Analysis
-
max time kernel
60s -
max time network
105s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
24-06-2021 10:14
Static task
static1
Behavioral task
behavioral1
Sample
gunzipped.exe
Resource
win7v20210410
General
-
Target
gunzipped.exe
-
Size
1.1MB
-
MD5
42b6dbac1e076157112bfe9cab5eb637
-
SHA1
7579e290775b3ae1596ceae78ec06cd89d025019
-
SHA256
02dc856782b81740e20d02be3a51f9a20ef512c29077d6654ee0a6c1fc65c703
-
SHA512
280e980f95c27fcb1033d2124e5df241aab83953b17f0486e85d5e8ca691c603c8f53cf23d164c4c6b3d98b30f6ea7966c9117466bb2a56c047392c07b1d8fc0
Malware Config
Extracted
lokibot
http://63.141.228.141/32.php/DEuZ9gRuoeHIN
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
-
Looks for VirtualBox Guest Additions in registry 2 TTPs
-
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.
Processes:
gunzipped.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion gunzipped.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion gunzipped.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
gunzipped.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum gunzipped.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 gunzipped.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
gunzipped.exedescription pid process target process PID 1776 set thread context of 1252 1776 gunzipped.exe gunzipped.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 852 powershell.exe 852 powershell.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
gunzipped.exepid process 1252 gunzipped.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exegunzipped.exedescription pid process Token: SeDebugPrivilege 852 powershell.exe Token: SeDebugPrivilege 1252 gunzipped.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
gunzipped.exedescription pid process target process PID 1776 wrote to memory of 852 1776 gunzipped.exe powershell.exe PID 1776 wrote to memory of 852 1776 gunzipped.exe powershell.exe PID 1776 wrote to memory of 852 1776 gunzipped.exe powershell.exe PID 1776 wrote to memory of 852 1776 gunzipped.exe powershell.exe PID 1776 wrote to memory of 1252 1776 gunzipped.exe gunzipped.exe PID 1776 wrote to memory of 1252 1776 gunzipped.exe gunzipped.exe PID 1776 wrote to memory of 1252 1776 gunzipped.exe gunzipped.exe PID 1776 wrote to memory of 1252 1776 gunzipped.exe gunzipped.exe PID 1776 wrote to memory of 1252 1776 gunzipped.exe gunzipped.exe PID 1776 wrote to memory of 1252 1776 gunzipped.exe gunzipped.exe PID 1776 wrote to memory of 1252 1776 gunzipped.exe gunzipped.exe PID 1776 wrote to memory of 1252 1776 gunzipped.exe gunzipped.exe PID 1776 wrote to memory of 1252 1776 gunzipped.exe gunzipped.exe PID 1776 wrote to memory of 1252 1776 gunzipped.exe gunzipped.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- 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\gunzipped.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"2⤵
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/852-73-0x0000000004832000-0x0000000004833000-memory.dmpFilesize
4KB
-
memory/852-107-0x0000000006300000-0x0000000006301000-memory.dmpFilesize
4KB
-
memory/852-70-0x0000000004870000-0x0000000004871000-memory.dmpFilesize
4KB
-
memory/852-108-0x0000000006310000-0x0000000006311000-memory.dmpFilesize
4KB
-
memory/852-72-0x0000000004830000-0x0000000004831000-memory.dmpFilesize
4KB
-
memory/852-65-0x0000000000000000-mapping.dmp
-
memory/852-66-0x00000000753E1000-0x00000000753E3000-memory.dmpFilesize
8KB
-
memory/852-67-0x0000000000990000-0x0000000000991000-memory.dmpFilesize
4KB
-
memory/852-93-0x00000000055D0000-0x00000000055D1000-memory.dmpFilesize
4KB
-
memory/852-92-0x0000000006280000-0x0000000006281000-memory.dmpFilesize
4KB
-
memory/852-109-0x000000007EF30000-0x000000007EF31000-memory.dmpFilesize
4KB
-
memory/852-85-0x0000000006160000-0x0000000006161000-memory.dmpFilesize
4KB
-
memory/852-75-0x0000000002100000-0x0000000002101000-memory.dmpFilesize
4KB
-
memory/852-84-0x00000000060C0000-0x00000000060C1000-memory.dmpFilesize
4KB
-
memory/852-79-0x0000000005650000-0x0000000005651000-memory.dmpFilesize
4KB
-
memory/852-76-0x0000000005240000-0x0000000005241000-memory.dmpFilesize
4KB
-
memory/1252-74-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
-
memory/1252-69-0x00000000004139DE-mapping.dmp
-
memory/1252-68-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
-
memory/1776-59-0x0000000001110000-0x0000000001111000-memory.dmpFilesize
4KB
-
memory/1776-61-0x0000000000490000-0x00000000004A0000-memory.dmpFilesize
64KB
-
memory/1776-64-0x00000000051B0000-0x00000000051E2000-memory.dmpFilesize
200KB
-
memory/1776-63-0x0000000005140000-0x00000000051AA000-memory.dmpFilesize
424KB
-
memory/1776-62-0x0000000004D60000-0x0000000004D61000-memory.dmpFilesize
4KB