Analysis
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max time kernel
83s -
max time network
119s -
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 13:51
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/760-54-0x0000000000620000-0x0000000000644000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
svchost.exedocyo20230926.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation svchost.exe Key value queried \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation docyo20230926.exe -
Executes dropped EXE 4 IoCs
Processes:
svchost.exesvchost.exesvchost.exeRedLineClipperStub.exepid process 3272 svchost.exe 3996 svchost.exe 760 svchost.exe 2260 RedLineClipperStub.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-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docyo20230926.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docyo20230926.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docyo20230926.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 61 api.ipify.org 67 checkip.dyndns.org 60 api.ipify.org -
Suspicious use of SetThreadContext 2 IoCs
Processes:
docyo20230926.exesvchost.exedescription pid process target process PID 4752 set thread context of 1588 4752 docyo20230926.exe docyo20230926.exe PID 3272 set thread context of 760 3272 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 2568 schtasks.exe 4248 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
docyo20230926.exesvchost.exepid process 1588 docyo20230926.exe 1588 docyo20230926.exe 760 svchost.exe 760 svchost.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
Processes:
RedLineClipperStub.exepid process 2260 RedLineClipperStub.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
docyo20230926.exesvchost.exedescription pid process Token: SeDebugPrivilege 1588 docyo20230926.exe Token: SeDebugPrivilege 760 svchost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
docyo20230926.exepid process 1588 docyo20230926.exe -
Suspicious use of WriteProcessMemory 46 IoCs
Processes:
docyo20230926.execmd.exesvchost.execmd.exedescription pid process target process PID 4752 wrote to memory of 1588 4752 docyo20230926.exe docyo20230926.exe PID 4752 wrote to memory of 1588 4752 docyo20230926.exe docyo20230926.exe PID 4752 wrote to memory of 1588 4752 docyo20230926.exe docyo20230926.exe PID 4752 wrote to memory of 1588 4752 docyo20230926.exe docyo20230926.exe PID 4752 wrote to memory of 1588 4752 docyo20230926.exe docyo20230926.exe PID 4752 wrote to memory of 1588 4752 docyo20230926.exe docyo20230926.exe PID 4752 wrote to memory of 1588 4752 docyo20230926.exe docyo20230926.exe PID 4752 wrote to memory of 1588 4752 docyo20230926.exe docyo20230926.exe PID 4752 wrote to memory of 3272 4752 docyo20230926.exe svchost.exe PID 4752 wrote to memory of 3272 4752 docyo20230926.exe svchost.exe PID 4752 wrote to memory of 3272 4752 docyo20230926.exe svchost.exe PID 4752 wrote to memory of 2552 4752 docyo20230926.exe cmd.exe PID 4752 wrote to memory of 2552 4752 docyo20230926.exe cmd.exe PID 4752 wrote to memory of 2552 4752 docyo20230926.exe cmd.exe PID 4752 wrote to memory of 3192 4752 docyo20230926.exe cmd.exe PID 4752 wrote to memory of 3192 4752 docyo20230926.exe cmd.exe PID 4752 wrote to memory of 3192 4752 docyo20230926.exe cmd.exe PID 4752 wrote to memory of 3444 4752 docyo20230926.exe cmd.exe PID 4752 wrote to memory of 3444 4752 docyo20230926.exe cmd.exe PID 4752 wrote to memory of 3444 4752 docyo20230926.exe cmd.exe PID 3192 wrote to memory of 2568 3192 cmd.exe schtasks.exe PID 3192 wrote to memory of 2568 3192 cmd.exe schtasks.exe PID 3192 wrote to memory of 2568 3192 cmd.exe schtasks.exe PID 3272 wrote to memory of 760 3272 svchost.exe svchost.exe PID 3272 wrote to memory of 760 3272 svchost.exe svchost.exe PID 3272 wrote to memory of 760 3272 svchost.exe svchost.exe PID 3272 wrote to memory of 760 3272 svchost.exe svchost.exe PID 3272 wrote to memory of 760 3272 svchost.exe svchost.exe PID 3272 wrote to memory of 760 3272 svchost.exe svchost.exe PID 3272 wrote to memory of 760 3272 svchost.exe svchost.exe PID 3272 wrote to memory of 760 3272 svchost.exe svchost.exe PID 3272 wrote to memory of 2260 3272 svchost.exe RedLineClipperStub.exe PID 3272 wrote to memory of 2260 3272 svchost.exe RedLineClipperStub.exe PID 3272 wrote to memory of 2260 3272 svchost.exe RedLineClipperStub.exe PID 3272 wrote to memory of 1096 3272 svchost.exe cmd.exe PID 3272 wrote to memory of 1096 3272 svchost.exe cmd.exe PID 3272 wrote to memory of 1096 3272 svchost.exe cmd.exe PID 3272 wrote to memory of 4692 3272 svchost.exe cmd.exe PID 3272 wrote to memory of 4692 3272 svchost.exe cmd.exe PID 3272 wrote to memory of 4692 3272 svchost.exe cmd.exe PID 3272 wrote to memory of 4476 3272 svchost.exe cmd.exe PID 3272 wrote to memory of 4476 3272 svchost.exe cmd.exe PID 3272 wrote to memory of 4476 3272 svchost.exe cmd.exe PID 4692 wrote to memory of 4248 4692 cmd.exe schtasks.exe PID 4692 wrote to memory of 4248 4692 cmd.exe schtasks.exe PID 4692 wrote to memory of 4248 4692 cmd.exe schtasks.exe -
outlook_office_path 1 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\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-1-5-21-3027552071-446050021-1254071215-1000\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:4752 -
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:1588 -
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:3272 -
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:760 -
C:\Users\Admin\AppData\Local\Temp\RedLineClipperStub.exe"C:\Users\Admin\AppData\Local\Temp\RedLineClipperStub.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: SetClipboardViewer
PID:2260 -
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:4476
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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:4692 -
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:4248 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"3⤵PID:1096
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C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:2552
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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:3444
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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:3192 -
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:2568
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C:\Users\Admin\AppData\Roaming\svchost\svchost.exeC:\Users\Admin\AppData\Roaming\svchost\svchost.exe1⤵
- Executes dropped EXE
PID:3996 -
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"2⤵PID:2756
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C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:3504
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
-
Filesize
549KB
MD5af7ee9681029aa4407f0bb51016b55b5
SHA11b8fb95b2d9ef80c56dbeedd95b4034a4da54b29
SHA2567f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0
SHA512bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa
-
Filesize
549KB
MD5af7ee9681029aa4407f0bb51016b55b5
SHA11b8fb95b2d9ef80c56dbeedd95b4034a4da54b29
SHA2567f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0
SHA512bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa
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Filesize
990KB
MD598de1e7dc7330e5737dc6faeaac764b5
SHA1972c23bafca55c88f9300165d9cdfd27bfb530ef
SHA25665a1ad88ce43b266d8efac2fd115bacc6dc29c312c4e49ea1076e8dcb8ecc50f
SHA51283b663099b9856afca37e94af6c6c9e72225127faeaab44a0ba8a9eda96bfab1364b73cd6f8fd485d5d3674e75c910c7678321433e451aa8dd9c3815232f6a66
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Filesize
990KB
MD598de1e7dc7330e5737dc6faeaac764b5
SHA1972c23bafca55c88f9300165d9cdfd27bfb530ef
SHA25665a1ad88ce43b266d8efac2fd115bacc6dc29c312c4e49ea1076e8dcb8ecc50f
SHA51283b663099b9856afca37e94af6c6c9e72225127faeaab44a0ba8a9eda96bfab1364b73cd6f8fd485d5d3674e75c910c7678321433e451aa8dd9c3815232f6a66
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Filesize
159KB
MD56ad6f82f51f699885998caf865da2a7b
SHA1501be96ba9ff5e84ee97b8e9fa4306f0cd78fa56
SHA25621009e652a7fefacaa4bb3d020ad3c5241b5580775b5d1c0370201706217ffe0
SHA512b2fa392892a8829e191528810b00d9235eb059d3a40c17c093f12edf34e5f583c3ecee93a17c00e6baf703dcfe00be514d4253cc928ba0ff71856e5146aea7d4