Analysis
- max time kernel
116s - max time network
118s - platform
windows7_x64 - resource
win7v20201028 - submitted
09/11/2020, 19:52
Static task
static1
Behavioral task
behavioral1
Sample
INVOICE DOCUMENTS.pdf.exe
Resource
win7v20201028
0 signatures
0 seconds
General
- Target INVOICE DOCUMENTS.pdf.exe
- Size 775KB
- Sample201109-ff5lrjqs4j
- SHA256 e4e53abfcd6b06b7089669ff7aebaaefd84a1080b3c3a398a5836a41fde44513
- MD5 c8569aa189837fb21b4dbe2317940243
- SHA1 c06e023b0903783b433f97b1eb15f4dc54b12387
- SHA512 bc53f60f4853eb850ad71c684c85f159c68566cb85839ba9174a8c53b27486092c59de859b1e7cd90c8ac77d2ea151af9d0c304416971d31848e041cf635f81c
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
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/2024-3-0x0000000000400000-0x00000000004B1000-memory.dmp family_agenttesla behavioral1/memory/2024-4-0x00000000004C0000-0x0000000000512000-memory.dmp family_agenttesla behavioral1/memory/2024-6-0x0000000000320000-0x000000000036C000-memory.dmp family_agenttesla -
resource yara_rule behavioral1/memory/2024-0-0x0000000000400000-0x00000000004B1000-memory.dmp upx behavioral1/memory/2024-2-0x0000000000400000-0x00000000004B1000-memory.dmp upx behavioral1/memory/2024-3-0x0000000000400000-0x00000000004B1000-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 1080 set thread context of 2024 1080 INVOICE DOCUMENTS.pdf.exe 25 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1080 INVOICE DOCUMENTS.pdf.exe 2024 INVOICE DOCUMENTS.pdf.exe 2024 INVOICE DOCUMENTS.pdf.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1080 INVOICE DOCUMENTS.pdf.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2024 INVOICE DOCUMENTS.pdf.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1080 wrote to memory of 2024 1080 INVOICE DOCUMENTS.pdf.exe 25 PID 1080 wrote to memory of 2024 1080 INVOICE DOCUMENTS.pdf.exe 25 PID 1080 wrote to memory of 2024 1080 INVOICE DOCUMENTS.pdf.exe 25 PID 1080 wrote to memory of 2024 1080 INVOICE DOCUMENTS.pdf.exe 25 PID 2024 wrote to memory of 1108 2024 INVOICE DOCUMENTS.pdf.exe 31 PID 2024 wrote to memory of 1108 2024 INVOICE DOCUMENTS.pdf.exe 31 PID 2024 wrote to memory of 1108 2024 INVOICE DOCUMENTS.pdf.exe 31 PID 2024 wrote to memory of 1108 2024 INVOICE DOCUMENTS.pdf.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\INVOICE DOCUMENTS.pdf.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE DOCUMENTS.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1080 -
C:\Users\Admin\AppData\Local\Temp\INVOICE DOCUMENTS.pdf.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE DOCUMENTS.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:1108
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