Analysis
- max time kernel
42s - max time network
12s - platform
windows7_x64 - resource
win7v20201028 - submitted
09/11/2020, 19:57
Static task
static1
Behavioral task
behavioral1
Sample
invoice copy.pdf.exe
Resource
win7v20201028
0 signatures
0 seconds
General
- Target invoice copy.pdf.exe
- Size 677KB
- Sample201109-tre7c7clds
- SHA256 5d97739cc97650cf14df06ced175d0afd42d789b232bbbcaac1ca2b6eb65a99d
- MD5 b1727f06a7f1bb306f789023143aa236
- SHA1 4fa6c0fb732f4ba99b0353fbabaf15637584b50b
- SHA512 165a2362f63d57167a0ae317648a368aa1ca42b97f6887b3844339b311c637a4d1b3799d8e5408558fa01e4cdb70f8c91e0ba19b106fbd01bc8710be19539910
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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agenttesla
Credentials
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Protocol
smtp
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Host
smtp.yandex.ru
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Port
587
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Username
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Password
chibuikelightwork1
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
resource yara_rule behavioral1/memory/1956-3-0x0000000000400000-0x00000000004B1000-memory.dmp family_agenttesla behavioral1/memory/1956-4-0x0000000001D10000-0x0000000001D62000-memory.dmp family_agenttesla behavioral1/memory/1956-6-0x0000000000230000-0x000000000027C000-memory.dmp family_agenttesla -
resource yara_rule behavioral1/memory/1956-0-0x0000000000400000-0x00000000004B1000-memory.dmp upx behavioral1/memory/1956-2-0x0000000000400000-0x00000000004B1000-memory.dmp upx behavioral1/memory/1956-3-0x0000000000400000-0x00000000004B1000-memory.dmp upx - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1588 set thread context of 1956 1588 invoice copy.pdf.exe 26 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1588 invoice copy.pdf.exe 1956 invoice copy.pdf.exe 1956 invoice copy.pdf.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1588 invoice copy.pdf.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1956 invoice copy.pdf.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1588 wrote to memory of 1956 1588 invoice copy.pdf.exe 26 PID 1588 wrote to memory of 1956 1588 invoice copy.pdf.exe 26 PID 1588 wrote to memory of 1956 1588 invoice copy.pdf.exe 26 PID 1588 wrote to memory of 1956 1588 invoice copy.pdf.exe 26 PID 1956 wrote to memory of 1616 1956 invoice copy.pdf.exe 31 PID 1956 wrote to memory of 1616 1956 invoice copy.pdf.exe 31 PID 1956 wrote to memory of 1616 1956 invoice copy.pdf.exe 31 PID 1956 wrote to memory of 1616 1956 invoice copy.pdf.exe 31
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 SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1588 -
C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:1616
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