Analysis
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max time kernel
159s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
08-03-2024 00:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
d1b839ff226453091b1e90711b36dd2630a8664432f3742faa1cd24521257c65.dll
Resource
win7-20240221-en
windows7-x64
2 signatures
150 seconds
General
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Target
d1b839ff226453091b1e90711b36dd2630a8664432f3742faa1cd24521257c65.dll
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Size
840KB
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MD5
dc3e5c80671a78e21f1a83ff13260799
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SHA1
d290a5f07168c4e97cfd11de61f405889ccfe529
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SHA256
d1b839ff226453091b1e90711b36dd2630a8664432f3742faa1cd24521257c65
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SHA512
e904b79af7667fbcbe25de1f45c216fdd8f2ec1f449cdfe80c6efe25eb352f7d680f12592634e0d85daf85fa6f0f6afa2085849391e2f99b6678604187b95335
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SSDEEP
24576:Qe9nfmpSVmL+Cf72yb1SFEtEfPmY4uRD7HpUMhOw8ghE:/BmpSVmLfCDfPJ4cDFPhmghE
Malware Config
Extracted
Family
pikabot
C2
154.53.55.165
158.247.240.58
154.12.236.248
Signatures
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3372 set thread context of 1896 3372 rundll32.exe 91 -
Program crash 1 IoCs
pid pid_target Process procid_target 3096 3372 WerFault.exe 87 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe 3372 rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3372 rundll32.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
pid Process 3372 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 812 wrote to memory of 3372 812 rundll32.exe 87 PID 812 wrote to memory of 3372 812 rundll32.exe 87 PID 812 wrote to memory of 3372 812 rundll32.exe 87 PID 3372 wrote to memory of 1896 3372 rundll32.exe 91 PID 3372 wrote to memory of 1896 3372 rundll32.exe 91 PID 3372 wrote to memory of 1896 3372 rundll32.exe 91 PID 3372 wrote to memory of 1896 3372 rundll32.exe 91 PID 3372 wrote to memory of 1896 3372 rundll32.exe 91 PID 3372 wrote to memory of 1896 3372 rundll32.exe 91 PID 3372 wrote to memory of 1896 3372 rundll32.exe 91 PID 3372 wrote to memory of 1896 3372 rundll32.exe 91
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d1b839ff226453091b1e90711b36dd2630a8664432f3742faa1cd24521257c65.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:812 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d1b839ff226453091b1e90711b36dd2630a8664432f3742faa1cd24521257c65.dll,#12⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of WriteProcessMemory
PID:3372 -
C:\Windows\SysWOW64\ctfmon.exe"C:\Windows\SysWOW64\ctfmon.exe -p 1234"3⤵PID:1896
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 5563⤵
- Program crash
PID:3096
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3372 -ip 33721⤵PID:3860