Analysis
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max time kernel
149s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
23-05-2024 01:20
General
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Target
f875e1997ef11eaf99dcb904fc36e95c917221519eed6e953573351c401abfa6.exe
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Size
865KB
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MD5
335d7670cd3baf2eb351af9e91c525f8
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SHA1
09d29d313bd687e8aff1892db673a3fc47a5af45
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SHA256
f875e1997ef11eaf99dcb904fc36e95c917221519eed6e953573351c401abfa6
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SHA512
f81eddece62dbad05ca09bd7f2bc51004fe8205a600628963bcbe270a0280ee627f12fcaf030794b54bbb8c4fb0dac8256cb7c09b69597b839d9f619340cc862
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SSDEEP
24576:jBVbtgi9W7utV+PNG/DY7i1ZOdut3iuv7lo:jBVbtTgVVCbM+3/lo
Malware Config
Extracted
Protocol: ftp- Host:
ftp.klptruck.hu - Port:
21 - Username:
[email protected] - Password:
kCu}[Z7z+)S[
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.klptruck.hu - Port:
21 - Username:
[email protected] - Password:
kCu}[Z7z+)S[
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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.
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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 WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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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 64 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\f875e1997ef11eaf99dcb904fc36e95c917221519eed6e953573351c401abfa6.exe"C:\Users\Admin\AppData\Local\Temp\f875e1997ef11eaf99dcb904fc36e95c917221519eed6e953573351c401abfa6.exe"1⤵
- Checks computer location settings
- 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\iGZIaA.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iGZIaA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7C73.tmp"2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_omanenyf.wdu.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\tmp7C73.tmpFilesize
1KB
MD585a09312bd73e454073d3e47500cf745
SHA1bfe27753dbdc2984b1f592ad68954a4f72c4765f
SHA25675291d24c3f5499b97de4ad08c60c8c813c4c68008312068d4a1296355a54b05
SHA51218e43bd227eadc4ab2d1521ea00bc63b08c1146792ff5b5dcfe604bf0f5f9ac51f938768761723536509f5ef0f3b24c0512581d4b90ce61519b7536260c76692
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memory/1948-15-0x0000000002220000-0x0000000002256000-memory.dmpFilesize
216KB
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memory/1948-54-0x0000000006E70000-0x0000000006E8A000-memory.dmpFilesize
104KB
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memory/1948-36-0x0000000005BE0000-0x0000000005C2C000-memory.dmpFilesize
304KB
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memory/1948-65-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
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memory/1948-62-0x0000000007190000-0x0000000007198000-memory.dmpFilesize
32KB
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memory/1948-61-0x00000000071B0000-0x00000000071CA000-memory.dmpFilesize
104KB
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memory/1948-60-0x00000000070B0000-0x00000000070C4000-memory.dmpFilesize
80KB
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memory/1948-35-0x0000000005B50000-0x0000000005B6E000-memory.dmpFilesize
120KB
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memory/1948-59-0x00000000070A0000-0x00000000070AE000-memory.dmpFilesize
56KB
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memory/1948-58-0x0000000007070000-0x0000000007081000-memory.dmpFilesize
68KB
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memory/1948-16-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
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memory/1948-18-0x0000000004DE0000-0x0000000005408000-memory.dmpFilesize
6.2MB
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memory/1948-56-0x00000000070F0000-0x0000000007186000-memory.dmpFilesize
600KB
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memory/1948-55-0x0000000006EE0000-0x0000000006EEA000-memory.dmpFilesize
40KB
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memory/1948-20-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
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memory/1948-53-0x00000000074B0000-0x0000000007B2A000-memory.dmpFilesize
6.5MB
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memory/1948-19-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
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memory/1948-23-0x0000000004C90000-0x0000000004CB2000-memory.dmpFilesize
136KB
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memory/1948-24-0x0000000005480000-0x00000000054E6000-memory.dmpFilesize
408KB
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memory/1948-30-0x0000000005560000-0x00000000058B4000-memory.dmpFilesize
3.3MB
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memory/1948-51-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
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memory/1948-50-0x0000000006B30000-0x0000000006BD3000-memory.dmpFilesize
652KB
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memory/1948-49-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
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memory/1948-38-0x0000000070020000-0x000000007006C000-memory.dmpFilesize
304KB
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memory/1948-37-0x0000000006AF0000-0x0000000006B22000-memory.dmpFilesize
200KB
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memory/1948-48-0x0000000006AB0000-0x0000000006ACE000-memory.dmpFilesize
120KB
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memory/2544-52-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
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memory/2544-0-0x00000000751FE000-0x00000000751FF000-memory.dmpFilesize
4KB
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memory/2544-2-0x00000000054C0000-0x0000000005A64000-memory.dmpFilesize
5.6MB
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memory/2544-57-0x00000000068A0000-0x00000000068F0000-memory.dmpFilesize
320KB
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memory/2544-4-0x0000000004FA0000-0x0000000004FAA000-memory.dmpFilesize
40KB
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memory/2544-3-0x0000000004FB0000-0x0000000005042000-memory.dmpFilesize
584KB
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memory/2544-1-0x00000000004A0000-0x000000000057E000-memory.dmpFilesize
888KB
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memory/2544-9-0x0000000006660000-0x00000000066E4000-memory.dmpFilesize
528KB
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memory/2544-22-0x0000000009010000-0x0000000009076000-memory.dmpFilesize
408KB
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memory/2544-21-0x0000000004980000-0x00000000049C2000-memory.dmpFilesize
264KB
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memory/2544-10-0x0000000008D00000-0x0000000008D9C000-memory.dmpFilesize
624KB
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memory/2544-8-0x0000000006320000-0x0000000006330000-memory.dmpFilesize
64KB
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memory/2544-7-0x0000000006300000-0x000000000631E000-memory.dmpFilesize
120KB
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memory/2544-6-0x0000000006250000-0x00000000062F6000-memory.dmpFilesize
664KB
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memory/2544-5-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
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memory/2544-66-0x00000000751FE000-0x00000000751FF000-memory.dmpFilesize
4KB