Analysis
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max time kernel
141s -
max time network
141s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
21-11-2020 09:17
Static task
static1
Behavioral task
behavioral1
Sample
DOC04121993.exe
Resource
win7v20201028
General
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Target
DOC04121993.exe
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Size
955KB
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MD5
710843b45a8e65c939d3ab4fb96d73e4
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SHA1
909799ac70c5a8a472b40579ff0c5bc982979676
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SHA256
d0ea8610ecee6c92c50af51c37a0a49f8550768609a08a5a2dcaf98bb06dcff3
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SHA512
04508620bcb1d8406cddcd0ae1dd9f0c31f27ad6e5c140fba402a0c5951901ae62e0f006a35e897f101cac36849981b8379585f906c5db0ef8f4686e7fb8acbc
Malware Config
Extracted
Protocol: smtp- Host:
mail.hybridgroupco.com - Port:
587 - Username:
info@hybridgroupco.com - Password:
Obinna123@@@
Extracted
agenttesla
Protocol: smtp- Host:
mail.hybridgroupco.com - Port:
587 - Username:
info@hybridgroupco.com - Password:
Obinna123@@@
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1824-6-0x0000000000400000-0x00000000004D9000-memory.dmp family_agenttesla behavioral2/memory/1824-3-0x00000000004D74C0-mapping.dmp family_agenttesla behavioral2/memory/1824-7-0x00000000021D0000-0x0000000002236000-memory.dmp family_agenttesla -
Processes:
resource yara_rule behavioral2/memory/1824-2-0x0000000000400000-0x00000000004D9000-memory.dmp upx behavioral2/memory/1824-5-0x0000000000400000-0x00000000004D9000-memory.dmp upx behavioral2/memory/1824-6-0x0000000000400000-0x00000000004D9000-memory.dmp upx -
Drops startup file 1 IoCs
Processes:
notepad.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\STARTUP.vbs notepad.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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Suspicious use of SetThreadContext 1 IoCs
Processes:
DOC04121993.exedescription pid process target process PID 3408 set thread context of 1824 3408 DOC04121993.exe DOC04121993.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
DOC04121993.exeDOC04121993.exepid process 3408 DOC04121993.exe 3408 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe 1544 DOC04121993.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
DOC04121993.exepid process 3408 DOC04121993.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
DOC04121993.exedescription pid process Token: SeDebugPrivilege 1824 DOC04121993.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
DOC04121993.exedescription pid process target process PID 3408 wrote to memory of 1784 3408 DOC04121993.exe notepad.exe PID 3408 wrote to memory of 1784 3408 DOC04121993.exe notepad.exe PID 3408 wrote to memory of 1784 3408 DOC04121993.exe notepad.exe PID 3408 wrote to memory of 1784 3408 DOC04121993.exe notepad.exe PID 3408 wrote to memory of 1784 3408 DOC04121993.exe notepad.exe PID 3408 wrote to memory of 1824 3408 DOC04121993.exe DOC04121993.exe PID 3408 wrote to memory of 1824 3408 DOC04121993.exe DOC04121993.exe PID 3408 wrote to memory of 1824 3408 DOC04121993.exe DOC04121993.exe PID 3408 wrote to memory of 1544 3408 DOC04121993.exe DOC04121993.exe PID 3408 wrote to memory of 1544 3408 DOC04121993.exe DOC04121993.exe PID 3408 wrote to memory of 1544 3408 DOC04121993.exe DOC04121993.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DOC04121993.exe"C:\Users\Admin\AppData\Local\Temp\DOC04121993.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Drops startup file
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C:\Users\Admin\AppData\Local\Temp\DOC04121993.exe"C:\Users\Admin\AppData\Local\Temp\DOC04121993.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\DOC04121993.exe"C:\Users\Admin\AppData\Local\Temp\DOC04121993.exe" 2 1824 2592726712⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1544-4-0x0000000000000000-mapping.dmp
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memory/1544-8-0x0000000000400000-0x00000000004F5000-memory.dmpFilesize
980KB
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memory/1784-1-0x0000000000000000-mapping.dmp
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memory/1824-2-0x0000000000400000-0x00000000004D9000-memory.dmpFilesize
868KB
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memory/1824-5-0x0000000000400000-0x00000000004D9000-memory.dmpFilesize
868KB
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memory/1824-6-0x0000000000400000-0x00000000004D9000-memory.dmpFilesize
868KB
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memory/1824-3-0x00000000004D74C0-mapping.dmp
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memory/1824-7-0x00000000021D0000-0x0000000002236000-memory.dmpFilesize
408KB
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memory/1824-9-0x0000000000932000-0x0000000000933000-memory.dmpFilesize
4KB
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memory/3408-0-0x0000000000400000-0x00000000004F5000-memory.dmpFilesize
980KB