Analysis
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max time kernel
143s -
max time network
88s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
11-10-2023 14:27
Static task
static1
Behavioral task
behavioral1
Sample
dochus20230925.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
dochus20230925.exe
Resource
win10v2004-20230915-en
General
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Target
dochus20230925.exe
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Size
1.0MB
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MD5
363044c48c8d035c08cddcdb22bb0838
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SHA1
6ae25dd4586629db60429c3c66cac81ee735c9dc
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SHA256
7d31211e88bbc31cd128c1b5a3ae9e1dbbb823b449f807e3d3a6669047810dc1
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SHA512
c98eff4c05ccd72906c50ea863cece139ea27ef3aba9ed5c19c32338006b092b18176d628345695000a0d4d3ba5a99f9990ff29f1d2ebb716a5e3ea57f85b302
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SSDEEP
24576:eRT5oEFwWfz/1sAsSn46qttH6n6MYAUH+5ZxGIAU:eN5EWr/1sZSn46qX5J+5ZxRh
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.product-secured.com - Port:
587 - Username:
[email protected] - Password:
2V8SHFwjad34@@## - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Executes dropped EXE 4 IoCs
pid Process 2784 svchost.exe 1560 svchost.exe 1928 svchost.exe 1904 svchost.exe -
Loads dropped DLL 2 IoCs
pid Process 2076 dochus20230925.exe 2784 svchost.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dochus20230925.exe Key opened \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dochus20230925.exe Key opened \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dochus20230925.exe Key opened \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2076 set thread context of 2140 2076 dochus20230925.exe 28 PID 2784 set thread context of 1928 2784 svchost.exe 42 PID 1560 set thread context of 1904 1560 svchost.exe 50 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2008 schtasks.exe 1328 schtasks.exe 2540 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2140 dochus20230925.exe 2140 dochus20230925.exe 1904 svchost.exe 1904 svchost.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
pid Process 1928 svchost.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2140 dochus20230925.exe Token: SeDebugPrivilege 1904 svchost.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2140 dochus20230925.exe 1904 svchost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2076 wrote to memory of 2140 2076 dochus20230925.exe 28 PID 2076 wrote to memory of 2140 2076 dochus20230925.exe 28 PID 2076 wrote to memory of 2140 2076 dochus20230925.exe 28 PID 2076 wrote to memory of 2140 2076 dochus20230925.exe 28 PID 2076 wrote to memory of 2140 2076 dochus20230925.exe 28 PID 2076 wrote to memory of 2140 2076 dochus20230925.exe 28 PID 2076 wrote to memory of 2140 2076 dochus20230925.exe 28 PID 2076 wrote to memory of 2140 2076 dochus20230925.exe 28 PID 2076 wrote to memory of 2140 2076 dochus20230925.exe 28 PID 2076 wrote to memory of 2784 2076 dochus20230925.exe 29 PID 2076 wrote to memory of 2784 2076 dochus20230925.exe 29 PID 2076 wrote to memory of 2784 2076 dochus20230925.exe 29 PID 2076 wrote to memory of 2784 2076 dochus20230925.exe 29 PID 2076 wrote to memory of 2724 2076 dochus20230925.exe 30 PID 2076 wrote to memory of 2724 2076 dochus20230925.exe 30 PID 2076 wrote to memory of 2724 2076 dochus20230925.exe 30 PID 2076 wrote to memory of 2724 2076 dochus20230925.exe 30 PID 2076 wrote to memory of 2792 2076 dochus20230925.exe 32 PID 2076 wrote to memory of 2792 2076 dochus20230925.exe 32 PID 2076 wrote to memory of 2792 2076 dochus20230925.exe 32 PID 2076 wrote to memory of 2792 2076 dochus20230925.exe 32 PID 2076 wrote to memory of 2776 2076 dochus20230925.exe 34 PID 2076 wrote to memory of 2776 2076 dochus20230925.exe 34 PID 2076 wrote to memory of 2776 2076 dochus20230925.exe 34 PID 2076 wrote to memory of 2776 2076 dochus20230925.exe 34 PID 2792 wrote to memory of 2540 2792 cmd.exe 36 PID 2792 wrote to memory of 2540 2792 cmd.exe 36 PID 2792 wrote to memory of 2540 2792 cmd.exe 36 PID 2792 wrote to memory of 2540 2792 cmd.exe 36 PID 1668 wrote to memory of 1560 1668 taskeng.exe 41 PID 1668 wrote to memory of 1560 1668 taskeng.exe 41 PID 1668 wrote to memory of 1560 1668 taskeng.exe 41 PID 1668 wrote to memory of 1560 1668 taskeng.exe 41 PID 2784 wrote to memory of 1928 2784 svchost.exe 42 PID 2784 wrote to memory of 1928 2784 svchost.exe 42 PID 2784 wrote to memory of 1928 2784 svchost.exe 42 PID 2784 wrote to memory of 1928 2784 svchost.exe 42 PID 2784 wrote to memory of 1928 2784 svchost.exe 42 PID 2784 wrote to memory of 1928 2784 svchost.exe 42 PID 2784 wrote to memory of 1928 2784 svchost.exe 42 PID 2784 wrote to memory of 1928 2784 svchost.exe 42 PID 2784 wrote to memory of 1928 2784 svchost.exe 42 PID 2784 wrote to memory of 2328 2784 svchost.exe 48 PID 2784 wrote to memory of 2328 2784 svchost.exe 48 PID 2784 wrote to memory of 2328 2784 svchost.exe 48 PID 2784 wrote to memory of 2328 2784 svchost.exe 48 PID 2784 wrote to memory of 824 2784 svchost.exe 46 PID 2784 wrote to memory of 824 2784 svchost.exe 46 PID 2784 wrote to memory of 824 2784 svchost.exe 46 PID 2784 wrote to memory of 824 2784 svchost.exe 46 PID 2784 wrote to memory of 1432 2784 svchost.exe 45 PID 2784 wrote to memory of 1432 2784 svchost.exe 45 PID 2784 wrote to memory of 1432 2784 svchost.exe 45 PID 2784 wrote to memory of 1432 2784 svchost.exe 45 PID 824 wrote to memory of 2008 824 cmd.exe 49 PID 824 wrote to memory of 2008 824 cmd.exe 49 PID 824 wrote to memory of 2008 824 cmd.exe 49 PID 824 wrote to memory of 2008 824 cmd.exe 49 PID 1560 wrote to memory of 1904 1560 svchost.exe 50 PID 1560 wrote to memory of 1904 1560 svchost.exe 50 PID 1560 wrote to memory of 1904 1560 svchost.exe 50 PID 1560 wrote to memory of 1904 1560 svchost.exe 50 PID 1560 wrote to memory of 1904 1560 svchost.exe 50 PID 1560 wrote to memory of 1904 1560 svchost.exe 50 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dochus20230925.exe"C:\Users\Admin\AppData\Local\Temp\dochus20230925.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2076 -
C:\Users\Admin\AppData\Local\Temp\dochus20230925.exe"C:\Users\Admin\AppData\Local\Temp\dochus20230925.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2140
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C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: SetClipboardViewer
PID:1928
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "C:\Users\Admin\AppData\Roaming\avast\avast.exe"3⤵PID:1432
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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\avast\avast.exe'" /f3⤵
- Suspicious use of WriteProcessMemory
PID:824 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f4⤵
- Creates scheduled task(s)
PID:2008
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C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"3⤵PID:2328
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C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:2724
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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:2792 -
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:2540
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\dochus20230925.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"2⤵PID:2776
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C:\Windows\system32\taskeng.exetaskeng.exe {7EE8547E-AB65-4B46-8980-84EF59F4B8D1} S-1-5-21-3849525425-30183055-657688904-1000:KGPMNUDG\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Users\Admin\AppData\Roaming\svchost\svchost.exeC:\Users\Admin\AppData\Roaming\svchost\svchost.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1560 -
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1904
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C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"3⤵PID:1800
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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'" /f3⤵PID:2592
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f4⤵
- Creates scheduled task(s)
PID:1328
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"3⤵PID:764
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs1⤵PID:2016
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs1⤵PID:1608
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs1⤵PID:1856
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
1.0MB
MD5363044c48c8d035c08cddcdb22bb0838
SHA16ae25dd4586629db60429c3c66cac81ee735c9dc
SHA2567d31211e88bbc31cd128c1b5a3ae9e1dbbb823b449f807e3d3a6669047810dc1
SHA512c98eff4c05ccd72906c50ea863cece139ea27ef3aba9ed5c19c32338006b092b18176d628345695000a0d4d3ba5a99f9990ff29f1d2ebb716a5e3ea57f85b302
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Filesize
1.0MB
MD5363044c48c8d035c08cddcdb22bb0838
SHA16ae25dd4586629db60429c3c66cac81ee735c9dc
SHA2567d31211e88bbc31cd128c1b5a3ae9e1dbbb823b449f807e3d3a6669047810dc1
SHA512c98eff4c05ccd72906c50ea863cece139ea27ef3aba9ed5c19c32338006b092b18176d628345695000a0d4d3ba5a99f9990ff29f1d2ebb716a5e3ea57f85b302
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Filesize
1.0MB
MD5363044c48c8d035c08cddcdb22bb0838
SHA16ae25dd4586629db60429c3c66cac81ee735c9dc
SHA2567d31211e88bbc31cd128c1b5a3ae9e1dbbb823b449f807e3d3a6669047810dc1
SHA512c98eff4c05ccd72906c50ea863cece139ea27ef3aba9ed5c19c32338006b092b18176d628345695000a0d4d3ba5a99f9990ff29f1d2ebb716a5e3ea57f85b302
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a