Analysis
- max time kernel
148s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
21/04/2022, 08:49
General
- Target ea0a94617548200ae45ca29bf84a0985.exe
- Size 563KB
- Sample220421-kq1saaaebk
- SHA256 68bdffe460b6b63619a94c667eed5e81ec779aa96edc78ecfdc7bd232ff37e98
Malware Config
Extracted
-
xloader
-
2.5
-
c0a7
-
nielsqanalytics.net
-
mmgaleria.com
-
rejection.xyz
-
lehome.store
-
dijaminoriginal.online
-
matthewwickersham.com
-
maanetv.com
-
instantsave.net
-
888dj8v.com
-
behere.xyz
-
deeperthanmotivation.com
-
shoponly7seconds.com
-
bohemiabougies.com
-
cyrusthegreatbarber.com
-
liftizy.com
-
kcarats.com
-
egremlinart.com
-
karbonkorea.com
-
syedaakanwal.xyz
-
campikitai.today
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- Xloader Payload 3 IoCs
- Blocklisted process makes network request 2 IoCs
- Executes dropped EXE 2 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 60 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ea0a94617548200ae45ca29bf84a0985.exe"C:\Users\Admin\AppData\Local\Temp\ea0a94617548200ae45ca29bf84a0985.exe"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\yvyhb.exeC:\Users\Admin\AppData\Local\Temp\yvyhb.exe C:\Users\Admin\AppData\Local\Temp\skxqmsxrld3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\yvyhb.exeC:\Users\Admin\AppData\Local\Temp\yvyhb.exe C:\Users\Admin\AppData\Local\Temp\skxqmsxrld4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
-
-
-
-
C:\Windows\SysWOW64\cscript.exe"C:\Windows\SysWOW64\cscript.exe"2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\yvyhb.exe"3⤵
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
skxqmsxrld
udscg9ur75s3w9u5y
yvyhb.exe
yvyhb.exe
yvyhb.exe
memory/2576-141-0x0000000002DF0000-0x0000000002F24000-memory.dmp
memory/2576-151-0x0000000008690000-0x00000000087F6000-memory.dmp
memory/2576-144-0x00000000085D0000-0x0000000008688000-memory.dmp
memory/5064-147-0x0000000000600000-0x0000000000627000-memory.dmp
memory/5064-148-0x0000000000B20000-0x0000000000B49000-memory.dmp
memory/5064-149-0x0000000002B00000-0x0000000002E4A000-memory.dmp
memory/5064-150-0x00000000029A0000-0x0000000002A30000-memory.dmp
memory/5104-140-0x00000000009E0000-0x00000000009F1000-memory.dmp
memory/5104-139-0x0000000000A00000-0x0000000000D4A000-memory.dmp
memory/5104-142-0x0000000000400000-0x0000000000429000-memory.dmp
memory/5104-143-0x0000000000EC0000-0x0000000000ED1000-memory.dmp
memory/5104-136-0x0000000000400000-0x0000000000429000-memory.dmp