Analysis
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max time kernel
77s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
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submitted
09/05/2023, 16:10
General
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Target
RE KRMU6644555 - TUTICORIN _YMHG 4th PO#QSB-180211, QSB-1802102 & GSB-18021992 .pdf.exe
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Size
611KB
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MD5
beaa0809a41f302ef5fe63f8ff33dc7c
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SHA1
a35a921038cd3fbfd9be5dbeecb810b509c8af44
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SHA256
d46e1ec4fd88c836e0f27060808c2506e0df5d1034f9c88e56dd37bfc2113120
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SHA512
7a50094e704bd5b7855d2f9a1591fc5bede16702b60eaebfd1308fd9f103c97cbc870e1a59669d30e1a7b300ab14a68c1eb29790a8f0d574ec45f05d7744c4b9
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SSDEEP
12288:5Nj5AyzfpNHju4KJLwWk4yNAV8kYRz/Mf4QoCRn3AAztGSYzSwIp+muvuB1/2:53/NHadJLwWcNAmkYRDmn3z0SYzSXSuL
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5494052141:AAF2aO4sQ_tu4BOnk0pmxB995km7Mslduy0/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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
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Suspicious use of SetThreadContext 1 IoCs
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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.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 17 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\RE KRMU6644555 - TUTICORIN _YMHG 4th PO#QSB-180211, QSB-1802102 & GSB-18021992 .pdf.exe"C:\Users\Admin\AppData\Local\Temp\RE KRMU6644555 - TUTICORIN _YMHG 4th PO#QSB-180211, QSB-1802102 & GSB-18021992 .pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- 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" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RE KRMU6644555 - TUTICORIN _YMHG 4th PO#QSB-180211, QSB-1802102 & GSB-18021992 .pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\BIfqBYtWZCWdQZ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BIfqBYtWZCWdQZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4E6E.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\RE KRMU6644555 - TUTICORIN _YMHG 4th PO#QSB-180211, QSB-1802102 & GSB-18021992 .pdf.exe"C:\Users\Admin\AppData\Local\Temp\RE KRMU6644555 - TUTICORIN _YMHG 4th PO#QSB-180211, QSB-1802102 & GSB-18021992 .pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD533b19d75aa77114216dbc23f43b195e3
SHA136a6c3975e619e0c5232aa4f5b7dc1fec9525535
SHA256b23ced31b855e5a39c94afa1f9d55b023b8c40d4dc62143e0539c6916c12c9d2
SHA512676fa2fd34878b75e5899197fe6826bb5604541aa468804bc9835bd3acabed2e6759878a8f1358955413818a51456816e90f149133828575a416c2a74fc7d821
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Filesize
18KB
MD59496f25b31bbfdea0c430b9909fa752e
SHA1d1bfee3a57c39033c003dee56bedc5eb3a1cb805
SHA256b567dc0dbab9fae89c54b1f0ae1be1672352688b524c6fbfc9112ccf031f9053
SHA5123e2910387445a72135261bb5bebbe74d90e0e8ceefc99427dd88992256ff020cc88b0c307188db1bc59e4d12d20d570f3ea5500c2017c11a70965392939b87f4
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5464bf6bac2f832e9aa516d4c9c8151ea
SHA104d4ede9dd4cd7a5f3b06b3e43c3da613e6af850
SHA256f18afebe95352c0abb199b37e78f7748a76d3d6bd99ff78d0ab94722ab269a01
SHA5125124eae08a37e1688abf4c156bcddf691b11a054c25ca3ca768514c9f1ebccba0aa5d0e8c55a05c5008e0e330edf84992e237d5e520fe5a6329e2c9c1442c7fe
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Filesize
64KB
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Filesize
600KB
-
Filesize
32KB
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Filesize
104KB
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Filesize
56KB
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Filesize
40KB
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Filesize
104KB
-
Filesize
6.5MB
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Filesize
64KB
-
Filesize
64KB
-
Filesize
120KB
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Filesize
304KB
-
Filesize
200KB
-
Filesize
64KB
-
Filesize
408KB
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Filesize
120KB
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Filesize
64KB
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Filesize
64KB
-
Filesize
408KB
-
Filesize
136KB
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Filesize
216KB
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Filesize
6.2MB
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Filesize
64KB
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Filesize
64KB
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Filesize
1.8MB
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Filesize
192KB
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Filesize
320KB
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Filesize
40KB
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Filesize
64KB
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Filesize
64KB
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Filesize
624KB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
640KB