Analysis
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max time kernel
74s -
max time network
111s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2023 13:52
Static task
static1
Behavioral task
behavioral1
Sample
docyo20230926.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
docyo20230926.exe
Resource
win10v2004-20230915-en
General
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Target
docyo20230926.exe
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Size
990KB
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MD5
98de1e7dc7330e5737dc6faeaac764b5
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SHA1
972c23bafca55c88f9300165d9cdfd27bfb530ef
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SHA256
65a1ad88ce43b266d8efac2fd115bacc6dc29c312c4e49ea1076e8dcb8ecc50f
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SHA512
83b663099b9856afca37e94af6c6c9e72225127faeaab44a0ba8a9eda96bfab1364b73cd6f8fd485d5d3674e75c910c7678321433e451aa8dd9c3815232f6a66
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SSDEEP
12288:l1Fnywh30QCkwigVF3q5wzc9ImjzJ+Mw84KHVcXEyqYyetMonElf5nDE32dAn1nB:tnyIMP/Zc9IlMhVe4YYonEltDNq1
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.product-secured.com - Port:
587 - Username:
[email protected] - Password:
2V8SHFwjad34@@## - Email To:
[email protected]
Extracted
snakekeylogger
Protocol: ftp- Host:
ftp://ftp.product-secured.com/ - Port:
21 - Username:
[email protected] - Password:
2V8SHFwjad34@@##
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 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1204-46-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
docyo20230926.exesvchost.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation docyo20230926.exe Key value queried \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation svchost.exe -
Executes dropped EXE 4 IoCs
Processes:
svchost.exesvchost.exeRedLineClipperStub.exesvchost.exepid process 5008 svchost.exe 1204 svchost.exe 2284 RedLineClipperStub.exe 5076 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
Processes:
svchost.exedocyo20230926.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docyo20230926.exe Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docyo20230926.exe Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docyo20230926.exe Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.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 56 api.ipify.org 57 api.ipify.org 63 checkip.dyndns.org -
Suspicious use of SetThreadContext 2 IoCs
Processes:
docyo20230926.exesvchost.exedescription pid process target process PID 4704 set thread context of 3236 4704 docyo20230926.exe docyo20230926.exe PID 5008 set thread context of 1204 5008 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 4352 schtasks.exe 548 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
docyo20230926.exesvchost.exepid process 3236 docyo20230926.exe 3236 docyo20230926.exe 1204 svchost.exe 1204 svchost.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
Processes:
RedLineClipperStub.exepid process 2284 RedLineClipperStub.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
docyo20230926.exesvchost.exedescription pid process Token: SeDebugPrivilege 3236 docyo20230926.exe Token: SeDebugPrivilege 1204 svchost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
docyo20230926.exepid process 3236 docyo20230926.exe -
Suspicious use of WriteProcessMemory 46 IoCs
Processes:
docyo20230926.execmd.exesvchost.execmd.exedescription pid process target process PID 4704 wrote to memory of 3236 4704 docyo20230926.exe docyo20230926.exe PID 4704 wrote to memory of 3236 4704 docyo20230926.exe docyo20230926.exe PID 4704 wrote to memory of 3236 4704 docyo20230926.exe docyo20230926.exe PID 4704 wrote to memory of 3236 4704 docyo20230926.exe docyo20230926.exe PID 4704 wrote to memory of 3236 4704 docyo20230926.exe docyo20230926.exe PID 4704 wrote to memory of 3236 4704 docyo20230926.exe docyo20230926.exe PID 4704 wrote to memory of 3236 4704 docyo20230926.exe docyo20230926.exe PID 4704 wrote to memory of 3236 4704 docyo20230926.exe docyo20230926.exe PID 4704 wrote to memory of 5008 4704 docyo20230926.exe svchost.exe PID 4704 wrote to memory of 5008 4704 docyo20230926.exe svchost.exe PID 4704 wrote to memory of 5008 4704 docyo20230926.exe svchost.exe PID 4704 wrote to memory of 4692 4704 docyo20230926.exe cmd.exe PID 4704 wrote to memory of 4692 4704 docyo20230926.exe cmd.exe PID 4704 wrote to memory of 4692 4704 docyo20230926.exe cmd.exe PID 4704 wrote to memory of 4940 4704 docyo20230926.exe cmd.exe PID 4704 wrote to memory of 4940 4704 docyo20230926.exe cmd.exe PID 4704 wrote to memory of 4940 4704 docyo20230926.exe cmd.exe PID 4704 wrote to memory of 456 4704 docyo20230926.exe cmd.exe PID 4704 wrote to memory of 456 4704 docyo20230926.exe cmd.exe PID 4704 wrote to memory of 456 4704 docyo20230926.exe cmd.exe PID 4940 wrote to memory of 4352 4940 cmd.exe schtasks.exe PID 4940 wrote to memory of 4352 4940 cmd.exe schtasks.exe PID 4940 wrote to memory of 4352 4940 cmd.exe schtasks.exe PID 5008 wrote to memory of 1204 5008 svchost.exe svchost.exe PID 5008 wrote to memory of 1204 5008 svchost.exe svchost.exe PID 5008 wrote to memory of 1204 5008 svchost.exe svchost.exe PID 5008 wrote to memory of 1204 5008 svchost.exe svchost.exe PID 5008 wrote to memory of 1204 5008 svchost.exe svchost.exe PID 5008 wrote to memory of 1204 5008 svchost.exe svchost.exe PID 5008 wrote to memory of 1204 5008 svchost.exe svchost.exe PID 5008 wrote to memory of 1204 5008 svchost.exe svchost.exe PID 5008 wrote to memory of 2284 5008 svchost.exe RedLineClipperStub.exe PID 5008 wrote to memory of 2284 5008 svchost.exe RedLineClipperStub.exe PID 5008 wrote to memory of 2284 5008 svchost.exe RedLineClipperStub.exe PID 5008 wrote to memory of 2172 5008 svchost.exe cmd.exe PID 5008 wrote to memory of 2172 5008 svchost.exe cmd.exe PID 5008 wrote to memory of 2172 5008 svchost.exe cmd.exe PID 5008 wrote to memory of 3424 5008 svchost.exe cmd.exe PID 5008 wrote to memory of 3424 5008 svchost.exe cmd.exe PID 5008 wrote to memory of 3424 5008 svchost.exe cmd.exe PID 5008 wrote to memory of 4736 5008 svchost.exe cmd.exe PID 5008 wrote to memory of 4736 5008 svchost.exe cmd.exe PID 5008 wrote to memory of 4736 5008 svchost.exe cmd.exe PID 3424 wrote to memory of 548 3424 cmd.exe schtasks.exe PID 3424 wrote to memory of 548 3424 cmd.exe schtasks.exe PID 3424 wrote to memory of 548 3424 cmd.exe schtasks.exe -
outlook_office_path 1 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe -
outlook_win_path 1 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\docyo20230926.exe"C:\Users\Admin\AppData\Local\Temp\docyo20230926.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4704 -
C:\Users\Admin\AppData\Local\Temp\docyo20230926.exe"C:\Users\Admin\AppData\Local\Temp\docyo20230926.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3236 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5008 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1204 -
C:\Users\Admin\AppData\Local\Temp\RedLineClipperStub.exe"C:\Users\Admin\AppData\Local\Temp\RedLineClipperStub.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: SetClipboardViewer
PID:2284 -
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:3424 -
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:548 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"3⤵PID:4736
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C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"3⤵PID:2172
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C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:4692
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docyo20230926.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"2⤵PID:456
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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:4940
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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'" /f1⤵
- Creates scheduled task(s)
PID:4352
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C:\Users\Admin\AppData\Roaming\svchost\svchost.exeC:\Users\Admin\AppData\Roaming\svchost\svchost.exe1⤵
- Executes dropped EXE
PID:5076
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
76KB
MD56741d00c206f685140fd9cd0957aaaa8
SHA18e2da1453a6001aef807661db6940b1703846890
SHA2568c21274f725299022fbf415925210da65702198913c4713dfe5dda09ceb2d38a
SHA5129ea9656b2a54d7f3482d4625d52aa0c51e788ece799de5bb35e821efe138cce49e0d091e4ba683ef49d727d01ff9b912f58f5a96dac3f57441709318c364f527
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Filesize
76KB
MD56741d00c206f685140fd9cd0957aaaa8
SHA18e2da1453a6001aef807661db6940b1703846890
SHA2568c21274f725299022fbf415925210da65702198913c4713dfe5dda09ceb2d38a
SHA5129ea9656b2a54d7f3482d4625d52aa0c51e788ece799de5bb35e821efe138cce49e0d091e4ba683ef49d727d01ff9b912f58f5a96dac3f57441709318c364f527
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Filesize
76KB
MD56741d00c206f685140fd9cd0957aaaa8
SHA18e2da1453a6001aef807661db6940b1703846890
SHA2568c21274f725299022fbf415925210da65702198913c4713dfe5dda09ceb2d38a
SHA5129ea9656b2a54d7f3482d4625d52aa0c51e788ece799de5bb35e821efe138cce49e0d091e4ba683ef49d727d01ff9b912f58f5a96dac3f57441709318c364f527
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Filesize
549KB
MD5af7ee9681029aa4407f0bb51016b55b5
SHA11b8fb95b2d9ef80c56dbeedd95b4034a4da54b29
SHA2567f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0
SHA512bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa
-
Filesize
549KB
MD5af7ee9681029aa4407f0bb51016b55b5
SHA11b8fb95b2d9ef80c56dbeedd95b4034a4da54b29
SHA2567f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0
SHA512bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa
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Filesize
549KB
MD5af7ee9681029aa4407f0bb51016b55b5
SHA11b8fb95b2d9ef80c56dbeedd95b4034a4da54b29
SHA2567f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0
SHA512bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa
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Filesize
549KB
MD5af7ee9681029aa4407f0bb51016b55b5
SHA11b8fb95b2d9ef80c56dbeedd95b4034a4da54b29
SHA2567f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0
SHA512bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa
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Filesize
549KB
MD5af7ee9681029aa4407f0bb51016b55b5
SHA11b8fb95b2d9ef80c56dbeedd95b4034a4da54b29
SHA2567f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0
SHA512bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa
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Filesize
549KB
MD5af7ee9681029aa4407f0bb51016b55b5
SHA11b8fb95b2d9ef80c56dbeedd95b4034a4da54b29
SHA2567f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0
SHA512bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa
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Filesize
98KB
MD57b9ef2f92dca6ec6058b14246b15ed74
SHA1f62a8c52bfed327425ee039e1b54aff120e86c6d
SHA2567760feccd1b3ddf0f373a9e3a9ae2477fd36dd28cdcf2a57c2fd76ebe024c10b
SHA512abf607a926e926f4651a0857b43f36a8afbf6073a89c3922f57983677c606cbbc4c98320981d68963f0591849ac9eed8cc0be36261857994ee7febad78cdf925