Analysis
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max time kernel
148s -
max time network
154s -
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 16:14
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
6772.dll
Resource
win7-20240221-en
2 signatures
150 seconds
General
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Target
6772.dll
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Size
840KB
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MD5
4b1518535af6344af39bd90aa02a6c0d
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SHA1
183b74ec94b19c1f4af194e4d606270053669913
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SHA256
238dcc5611ed9066b63d2d0109c9b623f54f8d7b61d5f9de59694cfc60a4e646
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SHA512
8644ec984504f56336fe583c61f4e86c103550eb9f8cf27c6342251da13ef2d0dff132bd2256fbe8e1958da788e0f9738636e9b1438851784934427ec7006cb0
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SSDEEP
24576:je9nfmpSVmL+Cf72yb1SFEtEfPmY4uRD7HpUMhOw8ghE:qBmpSVmLfCDfPJ4cDFPhmghE
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
Processes:
rundll32.exedescription pid process target process PID 1244 set thread context of 1520 1244 rundll32.exe ctfmon.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4624 1244 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
rundll32.exepid process 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe 1244 rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
rundll32.exepid process 1244 rundll32.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
Processes:
rundll32.exepid process 1244 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1712 wrote to memory of 1244 1712 rundll32.exe rundll32.exe PID 1712 wrote to memory of 1244 1712 rundll32.exe rundll32.exe PID 1712 wrote to memory of 1244 1712 rundll32.exe rundll32.exe PID 1244 wrote to memory of 1520 1244 rundll32.exe ctfmon.exe PID 1244 wrote to memory of 1520 1244 rundll32.exe ctfmon.exe PID 1244 wrote to memory of 1520 1244 rundll32.exe ctfmon.exe PID 1244 wrote to memory of 1520 1244 rundll32.exe ctfmon.exe PID 1244 wrote to memory of 1520 1244 rundll32.exe ctfmon.exe PID 1244 wrote to memory of 1520 1244 rundll32.exe ctfmon.exe PID 1244 wrote to memory of 1520 1244 rundll32.exe ctfmon.exe PID 1244 wrote to memory of 1520 1244 rundll32.exe ctfmon.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6772.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6772.dll,#12⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\ctfmon.exe"C:\Windows\SysWOW64\ctfmon.exe -p 1234"3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 5763⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1244 -ip 12441⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/1244-0-0x00000000010B0000-0x00000000010E6000-memory.dmpFilesize
216KB
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memory/1244-12-0x00000000010B0000-0x00000000010E6000-memory.dmpFilesize
216KB
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memory/1520-1-0x00000000004A0000-0x00000000004B9000-memory.dmpFilesize
100KB
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memory/1520-6-0x00000000004A0000-0x00000000004B9000-memory.dmpFilesize
100KB