Analysis
-
max time kernel
141s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
29-11-2022 11:52
Static task
static1
Behavioral task
behavioral1
Sample
csrss.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
csrss.exe
Resource
win10v2004-20220812-en
General
-
Target
csrss.exe
-
Size
820KB
-
MD5
aa6e6f56b59e2f0c00266386a2962103
-
SHA1
10bea556ef1f4a8957b661c8e80e4a157fac81e1
-
SHA256
062841c1e780acd00ef44b49f93e2c82189e1411e735c8da63782f8ae6159405
-
SHA512
beaaed1877915b03577514c006650af75ee382e39eb08c282678d086aadbdbac851ebee226aa301dc59f7e9ead34d0871dc30094126769cccc48ddca9a77cf2a
-
SSDEEP
12288:W5gqU+5P36xTXLXV2CtWuTwG8hk5AkIW6PDWyA4l1Ddzoa1cfN:OJP23F2CQ93umD2KDdEPf
Malware Config
Extracted
lokibot
http://208.67.105.161/gk2/five/fre.php
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php
Signatures
-
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:
csrss.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook csrss.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook csrss.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook csrss.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
csrss.exedescription pid process target process PID 880 set thread context of 3080 880 csrss.exe csrss.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
csrss.exepid process 3080 csrss.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
csrss.exedescription pid process Token: SeDebugPrivilege 3080 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
csrss.exedescription pid process target process PID 880 wrote to memory of 3080 880 csrss.exe csrss.exe PID 880 wrote to memory of 3080 880 csrss.exe csrss.exe PID 880 wrote to memory of 3080 880 csrss.exe csrss.exe PID 880 wrote to memory of 3080 880 csrss.exe csrss.exe PID 880 wrote to memory of 3080 880 csrss.exe csrss.exe PID 880 wrote to memory of 3080 880 csrss.exe csrss.exe PID 880 wrote to memory of 3080 880 csrss.exe csrss.exe PID 880 wrote to memory of 3080 880 csrss.exe csrss.exe PID 880 wrote to memory of 3080 880 csrss.exe csrss.exe -
outlook_office_path 1 IoCs
Processes:
csrss.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook csrss.exe -
outlook_win_path 1 IoCs
Processes:
csrss.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook csrss.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\csrss.exe"C:\Users\Admin\AppData\Local\Temp\csrss.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\csrss.exe"C:\Users\Admin\AppData\Local\Temp\csrss.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/880-132-0x00000000002D0000-0x00000000003A4000-memory.dmpFilesize
848KB
-
memory/880-133-0x00000000059B0000-0x0000000005F54000-memory.dmpFilesize
5.6MB
-
memory/880-134-0x00000000054A0000-0x0000000005532000-memory.dmpFilesize
584KB
-
memory/880-135-0x0000000005450000-0x000000000545A000-memory.dmpFilesize
40KB
-
memory/880-136-0x0000000008000000-0x000000000809C000-memory.dmpFilesize
624KB
-
memory/3080-137-0x0000000000000000-mapping.dmp
-
memory/3080-138-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
-
memory/3080-140-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
-
memory/3080-141-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
-
memory/3080-142-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB