Analysis
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max time kernel
148s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
08-10-2024 07:58
General
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Target
SecuriteInfo.com.MSIL.Kryptik.HDZY.tr.18191.767.exe
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Size
690KB
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MD5
dd2f23684673ca3e5c9f578764769b67
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SHA1
df4b4d3a081e4a9160feef06452a7a4b9f2687b9
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SHA256
f707fe133dc28a26c1bf930647601bc36d7ffdabe046c8eac7a9c6c23e11e2ff
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SHA512
7c47800fd704dd2a66110db05d08d570086985db8c64d073b9a5007a4a2b563f66e5740d7ee2f39c16172fc0b1336473d92c79719a664c38ee0f8292c9c71613
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SSDEEP
12288:CnCnlWQQlEMqeT9M0czOdmAEXut89Pj0hoLmCEtYCmE:bl9QWaMXzOdMX94hoK5t2E
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6712831410:AAHcAQdRCEA5D54-vSqmAsfuFOnMq6rPNCg/
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 2 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 3 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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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Scheduled Task/Job: Scheduled Task 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 4 IoCs
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Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.HDZY.tr.18191.767.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.HDZY.tr.18191.767.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
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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\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.HDZY.tr.18191.767.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\eFzAvsOm.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eFzAvsOm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDFB1.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.HDZY.tr.18191.767.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.Kryptik.HDZY.tr.18191.767.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential 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
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5bf5c984a58917a709f05752053fd78af
SHA1538487834afdf0e4cf82a78b7b30b1b0d48f860e
SHA256190cd433923f22dd762981f2ea7c0147b4d17dd72b2301198b0bd2cf56caf8a7
SHA51248c93be5fc4cf42df10b9e88be9b55e1106667f29f5a07186e92c98dc47dd03b004b1b3a6eba4ebb6ff6ffaf50bae675aa2a93874722dcefd22e72de444c0401
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5c821f92e3f7d08e1ac4760dfb7baf09f
SHA1102e61b5d2e1ca024a6893e789b394add6f395ef
SHA25628d732dbf727166bb79bd99611ad71913ad1885034ab3128fa5aac62fa606ae2
SHA51226faa0d0e8a79ae2333e06426508d8abdf04b3e1c79e9eda1344e61460ab1ca0ac3a16b34d4f6a8c30c6e062961dcec539ce5c3f48dea0fa6db6d6a8571d2f6f
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Filesize
408KB
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Filesize
120KB
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Filesize
304KB
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Filesize
3.3MB
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Filesize
7.7MB
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Filesize
304KB
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Filesize
7.7MB
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Filesize
216KB
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Filesize
6.2MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
600KB
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Filesize
408KB
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Filesize
136KB
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Filesize
32KB
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Filesize
80KB
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Filesize
104KB
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Filesize
7.7MB
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Filesize
6.5MB
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Filesize
56KB
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Filesize
68KB
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Filesize
304KB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
104KB
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Filesize
200KB
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Filesize
120KB
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Filesize
652KB
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Filesize
7.7MB
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Filesize
320KB
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Filesize
264KB
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Filesize
40KB
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Filesize
4KB
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Filesize
712KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
624KB
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Filesize
528KB
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Filesize
7.7MB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
96KB