Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23-05-2024 02:28
Static task
static1
Behavioral task
behavioral1
Sample
cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe
Resource
win7-20240221-en
General
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Target
cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe
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Size
659KB
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MD5
55e015f998bcf91ac5984298d41de7ba
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SHA1
bcab84326176900d85ce740486c9498a8d23ebd5
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SHA256
cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d
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SHA512
6b490994dd0ac4038da850c0af9019f3d683c2df7bcc5d76292ee01f8c70098df15d8e74127610eae64d471de55edbd67f39dcc064d2f42ccb25857e169ba172
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SSDEEP
12288:BQgzi8LkpEa4qAvIZX5cNIixfPdORFIK0x7+2qYxUunx6TPZaty3k3SKlonmfSL2:BQg2jEFqhZX5O3xHdWD+q2j7Es43ek3y
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot7171896485:AAHBPgJTIceKNYXu1ygNkvPPqrgHeOG7q7k/
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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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.
Processes:
flow ioc 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exedescription pid process target process PID 1936 set thread context of 2684 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe -
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
Processes:
cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.execdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exepowershell.exepid process 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe 2684 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe 2684 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe 2728 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.execdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exepowershell.exedescription pid process Token: SeDebugPrivilege 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe Token: SeDebugPrivilege 2684 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe Token: SeDebugPrivilege 2728 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exedescription pid process target process PID 1936 wrote to memory of 2728 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe powershell.exe PID 1936 wrote to memory of 2728 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe powershell.exe PID 1936 wrote to memory of 2728 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe powershell.exe PID 1936 wrote to memory of 2728 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe powershell.exe PID 1936 wrote to memory of 2568 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe schtasks.exe PID 1936 wrote to memory of 2568 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe schtasks.exe PID 1936 wrote to memory of 2568 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe schtasks.exe PID 1936 wrote to memory of 2568 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe schtasks.exe PID 1936 wrote to memory of 2396 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 1936 wrote to memory of 2396 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 1936 wrote to memory of 2396 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 1936 wrote to memory of 2396 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 1936 wrote to memory of 2684 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 1936 wrote to memory of 2684 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 1936 wrote to memory of 2684 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 1936 wrote to memory of 2684 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 1936 wrote to memory of 2684 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 1936 wrote to memory of 2684 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 1936 wrote to memory of 2684 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 1936 wrote to memory of 2684 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 1936 wrote to memory of 2684 1936 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe"C:\Users\Admin\AppData\Local\Temp\cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1936 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NyKHuE.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2728
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NyKHuE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp72CF.tmp"2⤵
- Creates scheduled task(s)
PID:2568
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C:\Users\Admin\AppData\Local\Temp\cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe"C:\Users\Admin\AppData\Local\Temp\cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe"2⤵PID:2396
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C:\Users\Admin\AppData\Local\Temp\cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe"C:\Users\Admin\AppData\Local\Temp\cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2684
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5b8df73364457d383b01761167150e26f
SHA1440d7c2ceaa01b8e3e4a31337bf0fef7369ae62e
SHA256c89e4d7302152beafb0a3b65bfd377f3dd656fd50a7e1f8fdaa4d1a7f204cd19
SHA5123b5d8b0de70ecc7b19fa5c6fbcd849c51def1a0971d2d74420c50010ec7efdd60060cc9bbe97d296c4f7a17279f94d7aa26ab57a50d70699e58c9c016e794213