Analysis
-
max time kernel
131s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 02:28
Static task
static1
Behavioral task
behavioral1
Sample
RFQ_C73639811.PDF.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
RFQ_C73639811.PDF.exe
Resource
win10v2004-20220414-en
General
-
Target
RFQ_C73639811.PDF.exe
-
Size
436KB
-
MD5
6f5505f192e637d38811991f4f62b81a
-
SHA1
055e0e03018b75b39a551b754f4eaad8067e6481
-
SHA256
d872c84aaa87d90521400f1d6052524e0d2256b3d865aeaad679beea3919a49e
-
SHA512
82adeb010bdd3674b77bc930b7608e2bdc50a14309b42ea91c57f91225173cf23e417af50525ee40f720e025ad3ff68e3025a23c163e284eef33badc230a1017
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.cdldxy-cn.com - Port:
587 - Username:
[email protected] - Password:
SSzps(s5
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1456-59-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1456-60-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1456-61-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1456-62-0x000000000044CC4E-mapping.dmp family_agenttesla behavioral1/memory/1456-64-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1456-66-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
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.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RFQ_C73639811.PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ_C73639811.PDF.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ_C73639811.PDF.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ_C73639811.PDF.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
RFQ_C73639811.PDF.exedescription pid process target process PID 884 set thread context of 1456 884 RFQ_C73639811.PDF.exe RFQ_C73639811.PDF.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RFQ_C73639811.PDF.exepid process 1456 RFQ_C73639811.PDF.exe 1456 RFQ_C73639811.PDF.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RFQ_C73639811.PDF.exedescription pid process Token: SeDebugPrivilege 1456 RFQ_C73639811.PDF.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
RFQ_C73639811.PDF.exeRFQ_C73639811.PDF.exedescription pid process target process PID 884 wrote to memory of 1456 884 RFQ_C73639811.PDF.exe RFQ_C73639811.PDF.exe PID 884 wrote to memory of 1456 884 RFQ_C73639811.PDF.exe RFQ_C73639811.PDF.exe PID 884 wrote to memory of 1456 884 RFQ_C73639811.PDF.exe RFQ_C73639811.PDF.exe PID 884 wrote to memory of 1456 884 RFQ_C73639811.PDF.exe RFQ_C73639811.PDF.exe PID 884 wrote to memory of 1456 884 RFQ_C73639811.PDF.exe RFQ_C73639811.PDF.exe PID 884 wrote to memory of 1456 884 RFQ_C73639811.PDF.exe RFQ_C73639811.PDF.exe PID 884 wrote to memory of 1456 884 RFQ_C73639811.PDF.exe RFQ_C73639811.PDF.exe PID 884 wrote to memory of 1456 884 RFQ_C73639811.PDF.exe RFQ_C73639811.PDF.exe PID 884 wrote to memory of 1456 884 RFQ_C73639811.PDF.exe RFQ_C73639811.PDF.exe PID 1456 wrote to memory of 1316 1456 RFQ_C73639811.PDF.exe netsh.exe PID 1456 wrote to memory of 1316 1456 RFQ_C73639811.PDF.exe netsh.exe PID 1456 wrote to memory of 1316 1456 RFQ_C73639811.PDF.exe netsh.exe PID 1456 wrote to memory of 1316 1456 RFQ_C73639811.PDF.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
RFQ_C73639811.PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ_C73639811.PDF.exe -
outlook_win_path 1 IoCs
Processes:
RFQ_C73639811.PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ_C73639811.PDF.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ_C73639811.PDF.exe"C:\Users\Admin\AppData\Local\Temp\RFQ_C73639811.PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\RFQ_C73639811.PDF.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
-
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/884-54-0x00000000763B1000-0x00000000763B3000-memory.dmpFilesize
8KB
-
memory/884-55-0x0000000074FF0000-0x000000007559B000-memory.dmpFilesize
5.7MB
-
memory/1316-69-0x0000000000000000-mapping.dmp
-
memory/1456-56-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1456-57-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1456-59-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1456-60-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1456-61-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1456-62-0x000000000044CC4E-mapping.dmp
-
memory/1456-64-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1456-66-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1456-68-0x0000000074FF0000-0x000000007559B000-memory.dmpFilesize
5.7MB