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Analysis
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max time kernel
107s -
max time network
110s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06/10/2024, 11:30
Static task
static1
Behavioral task
behavioral1
Sample
Booking_0106.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Booking_0106.exe
Resource
win10v2004-20240802-en
General
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Target
Booking_0106.exe
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Size
1.9MB
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MD5
219bc0b3320f5f73d684f07800c0134d
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SHA1
867abe30a0018c0c902f11a9edfb7c0262cdedf5
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SHA256
4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6
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SHA512
4bec94a472bdbd156f22bd4eddb44bb8b2c11910e4c12269fa73a7f71f4f290db4eb9014bf5e1ba322c97af7a195081821d35848b6ea93dce5e05a18cd6c88a4
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SSDEEP
49152:2RvAXWfY323knu/nL1Pv4ZWrgN4l07QfR0feTtH8FmmCCCCCvaFK3:UfrU2pSsF8FmmCCCCCL3
Malware Config
Extracted
Protocol: smtp- Host:
162.254.34.31 - Port:
587 - Username:
[email protected] - Password:
ABwuRZS5Mjh5
Extracted
agenttesla
Protocol: smtp- Host:
162.254.34.31 - Port:
587 - Username:
[email protected] - Password:
ABwuRZS5Mjh5 - 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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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 3852 created 3428 3852 Booking_0106.exe 56 -
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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation Booking_0106.exe -
Executes dropped EXE 1 IoCs
pid Process 2660 doc-d.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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ibrzb = "C:\\Users\\Admin\\AppData\\Roaming\\ibrzb.exe" Booking_0106.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 15 api.ipify.org 16 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3852 set thread context of 1092 3852 Booking_0106.exe 83 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2600 2660 WerFault.exe 82 -
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 Booking_0106.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Booking_0106.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language doc-d.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3852 Booking_0106.exe 1092 Booking_0106.exe 1092 Booking_0106.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3852 Booking_0106.exe Token: SeDebugPrivilege 3852 Booking_0106.exe Token: SeDebugPrivilege 2660 doc-d.exe Token: SeDebugPrivilege 1092 Booking_0106.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3852 wrote to memory of 2660 3852 Booking_0106.exe 82 PID 3852 wrote to memory of 2660 3852 Booking_0106.exe 82 PID 3852 wrote to memory of 2660 3852 Booking_0106.exe 82 PID 3852 wrote to memory of 1092 3852 Booking_0106.exe 83 PID 3852 wrote to memory of 1092 3852 Booking_0106.exe 83 PID 3852 wrote to memory of 1092 3852 Booking_0106.exe 83 PID 3852 wrote to memory of 1092 3852 Booking_0106.exe 83 PID 3852 wrote to memory of 1092 3852 Booking_0106.exe 83 PID 3852 wrote to memory of 1092 3852 Booking_0106.exe 83 PID 3852 wrote to memory of 1092 3852 Booking_0106.exe 83 PID 3852 wrote to memory of 1092 3852 Booking_0106.exe 83
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3428
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C:\Users\Admin\AppData\Local\Temp\Booking_0106.exe"C:\Users\Admin\AppData\Local\Temp\Booking_0106.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3852 -
C:\Users\Admin\AppData\Local\Temp\doc-d.exe"C:\Users\Admin\AppData\Local\Temp\doc-d.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2660 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 16324⤵
- Program crash
PID:2600
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C:\Users\Admin\AppData\Local\Temp\Booking_0106.exe"C:\Users\Admin\AppData\Local\Temp\Booking_0106.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2660 -ip 26601⤵PID:2908
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
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
15KB
MD5c9ef77ca68f77b6c1267a7314203c94b
SHA13c43348fdbcbb25f6a145d32c604f76844994c3f
SHA256fbcdfa1a6fb23286f43c1ac9cf45dc4be64f328cf1c719abe7fb503021bf9e3d
SHA5124893a117704eda88e3a8fc5e0d68c2b70da2a0fd439baae46b717ae41862f910ca4416fe2d89b7113722862a96ed746b1710f33643bf927f63a325542382baf6