Analysis
-
max time kernel
92s -
max time network
314s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
21-10-2021 04:08
Static task
static1
Behavioral task
behavioral1
Sample
PO15410.EXE
Resource
win10-en-20210920
General
-
Target
PO15410.EXE
-
Size
444KB
-
MD5
9b1519dc04911fd229573b20acad1983
-
SHA1
05e54448c5a980debe1f3b6478e3ff38b0abdaf9
-
SHA256
3c6e548734714e341da1909e80c49a7433955d630fc2eb4ddc9c1cd26d366c09
-
SHA512
0e7d57095af4af2b9ffbe7d94a33c346ea7da04a1df8300da2c9cd7661aeba77d91ba055f068ba75d2169fbf76a7c67cba728d5442aebc053c45bcea39a31a1b
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.tanzanitecoffee.co.tz - Port:
587 - Username:
info@tanzanitecoffee.co.tz - Password:
Tanzanitecoffee2018
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/3732-116-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/3732-117-0x000000000040188B-mapping.dmp family_agenttesla behavioral1/memory/3732-118-0x00000000009F0000-0x0000000000A27000-memory.dmp family_agenttesla behavioral1/memory/3732-122-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Loads dropped DLL 1 IoCs
Processes:
PO15410.EXEpid process 2132 PO15410.EXE -
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:
PO15410.EXEdescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO15410.EXE Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO15410.EXE Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO15410.EXE -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO15410.EXEdescription pid process target process PID 2132 set thread context of 3732 2132 PO15410.EXE PO15410.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
PO15410.EXEpid process 3732 PO15410.EXE 3732 PO15410.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
PO15410.EXEdescription pid process Token: SeDebugPrivilege 3732 PO15410.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
PO15410.EXEdescription pid process target process PID 2132 wrote to memory of 3732 2132 PO15410.EXE PO15410.EXE PID 2132 wrote to memory of 3732 2132 PO15410.EXE PO15410.EXE PID 2132 wrote to memory of 3732 2132 PO15410.EXE PO15410.EXE PID 2132 wrote to memory of 3732 2132 PO15410.EXE PO15410.EXE PID 2132 wrote to memory of 3732 2132 PO15410.EXE PO15410.EXE PID 2132 wrote to memory of 3732 2132 PO15410.EXE PO15410.EXE PID 2132 wrote to memory of 3732 2132 PO15410.EXE PO15410.EXE PID 2132 wrote to memory of 3732 2132 PO15410.EXE PO15410.EXE PID 2132 wrote to memory of 3732 2132 PO15410.EXE PO15410.EXE PID 2132 wrote to memory of 3732 2132 PO15410.EXE PO15410.EXE -
outlook_office_path 1 IoCs
Processes:
PO15410.EXEdescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO15410.EXE -
outlook_win_path 1 IoCs
Processes:
PO15410.EXEdescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO15410.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO15410.EXE"C:\Users\Admin\AppData\Local\Temp\PO15410.EXE"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PO15410.EXE"C:\Users\Admin\AppData\Local\Temp\PO15410.EXE"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
\Users\Admin\AppData\Local\Temp\nsbE08E.tmp\xtoboozpmf.dllMD5
f23b6a2bf1059f874ac2764883cabdb5
SHA1d36c4b7a5a7daf33d98fdacd24fa4e070b738610
SHA256e25f8dfba5d8f067cac8a03e0fcd19371baa2b0f9d94faca758565b4d9015a89
SHA512f14ffb67fd1bf3705ef0d511f8261e86247322ca06726a60b513ef257e838dad27b29f1758c02a32228f01a6b2eeb7617d70ad1d7472b9c3a260d78c00bf8e55
-
memory/3732-116-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
-
memory/3732-117-0x000000000040188B-mapping.dmp
-
memory/3732-118-0x00000000009F0000-0x0000000000A27000-memory.dmpFilesize
220KB
-
memory/3732-120-0x0000000004960000-0x0000000004961000-memory.dmpFilesize
4KB
-
memory/3732-121-0x0000000004F20000-0x0000000004F21000-memory.dmpFilesize
4KB
-
memory/3732-123-0x0000000004950000-0x0000000004951000-memory.dmpFilesize
4KB
-
memory/3732-122-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
-
memory/3732-124-0x0000000004952000-0x0000000004953000-memory.dmpFilesize
4KB
-
memory/3732-125-0x0000000004953000-0x0000000004954000-memory.dmpFilesize
4KB
-
memory/3732-126-0x0000000004954000-0x0000000004955000-memory.dmpFilesize
4KB
-
memory/3732-127-0x00000000057B0000-0x00000000057B1000-memory.dmpFilesize
4KB
-
memory/3732-128-0x00000000057E0000-0x00000000057E1000-memory.dmpFilesize
4KB
-
memory/3732-129-0x0000000000690000-0x0000000000691000-memory.dmpFilesize
4KB
-
memory/3732-130-0x0000000000740000-0x0000000000741000-memory.dmpFilesize
4KB