Analysis
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max time kernel
114s -
max time network
68s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
13-09-2021 13:47
Static task
static1
Behavioral task
behavioral1
Sample
Microsoft.ApplicationInsights.PersistenceChannel.dll.exe
Resource
win7v20210408
General
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Target
Microsoft.ApplicationInsights.PersistenceChannel.dll.exe
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Size
458KB
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MD5
14e351015c5d632f888dbcac03871fae
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SHA1
b5471c5eea356ce87ac5c2df8bbd9bc72cf84da9
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SHA256
977a8d56d7bbc22e780e85bea06fa4be13c8f9be01515665863cb431fb2e8daa
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SHA512
f7ac50b3cc68404ddc14579c9e12239a292afc4e034232274f8987579fbf3ea59a64403e122b946cceec9a383633cb3b7f3eedade819125a017de7c6a48a8947
Malware Config
Signatures
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Arkei Stealer Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1780-64-0x00000000004057F0-mapping.dmp family_arkei behavioral1/memory/1780-63-0x0000000000400000-0x000000000041D000-memory.dmp family_arkei behavioral1/memory/1780-67-0x0000000000400000-0x000000000041D000-memory.dmp family_arkei -
Downloads MZ/PE file
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Loads dropped DLL 5 IoCs
Processes:
Microsoft.ApplicationInsights.PersistenceChannel.dll.exepid process 1780 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe 1780 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe 1780 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe 1780 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe 1780 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
Microsoft.ApplicationInsights.PersistenceChannel.dll.exedescription pid process target process PID 604 set thread context of 1780 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe Microsoft.ApplicationInsights.PersistenceChannel.dll.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1644 604 WerFault.exe Microsoft.ApplicationInsights.PersistenceChannel.dll.exe -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
Microsoft.ApplicationInsights.PersistenceChannel.dll.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Microsoft.ApplicationInsights.PersistenceChannel.dll.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1260 timeout.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
WerFault.exepid process 1644 WerFault.exe 1644 WerFault.exe 1644 WerFault.exe 1644 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 1644 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Microsoft.ApplicationInsights.PersistenceChannel.dll.exeWerFault.exedescription pid process Token: SeDebugPrivilege 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe Token: SeDebugPrivilege 1644 WerFault.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
Microsoft.ApplicationInsights.PersistenceChannel.dll.exeMicrosoft.ApplicationInsights.PersistenceChannel.dll.execmd.exedescription pid process target process PID 604 wrote to memory of 1780 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe Microsoft.ApplicationInsights.PersistenceChannel.dll.exe PID 604 wrote to memory of 1780 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe Microsoft.ApplicationInsights.PersistenceChannel.dll.exe PID 604 wrote to memory of 1780 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe Microsoft.ApplicationInsights.PersistenceChannel.dll.exe PID 604 wrote to memory of 1780 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe Microsoft.ApplicationInsights.PersistenceChannel.dll.exe PID 604 wrote to memory of 1780 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe Microsoft.ApplicationInsights.PersistenceChannel.dll.exe PID 604 wrote to memory of 1780 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe Microsoft.ApplicationInsights.PersistenceChannel.dll.exe PID 604 wrote to memory of 1780 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe Microsoft.ApplicationInsights.PersistenceChannel.dll.exe PID 604 wrote to memory of 1780 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe Microsoft.ApplicationInsights.PersistenceChannel.dll.exe PID 604 wrote to memory of 1780 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe Microsoft.ApplicationInsights.PersistenceChannel.dll.exe PID 604 wrote to memory of 1780 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe Microsoft.ApplicationInsights.PersistenceChannel.dll.exe PID 604 wrote to memory of 1780 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe Microsoft.ApplicationInsights.PersistenceChannel.dll.exe PID 604 wrote to memory of 1644 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe WerFault.exe PID 604 wrote to memory of 1644 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe WerFault.exe PID 604 wrote to memory of 1644 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe WerFault.exe PID 604 wrote to memory of 1644 604 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe WerFault.exe PID 1780 wrote to memory of 1556 1780 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe cmd.exe PID 1780 wrote to memory of 1556 1780 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe cmd.exe PID 1780 wrote to memory of 1556 1780 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe cmd.exe PID 1780 wrote to memory of 1556 1780 Microsoft.ApplicationInsights.PersistenceChannel.dll.exe cmd.exe PID 1556 wrote to memory of 1260 1556 cmd.exe timeout.exe PID 1556 wrote to memory of 1260 1556 cmd.exe timeout.exe PID 1556 wrote to memory of 1260 1556 cmd.exe timeout.exe PID 1556 wrote to memory of 1260 1556 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Microsoft.ApplicationInsights.PersistenceChannel.dll.exe"C:\Users\Admin\AppData\Local\Temp\Microsoft.ApplicationInsights.PersistenceChannel.dll.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Microsoft.ApplicationInsights.PersistenceChannel.dll.exe"C:\Users\Admin\AppData\Local\Temp\Microsoft.ApplicationInsights.PersistenceChannel.dll.exe"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Microsoft.ApplicationInsights.PersistenceChannel.dll.exe" & exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 54⤵
- Delays execution with timeout.exe
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 604 -s 6562⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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\ProgramData\mozglue.dllMD5
8f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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\ProgramData\msvcp140.dllMD5
109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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\ProgramData\nss3.dllMD5
bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
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\ProgramData\sqlite3.dllMD5
e477a96c8f2b18d6b5c27bde49c990bf
SHA1e980c9bf41330d1e5bd04556db4646a0210f7409
SHA25616574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660
SHA512335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c
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\ProgramData\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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memory/604-65-0x0000000000240000-0x0000000000243000-memory.dmpFilesize
12KB
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memory/604-59-0x0000000001150000-0x0000000001151000-memory.dmpFilesize
4KB
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memory/604-62-0x0000000000220000-0x0000000000239000-memory.dmpFilesize
100KB
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memory/604-61-0x0000000000210000-0x0000000000211000-memory.dmpFilesize
4KB
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memory/604-60-0x0000000000B70000-0x0000000000B71000-memory.dmpFilesize
4KB
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memory/1260-76-0x0000000000000000-mapping.dmp
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memory/1556-75-0x0000000000000000-mapping.dmp
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memory/1644-66-0x0000000000000000-mapping.dmp
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memory/1644-68-0x0000000000420000-0x0000000000421000-memory.dmpFilesize
4KB
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memory/1780-64-0x00000000004057F0-mapping.dmp
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memory/1780-69-0x0000000075211000-0x0000000075213000-memory.dmpFilesize
8KB
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memory/1780-67-0x0000000000400000-0x000000000041D000-memory.dmpFilesize
116KB
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memory/1780-63-0x0000000000400000-0x000000000041D000-memory.dmpFilesize
116KB