Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25-01-2025 01:16
Static task
static1
Behavioral task
behavioral1
Sample
New Order pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
New Order pdf.exe
Resource
win10v2004-20241007-en
General
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Target
New Order pdf.exe
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Size
735KB
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MD5
4d0215e757c2b16805e0fd3f02153cfa
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SHA1
fa61b227f524932a613396437f28c11e27706da4
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SHA256
df22c622ece919c5d8118064a40dcb4b13b998333efa50a2727332a08f6de592
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SHA512
756e349e33d89baaad357f910835634a401b540a3ade3eb2a604cc0978d508a0496d12382a988e1e6cd9c535e6996d0647dd6c6fb4d2efe2090066af0277c456
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SSDEEP
12288:hpplJI5OCf9pYFrXhkTxGYMPOkKNOAKRiLyiaQBq+MnGY5fY0PtqwnYQIbwNWjJ+:hX45FA3KUzPOkH3iLi7nf5w0AvbbJ
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
w#chNV#1 - 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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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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZUHFqcY = "C:\\Users\\Admin\\AppData\\Roaming\\ZUHFqcY\\ZUHFqcY.exe" New Order pdf.exe -
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 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2036 set thread context of 2752 2036 New Order pdf.exe 31 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 New Order pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language New Order pdf.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2752 New Order pdf.exe 2752 New Order pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2752 New Order pdf.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2036 wrote to memory of 2752 2036 New Order pdf.exe 31 PID 2036 wrote to memory of 2752 2036 New Order pdf.exe 31 PID 2036 wrote to memory of 2752 2036 New Order pdf.exe 31 PID 2036 wrote to memory of 2752 2036 New Order pdf.exe 31 PID 2036 wrote to memory of 2752 2036 New Order pdf.exe 31 PID 2036 wrote to memory of 2752 2036 New Order pdf.exe 31 PID 2036 wrote to memory of 2752 2036 New Order pdf.exe 31 PID 2036 wrote to memory of 2752 2036 New Order pdf.exe 31 PID 2036 wrote to memory of 2752 2036 New Order pdf.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\New Order pdf.exe"C:\Users\Admin\AppData\Local\Temp\New Order pdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Users\Admin\AppData\Local\Temp\New Order pdf.exe"C:\Users\Admin\AppData\Local\Temp\New Order pdf.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2752
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