Analysis
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max time kernel
144s -
max time network
194s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 07:46
Static task
static1
Behavioral task
behavioral1
Sample
72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe
Resource
win10v2004-20220414-en
General
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Target
72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe
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Size
2.1MB
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MD5
06777de46e46ddf54d0dec2794ee292e
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SHA1
ad05474b996e88be045de557af5d58238210b4ce
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SHA256
72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31
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SHA512
d781c4ea0efbff6de3eea7471c00520f8bd5941f050f7db8517715ad91c2dd881fab416dd40bd40aa30c50785453dae2e77c16eb23a7e17feca899b95b71abe8
Malware Config
Extracted
amadey
3.04
185.215.113.47/k0uTrd3d/index.php
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 65 2728 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 6 IoCs
Processes:
ytouk.exeytouk.exeytouk.exeytouk.exeytouk.exeytouk.exepid process 2140 ytouk.exe 4648 ytouk.exe 5020 ytouk.exe 5028 ytouk.exe 4760 ytouk.exe 3516 ytouk.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exeytouk.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation 72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation ytouk.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 2728 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.
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Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe -
Suspicious use of SetThreadContext 4 IoCs
Processes:
72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exeytouk.exeytouk.exeytouk.exedescription pid process target process PID 3032 set thread context of 1552 3032 72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe 72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe PID 2140 set thread context of 4648 2140 ytouk.exe ytouk.exe PID 5020 set thread context of 5028 5020 ytouk.exe ytouk.exe PID 4760 set thread context of 3516 4760 ytouk.exe ytouk.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exepid process 2728 rundll32.exe 2728 rundll32.exe 2728 rundll32.exe 2728 rundll32.exe -
Suspicious use of WriteProcessMemory 35 IoCs
Processes:
72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exeytouk.exeytouk.execmd.exeytouk.exeytouk.exedescription pid process target process PID 3032 wrote to memory of 1552 3032 72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe 72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe PID 3032 wrote to memory of 1552 3032 72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe 72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe PID 3032 wrote to memory of 1552 3032 72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe 72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe PID 3032 wrote to memory of 1552 3032 72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe 72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe PID 3032 wrote to memory of 1552 3032 72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe 72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe PID 1552 wrote to memory of 2140 1552 72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe ytouk.exe PID 1552 wrote to memory of 2140 1552 72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe ytouk.exe PID 1552 wrote to memory of 2140 1552 72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe ytouk.exe PID 2140 wrote to memory of 4648 2140 ytouk.exe ytouk.exe PID 2140 wrote to memory of 4648 2140 ytouk.exe ytouk.exe PID 2140 wrote to memory of 4648 2140 ytouk.exe ytouk.exe PID 2140 wrote to memory of 4648 2140 ytouk.exe ytouk.exe PID 2140 wrote to memory of 4648 2140 ytouk.exe ytouk.exe PID 4648 wrote to memory of 4612 4648 ytouk.exe cmd.exe PID 4648 wrote to memory of 4612 4648 ytouk.exe cmd.exe PID 4648 wrote to memory of 4612 4648 ytouk.exe cmd.exe PID 4648 wrote to memory of 4668 4648 ytouk.exe schtasks.exe PID 4648 wrote to memory of 4668 4648 ytouk.exe schtasks.exe PID 4648 wrote to memory of 4668 4648 ytouk.exe schtasks.exe PID 4612 wrote to memory of 4552 4612 cmd.exe reg.exe PID 4612 wrote to memory of 4552 4612 cmd.exe reg.exe PID 4612 wrote to memory of 4552 4612 cmd.exe reg.exe PID 5020 wrote to memory of 5028 5020 ytouk.exe ytouk.exe PID 5020 wrote to memory of 5028 5020 ytouk.exe ytouk.exe PID 5020 wrote to memory of 5028 5020 ytouk.exe ytouk.exe PID 5020 wrote to memory of 5028 5020 ytouk.exe ytouk.exe PID 5020 wrote to memory of 5028 5020 ytouk.exe ytouk.exe PID 4648 wrote to memory of 2728 4648 ytouk.exe rundll32.exe PID 4648 wrote to memory of 2728 4648 ytouk.exe rundll32.exe PID 4648 wrote to memory of 2728 4648 ytouk.exe rundll32.exe PID 4760 wrote to memory of 3516 4760 ytouk.exe ytouk.exe PID 4760 wrote to memory of 3516 4760 ytouk.exe ytouk.exe PID 4760 wrote to memory of 3516 4760 ytouk.exe ytouk.exe PID 4760 wrote to memory of 3516 4760 ytouk.exe ytouk.exe PID 4760 wrote to memory of 3516 4760 ytouk.exe ytouk.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe"C:\Users\Admin\AppData\Local\Temp\72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Users\Admin\AppData\Local\Temp\72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe"C:\Users\Admin\AppData\Local\Temp\72cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31.exe"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exe"C:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exe"C:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exe"4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\da45e4863a\5⤵
- Suspicious use of WriteProcessMemory
PID:4612 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\da45e4863a\6⤵PID:4552
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN ytouk.exe /TR "C:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exe" /F5⤵
- Creates scheduled task(s)
PID:4668 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\64d3ed4fe9b768\cred.dll, Main5⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
PID:2728
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C:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exeC:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5020 -
C:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exeC:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exe2⤵
- Executes dropped EXE
PID:5028
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C:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exeC:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4760 -
C:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exeC:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exe2⤵
- Executes dropped EXE
PID:3516
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exeFilesize
2.1MB
MD506777de46e46ddf54d0dec2794ee292e
SHA1ad05474b996e88be045de557af5d58238210b4ce
SHA25672cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31
SHA512d781c4ea0efbff6de3eea7471c00520f8bd5941f050f7db8517715ad91c2dd881fab416dd40bd40aa30c50785453dae2e77c16eb23a7e17feca899b95b71abe8
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C:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exeFilesize
2.1MB
MD506777de46e46ddf54d0dec2794ee292e
SHA1ad05474b996e88be045de557af5d58238210b4ce
SHA25672cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31
SHA512d781c4ea0efbff6de3eea7471c00520f8bd5941f050f7db8517715ad91c2dd881fab416dd40bd40aa30c50785453dae2e77c16eb23a7e17feca899b95b71abe8
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C:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exeFilesize
2.1MB
MD506777de46e46ddf54d0dec2794ee292e
SHA1ad05474b996e88be045de557af5d58238210b4ce
SHA25672cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31
SHA512d781c4ea0efbff6de3eea7471c00520f8bd5941f050f7db8517715ad91c2dd881fab416dd40bd40aa30c50785453dae2e77c16eb23a7e17feca899b95b71abe8
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C:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exeFilesize
2.1MB
MD506777de46e46ddf54d0dec2794ee292e
SHA1ad05474b996e88be045de557af5d58238210b4ce
SHA25672cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31
SHA512d781c4ea0efbff6de3eea7471c00520f8bd5941f050f7db8517715ad91c2dd881fab416dd40bd40aa30c50785453dae2e77c16eb23a7e17feca899b95b71abe8
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C:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exeFilesize
2.1MB
MD506777de46e46ddf54d0dec2794ee292e
SHA1ad05474b996e88be045de557af5d58238210b4ce
SHA25672cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31
SHA512d781c4ea0efbff6de3eea7471c00520f8bd5941f050f7db8517715ad91c2dd881fab416dd40bd40aa30c50785453dae2e77c16eb23a7e17feca899b95b71abe8
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C:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exeFilesize
2.1MB
MD506777de46e46ddf54d0dec2794ee292e
SHA1ad05474b996e88be045de557af5d58238210b4ce
SHA25672cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31
SHA512d781c4ea0efbff6de3eea7471c00520f8bd5941f050f7db8517715ad91c2dd881fab416dd40bd40aa30c50785453dae2e77c16eb23a7e17feca899b95b71abe8
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C:\Users\Admin\AppData\Local\Temp\da45e4863a\ytouk.exeFilesize
2.1MB
MD506777de46e46ddf54d0dec2794ee292e
SHA1ad05474b996e88be045de557af5d58238210b4ce
SHA25672cc7ecb49837771303a8f567a2b7dd2e7f5ad7790c5b3aa0011fb981106cb31
SHA512d781c4ea0efbff6de3eea7471c00520f8bd5941f050f7db8517715ad91c2dd881fab416dd40bd40aa30c50785453dae2e77c16eb23a7e17feca899b95b71abe8
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C:\Users\Admin\AppData\Roaming\64d3ed4fe9b768\cred.dllFilesize
126KB
MD584be3fa18752dcafb0a72d7598713044
SHA131d9536c04f4aa2d3363bda4eaa07251eb62fa83
SHA2561effbaf248ce0babc39e844a39b46d51d60a3044a712437e626b18c74c56790d
SHA512de508e5f9f3976abdec305f281a67d5b9c349352bbff9e6ebe7cc33e9b72e6583a4eae2c9791e26d08d6ca4011db71cd3f66fd103702d68a8999acf640dcebe4
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C:\Users\Admin\AppData\Roaming\64d3ed4fe9b768\cred.dllFilesize
126KB
MD584be3fa18752dcafb0a72d7598713044
SHA131d9536c04f4aa2d3363bda4eaa07251eb62fa83
SHA2561effbaf248ce0babc39e844a39b46d51d60a3044a712437e626b18c74c56790d
SHA512de508e5f9f3976abdec305f281a67d5b9c349352bbff9e6ebe7cc33e9b72e6583a4eae2c9791e26d08d6ca4011db71cd3f66fd103702d68a8999acf640dcebe4
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memory/1552-133-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1552-134-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1552-132-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1552-130-0x0000000000000000-mapping.dmp
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memory/1552-131-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2140-135-0x0000000000000000-mapping.dmp
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memory/2728-154-0x0000000000000000-mapping.dmp
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memory/3516-162-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3516-158-0x0000000000000000-mapping.dmp
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memory/3516-163-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3516-161-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/4552-145-0x0000000000000000-mapping.dmp
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memory/4612-143-0x0000000000000000-mapping.dmp
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memory/4648-138-0x0000000000000000-mapping.dmp
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memory/4648-146-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/4648-142-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/4648-141-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/4668-144-0x0000000000000000-mapping.dmp
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memory/5028-153-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/5028-152-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/5028-151-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/5028-148-0x0000000000000000-mapping.dmp