Analysis
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max time kernel
117s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
27-03-2024 20:40
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20240226-en
General
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Target
tmp.exe
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Size
340KB
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MD5
845971e68786f9c59ad9e4d5b7a2b1fe
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SHA1
619a41e8a05c9f1f8aa56684e6578f9efd2acf0f
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SHA256
e749697baf047ee9b5261865ffb43b8b92e77288f9d764798d00c2fd685ca573
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SHA512
c00e5cc5bc66c3ef5e078330aa26d5a6c29cd76c611418c3bf16e6f1d25693974757e97cd689c7a587d9a3c4ddecf6c90bd8be7f7015d082987cdc6e1683400b
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SSDEEP
6144:c8k80ckeOTFIdzXdVufRrLivwburclAp07IdY:c8k80ckeaId65LswburcypJ
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot7178103238:AAFpcijMmYeMlJJVnAmpmroCaHuSs5YlbxU/
Extracted
xworm
127.0.0.1:5000
51.89.241.91:5000
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Install_directory
%Public%
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install_file
Adobe Cloud.exe
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telegram
https://api.telegram.org/bot5474576959:AAEFEPb7hmHEmq_ZM_jasyYk46DECm44Sm0/sendMessage?chat_id=1412104349
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect Xworm Payload 2 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Adobe Cloud.exe family_xworm behavioral1/memory/2684-11-0x00000000001B0000-0x00000000001C6000-memory.dmp family_xworm -
Drops startup file 2 IoCs
Processes:
Adobe Cloud.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Adobe Cloud.lnk Adobe Cloud.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Adobe Cloud.lnk Adobe Cloud.exe -
Executes dropped EXE 1 IoCs
Processes:
Adobe Cloud.exepid process 2684 Adobe Cloud.exe -
Loads dropped DLL 1 IoCs
Processes:
tmp.exepid process 2028 tmp.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 2 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 2 IoCs
Processes:
tmp.exeAdobe Cloud.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\System interrupt = "C:\\Users\\Admin\\AppData\\Roaming\\System interrupt\\System interrupt.exe" tmp.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe Cloud = "C:\\Users\\Public\\Adobe Cloud.exe" Adobe Cloud.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 api.ipify.org 5 api.ipify.org 6 ip-api.com -
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: AddClipboardFormatListener 1 IoCs
Processes:
Adobe Cloud.exepid process 2684 Adobe Cloud.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
tmp.exepid process 2028 tmp.exe 2028 tmp.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
tmp.exeAdobe Cloud.exedescription pid process Token: SeDebugPrivilege 2028 tmp.exe Token: SeDebugPrivilege 2684 Adobe Cloud.exe Token: SeDebugPrivilege 2684 Adobe Cloud.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
tmp.exepid process 2028 tmp.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
tmp.exeAdobe Cloud.exedescription pid process target process PID 2028 wrote to memory of 2684 2028 tmp.exe Adobe Cloud.exe PID 2028 wrote to memory of 2684 2028 tmp.exe Adobe Cloud.exe PID 2028 wrote to memory of 2684 2028 tmp.exe Adobe Cloud.exe PID 2028 wrote to memory of 2684 2028 tmp.exe Adobe Cloud.exe PID 2684 wrote to memory of 892 2684 Adobe Cloud.exe schtasks.exe PID 2684 wrote to memory of 892 2684 Adobe Cloud.exe schtasks.exe PID 2684 wrote to memory of 892 2684 Adobe Cloud.exe schtasks.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Adobe Cloud.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Adobe Cloud.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Adobe Cloud" /tr "C:\Users\Public\Adobe Cloud.exe"3⤵
- Creates scheduled task(s)
PID:892
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C:\Windows\system32\taskeng.exetaskeng.exe {BE1B4800-DB54-4999-8644-606ADD3A0ADC} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]1⤵PID:2388
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
66KB
MD543a6696dfbd330e7a31b6fea5c221355
SHA10e7344b329e0d188a5bb39179822cd94a2d94296
SHA256d9275381bfa7cb754b86f2610ac3e0885d0f38a837e7173a5b45edc8912b607a
SHA512b741612a7623982c1ae727bf96c004825675e5bd3fb701638b98eca67dc27b19db6202803ad54894e573e61f036466959b7f022e3dad4c62a3ae358130ffaedc