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Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
22/09/2023, 14:59
General
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Target
Halkbank_Ekstre_20230922_080757_783952.pdf.exe
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Size
681KB
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MD5
53483243c640b8970c9a3ff9104566fa
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SHA1
d37897805dbb2cb3baa073632a945d09f2e63681
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SHA256
8c9aaf55abdaf2a893d56dc0ff3f3e37ec100a6e0ad0adf82f2cff4997112e12
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SHA512
7389847c1c3b7ace48043bb43c2daa5bdf9f9ad7bf57b74062e8f6f044fcc4d4150a5627409a7676178bf9aee91eba6cf2089c472e2da10151bd405d38411eb6
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SSDEEP
12288:JrD6YuMnVTZsTvHAJ/FvspW+Pz7IEfwxechfKTxdIl0HKSzTKp0K:hD9uMnVdsTYJ/Ts/IYwxDudbhK
Malware Config
Extracted
Protocol: smtp- Host:
mail.netre-agro.com - Port:
587 - Username:
[email protected] - Password:
Calidon@2023
Extracted
agenttesla
Protocol: smtp- Host:
mail.netre-agro.com - Port:
587 - Username:
[email protected] - Password:
Calidon@2023 - 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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Adds Run key to start application 2 TTPs 1 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 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 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_20230922_080757_783952.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230922_080757_783952.pdf.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\NcbzfWtVnVcgq.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\NcbzfWtVnVcgq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFEBE.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230922_080757_783952.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230922_080757_783952.pdf.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
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD527b2fec2a6283b09ef15bd709cb96c3d
SHA1728585dd6390edf7806524dcf4bf18139632a001
SHA256451a266b23424f3075e68b990cb90c7c177d48a64688c39ee77a4e9e239cf311
SHA512bb10e90a881b259b1b90e54a1451f660c96e900576000a294cd1311ac5a6d3b3567cc7ad169ed26ff38719d65462ad31b2247e0f80118dd693f45927255de50b
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5f46f846028004cb4d0745311a5d4d051
SHA1f8e8ffde2e677f6da150b7cb54f6812a58d0da0f
SHA25653641de3ac6b736941d3df21defb9f3c1e5dfc1acc5426f14b1a80a278f1b3fd
SHA512955cb6ac7c7aeb195756dec1804ad4b149d08f2234f394fe6be25d9f8f96c58d466b1b45485edde813a1cc7a2ef343bf6040d3cf0d13b523e1c08410420937ac
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Filesize
136KB
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Filesize
104KB
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Filesize
7.7MB
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Filesize
32KB
-
Filesize
104KB
-
Filesize
80KB
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Filesize
56KB
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Filesize
64KB
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Filesize
68KB
-
Filesize
3.3MB
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Filesize
7.7MB
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Filesize
216KB
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Filesize
64KB
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Filesize
40KB
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Filesize
64KB
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Filesize
64KB
-
Filesize
6.5MB
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Filesize
6.2MB
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Filesize
652KB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
200KB
-
Filesize
64KB
-
Filesize
408KB
-
Filesize
64KB
-
Filesize
600KB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
7.7MB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
7.7MB
-
Filesize
320KB
-
Filesize
408KB
-
Filesize
64KB
-
Filesize
272KB
-
Filesize
7.7MB
-
Filesize
504KB
-
Filesize
5.6MB
-
Filesize
64KB
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Filesize
7.7MB
-
Filesize
584KB
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Filesize
624KB
-
Filesize
704KB
-
Filesize
48KB
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Filesize
40KB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
104KB
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Filesize
40KB