2502ec1db68ffacd018c4194
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Filesize
7.8MB
MD5b8d03a02e654dfc840f21297b8dc99b2
SHA1615aced62a15e9a1733bfb2c390ba83f024bbbd7
SHA25640f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef
SHA5125f9b459df94dac7dc17f90a8dc53d968c3c0e2fc5c41b107ece1683621ef887d8f01abeec04ec0d9beb87fd11c54f39d71c7ec5c2502ec1db68ffacd018c4194