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Analysis
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max time kernel
140s -
max time network
131s -
platform
windows10_x64 -
resource
win10 -
submitted
09/07/2020, 08:04
Static task
static1
Behavioral task
behavioral1
Sample
invoice copy.pdf.exe
Resource
win7
Behavioral task
behavioral2
Sample
invoice copy.pdf.exe
Resource
win10
General
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Target
invoice copy.pdf.exe
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Size
936KB
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MD5
2edd8dec034997eaaaec39c5fd672253
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SHA1
6f69c8c6c7f4495bb7c7c1aefb37c493fdcd2220
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SHA256
61b6252c6e94348dfb52432de874d4784801bbf11016af055d2b625c1ec65463
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SHA512
655df6b4bb8f3a87534643b8242e94e27b67857bb54280e3da39babec88d8e557cc77888e60ee6344931c7a249cd2d6bda361ee9023a939fa98779340540fee5
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
chibuikelightwork1
Signatures
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UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
resource yara_rule behavioral2/memory/2980-0-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/2980-2-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/2980-3-0x0000000000400000-0x00000000004A4000-memory.dmp upx -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2920 wrote to memory of 2980 2920 invoice copy.pdf.exe 67 PID 2920 wrote to memory of 2980 2920 invoice copy.pdf.exe 67 PID 2920 wrote to memory of 2980 2920 invoice copy.pdf.exe 67 -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2920 invoice copy.pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2920 set thread context of 2980 2920 invoice copy.pdf.exe 67 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2980 invoice copy.pdf.exe -
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 behavior: EnumeratesProcesses 4 IoCs
pid Process 2920 invoice copy.pdf.exe 2920 invoice copy.pdf.exe 2980 invoice copy.pdf.exe 2980 invoice copy.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
PID:2920 -
C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:2980
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