Analysis
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max time kernel
139s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
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submitted
08-12-2023 10:05
General
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Target
TENDER #2023 12.exe
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Size
660KB
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MD5
af1312402549634438799c9929c6b6b0
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SHA1
8bf9df7090f6d82950bc95222ff5dda97a83d522
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SHA256
f1828c971d6117233cadc24c1661fcfb2972323cebc0010ae8a078a03d593d21
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SHA512
0d50c8e64022ae5b3e7fcdb014ff23dd01877a5d7073a07869745b4fd3546aaede4bd0e76518e9d9555a7f0a7bccc3084485522ebd8ede1a36d6656f20bccf7a
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SSDEEP
12288:qhkZ5lntswim4c4wxLVEXir8gtx+wdUd++Wnf6D+:qK/Vim4ZJO+wdk+W+
Malware Config
Extracted
Protocol: smtp- Host:
mail.dayanbiotech.ir - Port:
587 - Username:
[email protected] - Password:
Amir49758
Extracted
agenttesla
Protocol: smtp- Host:
mail.dayanbiotech.ir - Port:
587 - Username:
[email protected] - Password:
Amir49758 - Email To:
[email protected]
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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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 3 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\TENDER #2023 12.exe"C:\Users\Admin\AppData\Local\Temp\TENDER #2023 12.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\Roaming\IkEOxXDtbfjlD.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\IkEOxXDtbfjlD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8879.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\TENDER #2023 12.exe"C:\Users\Admin\AppData\Local\Temp\TENDER #2023 12.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD56feca206485fd777ff0146d04163afef
SHA14786a29a50d6c929d92453eb3d1110660a89c726
SHA256808d5cc1eb15715bdb3ca3bc92f3f6bf1afc637ad4a038ae4b6b2fc4821d8c67
SHA5121d62ea1ffaf024ea486bac8ca26c0413596d961550d0c2bf14ab3c1910e8f88452d6433dd988cd32e940cb454886db200134e731b45abb17364344371172a1a0
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Filesize
408KB
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Filesize
68KB
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Filesize
7.7MB
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Filesize
120KB
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Filesize
32KB
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Filesize
104KB
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Filesize
80KB
-
Filesize
56KB
-
Filesize
600KB
-
Filesize
40KB
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Filesize
216KB
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Filesize
104KB
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Filesize
6.2MB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
6.5MB
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Filesize
652KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
136KB
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Filesize
120KB
-
Filesize
304KB
-
Filesize
200KB
-
Filesize
304KB
-
Filesize
64KB
-
Filesize
256KB
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Filesize
7.7MB
-
Filesize
320KB
-
Filesize
64KB
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Filesize
7.7MB
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Filesize
408KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
40KB
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Filesize
624KB
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Filesize
504KB
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Filesize
584KB
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Filesize
688KB
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Filesize
5.6MB
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Filesize
32KB
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Filesize
104KB
-
Filesize
7.7MB
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Filesize
3.3MB
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Filesize
64KB
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Filesize
40KB
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Filesize
64KB
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Filesize
64KB
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Filesize
4KB
-
Filesize
4KB
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Filesize
4KB
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Filesize
4KB