Analysis
-
max time kernel
129s -
max time network
123s -
platform
windows10_x64 -
resource
win10-en-20211104 -
submitted
02-12-2021 06:48
Static task
static1
Behavioral task
behavioral1
Sample
TT swift copy.exe
Resource
win7-en-20211104
Behavioral task
behavioral2
Sample
TT swift copy.exe
Resource
win10-en-20211104
General
-
Target
TT swift copy.exe
-
Size
568KB
-
MD5
0335051e4313ffe85a082aea05e99220
-
SHA1
456db1c86a0298041657086fa50aea8e4a61f805
-
SHA256
20eeb51aa83842c159a0bd254fe994a9cc4bfd39a4b9e5135cdd1d7d5610055e
-
SHA512
b24f903825343a6344f36de795f3f353d22e8f549dafae1d7cc4178c8f5a28fd7c45429f083da70e584d99bcff75bc12c7463c1726a8ced32bb500e69a7b3bc2
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.gcsenagency.com - Port:
587 - Username:
[email protected] - Password:
supt@3081#
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1888-131-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/1888-132-0x00000000004375DE-mapping.dmp family_agenttesla behavioral2/memory/1888-138-0x0000000005440000-0x000000000593E000-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:
TT swift copy.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TT swift copy.exe Key opened \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TT swift copy.exe Key opened \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TT swift copy.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
TT swift copy.exedescription pid process target process PID 3560 set thread context of 1888 3560 TT swift copy.exe TT swift copy.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
TT swift copy.exeTT swift copy.exepid process 3560 TT swift copy.exe 1888 TT swift copy.exe 1888 TT swift copy.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
TT swift copy.exeTT swift copy.exedescription pid process Token: SeDebugPrivilege 3560 TT swift copy.exe Token: SeDebugPrivilege 1888 TT swift copy.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
TT swift copy.exedescription pid process target process PID 3560 wrote to memory of 404 3560 TT swift copy.exe schtasks.exe PID 3560 wrote to memory of 404 3560 TT swift copy.exe schtasks.exe PID 3560 wrote to memory of 404 3560 TT swift copy.exe schtasks.exe PID 3560 wrote to memory of 1888 3560 TT swift copy.exe TT swift copy.exe PID 3560 wrote to memory of 1888 3560 TT swift copy.exe TT swift copy.exe PID 3560 wrote to memory of 1888 3560 TT swift copy.exe TT swift copy.exe PID 3560 wrote to memory of 1888 3560 TT swift copy.exe TT swift copy.exe PID 3560 wrote to memory of 1888 3560 TT swift copy.exe TT swift copy.exe PID 3560 wrote to memory of 1888 3560 TT swift copy.exe TT swift copy.exe PID 3560 wrote to memory of 1888 3560 TT swift copy.exe TT swift copy.exe PID 3560 wrote to memory of 1888 3560 TT swift copy.exe TT swift copy.exe -
outlook_office_path 1 IoCs
Processes:
TT swift copy.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TT swift copy.exe -
outlook_win_path 1 IoCs
Processes:
TT swift copy.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TT swift copy.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\TT swift copy.exe"C:\Users\Admin\AppData\Local\Temp\TT swift copy.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3560 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IiIPuXCjRrkkV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3B6F.tmp"2⤵
- Creates scheduled task(s)
PID:404
-
-
C:\Users\Admin\AppData\Local\Temp\TT swift copy.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1888
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
MD5
90acfd72f14a512712b1a7380c0faf60
SHA140ba4accb8faa75887e84fb8e38d598dc8cf0f12
SHA25620806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86
SHA51229dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9
-
MD5
54980cb2e35493ab85ab9e7c25ee58ca
SHA1eadb301b2328c14850de30fdc012540313fa1acf
SHA256b8434b24b830db51f4abe0fc040de94eaf8fbdbb3bf53fdf581ebdf2ae2b0337
SHA51236d6346b1d1bddcf670543d4888f30f6c9f736e4fb93d5802720001f561e28fd46c10d1e2317a73c00ec136b62d05b7bc20683ae9d32cbc94bdc2c95154affb8