Analysis
- max time kernel
150s - max time network
24s - platform
windows7_x64 - resource
win7 - submitted
11/07/2020, 16:53
Static task
static1
Behavioral task
behavioral1
Sample
Remittance Advice 001-ADEG001pdf.exe
Resource
win7
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Remittance Advice 001-ADEG001pdf.exe
Resource
win10v200430
windows10_x64
0 signatures
0 seconds
General
- Target Remittance Advice 001-ADEG001pdf.exe
- Size 1.0MB
- Sample200711-dv7hm5ndt6
- SHA256 1095767d566c69cb1b2b6c80eef101d62dc9736e3ef294b43fc23f3d0378ea60
- MD5 9001a87083fbb220841ba6e7d03008e0
- SHA1 dfbb86ff5c1d83decd1850c622c512f14c9bf2d2
- SHA512 dbbd331fcde2034b8223ea9842a95bcb9b847d3c67e588ac544663bc788303124c32374a2e5a8db3845e6bfe4b044fda32017866e9f1d54feda3e967562e2ab7
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
999999xxxsss011x1
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1492-9-0x00000000003E0000-0x0000000000ABA000-memory.dmp family_agenttesla behavioral1/memory/1492-10-0x0000000000427A7E-mapping.dmp family_agenttesla behavioral1/memory/1492-12-0x00000000003E0000-0x0000000000ABA000-memory.dmp family_agenttesla behavioral1/memory/1492-13-0x00000000003E0000-0x0000000000ABA000-memory.dmp family_agenttesla - Executes dropped EXE 2 IoCs
pid Process 1068 dtcqsj.pif 1492 RegSvcs.exe - Loads dropped DLL 5 IoCs
pid Process 1116 Remittance Advice 001-ADEG001pdf.exe 1116 Remittance Advice 001-ADEG001pdf.exe 1116 Remittance Advice 001-ADEG001pdf.exe 1116 Remittance Advice 001-ADEG001pdf.exe 1068 dtcqsj.pif - 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.
- Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run dtcqsj.pif Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\winlogon.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\51308355\\dtcqsj.pif C:\\Users\\Admin\\AppData\\Local\\Temp\\51308355\\LUVKGV~1.NJP" dtcqsj.pif - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1068 set thread context of 1492 1068 dtcqsj.pif 25 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1492 RegSvcs.exe 1492 RegSvcs.exe 1492 RegSvcs.exe 1492 RegSvcs.exe 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1492 RegSvcs.exe 1492 RegSvcs.exe 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif 1068 dtcqsj.pif - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1492 RegSvcs.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1492 RegSvcs.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1116 wrote to memory of 1068 1116 Remittance Advice 001-ADEG001pdf.exe 24 PID 1116 wrote to memory of 1068 1116 Remittance Advice 001-ADEG001pdf.exe 24 PID 1116 wrote to memory of 1068 1116 Remittance Advice 001-ADEG001pdf.exe 24 PID 1116 wrote to memory of 1068 1116 Remittance Advice 001-ADEG001pdf.exe 24 PID 1068 wrote to memory of 1492 1068 dtcqsj.pif 25 PID 1068 wrote to memory of 1492 1068 dtcqsj.pif 25 PID 1068 wrote to memory of 1492 1068 dtcqsj.pif 25 PID 1068 wrote to memory of 1492 1068 dtcqsj.pif 25 PID 1068 wrote to memory of 1492 1068 dtcqsj.pif 25 PID 1068 wrote to memory of 1492 1068 dtcqsj.pif 25 PID 1068 wrote to memory of 1492 1068 dtcqsj.pif 25 PID 1068 wrote to memory of 1492 1068 dtcqsj.pif 25 PID 1068 wrote to memory of 1492 1068 dtcqsj.pif 25
Processes
-
C:\Users\Admin\AppData\Local\Temp\Remittance Advice 001-ADEG001pdf.exe"C:\Users\Admin\AppData\Local\Temp\Remittance Advice 001-ADEG001pdf.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1116 -
C:\Users\Admin\AppData\Local\Temp\51308355\dtcqsj.pif"C:\Users\Admin\AppData\Local\Temp\51308355\dtcqsj.pif" luvkgvlmt.njp2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1068 -
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1492
-
-