Analysis
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max time kernel
143s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 03:27
Static task
static1
Behavioral task
behavioral1
Sample
2da9543a96dc5ca68af4c2e095e21f49.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
2da9543a96dc5ca68af4c2e095e21f49.exe
Resource
win10v2004-20221111-en
General
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Target
2da9543a96dc5ca68af4c2e095e21f49.exe
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Size
1.7MB
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MD5
2da9543a96dc5ca68af4c2e095e21f49
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SHA1
2b48017b795efe9c9dc0f2df7ae8bb79141506c5
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SHA256
e7be55c53cc03e17484068b1f69f6b2091f9cfe105480b9595f30bb557112f14
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SHA512
e22e59c80641929d192493b8bd000fbf92c063b592d6725d3f85c276eaaa5bfb72e350eb7e42c88d8daff486cc188ab430647237dc7ececf7d75d03c3dff62b2
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SSDEEP
12288:QnjoopN3RLxQLVX9Kr09aFwSVnWZQzjFeM6DJOjB9sTTHy0y0UK0jWSJSmQhVW8K:kRLxQLJ9KvVnYQb6VOwyrJuWXS5
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5655543251:AAF6zs8TWZ5wmyQhXrUZEpQjh6VaOy-aYoQ/
Extracted
wshrat
http://snkcyp.duckdns.org:44147
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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WSHRAT payload 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\eHmrw.vbs family_wshrat -
Blocklisted process makes network request 11 IoCs
Processes:
wscript.exeflow pid process 5 1436 wscript.exe 7 1436 wscript.exe 8 1436 wscript.exe 9 1436 wscript.exe 12 1436 wscript.exe 13 1436 wscript.exe 14 1436 wscript.exe 15 1436 wscript.exe 16 1436 wscript.exe 18 1436 wscript.exe 19 1436 wscript.exe -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
hat.exekbddodhxh.exekbddodhxh.exepid process 1308 hat.exe 944 kbddodhxh.exe 1316 kbddodhxh.exe -
Drops startup file 2 IoCs
Processes:
wscript.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eHmrw.vbs wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eHmrw.vbs wscript.exe -
Loads dropped DLL 3 IoCs
Processes:
wscript.exehat.exekbddodhxh.exepid process 1436 wscript.exe 1308 hat.exe 944 kbddodhxh.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 3 IoCs
Processes:
kbddodhxh.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kbddodhxh.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kbddodhxh.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kbddodhxh.exe -
Adds Run key to start application 2 TTPs 6 IoCs
Processes:
2da9543a96dc5ca68af4c2e095e21f49.exewscript.exekbddodhxh.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Euksrjermc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dszfa\\Euksrjermc.exe\"" 2da9543a96dc5ca68af4c2e095e21f49.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\eHmrw = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\eHmrw.vbs\"" wscript.exe Key created \REGISTRY\MACHINE\software\Wow6432Node\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\eHmrw = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\eHmrw.vbs\"" wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ethjtred = "C:\\Users\\Admin\\AppData\\Roaming\\ethjtred\\ethjtred.exe" kbddodhxh.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 ip-api.com 10 api.ipify.org 11 api.ipify.org -
Suspicious use of SetThreadContext 2 IoCs
Processes:
2da9543a96dc5ca68af4c2e095e21f49.exekbddodhxh.exedescription pid process target process PID 1760 set thread context of 976 1760 2da9543a96dc5ca68af4c2e095e21f49.exe 2da9543a96dc5ca68af4c2e095e21f49.exe PID 944 set thread context of 1316 944 kbddodhxh.exe kbddodhxh.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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NSIS installer 6 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\hat.exe nsis_installer_1 \Users\Admin\AppData\Roaming\hat.exe nsis_installer_2 C:\Users\Admin\AppData\Roaming\hat.exe nsis_installer_1 C:\Users\Admin\AppData\Roaming\hat.exe nsis_installer_2 C:\Users\Admin\AppData\Roaming\hat.exe nsis_installer_1 C:\Users\Admin\AppData\Roaming\hat.exe nsis_installer_2 -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 8 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exekbddodhxh.exepid process 1668 powershell.exe 1316 kbddodhxh.exe 1316 kbddodhxh.exe 1316 kbddodhxh.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
kbddodhxh.exepid process 944 kbddodhxh.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exe2da9543a96dc5ca68af4c2e095e21f49.exekbddodhxh.exedescription pid process Token: SeDebugPrivilege 1668 powershell.exe Token: SeDebugPrivilege 1760 2da9543a96dc5ca68af4c2e095e21f49.exe Token: SeDebugPrivilege 1316 kbddodhxh.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
kbddodhxh.exepid process 1316 kbddodhxh.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
2da9543a96dc5ca68af4c2e095e21f49.exe2da9543a96dc5ca68af4c2e095e21f49.exewscript.exehat.exekbddodhxh.exedescription pid process target process PID 1760 wrote to memory of 1668 1760 2da9543a96dc5ca68af4c2e095e21f49.exe powershell.exe PID 1760 wrote to memory of 1668 1760 2da9543a96dc5ca68af4c2e095e21f49.exe powershell.exe PID 1760 wrote to memory of 1668 1760 2da9543a96dc5ca68af4c2e095e21f49.exe powershell.exe PID 1760 wrote to memory of 1668 1760 2da9543a96dc5ca68af4c2e095e21f49.exe powershell.exe PID 1760 wrote to memory of 976 1760 2da9543a96dc5ca68af4c2e095e21f49.exe 2da9543a96dc5ca68af4c2e095e21f49.exe PID 1760 wrote to memory of 976 1760 2da9543a96dc5ca68af4c2e095e21f49.exe 2da9543a96dc5ca68af4c2e095e21f49.exe PID 1760 wrote to memory of 976 1760 2da9543a96dc5ca68af4c2e095e21f49.exe 2da9543a96dc5ca68af4c2e095e21f49.exe PID 1760 wrote to memory of 976 1760 2da9543a96dc5ca68af4c2e095e21f49.exe 2da9543a96dc5ca68af4c2e095e21f49.exe PID 1760 wrote to memory of 976 1760 2da9543a96dc5ca68af4c2e095e21f49.exe 2da9543a96dc5ca68af4c2e095e21f49.exe PID 1760 wrote to memory of 976 1760 2da9543a96dc5ca68af4c2e095e21f49.exe 2da9543a96dc5ca68af4c2e095e21f49.exe PID 1760 wrote to memory of 976 1760 2da9543a96dc5ca68af4c2e095e21f49.exe 2da9543a96dc5ca68af4c2e095e21f49.exe PID 1760 wrote to memory of 976 1760 2da9543a96dc5ca68af4c2e095e21f49.exe 2da9543a96dc5ca68af4c2e095e21f49.exe PID 1760 wrote to memory of 976 1760 2da9543a96dc5ca68af4c2e095e21f49.exe 2da9543a96dc5ca68af4c2e095e21f49.exe PID 976 wrote to memory of 1436 976 2da9543a96dc5ca68af4c2e095e21f49.exe wscript.exe PID 976 wrote to memory of 1436 976 2da9543a96dc5ca68af4c2e095e21f49.exe wscript.exe PID 976 wrote to memory of 1436 976 2da9543a96dc5ca68af4c2e095e21f49.exe wscript.exe PID 976 wrote to memory of 1436 976 2da9543a96dc5ca68af4c2e095e21f49.exe wscript.exe PID 1436 wrote to memory of 1308 1436 wscript.exe hat.exe PID 1436 wrote to memory of 1308 1436 wscript.exe hat.exe PID 1436 wrote to memory of 1308 1436 wscript.exe hat.exe PID 1436 wrote to memory of 1308 1436 wscript.exe hat.exe PID 1308 wrote to memory of 944 1308 hat.exe kbddodhxh.exe PID 1308 wrote to memory of 944 1308 hat.exe kbddodhxh.exe PID 1308 wrote to memory of 944 1308 hat.exe kbddodhxh.exe PID 1308 wrote to memory of 944 1308 hat.exe kbddodhxh.exe PID 944 wrote to memory of 1316 944 kbddodhxh.exe kbddodhxh.exe PID 944 wrote to memory of 1316 944 kbddodhxh.exe kbddodhxh.exe PID 944 wrote to memory of 1316 944 kbddodhxh.exe kbddodhxh.exe PID 944 wrote to memory of 1316 944 kbddodhxh.exe kbddodhxh.exe PID 944 wrote to memory of 1316 944 kbddodhxh.exe kbddodhxh.exe -
outlook_office_path 1 IoCs
Processes:
kbddodhxh.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kbddodhxh.exe -
outlook_win_path 1 IoCs
Processes:
kbddodhxh.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 kbddodhxh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2da9543a96dc5ca68af4c2e095e21f49.exe"C:\Users\Admin\AppData\Local\Temp\2da9543a96dc5ca68af4c2e095e21f49.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\2da9543a96dc5ca68af4c2e095e21f49.exeC:\Users\Admin\AppData\Local\Temp\2da9543a96dc5ca68af4c2e095e21f49.exe2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\wscript.exe"C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Roaming\eHmrw.vbs"3⤵
- Blocklisted process makes network request
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\hat.exe"C:\Users\Admin\AppData\Roaming\hat.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kbddodhxh.exe"C:\Users\Admin\AppData\Local\Temp\kbddodhxh.exe" C:\Users\Admin\AppData\Local\Temp\cajpktnk.qa5⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kbddodhxh.exe"C:\Users\Admin\AppData\Local\Temp\kbddodhxh.exe" C:\Users\Admin\AppData\Local\Temp\cajpktnk.qa6⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\cajpktnk.qaFilesize
5KB
MD552d6c758e902d52f73d818e395df4afc
SHA1e947d2b6392657226ca248014dc3933e8ed56007
SHA256a38032f0d1f0dfc6eb4d3b0d898b8faefe486d63a84113ad8f856d130049f910
SHA5122dd0ed8c70a8ace942f48763add368ce411e068ad40ab3524d09edb6a21c074c06404a9b7fd2228cb3253028e63a8885804c5a37b9d9ec3c5ea7a5e584fc2551
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C:\Users\Admin\AppData\Local\Temp\kbddodhxh.exeFilesize
333KB
MD58a73408537089a2c75b20e5777a45a3c
SHA16743c59431668ff81f1c09e2c2820417dea10324
SHA2566058cebe9c8ccfd2c4576dbfbaf254e18e0617d3a42e4b4e054b71105cbdb98b
SHA51287955fcebd7dfe6c2b6517266a7525a6ef71bd215de8404622ff2ebf0145a95b44955f6fee33292a247e32fc2e5f3d0f9063cecff2e68d67b987195788917a06
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C:\Users\Admin\AppData\Local\Temp\kbddodhxh.exeFilesize
333KB
MD58a73408537089a2c75b20e5777a45a3c
SHA16743c59431668ff81f1c09e2c2820417dea10324
SHA2566058cebe9c8ccfd2c4576dbfbaf254e18e0617d3a42e4b4e054b71105cbdb98b
SHA51287955fcebd7dfe6c2b6517266a7525a6ef71bd215de8404622ff2ebf0145a95b44955f6fee33292a247e32fc2e5f3d0f9063cecff2e68d67b987195788917a06
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C:\Users\Admin\AppData\Local\Temp\kbddodhxh.exeFilesize
333KB
MD58a73408537089a2c75b20e5777a45a3c
SHA16743c59431668ff81f1c09e2c2820417dea10324
SHA2566058cebe9c8ccfd2c4576dbfbaf254e18e0617d3a42e4b4e054b71105cbdb98b
SHA51287955fcebd7dfe6c2b6517266a7525a6ef71bd215de8404622ff2ebf0145a95b44955f6fee33292a247e32fc2e5f3d0f9063cecff2e68d67b987195788917a06
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C:\Users\Admin\AppData\Local\Temp\ymnzmdjt.zFilesize
296KB
MD5287ed1f3735b69389a9c35b08671168f
SHA17ceeaf5bc178a85b911d8415f220d82e1a347398
SHA25664a65ddf80fa3ebedaa87d12c18366b83650b779f7af15696442f0725bd29d7f
SHA5121d21132e401ef395fbb92bb669dbb0b10a3daaf60e3b09be68d3884ba10901ee9429cf73b4f6c4d1e5f52a0630c547a35be6a38ed480d977e904b99b55240c5a
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C:\Users\Admin\AppData\Roaming\eHmrw.vbsFilesize
180KB
MD5cd1f081335b6c49a40d51e090604a9ab
SHA15b645d1cf905f73cf7bd23af3dae0c3f381c8b2a
SHA256efcde6d8aa951a087836a35b27d0db4f95b8c4886a1800c34ce58deab9aa5bdb
SHA51247b786ea6414f1c7fffdac54b80b6e064dd9fde3adc8094ec1d6a08648b37be0d46b09bbe316da7d662c6ceaad24eb390332bedfd218ec8dd11d77b067fdfccc
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C:\Users\Admin\AppData\Roaming\hat.exeFilesize
394KB
MD52a163403e00ba8afbe3c7a2e6df3e2e2
SHA1404038a796396209580a64a537b57695bbd9b175
SHA2564a8bba516cd171925cf36969b9e882c1029dbf88383463f9f646145f54fc35ef
SHA5126a7fdae05a3f2945ef2a8b87c1495dc00a69daa66355cd1009e0b924919f25314b47e541aefd1465c0ca6f2db0dc2b9796b056c1357aa67721ee044446d91187
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C:\Users\Admin\AppData\Roaming\hat.exeFilesize
394KB
MD52a163403e00ba8afbe3c7a2e6df3e2e2
SHA1404038a796396209580a64a537b57695bbd9b175
SHA2564a8bba516cd171925cf36969b9e882c1029dbf88383463f9f646145f54fc35ef
SHA5126a7fdae05a3f2945ef2a8b87c1495dc00a69daa66355cd1009e0b924919f25314b47e541aefd1465c0ca6f2db0dc2b9796b056c1357aa67721ee044446d91187
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\Users\Admin\AppData\Local\Temp\kbddodhxh.exeFilesize
333KB
MD58a73408537089a2c75b20e5777a45a3c
SHA16743c59431668ff81f1c09e2c2820417dea10324
SHA2566058cebe9c8ccfd2c4576dbfbaf254e18e0617d3a42e4b4e054b71105cbdb98b
SHA51287955fcebd7dfe6c2b6517266a7525a6ef71bd215de8404622ff2ebf0145a95b44955f6fee33292a247e32fc2e5f3d0f9063cecff2e68d67b987195788917a06
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\Users\Admin\AppData\Local\Temp\kbddodhxh.exeFilesize
333KB
MD58a73408537089a2c75b20e5777a45a3c
SHA16743c59431668ff81f1c09e2c2820417dea10324
SHA2566058cebe9c8ccfd2c4576dbfbaf254e18e0617d3a42e4b4e054b71105cbdb98b
SHA51287955fcebd7dfe6c2b6517266a7525a6ef71bd215de8404622ff2ebf0145a95b44955f6fee33292a247e32fc2e5f3d0f9063cecff2e68d67b987195788917a06
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\Users\Admin\AppData\Roaming\hat.exeFilesize
394KB
MD52a163403e00ba8afbe3c7a2e6df3e2e2
SHA1404038a796396209580a64a537b57695bbd9b175
SHA2564a8bba516cd171925cf36969b9e882c1029dbf88383463f9f646145f54fc35ef
SHA5126a7fdae05a3f2945ef2a8b87c1495dc00a69daa66355cd1009e0b924919f25314b47e541aefd1465c0ca6f2db0dc2b9796b056c1357aa67721ee044446d91187
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memory/944-83-0x0000000000000000-mapping.dmp
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memory/976-62-0x0000000000400000-0x000000000048A000-memory.dmpFilesize
552KB
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memory/976-71-0x0000000000400000-0x000000000048A000-memory.dmpFilesize
552KB
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memory/976-73-0x0000000000400000-0x000000000048A000-memory.dmpFilesize
552KB
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memory/976-68-0x0000000000400000-0x000000000048A000-memory.dmpFilesize
552KB
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memory/976-67-0x0000000000400000-0x000000000048A000-memory.dmpFilesize
552KB
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memory/976-65-0x0000000000400000-0x000000000048A000-memory.dmpFilesize
552KB
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memory/976-63-0x0000000000400000-0x000000000048A000-memory.dmpFilesize
552KB
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memory/976-69-0x00000000004842AE-mapping.dmp
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memory/1308-78-0x0000000000000000-mapping.dmp
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memory/1316-90-0x0000000000401896-mapping.dmp
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memory/1316-94-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1316-93-0x00000000004E0000-0x000000000051C000-memory.dmpFilesize
240KB
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memory/1436-74-0x0000000000000000-mapping.dmp
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memory/1668-61-0x000000006F460000-0x000000006FA0B000-memory.dmpFilesize
5.7MB
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memory/1668-58-0x0000000075931000-0x0000000075933000-memory.dmpFilesize
8KB
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memory/1668-57-0x0000000000000000-mapping.dmp
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memory/1668-59-0x000000006F460000-0x000000006FA0B000-memory.dmpFilesize
5.7MB
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memory/1668-60-0x000000006F460000-0x000000006FA0B000-memory.dmpFilesize
5.7MB
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memory/1760-56-0x0000000000CF0000-0x0000000000D82000-memory.dmpFilesize
584KB
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memory/1760-55-0x0000000000DC0000-0x0000000000E9C000-memory.dmpFilesize
880KB
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memory/1760-54-0x00000000011A0000-0x0000000001352000-memory.dmpFilesize
1.7MB