Analysis
- max time kernel
92s - max time network
124s - platform
windows10_x64 - resource
win10v20201028 - submitted
13/11/2020, 06:59
Static task
static1
Behavioral task
behavioral1
Sample
Specifications_pdf.exe
Resource
win7v20201028
0 signatures
0 seconds
General
- Target Specifications_pdf.exe
- Size 758KB
- Sample201113-agpyebw95e
- SHA256 1b309fba5ed6a5cca9df11aa42633e07a7c64d3b4474849a0ede645dde5c0a50
- MD5 b16281b993b722004bd111e7630bfe41
- SHA1 9a4f5d62350cffa4e80bc2686bfac6f61c4ce5d6
- SHA512 c55fe674e8339976367704cf1debbb10a8115114ce49d3a0582480fc6264e924e57cfe719b4e27e0658c0a043e88caf0205c9776db7e26b720cc153ea4afbcd8
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.ilkimegitim.com
-
Port
587
-
Username
-
Password
Savas581
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
resource yara_rule behavioral2/memory/5100-2-0x0000000000483F50-mapping.dmp family_agenttesla behavioral2/memory/5100-5-0x0000000000400000-0x0000000000486000-memory.dmp family_agenttesla behavioral2/memory/5100-7-0x0000000002160000-0x000000000219C000-memory.dmp family_agenttesla -
resource yara_rule behavioral2/memory/5100-1-0x0000000000400000-0x0000000000486000-memory.dmp upx behavioral2/memory/5100-4-0x0000000000400000-0x0000000000486000-memory.dmp upx behavioral2/memory/5100-5-0x0000000000400000-0x0000000000486000-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.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 20 api.ipify.org 21 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4680 set thread context of 5100 4680 Specifications_pdf.exe 73 - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4680 Specifications_pdf.exe 4680 Specifications_pdf.exe 4108 Specifications_pdf.exe 4108 Specifications_pdf.exe 4108 Specifications_pdf.exe 4108 Specifications_pdf.exe 4108 Specifications_pdf.exe 4108 Specifications_pdf.exe 4108 Specifications_pdf.exe 4108 Specifications_pdf.exe 4108 Specifications_pdf.exe 4108 Specifications_pdf.exe 4108 Specifications_pdf.exe 4108 Specifications_pdf.exe 4108 Specifications_pdf.exe 4108 Specifications_pdf.exe 5100 Specifications_pdf.exe 5100 Specifications_pdf.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4680 Specifications_pdf.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5100 Specifications_pdf.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4680 wrote to memory of 5100 4680 Specifications_pdf.exe 73 PID 4680 wrote to memory of 5100 4680 Specifications_pdf.exe 73 PID 4680 wrote to memory of 5100 4680 Specifications_pdf.exe 73 PID 4680 wrote to memory of 4108 4680 Specifications_pdf.exe 74 PID 4680 wrote to memory of 4108 4680 Specifications_pdf.exe 74 PID 4680 wrote to memory of 4108 4680 Specifications_pdf.exe 74
Processes
-
C:\Users\Admin\AppData\Local\Temp\Specifications_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Specifications_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4680 -
C:\Users\Admin\AppData\Local\Temp\Specifications_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Specifications_pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5100
-
-
C:\Users\Admin\AppData\Local\Temp\Specifications_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Specifications_pdf.exe" 2 5100 2592725002⤵
- Suspicious behavior: EnumeratesProcesses
PID:4108
-