Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
07/01/2024, 16:51
Behavioral task
behavioral1
Sample
93434f87336ad2bb2c75d64e1ab98572.exe
Resource
win7-20231129-en
13 signatures
150 seconds
General
- Target 93434f87336ad2bb2c75d64e1ab98572.exe
- Size 7.9MB
- Sample240107-vctf6aaggj
- SHA256 ea895be4bc7006fdb8e25a849c0aa26000c12b25d7a0342890a110ef79f9662f
- MD5 93434f87336ad2bb2c75d64e1ab98572
- SHA1 31c0fab0611c5c5527c7a593753998d40524101c
- SHA512 977394cf901937fbb95259d4446cd6fe47eb0d3e279523f9694e7a287b7c0f1888ee1c98404e19ba1d8d7a36abaa740130691b8a9221e370c6b06ce02aaf15b1
- SSDEEP 196608:cv7W6a7Bsitm4vhDZRFdE5jVBMHIhZ++u3:0raaitRRZtSs6A7
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
amadey
Version
-
4.13
C2
-
http://185.172.128.5
Attributes
-
install_dir
4fdb51ccdc
-
install_file
Utsysc.exe
-
strings_key
11bb398ff31ee80d2c37571aecd1d36d
-
url_paths
/v8sjh3hs8/index.php
rc4.plain
Signatures
- Blocklisted process makes network request 2 IoCs
flow pid Process 50 4264 rundll32.exe 59 2372 rundll32.exe - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation 93434f87336ad2bb2c75d64e1ab98572.exe Key value queried \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation Utsysc.exe - Executes dropped EXE 3 IoCs
pid Process 4004 Utsysc.exe 2356 Utsysc.exe 3024 Utsysc.exe - Loads dropped DLL 3 IoCs
pid Process 2544 rundll32.exe 4264 rundll32.exe 2372 rundll32.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.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2404 schtasks.exe - Suspicious behavior: EnumeratesProcesses 35 IoCs
pid Process 2924 93434f87336ad2bb2c75d64e1ab98572.exe 2924 93434f87336ad2bb2c75d64e1ab98572.exe 2924 93434f87336ad2bb2c75d64e1ab98572.exe 2924 93434f87336ad2bb2c75d64e1ab98572.exe 2924 93434f87336ad2bb2c75d64e1ab98572.exe 2924 93434f87336ad2bb2c75d64e1ab98572.exe 4004 Utsysc.exe 4004 Utsysc.exe 4004 Utsysc.exe 4004 Utsysc.exe 4004 Utsysc.exe 4004 Utsysc.exe 4264 rundll32.exe 4264 rundll32.exe 4264 rundll32.exe 4264 rundll32.exe 4264 rundll32.exe 4264 rundll32.exe 4264 rundll32.exe 4264 rundll32.exe 1992 powershell.exe 1992 powershell.exe 1992 powershell.exe 2356 Utsysc.exe 2356 Utsysc.exe 2356 Utsysc.exe 2356 Utsysc.exe 2356 Utsysc.exe 2356 Utsysc.exe 3024 Utsysc.exe 3024 Utsysc.exe 3024 Utsysc.exe 3024 Utsysc.exe 3024 Utsysc.exe 3024 Utsysc.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1992 powershell.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2924 93434f87336ad2bb2c75d64e1ab98572.exe - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2924 wrote to memory of 4004 2924 93434f87336ad2bb2c75d64e1ab98572.exe 28 PID 2924 wrote to memory of 4004 2924 93434f87336ad2bb2c75d64e1ab98572.exe 28 PID 2924 wrote to memory of 4004 2924 93434f87336ad2bb2c75d64e1ab98572.exe 28 PID 4004 wrote to memory of 2404 4004 Utsysc.exe 30 PID 4004 wrote to memory of 2404 4004 Utsysc.exe 30 PID 4004 wrote to memory of 2404 4004 Utsysc.exe 30 PID 4004 wrote to memory of 2544 4004 Utsysc.exe 105 PID 4004 wrote to memory of 2544 4004 Utsysc.exe 105 PID 4004 wrote to memory of 2544 4004 Utsysc.exe 105 PID 2544 wrote to memory of 4264 2544 rundll32.exe 104 PID 2544 wrote to memory of 4264 2544 rundll32.exe 104 PID 4264 wrote to memory of 4416 4264 rundll32.exe 103 PID 4264 wrote to memory of 4416 4264 rundll32.exe 103 PID 4264 wrote to memory of 1992 4264 rundll32.exe 106 PID 4264 wrote to memory of 1992 4264 rundll32.exe 106 PID 4004 wrote to memory of 2372 4004 Utsysc.exe 108 PID 4004 wrote to memory of 2372 4004 Utsysc.exe 108 PID 4004 wrote to memory of 2372 4004 Utsysc.exe 108
Processes
-
C:\Users\Admin\AppData\Local\Temp\93434f87336ad2bb2c75d64e1ab98572.exe"C:\Users\Admin\AppData\Local\Temp\93434f87336ad2bb2c75d64e1ab98572.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Users\Admin\AppData\Local\Temp\4fdb51ccdc\Utsysc.exe"C:\Users\Admin\AppData\Local\Temp\4fdb51ccdc\Utsysc.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4004 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN Utsysc.exe /TR "C:\Users\Admin\AppData\Local\Temp\4fdb51ccdc\Utsysc.exe" /F3⤵
- Creates scheduled task(s)
PID:2404
-
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\80c6bf70bf3f8f\cred64.dll, Main3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2544
-
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\80c6bf70bf3f8f\clip64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:2372
-
-
-
C:\Windows\system32\netsh.exenetsh wlan show profiles1⤵PID:4416
-
C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\80c6bf70bf3f8f\cred64.dll, Main1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4264 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\232405761120_Desktop.zip' -CompressionLevel Optimal2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1992
-
-
C:\Users\Admin\AppData\Local\Temp\4fdb51ccdc\Utsysc.exeC:\Users\Admin\AppData\Local\Temp\4fdb51ccdc\Utsysc.exe1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2356
-
C:\Users\Admin\AppData\Local\Temp\4fdb51ccdc\Utsysc.exeC:\Users\Admin\AppData\Local\Temp\4fdb51ccdc\Utsysc.exe1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3024
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\4fdb51ccdc\Utsysc.exe
- Size 1.5MB
- SHA256 cbc23d0debf2e48414b93fa0e9ae97f9e8e5360d2420572553381e5d6c14664a
- MD5 0ba303f8407aa24e028283979a921e10
- SHA1 264dba66a7225da8a92cb904725f1143c78d30d8
- SHA512 5ba8376c7a216aca9fe326427ea067b7f63ff43a8eab348188170dae8b581fc0980818b0117fb71681e5b2e2bea3178837e1ee71f6a7fbd8a0cc440693cac5b4
- SSDEEP 24576:JESuHvgzViL/r3Az0VfnnTIkkdxkC6Mmf6LNH68nVpI7ynSev02txCns/nWABR9:J8H4cL0z0BnEZTz6dUNRVS7XeFnWABn
- MD5 SHA1 SHA512 SSDEEP