Analysis
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max time kernel
152s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
26-09-2023 13:55
Static task
static1
Behavioral task
behavioral1
Sample
docdav20230926.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
docdav20230926.exe
Resource
win10v2004-20230915-en
General
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Target
docdav20230926.exe
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Size
1.1MB
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MD5
909d39242d301cc07ffc6196bb487939
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SHA1
1025f0ad973b6423d58022fc50059fbfd1eac425
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SHA256
573df9fa921ac9c03d681fd60ca7488df873ff8d1d5f6f8a11807e3189af4761
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SHA512
b6cfbba8ac398292e4d048c5c648cb85ae20bbf804829e36f92d7a1206720eff20c5f2fbf771c1d79cca9c8de9c143b7cc0f84588dde072632f364c452de8016
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SSDEEP
12288:Ow7KEJ0aIgurDVQjqREzY3O8tA3QHNu6m15r1/jc/2eUsD:NKE8VQj+EU3Q3QtHm/5/A/XUsD
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.product-secured.com - Port:
587 - Username:
[email protected] - Password:
575K5(MaZro2575K5(MaZro2 - Email To:
[email protected]
Extracted
snakekeylogger
Protocol: ftp- Host:
ftp://ftp.product-secured.com/ - Port:
21 - Username:
[email protected] - Password:
575K5(MaZro2575K5(MaZro2
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 4 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\davidnew.exe family_snakekeylogger C:\Users\Admin\AppData\Local\Temp\davidnew.exe family_snakekeylogger behavioral1/memory/2820-26-0x0000000000850000-0x0000000000876000-memory.dmp family_snakekeylogger C:\Users\Admin\AppData\Local\Temp\davidnew.exe family_snakekeylogger -
Executes dropped EXE 4 IoCs
Processes:
davidnew.exesvchost.exesvchost.exesvchost.exepid process 2820 davidnew.exe 1468 svchost.exe 2240 svchost.exe 932 svchost.exe -
Loads dropped DLL 1 IoCs
Processes:
docdav20230926.exepid process 2168 docdav20230926.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
Processes:
davidnew.exedocdav20230926.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 davidnew.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 davidnew.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 davidnew.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docdav20230926.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docdav20230926.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docdav20230926.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 2 checkip.dyndns.org 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 2 IoCs
Processes:
docdav20230926.exesvchost.exedescription pid process target process PID 2168 set thread context of 2644 2168 docdav20230926.exe docdav20230926.exe PID 1468 set thread context of 2240 1468 svchost.exe svchost.exe -
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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 2944 schtasks.exe 1332 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
docdav20230926.exedavidnew.exepid process 2644 docdav20230926.exe 2644 docdav20230926.exe 2820 davidnew.exe 2820 davidnew.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
docdav20230926.exedavidnew.exedescription pid process Token: SeDebugPrivilege 2644 docdav20230926.exe Token: SeDebugPrivilege 2820 davidnew.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
docdav20230926.exedavidnew.exepid process 2644 docdav20230926.exe 2820 davidnew.exe -
Suspicious use of WriteProcessMemory 62 IoCs
Processes:
docdav20230926.execmd.exetaskeng.exesvchost.execmd.exedescription pid process target process PID 2168 wrote to memory of 2644 2168 docdav20230926.exe docdav20230926.exe PID 2168 wrote to memory of 2644 2168 docdav20230926.exe docdav20230926.exe PID 2168 wrote to memory of 2644 2168 docdav20230926.exe docdav20230926.exe PID 2168 wrote to memory of 2644 2168 docdav20230926.exe docdav20230926.exe PID 2168 wrote to memory of 2644 2168 docdav20230926.exe docdav20230926.exe PID 2168 wrote to memory of 2644 2168 docdav20230926.exe docdav20230926.exe PID 2168 wrote to memory of 2644 2168 docdav20230926.exe docdav20230926.exe PID 2168 wrote to memory of 2644 2168 docdav20230926.exe docdav20230926.exe PID 2168 wrote to memory of 2644 2168 docdav20230926.exe docdav20230926.exe PID 2168 wrote to memory of 2820 2168 docdav20230926.exe davidnew.exe PID 2168 wrote to memory of 2820 2168 docdav20230926.exe davidnew.exe PID 2168 wrote to memory of 2820 2168 docdav20230926.exe davidnew.exe PID 2168 wrote to memory of 2820 2168 docdav20230926.exe davidnew.exe PID 2168 wrote to memory of 2484 2168 docdav20230926.exe cmd.exe PID 2168 wrote to memory of 2484 2168 docdav20230926.exe cmd.exe PID 2168 wrote to memory of 2484 2168 docdav20230926.exe cmd.exe PID 2168 wrote to memory of 2484 2168 docdav20230926.exe cmd.exe PID 2168 wrote to memory of 2480 2168 docdav20230926.exe cmd.exe PID 2168 wrote to memory of 2480 2168 docdav20230926.exe cmd.exe PID 2168 wrote to memory of 2480 2168 docdav20230926.exe cmd.exe PID 2168 wrote to memory of 2480 2168 docdav20230926.exe cmd.exe PID 2168 wrote to memory of 2516 2168 docdav20230926.exe cmd.exe PID 2168 wrote to memory of 2516 2168 docdav20230926.exe cmd.exe PID 2168 wrote to memory of 2516 2168 docdav20230926.exe cmd.exe PID 2168 wrote to memory of 2516 2168 docdav20230926.exe cmd.exe PID 2480 wrote to memory of 2944 2480 cmd.exe schtasks.exe PID 2480 wrote to memory of 2944 2480 cmd.exe schtasks.exe PID 2480 wrote to memory of 2944 2480 cmd.exe schtasks.exe PID 2480 wrote to memory of 2944 2480 cmd.exe schtasks.exe PID 2912 wrote to memory of 1468 2912 taskeng.exe svchost.exe PID 2912 wrote to memory of 1468 2912 taskeng.exe svchost.exe PID 2912 wrote to memory of 1468 2912 taskeng.exe svchost.exe PID 2912 wrote to memory of 1468 2912 taskeng.exe svchost.exe PID 1468 wrote to memory of 2240 1468 svchost.exe svchost.exe PID 1468 wrote to memory of 2240 1468 svchost.exe svchost.exe PID 1468 wrote to memory of 2240 1468 svchost.exe svchost.exe PID 1468 wrote to memory of 2240 1468 svchost.exe svchost.exe PID 1468 wrote to memory of 2240 1468 svchost.exe svchost.exe PID 1468 wrote to memory of 2240 1468 svchost.exe svchost.exe PID 1468 wrote to memory of 2240 1468 svchost.exe svchost.exe PID 1468 wrote to memory of 2240 1468 svchost.exe svchost.exe PID 1468 wrote to memory of 2240 1468 svchost.exe svchost.exe PID 1468 wrote to memory of 1400 1468 svchost.exe cmd.exe PID 1468 wrote to memory of 1400 1468 svchost.exe cmd.exe PID 1468 wrote to memory of 1400 1468 svchost.exe cmd.exe PID 1468 wrote to memory of 1400 1468 svchost.exe cmd.exe PID 1468 wrote to memory of 2388 1468 svchost.exe cmd.exe PID 1468 wrote to memory of 2388 1468 svchost.exe cmd.exe PID 1468 wrote to memory of 2388 1468 svchost.exe cmd.exe PID 1468 wrote to memory of 2388 1468 svchost.exe cmd.exe PID 1468 wrote to memory of 1800 1468 svchost.exe cmd.exe PID 1468 wrote to memory of 1800 1468 svchost.exe cmd.exe PID 1468 wrote to memory of 1800 1468 svchost.exe cmd.exe PID 1468 wrote to memory of 1800 1468 svchost.exe cmd.exe PID 2388 wrote to memory of 1332 2388 cmd.exe schtasks.exe PID 2388 wrote to memory of 1332 2388 cmd.exe schtasks.exe PID 2388 wrote to memory of 1332 2388 cmd.exe schtasks.exe PID 2388 wrote to memory of 1332 2388 cmd.exe schtasks.exe PID 2912 wrote to memory of 932 2912 taskeng.exe svchost.exe PID 2912 wrote to memory of 932 2912 taskeng.exe svchost.exe PID 2912 wrote to memory of 932 2912 taskeng.exe svchost.exe PID 2912 wrote to memory of 932 2912 taskeng.exe svchost.exe -
outlook_office_path 1 IoCs
Processes:
davidnew.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 davidnew.exe -
outlook_win_path 1 IoCs
Processes:
davidnew.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 davidnew.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\docdav20230926.exe"C:\Users\Admin\AppData\Local\Temp\docdav20230926.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Users\Admin\AppData\Local\Temp\docdav20230926.exe"C:\Users\Admin\AppData\Local\Temp\docdav20230926.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2644 -
C:\Users\Admin\AppData\Local\Temp\davidnew.exe"C:\Users\Admin\AppData\Local\Temp\davidnew.exe"2⤵
- 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:2820 -
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:2480 -
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:2944 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:2484
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docdav20230926.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"2⤵PID:2516
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C:\Windows\system32\taskeng.exetaskeng.exe {B5DECB25-40F3-4768-B151-4AA68AFB7F7C} S-1-5-21-3185155662-718608226-894467740-1000:YETUIZPU\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2912 -
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:1468 -
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"3⤵
- Executes dropped EXE
PID:2240 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"3⤵PID:1400
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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: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⤵
- Suspicious use of WriteProcessMemory
PID:2388 -
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:1332 -
C:\Users\Admin\AppData\Roaming\svchost\svchost.exeC:\Users\Admin\AppData\Roaming\svchost\svchost.exe2⤵
- Executes dropped EXE
PID:932
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
126KB
MD57fe292bc5ea2ef1ec95fbe7c4283b69b
SHA11b4ac2a792855b53db41b4280c4f41f60895a41d
SHA256fe5c1d889311a86b8c0c29a8585acaf79bef3a03c3db746e582dc21ddda60a07
SHA512e0d753ed326fb33af00e301f05bc943fe072162b37964be965f19d5181de0775e11bca5c637b62a1c6db0b94366dc07967faee2d536afca5640994f21f12544c
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Filesize
126KB
MD57fe292bc5ea2ef1ec95fbe7c4283b69b
SHA11b4ac2a792855b53db41b4280c4f41f60895a41d
SHA256fe5c1d889311a86b8c0c29a8585acaf79bef3a03c3db746e582dc21ddda60a07
SHA512e0d753ed326fb33af00e301f05bc943fe072162b37964be965f19d5181de0775e11bca5c637b62a1c6db0b94366dc07967faee2d536afca5640994f21f12544c
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Filesize
1.1MB
MD5909d39242d301cc07ffc6196bb487939
SHA11025f0ad973b6423d58022fc50059fbfd1eac425
SHA256573df9fa921ac9c03d681fd60ca7488df873ff8d1d5f6f8a11807e3189af4761
SHA512b6cfbba8ac398292e4d048c5c648cb85ae20bbf804829e36f92d7a1206720eff20c5f2fbf771c1d79cca9c8de9c143b7cc0f84588dde072632f364c452de8016
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Filesize
1.1MB
MD5909d39242d301cc07ffc6196bb487939
SHA11025f0ad973b6423d58022fc50059fbfd1eac425
SHA256573df9fa921ac9c03d681fd60ca7488df873ff8d1d5f6f8a11807e3189af4761
SHA512b6cfbba8ac398292e4d048c5c648cb85ae20bbf804829e36f92d7a1206720eff20c5f2fbf771c1d79cca9c8de9c143b7cc0f84588dde072632f364c452de8016
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Filesize
1.1MB
MD5909d39242d301cc07ffc6196bb487939
SHA11025f0ad973b6423d58022fc50059fbfd1eac425
SHA256573df9fa921ac9c03d681fd60ca7488df873ff8d1d5f6f8a11807e3189af4761
SHA512b6cfbba8ac398292e4d048c5c648cb85ae20bbf804829e36f92d7a1206720eff20c5f2fbf771c1d79cca9c8de9c143b7cc0f84588dde072632f364c452de8016
-
Filesize
1.1MB
MD5909d39242d301cc07ffc6196bb487939
SHA11025f0ad973b6423d58022fc50059fbfd1eac425
SHA256573df9fa921ac9c03d681fd60ca7488df873ff8d1d5f6f8a11807e3189af4761
SHA512b6cfbba8ac398292e4d048c5c648cb85ae20bbf804829e36f92d7a1206720eff20c5f2fbf771c1d79cca9c8de9c143b7cc0f84588dde072632f364c452de8016
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Filesize
126KB
MD57fe292bc5ea2ef1ec95fbe7c4283b69b
SHA11b4ac2a792855b53db41b4280c4f41f60895a41d
SHA256fe5c1d889311a86b8c0c29a8585acaf79bef3a03c3db746e582dc21ddda60a07
SHA512e0d753ed326fb33af00e301f05bc943fe072162b37964be965f19d5181de0775e11bca5c637b62a1c6db0b94366dc07967faee2d536afca5640994f21f12544c