Analysis
- max time kernel
149s - max time network
150s - platform
windows10_x64 - resource
win10v20201028 - submitted
19/02/2021, 06:38
General
- Target SHED.EXE
- Size 295KB
- Sample210219-yarr21fl1a
- SHA256 ad855c55e13ef5274a20805a3836b508c29cae12d0a2de2807aed08ed4090ddd
Malware Config
Extracted
-
formbook
-
http://www.theunioncigar.com/r8pp/
-
ishqjewelery.com
-
gfshanta.xyz
-
koolbreath.info
-
ukarchitecturalglazing.com
-
safwewds.com
-
padshows.net
-
shynebrightrentals.com
-
gemstonewiz.net
-
anteplizade.com
-
garbagetrucksrule.com
-
mybeautifulplanetblog.com
-
princessi.com
-
beautyld.com
-
arrival-globe.com
-
peach-sandbox.finance
-
epsb2b.com
-
tomp3d.net
-
bostonm.info
-
inflectionadvice.com
-
servicesguidedata.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 2 IoCs
- Loads dropped DLL 2 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SHED.EXE"C:\Users\Admin\AppData\Local\Temp\SHED.EXE"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SHED.EXE"C:\Users\Admin\AppData\Local\Temp\SHED.EXE"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SysWOW64\NETSTAT.EXE"C:\Windows\SysWOW64\NETSTAT.EXE"2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- 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\SHED.EXE"3⤵
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2840-6-0x0000000000AF0000-0x0000000000E10000-memory.dmp
memory/2840-5-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2840-7-0x00000000005A0000-0x00000000005B0000-memory.dmp
memory/2876-8-0x0000000005160000-0x00000000052F3000-memory.dmp
memory/2876-15-0x0000000002A40000-0x0000000002B31000-memory.dmp
memory/3196-11-0x0000000000940000-0x0000000000968000-memory.dmp
memory/3196-10-0x0000000001310000-0x000000000131B000-memory.dmp
memory/3196-13-0x0000000003320000-0x0000000003640000-memory.dmp
memory/3196-14-0x0000000001080000-0x000000000110F000-memory.dmp