Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04-03-2024 05:04
Static task
static1
Behavioral task
behavioral1
Sample
b1493c9c3de438c1d925f3a4af556f04.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b1493c9c3de438c1d925f3a4af556f04.exe
Resource
win10v2004-20240226-en
General
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Target
b1493c9c3de438c1d925f3a4af556f04.exe
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Size
2.2MB
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MD5
b1493c9c3de438c1d925f3a4af556f04
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SHA1
16ba06f5872a5d79ad1dd835669a9d5f55cf10d2
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SHA256
418f4beab3913272a5ce86075202e67fe89a273c7840b53d0eccb0229dfea020
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SHA512
9556f48f59abd27cdd919fcb892de800d5291b012ebef9c4042804662f58f671fff8f700f3c22e9c6566f7994fcbd7cbadd35625faa1e17e5f72285b4359fad9
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SSDEEP
24576:0KtlfLm3/4s8krM4hsJgqGMDA2Q0CDwuJZqrMNCYjef9juun4MoTq0:Hj44VTgfH2r6qfpo2
Malware Config
Extracted
bitrat
1.38
111.90.158.139:1234
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communication_password
9d7e1007ecf7445a02f5ed83b32ff32c
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install_dir
svchost
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install_file
svchost.exe
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tor_process
tor
Signatures
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Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe b1493c9c3de438c1d925f3a4af556f04.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe b1493c9c3de438c1d925f3a4af556f04.exe -
Executes dropped EXE 2 IoCs
pid Process 2000 svchost.exe 2724 AddInProcess32.exe -
Loads dropped DLL 2 IoCs
pid Process 2912 b1493c9c3de438c1d925f3a4af556f04.exe 2000 svchost.exe -
resource yara_rule behavioral1/memory/2724-26-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-27-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-30-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-32-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-33-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-34-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-35-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-36-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-37-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-39-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-41-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-42-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-43-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-44-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-45-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-46-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-47-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-48-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-49-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-50-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral1/memory/2724-51-0x0000000000400000-0x00000000007E4000-memory.dmp upx -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\svchost.exe" reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\svchost\\svchost.exe" AddInProcess32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\svchost.exe" reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\svchost.exe" reg.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 2724 AddInProcess32.exe 2724 AddInProcess32.exe 2724 AddInProcess32.exe 2724 AddInProcess32.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2000 set thread context of 2724 2000 svchost.exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2912 b1493c9c3de438c1d925f3a4af556f04.exe 2912 b1493c9c3de438c1d925f3a4af556f04.exe 2912 b1493c9c3de438c1d925f3a4af556f04.exe 2000 svchost.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2912 b1493c9c3de438c1d925f3a4af556f04.exe Token: SeDebugPrivilege 2000 svchost.exe Token: SeDebugPrivilege 2724 AddInProcess32.exe Token: SeShutdownPrivilege 2724 AddInProcess32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2724 AddInProcess32.exe 2724 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2912 wrote to memory of 2528 2912 b1493c9c3de438c1d925f3a4af556f04.exe 28 PID 2912 wrote to memory of 2528 2912 b1493c9c3de438c1d925f3a4af556f04.exe 28 PID 2912 wrote to memory of 2528 2912 b1493c9c3de438c1d925f3a4af556f04.exe 28 PID 2912 wrote to memory of 2528 2912 b1493c9c3de438c1d925f3a4af556f04.exe 28 PID 2528 wrote to memory of 2692 2528 cmd.exe 30 PID 2528 wrote to memory of 2692 2528 cmd.exe 30 PID 2528 wrote to memory of 2692 2528 cmd.exe 30 PID 2528 wrote to memory of 2692 2528 cmd.exe 30 PID 2912 wrote to memory of 2000 2912 b1493c9c3de438c1d925f3a4af556f04.exe 33 PID 2912 wrote to memory of 2000 2912 b1493c9c3de438c1d925f3a4af556f04.exe 33 PID 2912 wrote to memory of 2000 2912 b1493c9c3de438c1d925f3a4af556f04.exe 33 PID 2912 wrote to memory of 2000 2912 b1493c9c3de438c1d925f3a4af556f04.exe 33 PID 2000 wrote to memory of 2724 2000 svchost.exe 34 PID 2000 wrote to memory of 2724 2000 svchost.exe 34 PID 2000 wrote to memory of 2724 2000 svchost.exe 34 PID 2000 wrote to memory of 2724 2000 svchost.exe 34 PID 2000 wrote to memory of 2724 2000 svchost.exe 34 PID 2000 wrote to memory of 2724 2000 svchost.exe 34 PID 2000 wrote to memory of 2724 2000 svchost.exe 34 PID 2000 wrote to memory of 2724 2000 svchost.exe 34 PID 2000 wrote to memory of 2028 2000 svchost.exe 35 PID 2000 wrote to memory of 2028 2000 svchost.exe 35 PID 2000 wrote to memory of 2028 2000 svchost.exe 35 PID 2000 wrote to memory of 2028 2000 svchost.exe 35 PID 2028 wrote to memory of 2300 2028 cmd.exe 37 PID 2028 wrote to memory of 2300 2028 cmd.exe 37 PID 2028 wrote to memory of 2300 2028 cmd.exe 37 PID 2028 wrote to memory of 2300 2028 cmd.exe 37 PID 2000 wrote to memory of 824 2000 svchost.exe 38 PID 2000 wrote to memory of 824 2000 svchost.exe 38 PID 2000 wrote to memory of 824 2000 svchost.exe 38 PID 2000 wrote to memory of 824 2000 svchost.exe 38 PID 824 wrote to memory of 1744 824 cmd.exe 40 PID 824 wrote to memory of 1744 824 cmd.exe 40 PID 824 wrote to memory of 1744 824 cmd.exe 40 PID 824 wrote to memory of 1744 824 cmd.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\b1493c9c3de438c1d925f3a4af556f04.exe"C:\Users\Admin\AppData\Local\Temp\b1493c9c3de438c1d925f3a4af556f04.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2912 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "svchost" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "svchost" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe"3⤵
- Adds Run key to start application
PID:2692
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"C:\Users\Admin\AppData\Local\Temp\\AddInProcess32.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2724
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "svchost" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "svchost" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe"4⤵
- Adds Run key to start application
PID:2300
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "svchost" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:824 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "svchost" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe"4⤵
- Adds Run key to start application
PID:1744
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
41KB
MD56a673bfc3b67ae9782cb31af2f234c68
SHA17544e89566d91e84e3cd437b9a073e5f6b56566e
SHA256978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e
SHA51272c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39
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Filesize
2.2MB
MD5b1493c9c3de438c1d925f3a4af556f04
SHA116ba06f5872a5d79ad1dd835669a9d5f55cf10d2
SHA256418f4beab3913272a5ce86075202e67fe89a273c7840b53d0eccb0229dfea020
SHA5129556f48f59abd27cdd919fcb892de800d5291b012ebef9c4042804662f58f671fff8f700f3c22e9c6566f7994fcbd7cbadd35625faa1e17e5f72285b4359fad9
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Filesize
103KB
MD58e7a1806e207754c612660a708326fce
SHA1c94e384b45ef9a7cc571f114fff783aeea84a907
SHA256e0d694d467e9e20d3e63ff52632e3fbbfcc27ce71a72f303bd88ef51bef0d09f
SHA51227bea6464fb82a3ed0d7a5a8909736396c1550a69b0321453a085b8979ac1ab95a9e5d8f30fb0480ccd79089eaedccbb8788f48502cc6eb9dbba27c19e25fede