Analysis
- max time kernel
151s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
12/04/2023, 00:45
General
- Target 19ca8bec.exe
- Size 212KB
- Sample230412-a3333agd88
- SHA256 805a64c1ec03d02bf8e8ebe48a9c59fe520c573cafc01bf3ef2b6dd965b1a12a
Malware Config
Extracted
-
smokeloader
-
pub4
Extracted
-
smokeloader
-
2022
-
http://aapu.at/tmp/
-
http://poudineh.com/tmp/
-
http://firsttrusteedrx.ru/tmp/
-
http://kingpirate.ru/tmp/
Signatures
- Detect rhadamanthys stealer shellcode 4 IoCs
- Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
- Program crash 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\19ca8bec.exe"C:\Users\Admin\AppData\Local\Temp\19ca8bec.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\6273.exeC:\Users\Admin\AppData\Local\Temp\6273.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\dllhost.exe"C:\Windows\system32\dllhost.exe"2⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- outlook_office_path
- outlook_win_path
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 7322⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2364 -ip 23641⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
6273.exe
6273.exe
memory/2364-154-0x0000000001FF0000-0x000000000200C000-memory.dmp
memory/2364-160-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2364-147-0x0000000001FC0000-0x0000000001FEE000-memory.dmp
memory/2364-148-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2364-151-0x0000000001FF0000-0x000000000200C000-memory.dmp
memory/2364-152-0x0000000001FF0000-0x000000000200C000-memory.dmp
memory/2364-153-0x0000000000630000-0x0000000000632000-memory.dmp
memory/2364-161-0x0000000001FF0000-0x000000000200C000-memory.dmp
memory/2364-156-0x0000000000630000-0x0000000000633000-memory.dmp
memory/2428-134-0x0000000000520000-0x0000000000529000-memory.dmp
memory/2428-136-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/3152-135-0x0000000000E30000-0x0000000000E46000-memory.dmp
memory/4136-155-0x000002CA4ED20000-0x000002CA4ED21000-memory.dmp
memory/4136-159-0x00007FF4B3C50000-0x00007FF4B3D4A000-memory.dmp
memory/4136-158-0x00007FF4B3C50000-0x00007FF4B3D4A000-memory.dmp
memory/4136-157-0x000002CA4EE40000-0x000002CA4EE47000-memory.dmp
memory/4136-162-0x00007FF4B3C50000-0x00007FF4B3D4A000-memory.dmp
memory/4136-163-0x00007FF4B3C50000-0x00007FF4B3D4A000-memory.dmp
memory/4136-164-0x00007FF4B3C50000-0x00007FF4B3D4A000-memory.dmp
memory/4136-165-0x00007FF4B3C50000-0x00007FF4B3D4A000-memory.dmp