Analysis
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max time kernel
165s -
max time network
187s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-05-2022 22:46
Static task
static1
Behavioral task
behavioral1
Sample
bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe
Resource
win7-20220414-en
General
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Target
bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe
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Size
203KB
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MD5
f7ac2169bab58efd4d196b4418f95e03
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SHA1
709b25a30a6504d589b8f6ff2d3dba0c32680f38
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SHA256
bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3
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SHA512
6a35354efd59b65097551a443d4d313682190aef63a60449c535c49ab72cba12c7d081bbc23d5ef63899ee394880c481cc6786563fa2c7ed23c23c98ed57fccf
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Service = "C:\\Program Files (x86)\\ARP Service\\arpsvc.exe" bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe -
Processes:
bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe -
Drops file in Program Files directory 2 IoCs
Processes:
bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exedescription ioc process File created C:\Program Files (x86)\ARP Service\arpsvc.exe bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe File opened for modification C:\Program Files (x86)\ARP Service\arpsvc.exe bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1508 schtasks.exe 1804 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exepid process 1664 bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe 1664 bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe 1664 bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exepid process 1664 bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exedescription pid process Token: SeDebugPrivilege 1664 bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exedescription pid process target process PID 1664 wrote to memory of 1508 1664 bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe schtasks.exe PID 1664 wrote to memory of 1508 1664 bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe schtasks.exe PID 1664 wrote to memory of 1508 1664 bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe schtasks.exe PID 1664 wrote to memory of 1508 1664 bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe schtasks.exe PID 1664 wrote to memory of 1804 1664 bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe schtasks.exe PID 1664 wrote to memory of 1804 1664 bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe schtasks.exe PID 1664 wrote to memory of 1804 1664 bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe schtasks.exe PID 1664 wrote to memory of 1804 1664 bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe"C:\Users\Admin\AppData\Local\Temp\bd485ac49721c06bddea47b14aaaaf55c7d350ecf6d1401b5ff199844f878ee3.exe"1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ARP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9BE3.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ARP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD24F.tmp"2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp9BE3.tmpFilesize
1KB
MD590cf6f4d15c1ebd22e4903ffc5db6832
SHA13087ddc093e202fdc410a222b0d033cbaf7abce6
SHA25654e63d9cb5497d38751eda7541bff808602fd73e452b5b10bb4963d1740ff62d
SHA5127a8ac85a0adc8d82da7bbabcaf8aadb6b02f5550069420532b2f249e4794621e00acd05919008a03484757d53c0d34ec1092c657241b097c47e99f444b682686
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memory/1508-56-0x0000000000000000-mapping.dmp
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memory/1664-54-0x0000000075721000-0x0000000075723000-memory.dmpFilesize
8KB
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memory/1664-55-0x00000000744D0000-0x0000000074A7B000-memory.dmpFilesize
5.7MB
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memory/1804-58-0x0000000000000000-mapping.dmp