Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
06/03/2024, 16:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
9923.dll
Resource
win7-20240221-en
windows7-x64
2 signatures
150 seconds
General
- Target 9923.dll
- Size 840KB
- Sample240306-thkwjaca68
- SHA256 28d318a64d06bd5c86c11002be6805ebd114600b2f1e28f136924668b915e77b
- MD5 f6da6e194c429fe815f7d592688f3009
- SHA1 6df03d98320c3877567a05efa94c52f828269e21
- SHA512 20e73161b2615b207c1c61360db9283cb9aec8a1295ce03f1b34976a13ba3b6e992337ac6e39d51789eadeec8d7db322abc494e667f4f9f2c3f3a3642c9fd91c
- SSDEEP 24576:ee9nfmpSVmL+Cf72yb1SFEtEfPmY4uRD7HpUMhOw8ghE:dBmpSVmLfCDfPJ4cDFPhmghE
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
pikabot
C2
-
154.53.55.165
-
158.247.240.58
-
154.12.236.248
Signatures
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4356 set thread context of 772 4356 rundll32.exe 93 - Program crash 1 IoCs
pid pid_target Process procid_target 4136 4356 WerFault.exe 89 - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4356 rundll32.exe - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
pid Process 4356 rundll32.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4528 wrote to memory of 4356 4528 rundll32.exe 89 PID 4528 wrote to memory of 4356 4528 rundll32.exe 89 PID 4528 wrote to memory of 4356 4528 rundll32.exe 89 PID 4356 wrote to memory of 772 4356 rundll32.exe 93 PID 4356 wrote to memory of 772 4356 rundll32.exe 93 PID 4356 wrote to memory of 772 4356 rundll32.exe 93 PID 4356 wrote to memory of 772 4356 rundll32.exe 93 PID 4356 wrote to memory of 772 4356 rundll32.exe 93 PID 4356 wrote to memory of 772 4356 rundll32.exe 93 PID 4356 wrote to memory of 772 4356 rundll32.exe 93 PID 4356 wrote to memory of 772 4356 rundll32.exe 93
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9923.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9923.dll,#12⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of WriteProcessMemory
PID:4356 -
C:\Windows\SysWOW64\ctfmon.exe"C:\Windows\SysWOW64\ctfmon.exe -p 1234"3⤵PID:772
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4356 -s 6283⤵
- Program crash
PID:4136
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4356 -ip 43561⤵PID:3068