Analysis
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max time kernel
149s -
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
15-03-2024 06:38
Static task
static1
Behavioral task
behavioral1
Sample
a83f6e7a71d300c1f5dd457d848a9859eebef336b3447e5623c37fc8077fa42f.dll
Resource
win7-20240220-en
General
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Target
a83f6e7a71d300c1f5dd457d848a9859eebef336b3447e5623c37fc8077fa42f.dll
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Size
840KB
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MD5
9f81f7463f720ee4de86ba4c7c5db8e1
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SHA1
0a6559d54a477052ee309b4f78119627cb1dafab
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SHA256
a83f6e7a71d300c1f5dd457d848a9859eebef336b3447e5623c37fc8077fa42f
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SHA512
7d298c1a3ec9505c7de49a48d4af9a87a7d38d23795f48383659c5869d7337117398bbb8db0d4af6bbdce434c3868e314a3cb033c3b3593de2902c8d1856a06f
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SSDEEP
24576:Me9nfmpSVmL+Cf72yb1SFEtEfPmY4uRD7HpUMhOw8ghE:rBmpSVmLfCDfPJ4cDFPhmghE
Malware Config
Extracted
pikabot
154.53.55.165
158.247.240.58
154.12.236.248
Signatures
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Suspicious use of SetThreadContext 1 IoCs
Processes:
rundll32.exedescription pid process target process PID 2648 set thread context of 1384 2648 rundll32.exe ctfmon.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4952 2648 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
rundll32.exepid process 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe 2648 rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
rundll32.exepid process 2648 rundll32.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
Processes:
rundll32.exepid process 2648 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 3168 wrote to memory of 2648 3168 rundll32.exe rundll32.exe PID 3168 wrote to memory of 2648 3168 rundll32.exe rundll32.exe PID 3168 wrote to memory of 2648 3168 rundll32.exe rundll32.exe PID 2648 wrote to memory of 1384 2648 rundll32.exe ctfmon.exe PID 2648 wrote to memory of 1384 2648 rundll32.exe ctfmon.exe PID 2648 wrote to memory of 1384 2648 rundll32.exe ctfmon.exe PID 2648 wrote to memory of 1384 2648 rundll32.exe ctfmon.exe PID 2648 wrote to memory of 1384 2648 rundll32.exe ctfmon.exe PID 2648 wrote to memory of 1384 2648 rundll32.exe ctfmon.exe PID 2648 wrote to memory of 1384 2648 rundll32.exe ctfmon.exe PID 2648 wrote to memory of 1384 2648 rundll32.exe ctfmon.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a83f6e7a71d300c1f5dd457d848a9859eebef336b3447e5623c37fc8077fa42f.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a83f6e7a71d300c1f5dd457d848a9859eebef336b3447e5623c37fc8077fa42f.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 2648 -s 6283⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2648 -ip 26481⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/1384-1-0x0000000000A20000-0x0000000000A39000-memory.dmpFilesize
100KB
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memory/1384-6-0x0000000000A20000-0x0000000000A39000-memory.dmpFilesize
100KB
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memory/2648-0-0x00000000028B0000-0x00000000028E6000-memory.dmpFilesize
216KB
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memory/2648-12-0x00000000028B0000-0x00000000028E6000-memory.dmpFilesize
216KB