Analysis
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max time kernel
132s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-11-2024 10:39
Static task
static1
Behavioral task
behavioral1
Sample
paket teklif.exe
Resource
win7-20240729-en
General
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Target
paket teklif.exe
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Size
655KB
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MD5
bfe4949eae3957221a1762bf563e5fbc
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SHA1
56b362821de9f80cdcafcfb7f10a5728a55a1ee3
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SHA256
05686f0f36d10b7c3056592eba7b16959f1940268ca9979c2312c50b8a73e045
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SHA512
f8e9e8a1f62aac6383d302ec86675c3acd3a5e0dbbe2aae00a9545eb73d1c8d40806c9d0afac825a7aee3bc0b35a3ec0766e564565759670fc39abda99cde5b7
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SSDEEP
12288:wV1o7m8OP6he57NiUokKZD0VQ2ErB3utA8hclbUoRp3D1vYd1E6:wHo7CPXpikKNKQjrB3S1hclYoRp3xvYf
Malware Config
Extracted
Protocol: smtp- Host:
mail.apexrnun.com - Port:
587 - Username:
[email protected] - Password:
CCu5Z?WuH+bS4hsz
Extracted
agenttesla
Protocol: smtp- Host:
mail.apexrnun.com - Port:
587 - Username:
[email protected] - Password:
CCu5Z?WuH+bS4hsz - 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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Agenttesla family
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 3180 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation paket teklif.exe -
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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 19 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 804 set thread context of 4548 804 paket teklif.exe 104 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language paket teklif.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language paket teklif.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 804 paket teklif.exe 804 paket teklif.exe 4548 paket teklif.exe 4548 paket teklif.exe 3180 powershell.exe 3180 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 804 paket teklif.exe Token: SeDebugPrivilege 4548 paket teklif.exe Token: SeDebugPrivilege 3180 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 804 wrote to memory of 3180 804 paket teklif.exe 101 PID 804 wrote to memory of 3180 804 paket teklif.exe 101 PID 804 wrote to memory of 3180 804 paket teklif.exe 101 PID 804 wrote to memory of 3260 804 paket teklif.exe 103 PID 804 wrote to memory of 3260 804 paket teklif.exe 103 PID 804 wrote to memory of 3260 804 paket teklif.exe 103 PID 804 wrote to memory of 4548 804 paket teklif.exe 104 PID 804 wrote to memory of 4548 804 paket teklif.exe 104 PID 804 wrote to memory of 4548 804 paket teklif.exe 104 PID 804 wrote to memory of 4548 804 paket teklif.exe 104 PID 804 wrote to memory of 4548 804 paket teklif.exe 104 PID 804 wrote to memory of 4548 804 paket teklif.exe 104 PID 804 wrote to memory of 4548 804 paket teklif.exe 104 PID 804 wrote to memory of 4548 804 paket teklif.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\paket teklif.exe"C:\Users\Admin\AppData\Local\Temp\paket teklif.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:804 -
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\paket teklif.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3180
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C:\Users\Admin\AppData\Local\Temp\paket teklif.exe"C:\Users\Admin\AppData\Local\Temp\paket teklif.exe"2⤵PID:3260
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C:\Users\Admin\AppData\Local\Temp\paket teklif.exe"C:\Users\Admin\AppData\Local\Temp\paket teklif.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4548
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82