Analysis
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max time kernel
139s -
max time network
142s -
platform
windows10_x64 -
resource
win10 -
submitted
13-07-2020 11:19
Static task
static1
Behavioral task
behavioral1
Sample
Ref scan_07_020.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
Ref scan_07_020.exe
Resource
win10
General
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Target
Ref scan_07_020.exe
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Size
933KB
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MD5
36d9a9a7eb556afd4cd1e68dfb408d57
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SHA1
c66c2ae7e13d7690e2e9ab9d3eb44dc3085def77
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SHA256
a7a7aab77c51aa47002d095884315b579779d134a893ec6270b4e2ea83bfc921
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SHA512
f33b952512ae96788bb7af3eb495d435a4ec5ee63da6c7fca62ebf4862287f82a5f7685244b665ad303cb901ba84140130d9f96b6788cf5c999d276d8482665c
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
Godwin@1234
Signatures
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Ref scan_07_020.exeRef scan_07_020.exepid Process 3544 Ref scan_07_020.exe 3544 Ref scan_07_020.exe 3028 Ref scan_07_020.exe 3028 Ref scan_07_020.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
Ref scan_07_020.exepid Process 3544 Ref scan_07_020.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Ref scan_07_020.exedescription pid Process Token: SeDebugPrivilege 3028 Ref scan_07_020.exe -
UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
Processes:
resource yara_rule behavioral2/memory/3028-0-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/3028-2-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/3028-3-0x0000000000400000-0x00000000004A4000-memory.dmp upx -
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 WriteProcessMemory 3 IoCs
Processes:
Ref scan_07_020.exedescription pid Process procid_target PID 3544 wrote to memory of 3028 3544 Ref scan_07_020.exe 67 PID 3544 wrote to memory of 3028 3544 Ref scan_07_020.exe 67 PID 3544 wrote to memory of 3028 3544 Ref scan_07_020.exe 67 -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Ref scan_07_020.exedescription pid Process procid_target PID 3544 set thread context of 3028 3544 Ref scan_07_020.exe 67 -
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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.
Processes
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C:\Users\Admin\AppData\Local\Temp\Ref scan_07_020.exe"C:\Users\Admin\AppData\Local\Temp\Ref scan_07_020.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:3544 -
C:\Users\Admin\AppData\Local\Temp\Ref scan_07_020.exe"C:\Users\Admin\AppData\Local\Temp\Ref scan_07_020.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3028
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