Analysis
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max time kernel
152s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30/10/2022, 07:48
Static task
static1
Behavioral task
behavioral1
Sample
43058ba6fefd7948d7d4b16a6782307bba90198f2f3f02b85724e3704c9180de.dll
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
43058ba6fefd7948d7d4b16a6782307bba90198f2f3f02b85724e3704c9180de.dll
Resource
win10v2004-20220812-en
windows10-2004-x64
6 signatures
150 seconds
General
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Target
43058ba6fefd7948d7d4b16a6782307bba90198f2f3f02b85724e3704c9180de.dll
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Size
26KB
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MD5
92eb093a4733930c30c44b1dcef401cd
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SHA1
fc79151be2b0127d3010582482876851b5fd1662
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SHA256
43058ba6fefd7948d7d4b16a6782307bba90198f2f3f02b85724e3704c9180de
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SHA512
22bfe806f0e08153d42f901af2a13fa3f198d399f491eac605a095e9bef58eca323d1476564f958c2cc5a422b00aeea69011403b62a81c80de07b10ef2b9471c
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SSDEEP
768:gdh9fQUpt79DTowgzkKPK6QOWVTnSlmg1wUulxC/3ESrDvL:coUpzDTo1Q+UtSMuuloPESrDvL
Score
5/10
Malware Config
Signatures
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Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\oficx.dll rundll32.exe File opened for modification C:\Windows\oficx.dll rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "43058ba6fefd7948d7d4b16a6782307bba90198f2f3f02b85724e3704c9180de.dll,1293806123,641534121,-1814625877" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe 1420 rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1008 wrote to memory of 1368 1008 rundll32.exe 28 PID 1008 wrote to memory of 1368 1008 rundll32.exe 28 PID 1008 wrote to memory of 1368 1008 rundll32.exe 28 PID 1008 wrote to memory of 1368 1008 rundll32.exe 28 PID 1008 wrote to memory of 1368 1008 rundll32.exe 28 PID 1008 wrote to memory of 1368 1008 rundll32.exe 28 PID 1008 wrote to memory of 1368 1008 rundll32.exe 28 PID 1368 wrote to memory of 1420 1368 rundll32.exe 29 PID 1368 wrote to memory of 1420 1368 rundll32.exe 29 PID 1368 wrote to memory of 1420 1368 rundll32.exe 29 PID 1368 wrote to memory of 1420 1368 rundll32.exe 29 PID 1368 wrote to memory of 1420 1368 rundll32.exe 29 PID 1368 wrote to memory of 1420 1368 rundll32.exe 29 PID 1368 wrote to memory of 1420 1368 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\43058ba6fefd7948d7d4b16a6782307bba90198f2f3f02b85724e3704c9180de.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1008 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\43058ba6fefd7948d7d4b16a6782307bba90198f2f3f02b85724e3704c9180de.dll,#12⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\oficx.dll",_RunAs@163⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1420
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
26KB
MD592eb093a4733930c30c44b1dcef401cd
SHA1fc79151be2b0127d3010582482876851b5fd1662
SHA25643058ba6fefd7948d7d4b16a6782307bba90198f2f3f02b85724e3704c9180de
SHA51222bfe806f0e08153d42f901af2a13fa3f198d399f491eac605a095e9bef58eca323d1476564f958c2cc5a422b00aeea69011403b62a81c80de07b10ef2b9471c