Analysis
-
max time kernel
150s -
max time network
52s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
06-12-2022 21:03
Behavioral task
behavioral1
Sample
d7666d8ea14bfcac396489e45154045981784f3a1b3f286c0c45993242f8a301.dll
Resource
win7-20220901-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
d7666d8ea14bfcac396489e45154045981784f3a1b3f286c0c45993242f8a301.dll
Resource
win10v2004-20220812-en
windows10-2004-x64
7 signatures
150 seconds
General
-
Target
d7666d8ea14bfcac396489e45154045981784f3a1b3f286c0c45993242f8a301.dll
-
Size
118KB
-
MD5
ffcc54bf2980c0559035f513ac689bf7
-
SHA1
4ea058ea431edd9c701488e96c10cdf7bc71cf9c
-
SHA256
d7666d8ea14bfcac396489e45154045981784f3a1b3f286c0c45993242f8a301
-
SHA512
62ca24ba010a722149de490401fe181b3441af2e2e1d8226de158e5d1ca10e4e965539d32b8f659ab19a87e8d4b1f358ff83de595a2cd852de05584d6d90ca23
-
SSDEEP
1536:r8DDS7LFiLjnavBSsOnOonMaPJtSNBeAt94nouy8Af206g:OIFYjnav4bnOAMaWeAt2outKG
Score
8/10
Malware Config
Signatures
-
resource yara_rule behavioral1/memory/628-56-0x0000000010000000-0x000000001001F000-memory.dmp upx behavioral1/files/0x000500000000b2d2-59.dat upx behavioral1/memory/1868-60-0x0000000010000000-0x000000001001F000-memory.dmp upx behavioral1/memory/628-61-0x0000000010000000-0x000000001001F000-memory.dmp upx -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\msisue.dll rundll32.exe File opened for modification C:\Windows\msisue.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} = "d7666d8ea14bfcac396489e45154045981784f3a1b3f286c0c45993242f8a301.dll,1314612079,-85730467,-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 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 960 wrote to memory of 628 960 rundll32.exe 27 PID 960 wrote to memory of 628 960 rundll32.exe 27 PID 960 wrote to memory of 628 960 rundll32.exe 27 PID 960 wrote to memory of 628 960 rundll32.exe 27 PID 960 wrote to memory of 628 960 rundll32.exe 27 PID 960 wrote to memory of 628 960 rundll32.exe 27 PID 960 wrote to memory of 628 960 rundll32.exe 27 PID 628 wrote to memory of 1868 628 rundll32.exe 28 PID 628 wrote to memory of 1868 628 rundll32.exe 28 PID 628 wrote to memory of 1868 628 rundll32.exe 28 PID 628 wrote to memory of 1868 628 rundll32.exe 28 PID 628 wrote to memory of 1868 628 rundll32.exe 28 PID 628 wrote to memory of 1868 628 rundll32.exe 28 PID 628 wrote to memory of 1868 628 rundll32.exe 28
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d7666d8ea14bfcac396489e45154045981784f3a1b3f286c0c45993242f8a301.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:960 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d7666d8ea14bfcac396489e45154045981784f3a1b3f286c0c45993242f8a301.dll,#12⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:628 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\msisue.dll",_RunAs@163⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1868
-
-
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
118KB
MD5ffcc54bf2980c0559035f513ac689bf7
SHA14ea058ea431edd9c701488e96c10cdf7bc71cf9c
SHA256d7666d8ea14bfcac396489e45154045981784f3a1b3f286c0c45993242f8a301
SHA51262ca24ba010a722149de490401fe181b3441af2e2e1d8226de158e5d1ca10e4e965539d32b8f659ab19a87e8d4b1f358ff83de595a2cd852de05584d6d90ca23