Analysis
-
max time kernel
166s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 23:30
Static task
static1
Behavioral task
behavioral1
Sample
Catalog.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Catalog.exe
Resource
win10v2004-20220414-en
General
-
Target
Catalog.exe
-
Size
432KB
-
MD5
7d7aae060d553d8ae3a48a6a1e7dbddb
-
SHA1
44ab5e2b2e0f870e592e7cb1026ba9cb2c2a451f
-
SHA256
2a2a628e23fa234e422aa5edcb6718f54e5caa2822ee10950a30619d9e9b0534
-
SHA512
7f7bfec03fa197ba78ab4b1f42090409224aede7abe321fac52f98207be7dfca46c32a8c081e0d84dfa91e93897c4adabc543c52cac61a352c98a3174f155b12
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
K$pbkEK0
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
K$pbkEK0
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1576-139-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Catalog.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation Catalog.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:
Catalog.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Catalog.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Catalog.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Catalog.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Catalog.exedescription pid process target process PID 2176 set thread context of 1576 2176 Catalog.exe Catalog.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 6 IoCs
Processes:
Catalog.exeCatalog.exepid process 2176 Catalog.exe 2176 Catalog.exe 2176 Catalog.exe 2176 Catalog.exe 1576 Catalog.exe 1576 Catalog.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Catalog.exeCatalog.exedescription pid process Token: SeDebugPrivilege 2176 Catalog.exe Token: SeDebugPrivilege 1576 Catalog.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Catalog.exepid process 1576 Catalog.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
Catalog.exedescription pid process target process PID 2176 wrote to memory of 5056 2176 Catalog.exe schtasks.exe PID 2176 wrote to memory of 5056 2176 Catalog.exe schtasks.exe PID 2176 wrote to memory of 5056 2176 Catalog.exe schtasks.exe PID 2176 wrote to memory of 4472 2176 Catalog.exe Catalog.exe PID 2176 wrote to memory of 4472 2176 Catalog.exe Catalog.exe PID 2176 wrote to memory of 4472 2176 Catalog.exe Catalog.exe PID 2176 wrote to memory of 2140 2176 Catalog.exe Catalog.exe PID 2176 wrote to memory of 2140 2176 Catalog.exe Catalog.exe PID 2176 wrote to memory of 2140 2176 Catalog.exe Catalog.exe PID 2176 wrote to memory of 1576 2176 Catalog.exe Catalog.exe PID 2176 wrote to memory of 1576 2176 Catalog.exe Catalog.exe PID 2176 wrote to memory of 1576 2176 Catalog.exe Catalog.exe PID 2176 wrote to memory of 1576 2176 Catalog.exe Catalog.exe PID 2176 wrote to memory of 1576 2176 Catalog.exe Catalog.exe PID 2176 wrote to memory of 1576 2176 Catalog.exe Catalog.exe PID 2176 wrote to memory of 1576 2176 Catalog.exe Catalog.exe PID 2176 wrote to memory of 1576 2176 Catalog.exe Catalog.exe -
outlook_office_path 1 IoCs
Processes:
Catalog.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Catalog.exe -
outlook_win_path 1 IoCs
Processes:
Catalog.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Catalog.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Catalog.exe"C:\Users\Admin\AppData\Local\Temp\Catalog.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eJVfFedO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp72AF.tmp"2⤵
- Creates scheduled task(s)
-
C:\Users\Admin\AppData\Local\Temp\Catalog.exe"{path}"2⤵
-
C:\Users\Admin\AppData\Local\Temp\Catalog.exe"{path}"2⤵
-
C:\Users\Admin\AppData\Local\Temp\Catalog.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Catalog.exe.logFilesize
507B
MD576ffb2f33cb32ade8fc862a67599e9d8
SHA1920cc4ab75b36d2f9f6e979b74db568973c49130
SHA256f1a3724670e3379318ec9c73f6f39058cab0ab013ba3cd90c047c3d701362310
SHA512f33502c2e1bb30c05359bfc6819ca934642a1e01874e3060349127d792694d56ad22fccd6c9477b8ee50d66db35785779324273f509576b48b7f85577e001b4e
-
C:\Users\Admin\AppData\Local\Temp\tmp72AF.tmpFilesize
1KB
MD57e506da2da4e169f4306d9ef3724d96f
SHA123ab85dca109ea384f8e4980e38c3f24a2475d19
SHA256bf995e2f03bae77afdcad37f8ff72ec73b78f70c9dc6a4daa4eca4dcbe28a729
SHA51253d206e5885dc603a6fea23111ace8bd97a2a4a1e5c577d09d62808657b5bdef7abedc600ec7244de4017cb355c6c10714b0c13f67e7b82ce803637cb0021065
-
memory/1576-138-0x0000000000000000-mapping.dmp
-
memory/1576-143-0x0000000001450000-0x000000000145A000-memory.dmpFilesize
40KB
-
memory/1576-142-0x0000000006AE0000-0x0000000006B30000-memory.dmpFilesize
320KB
-
memory/1576-141-0x00000000064B0000-0x0000000006516000-memory.dmpFilesize
408KB
-
memory/1576-139-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
-
memory/2140-137-0x0000000000000000-mapping.dmp
-
memory/2176-133-0x00000000053B0000-0x000000000544C000-memory.dmpFilesize
624KB
-
memory/2176-130-0x0000000000880000-0x00000000008F2000-memory.dmpFilesize
456KB
-
memory/2176-132-0x0000000005310000-0x00000000053A2000-memory.dmpFilesize
584KB
-
memory/2176-131-0x00000000058C0000-0x0000000005E64000-memory.dmpFilesize
5.6MB
-
memory/4472-136-0x0000000000000000-mapping.dmp
-
memory/5056-134-0x0000000000000000-mapping.dmp