Analysis
- max time kernel
148s - max time network
162s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
31/10/2021, 19:27
General
- Target Invoice #00442811-20211029i.pif.exe
- Size 410KB
- Sample211031-x53xeadbfl
- SHA256 ca205b38e2ee729d40141563bbb4200970224f4e00b380d5108a3ae51fb7eada
Malware Config
Extracted
-
xloader
-
2.5
-
b4a0
-
http://www.gurustips.com/b4a0/
-
robotescort.xyz
-
palisadesvacationtravels.com
-
paramars.com
-
majorelectricalwork.com
-
epmbrandswatches.com
-
hbiq.lgbt
-
indigobunk.com
-
matthewkwells.store
-
service-prosto.online
-
independencehomecenters.com
-
ganmovie.com
-
ikigaicornerstore.com
-
bingojx.com
-
itslunavalentina.com
-
xmzhiqiu.com
-
wkcr.com
-
doorandknock.com
-
894uc.com
-
laurennicholscoaching.com
-
apiorganik.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Xloader Payload 3 IoCs
- Looks for VMWare Tools registry key 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 3 IoCs
- 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 50 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Invoice #00442811-20211029i.pif.exe"C:\Users\Admin\AppData\Local\Temp\Invoice #00442811-20211029i.pif.exe"2⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Invoice #00442811-20211029i.pif.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hTHQgT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8401.tmp"3⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Invoice #00442811-20211029i.pif.exe"C:\Users\Admin\AppData\Local\Temp\Invoice #00442811-20211029i.pif.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SysWOW64\raserver.exe"C:\Windows\SysWOW64\raserver.exe"2⤵
- 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\Invoice #00442811-20211029i.pif.exe"3⤵
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1856-271-0x0000000000D50000-0x0000000000D6F000-memory.dmp
memory/1856-275-0x0000000004B40000-0x0000000004E60000-memory.dmp
memory/1856-387-0x00000000048C0000-0x0000000004950000-memory.dmp
memory/1856-273-0x0000000000990000-0x00000000009B9000-memory.dmp
memory/2136-134-0x0000000000400000-0x0000000000429000-memory.dmp
memory/2136-146-0x00000000019D0000-0x00000000019E1000-memory.dmp
memory/2136-145-0x0000000001540000-0x0000000001860000-memory.dmp
memory/2512-119-0x0000000004F00000-0x0000000004F01000-memory.dmp
memory/2512-117-0x0000000005450000-0x0000000005451000-memory.dmp
memory/2512-115-0x0000000000670000-0x0000000000671000-memory.dmp
memory/2512-123-0x0000000007630000-0x000000000767B000-memory.dmp
memory/2512-122-0x0000000007680000-0x0000000007681000-memory.dmp
memory/2512-121-0x0000000004F30000-0x0000000004F31000-memory.dmp
memory/2512-120-0x0000000005390000-0x0000000005396000-memory.dmp
memory/2512-125-0x0000000007A80000-0x0000000007A81000-memory.dmp
memory/2512-118-0x0000000004FF0000-0x0000000004FF1000-memory.dmp
memory/2688-137-0x00000000079B0000-0x00000000079B1000-memory.dmp
memory/2688-160-0x0000000009110000-0x0000000009111000-memory.dmp
memory/2688-138-0x0000000007F30000-0x0000000007F31000-memory.dmp
memory/2688-139-0x0000000004830000-0x0000000004831000-memory.dmp
memory/2688-140-0x0000000004832000-0x0000000004833000-memory.dmp
memory/2688-141-0x00000000081F0000-0x00000000081F1000-memory.dmp
memory/2688-143-0x0000000000E50000-0x0000000000E51000-memory.dmp
memory/2688-131-0x0000000007900000-0x0000000007901000-memory.dmp
memory/2688-126-0x0000000000E50000-0x0000000000E51000-memory.dmp
memory/2688-153-0x0000000009150000-0x0000000009183000-memory.dmp
memory/2688-135-0x0000000007B80000-0x0000000007B81000-memory.dmp
memory/2688-165-0x0000000009280000-0x0000000009281000-memory.dmp
memory/2688-166-0x0000000009460000-0x0000000009461000-memory.dmp
memory/2688-167-0x000000007E960000-0x000000007E961000-memory.dmp
memory/2688-168-0x0000000004833000-0x0000000004834000-memory.dmp
memory/2688-130-0x0000000007070000-0x0000000007071000-memory.dmp
memory/2688-129-0x00000000071F0000-0x00000000071F1000-memory.dmp
memory/2688-128-0x00000000046A0000-0x00000000046A1000-memory.dmp
memory/2688-127-0x0000000000E50000-0x0000000000E51000-memory.dmp
memory/3040-147-0x0000000004E90000-0x0000000004FFF000-memory.dmp
memory/3040-388-0x0000000002620000-0x00000000026F8000-memory.dmp