Analysis
-
max time kernel
300s -
max time network
301s -
platform
windows10-1703_x64 -
resource
win10-20231215-en -
resource tags
arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system -
submitted
31-12-2023 22:23
Static task
static1
Behavioral task
behavioral1
Sample
50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe
Resource
win10-20231215-en
General
-
Target
50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe
-
Size
6.4MB
-
MD5
2eafb4926d78feb0b61d5b995d0fe6ee
-
SHA1
f6e75678f1dafcb18408452ea948b9ad51b5d83e
-
SHA256
50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30
-
SHA512
1885f5874c44a6841be4d53140ad63304e8d1924bb98fe14602d884fbc289ec8913db772a9e2db93e45298d1328700e2000ddab109af3964eaf6f23af61ef78e
-
SSDEEP
196608:1pznZ/ySos+NnrlQ5jrNoIgDJ0I6x/oAP:1pDZk9LQ5vNdeJ0IC
Malware Config
Signatures
-
XMRig Miner payload 20 IoCs
Processes:
resource yara_rule behavioral2/memory/4652-15-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-16-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-17-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-18-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-19-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-20-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-21-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-22-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-24-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-27-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-28-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-29-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-30-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-31-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-35-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-36-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-39-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-40-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-41-0x0000000140000000-0x0000000140840000-memory.dmp xmrig behavioral2/memory/4652-42-0x0000000140000000-0x0000000140840000-memory.dmp xmrig -
Creates new service(s) 1 TTPs
-
Stops running service(s) 3 TTPs
-
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exeiojmibhyhiws.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion iojmibhyhiws.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion iojmibhyhiws.exe -
Executes dropped EXE 1 IoCs
Processes:
iojmibhyhiws.exepid process 2164 iojmibhyhiws.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
iojmibhyhiws.exedescription pid process target process PID 2164 set thread context of 1448 2164 iojmibhyhiws.exe conhost.exe PID 2164 set thread context of 4652 2164 iojmibhyhiws.exe conhost.exe -
Launches sc.exe 4 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exesc.exesc.exepid process 4620 sc.exe 4420 sc.exe 2456 sc.exe 2116 sc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exeiojmibhyhiws.execonhost.exepid process 464 50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe 464 50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe 464 50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe 464 50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe 464 50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe 2164 iojmibhyhiws.exe 2164 iojmibhyhiws.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe 4652 conhost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
pid process 660 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
conhost.exedescription pid process Token: SeLockMemoryPrivilege 4652 conhost.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
cmd.exeiojmibhyhiws.exedescription pid process target process PID 2344 wrote to memory of 2476 2344 cmd.exe choice.exe PID 2344 wrote to memory of 2476 2344 cmd.exe choice.exe PID 2164 wrote to memory of 1448 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 1448 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 1448 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 1448 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 1448 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 1448 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 1448 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 1448 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 1448 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 4652 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 4652 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 4652 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 4652 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 4652 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 4652 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 4652 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 4652 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 4652 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 4652 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 4652 2164 iojmibhyhiws.exe conhost.exe PID 2164 wrote to memory of 4652 2164 iojmibhyhiws.exe conhost.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe"C:\Users\Admin\AppData\Local\Temp\50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe"1⤵
- Checks BIOS information in registry
- Suspicious behavior: EnumeratesProcesses
PID:464 -
C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe delete "FLWCUERA"2⤵
- Launches sc.exe
PID:4620
-
-
C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe create "FLWCUERA" binpath= "C:\ProgramData\eyfisgalqlbk\iojmibhyhiws.exe" start= "auto"2⤵
- Launches sc.exe
PID:4420
-
-
C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop eventlog2⤵
- Launches sc.exe
PID:2456
-
-
C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start "FLWCUERA"2⤵
- Launches sc.exe
PID:2116
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 33⤵PID:2476
-
-
-
C:\ProgramData\eyfisgalqlbk\iojmibhyhiws.exeC:\ProgramData\eyfisgalqlbk\iojmibhyhiws.exe1⤵
- Checks BIOS information in registry
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2164 -
C:\Windows\system32\conhost.exeC:\Windows\system32\conhost.exe2⤵PID:1448
-
-
C:\Windows\system32\conhost.execonhost.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4652
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
5.4MB
MD5a6cbe1c9f331a49e4c1ce73f11d66e1d
SHA10459ae7e6aa768f319e5c726f9957fe778a6f871
SHA2569d99c36fa028d504b8e687ea8cfe382d4c2457b51153d3affe8e73894b75c5b2
SHA5121ddb64349924ca5df9d3cba53319bacea4b26c8643f92fbc21729fbe0ed3c5bb50fd96e74bf4f06141037a261096683e3bb2bb771d536de10880ffd8d85b37e2
-
Filesize
6.4MB
MD52eafb4926d78feb0b61d5b995d0fe6ee
SHA1f6e75678f1dafcb18408452ea948b9ad51b5d83e
SHA25650b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30
SHA5121885f5874c44a6841be4d53140ad63304e8d1924bb98fe14602d884fbc289ec8913db772a9e2db93e45298d1328700e2000ddab109af3964eaf6f23af61ef78e