Analysis
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max time kernel
168s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
12/10/2023, 04:26
General
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Target
Halkbank_Ekstre_20230918_073809_405251-PDF.exe
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Size
870KB
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MD5
84fc8471bb943cd772536922808494be
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SHA1
c05e01390eb3f59f58ecf92e68c3975197c1f1c6
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SHA256
fec13aa5cd5a5f883361b1192f68fe5f76da2e01437d99d767c383f5137da618
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SHA512
1e7c4463f89231072242cffdef68a732322884282e8ac56e8aab9887d1c65ed7e496a9f1e3b0ecc10b03ffc01c03db6643428568df4e077233794331f5343ad6
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SSDEEP
12288:Pm2iNNEisUH/hPBKkKHUa01o3DvwuxG/UffSaxGkHIeCRoFQUW9d+pnEcTgVOGEo:e1XEWpPBKkmQo3jwd/UfDBjQ9+ixW1q
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6315598701:AAF2CsdeWHvEuw0HSURtUQQu4FuqwvM5AOA/
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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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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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 8 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 14 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\Halkbank_Ekstre_20230918_073809_405251-PDF.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230918_073809_405251-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\Roaming\TBjeFzdy.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\TBjeFzdy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB66A.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230918_073809_405251-PDF.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230918_073809_405251-PDF.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
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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
MD5f80eb16ae3e8e0cc93df49d6c5bbe9b5
SHA1850356827da14ac3acec16743b30728b70a77319
SHA2562233f3e68738252b1511e6d9e0e764da68ae6d71c94f930c6f7334e2b5d5bbd7
SHA51219e7a2333e06ec72ac4ed59feed0fe2b4ac02e33500428da854886e25448c63472706b119e91c46c0848a5dc04223a5e255695f153e9f063a1fe7c233e847e33
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Filesize
48KB
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Filesize
32KB
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Filesize
64KB
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Filesize
40KB
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Filesize
88KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
5.6MB
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Filesize
7.7MB
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Filesize
504KB
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Filesize
624KB
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Filesize
584KB
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Filesize
7.7MB
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Filesize
896KB
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Filesize
320KB
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Filesize
7.7MB
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Filesize
272KB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
408KB
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Filesize
64KB
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Filesize
408KB
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Filesize
304KB
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Filesize
6.2MB
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Filesize
216KB
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Filesize
3.3MB
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Filesize
120KB
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Filesize
304KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
64KB
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Filesize
200KB
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Filesize
64KB
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Filesize
64KB
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Filesize
136KB
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Filesize
64KB
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Filesize
120KB
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Filesize
652KB
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Filesize
6.5MB
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Filesize
104KB
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Filesize
40KB
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Filesize
600KB
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Filesize
68KB
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Filesize
56KB
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Filesize
80KB
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Filesize
104KB
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Filesize
32KB
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Filesize
7.7MB