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Analysis
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max time kernel
59s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
15/06/2023, 20:23
Static task
static1
Behavioral task
behavioral1
Sample
purchase order (2).exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
purchase order (2).exe
Resource
win10v2004-20230220-en
General
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Target
purchase order (2).exe
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Size
743KB
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MD5
974fe07d20f86b749e611480053d9a61
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SHA1
d5c39fffb6cccae4dd6dc18c7044a96fb7d4506a
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SHA256
f3272c1d83abe1c34e604d47d8e7994fc9b9d9914606fe0499fd2feef07cd1cb
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SHA512
54e91fd5b813076514b73b2415ebbe269549cccc3a458ae318ab06676abc2bcc74276011e903258bd3fc3bf7c216c5a140cb013ccb9ca7d6c97d4b9c1d7f0bbe
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SSDEEP
12288:HM2iNyOe42KMu/N3mWhQmwmJCMpUlOwr1v8+7VfK0AKV6sUj7sMl9vNpyws1KNS2:s1wOV/NOaOOwr1v8yVfKrg6sUjQsZeKZ
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6118510930:AAGLmjz14DOBPW-OuVj-xMJhmBoGJAqv5to/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 purchase order (2).exe Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 purchase order (2).exe Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 purchase order (2).exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\zfftgT = "C:\\Users\\Admin\\AppData\\Roaming\\zfftgT\\zfftgT.exe" purchase order (2).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 1 IoCs
description pid Process procid_target PID 2004 set thread context of 1376 2004 purchase order (2).exe 33 -
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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1772 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2004 purchase order (2).exe 2004 purchase order (2).exe 2004 purchase order (2).exe 872 powershell.exe 268 powershell.exe 1376 purchase order (2).exe 1376 purchase order (2).exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2004 purchase order (2).exe Token: SeDebugPrivilege 872 powershell.exe Token: SeDebugPrivilege 268 powershell.exe Token: SeDebugPrivilege 1376 purchase order (2).exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2004 wrote to memory of 268 2004 purchase order (2).exe 27 PID 2004 wrote to memory of 268 2004 purchase order (2).exe 27 PID 2004 wrote to memory of 268 2004 purchase order (2).exe 27 PID 2004 wrote to memory of 268 2004 purchase order (2).exe 27 PID 2004 wrote to memory of 872 2004 purchase order (2).exe 29 PID 2004 wrote to memory of 872 2004 purchase order (2).exe 29 PID 2004 wrote to memory of 872 2004 purchase order (2).exe 29 PID 2004 wrote to memory of 872 2004 purchase order (2).exe 29 PID 2004 wrote to memory of 1772 2004 purchase order (2).exe 31 PID 2004 wrote to memory of 1772 2004 purchase order (2).exe 31 PID 2004 wrote to memory of 1772 2004 purchase order (2).exe 31 PID 2004 wrote to memory of 1772 2004 purchase order (2).exe 31 PID 2004 wrote to memory of 1376 2004 purchase order (2).exe 33 PID 2004 wrote to memory of 1376 2004 purchase order (2).exe 33 PID 2004 wrote to memory of 1376 2004 purchase order (2).exe 33 PID 2004 wrote to memory of 1376 2004 purchase order (2).exe 33 PID 2004 wrote to memory of 1376 2004 purchase order (2).exe 33 PID 2004 wrote to memory of 1376 2004 purchase order (2).exe 33 PID 2004 wrote to memory of 1376 2004 purchase order (2).exe 33 PID 2004 wrote to memory of 1376 2004 purchase order (2).exe 33 PID 2004 wrote to memory of 1376 2004 purchase order (2).exe 33 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 purchase order (2).exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 purchase order (2).exe
Processes
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C:\Users\Admin\AppData\Local\Temp\purchase order (2).exe"C:\Users\Admin\AppData\Local\Temp\purchase order (2).exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2004 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\purchase order (2).exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:268
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uXsGLULpXF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:872
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uXsGLULpXF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD6EF.tmp"2⤵
- Creates scheduled task(s)
PID:1772
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C:\Users\Admin\AppData\Local\Temp\purchase order (2).exe"C:\Users\Admin\AppData\Local\Temp\purchase order (2).exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1376
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD55ce8dc1182a24118d6397aaf2a05fe83
SHA155217704c72909a7e80173d8d0628eb51214c814
SHA256d93cb424bbc33c0e8e737dfd55d22c8e78c03113c164c1614da87f6705001bfd
SHA5129b93da33af6b29341d70f9ddc6e7ce1ada9f1068d58b83a5568d6a92bf916cb9cbd3276cbbf435da407fbe81f97874b8a5d384a519edc2becc13ad2aae82951c
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\9DZUFVHCMDZP3JJLPI1I.temp
Filesize7KB
MD586058d48379ef0e2fc8293e598b45330
SHA1befe425df64e66b8bb0f61f5e75f8474430e4238
SHA256e8e29c63a0a04751c6693f23e41c36c57dd22d5c091f2ff95b4dd2672675c858
SHA512621fae25559c1448b6b7a8bc4657ef8d7a8d283eb22cf8c234ed295946586fde447e7e5772ee712f6772c831f5facf56c8d75c7fb22ada640da5b9b5631a4cf1
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD586058d48379ef0e2fc8293e598b45330
SHA1befe425df64e66b8bb0f61f5e75f8474430e4238
SHA256e8e29c63a0a04751c6693f23e41c36c57dd22d5c091f2ff95b4dd2672675c858
SHA512621fae25559c1448b6b7a8bc4657ef8d7a8d283eb22cf8c234ed295946586fde447e7e5772ee712f6772c831f5facf56c8d75c7fb22ada640da5b9b5631a4cf1