Analysis
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max time kernel
73s -
max time network
179s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
26-11-2022 08:39
Static task
static1
Behavioral task
behavioral1
Sample
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe
Resource
win7-20221111-en
General
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Target
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe
-
Size
1.6MB
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MD5
4cf57fa727908098c71016a2625227fe
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SHA1
90eb16626af1b2702ff2dcf917d3cf420c16371d
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SHA256
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26
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SHA512
5a1f050038b760fff2825eaa27fe8ba11afd4310c7e3ec3bb7a9b47d7d323f434ebbb886ea575c8712ee7ff1d96c267390f187b7ac24083fe05acc08c711f50e
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SSDEEP
49152:LcUgV2tQKD3ZxVhojQczd+kIsu7k71LlRRpb6:vtprfosczdfuU1Lzb
Malware Config
Extracted
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
[email protected] - Password:
okahmkyfgztfwemq
Signatures
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Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 whatismyipaddress.com 6 whatismyipaddress.com 7 whatismyipaddress.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exedescription pid process target process PID 2036 set thread context of 1688 2036 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 1688 set thread context of 1040 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 set thread context of 1972 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exepid process 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exevbc.exevbc.exedescription pid process Token: SeDebugPrivilege 2036 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe Token: SeDebugPrivilege 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe Token: SeDebugPrivilege 1040 vbc.exe Token: SeDebugPrivilege 1972 vbc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exepid process 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exedescription pid process target process PID 2036 wrote to memory of 1688 2036 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 2036 wrote to memory of 1688 2036 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 2036 wrote to memory of 1688 2036 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 2036 wrote to memory of 1688 2036 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 2036 wrote to memory of 1688 2036 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 2036 wrote to memory of 1688 2036 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 2036 wrote to memory of 1688 2036 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 2036 wrote to memory of 1688 2036 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 2036 wrote to memory of 1688 2036 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 1688 wrote to memory of 1040 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1040 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1040 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1040 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1040 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1040 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1040 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1040 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1040 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1040 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1972 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1972 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1972 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1972 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1972 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1972 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1972 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1972 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1972 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 1688 wrote to memory of 1972 1688 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe"C:\Users\Admin\AppData\Local\Temp\4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe"1⤵
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe"C:\Users\Admin\AppData\Local\Temp\4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" -f "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" -f "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\holdermail.txtFilesize
400B
MD5de4e5ff058882957cf8a3b5f839a031f
SHA10b3d8279120fb5fa27efbd9eee89695aa040fc24
SHA256ef54f46b9f1e342fc12e035ae94f57c61ea4e8be4e116f0a1c6f86310f400f49
SHA512a6b0d557e9eec4e56630e5ba64495df318f4fd959fffbdcbf77831185b067906917c9117a0ecd6ac817c7860d5d831cce15820d715657d81e2d817d9fab9fb72
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memory/1040-72-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/1040-102-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/1040-86-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/1040-84-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/1040-81-0x0000000000462B6D-mapping.dmp
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memory/1040-80-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/1040-79-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/1040-77-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/1040-75-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/1040-73-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
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memory/1688-67-0x0000000000400000-0x0000000000522000-memory.dmpFilesize
1.1MB
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memory/1688-57-0x0000000000400000-0x0000000000522000-memory.dmpFilesize
1.1MB
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memory/1688-103-0x0000000002095000-0x00000000020A6000-memory.dmpFilesize
68KB
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memory/1688-69-0x00000000747D0000-0x0000000074D7B000-memory.dmpFilesize
5.7MB
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memory/1688-65-0x0000000000400000-0x0000000000522000-memory.dmpFilesize
1.1MB
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memory/1688-56-0x0000000000400000-0x0000000000522000-memory.dmpFilesize
1.1MB
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memory/1688-63-0x000000000051BB6E-mapping.dmp
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memory/1688-62-0x0000000000400000-0x0000000000522000-memory.dmpFilesize
1.1MB
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memory/1688-61-0x0000000000400000-0x0000000000522000-memory.dmpFilesize
1.1MB
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memory/1688-59-0x0000000000400000-0x0000000000522000-memory.dmpFilesize
1.1MB
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memory/1688-85-0x0000000002095000-0x00000000020A6000-memory.dmpFilesize
68KB
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memory/1688-71-0x00000000747D0000-0x0000000074D7B000-memory.dmpFilesize
5.7MB
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memory/1972-87-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/1972-88-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/1972-92-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/1972-90-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/1972-94-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/1972-96-0x0000000000460E2D-mapping.dmp
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memory/1972-95-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/1972-99-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/1972-100-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/2036-54-0x0000000076381000-0x0000000076383000-memory.dmpFilesize
8KB
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memory/2036-55-0x00000000747D0000-0x0000000074D7B000-memory.dmpFilesize
5.7MB
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memory/2036-70-0x00000000747D0000-0x0000000074D7B000-memory.dmpFilesize
5.7MB