Analysis
- max time kernel
42s - max time network
9s - platform
windows7_x64 - resource
win7v20201028 - submitted
09/11/2020, 19:48
Static task
static1
Behavioral task
behavioral1
Sample
PO copy.pdf.exe
Resource
win7v20201028
0 signatures
0 seconds
General
- Target PO copy.pdf.exe
- Size 655KB
- Sample201109-zbhl22edqs
- SHA256 6519dfe26997fc43ff02521a72567a3477dfcee8dbdfeaf35253b30cb07d12af
- MD5 ab2ea9050e15c1b1c7a7c71cb65fd0de
- SHA1 4e1ec9b1fea5c3b578fa1819facf11651778f3d8
- SHA512 0c80b4ebdbbccac6ff028971d2bb8dc905e8b33a177e2446e172474d18127da2dfe52d594fee6914b5bc504b3ef812234fde83fdcd5a47e89dea239c1d88e00f
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
smtp.yandex.ru
-
Port
587
-
Username
-
Password
chibuikelightwork1
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1380-1-0x00000000004AEFA0-mapping.dmp family_agenttesla behavioral1/memory/1380-4-0x0000000000400000-0x00000000004B1000-memory.dmp family_agenttesla behavioral1/memory/1380-5-0x0000000000310000-0x0000000000362000-memory.dmp family_agenttesla behavioral1/memory/1380-7-0x0000000000220000-0x000000000026C000-memory.dmp family_agenttesla -
resource yara_rule behavioral1/memory/1380-0-0x0000000000400000-0x00000000004B1000-memory.dmp upx behavioral1/memory/1380-3-0x0000000000400000-0x00000000004B1000-memory.dmp upx behavioral1/memory/1380-4-0x0000000000400000-0x00000000004B1000-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 1900 set thread context of 1380 1900 PO copy.pdf.exe 26 - Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 1900 PO copy.pdf.exe 1376 PO copy.pdf.exe 1376 PO copy.pdf.exe 1376 PO copy.pdf.exe 1376 PO copy.pdf.exe 1376 PO copy.pdf.exe 1376 PO copy.pdf.exe 1380 PO copy.pdf.exe 1380 PO copy.pdf.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1900 PO copy.pdf.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1380 PO copy.pdf.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1900 wrote to memory of 1380 1900 PO copy.pdf.exe 26 PID 1900 wrote to memory of 1380 1900 PO copy.pdf.exe 26 PID 1900 wrote to memory of 1380 1900 PO copy.pdf.exe 26 PID 1900 wrote to memory of 1380 1900 PO copy.pdf.exe 26 PID 1900 wrote to memory of 1376 1900 PO copy.pdf.exe 27 PID 1900 wrote to memory of 1376 1900 PO copy.pdf.exe 27 PID 1900 wrote to memory of 1376 1900 PO copy.pdf.exe 27 PID 1900 wrote to memory of 1376 1900 PO copy.pdf.exe 27 PID 1380 wrote to memory of 440 1380 PO copy.pdf.exe 32 PID 1380 wrote to memory of 440 1380 PO copy.pdf.exe 32 PID 1380 wrote to memory of 440 1380 PO copy.pdf.exe 32 PID 1380 wrote to memory of 440 1380 PO copy.pdf.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\PO copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO copy.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Users\Admin\AppData\Local\Temp\PO copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO copy.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:440
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-
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C:\Users\Admin\AppData\Local\Temp\PO copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO copy.pdf.exe" 2 1380 2592616182⤵
- Suspicious behavior: EnumeratesProcesses
PID:1376
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