Analysis
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max time kernel
144s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
05-07-2022 06:53
Static task
static1
Behavioral task
behavioral1
Sample
Medgulf PO.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Medgulf PO.exe
Resource
win10v2004-20220414-en
General
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Target
Medgulf PO.exe
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Size
21KB
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MD5
fc08864032d1bc58016be58bb1257da8
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SHA1
fb561bebaac8d5a3f2686071c8c0666af183e188
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SHA256
6a6e1823ba802e69315de8833ea7038289a51cb28f330fb359dc821d4923408c
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SHA512
4cb9c9863e8f716f4f987271b39f5ead42f47ad9a39f00a39e87621bb996fffdbf30f78b7e1a915d1344aab126b643f94c873b4f2d01adf2b3c9920ee07dfcec
Malware Config
Signatures
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WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
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Warzone RAT Payload 8 IoCs
Processes:
resource yara_rule behavioral1/memory/2020-64-0x0000000000400000-0x0000000000559000-memory.dmp warzonerat behavioral1/memory/2020-65-0x0000000000400000-0x0000000000559000-memory.dmp warzonerat behavioral1/memory/2020-67-0x0000000000400000-0x0000000000559000-memory.dmp warzonerat behavioral1/memory/2020-69-0x0000000000400000-0x0000000000559000-memory.dmp warzonerat behavioral1/memory/2020-70-0x0000000000400000-0x0000000000559000-memory.dmp warzonerat behavioral1/memory/2020-71-0x0000000000406DE6-mapping.dmp warzonerat behavioral1/memory/2020-74-0x0000000000400000-0x0000000000559000-memory.dmp warzonerat behavioral1/memory/2020-75-0x0000000000400000-0x0000000000559000-memory.dmp warzonerat -
Executes dropped EXE 1 IoCs
Processes:
96.exepid process 1804 96.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Sets DLL path for service in the registry 2 TTPs 1 IoCs
Processes:
Medgulf PO.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TermService\Parameters\ServiceDll = "%ProgramFiles%\\Microsoft DN1\\sqlmap.dll" Medgulf PO.exe -
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\96.exe upx C:\Users\Admin\AppData\Local\Temp\96.exe upx behavioral1/memory/1804-82-0x00000000008E0000-0x000000000090D000-memory.dmp upx behavioral1/memory/1804-85-0x00000000008E0000-0x000000000090D000-memory.dmp upx -
Drops startup file 2 IoCs
Processes:
Medgulf PO.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Medgulf PO.exe Medgulf PO.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Medgulf PO.exe Medgulf PO.exe -
Loads dropped DLL 8 IoCs
Processes:
Medgulf PO.exepid process 2020 Medgulf PO.exe 1716 2020 Medgulf PO.exe 2020 Medgulf PO.exe 2020 Medgulf PO.exe 2020 Medgulf PO.exe 2020 Medgulf PO.exe 2020 Medgulf PO.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 Microsoft Outlook profiles 1 TTPs 2 IoCs
Processes:
Medgulf PO.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Medgulf PO.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Medgulf PO.exe -
Modifies WinLogon 2 TTPs 4 IoCs
Processes:
Medgulf PO.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList\mBfIrCs = "0" Medgulf PO.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\AllowMultipleTSSessions = "1" Medgulf PO.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList Medgulf PO.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts Medgulf PO.exe -
Drops file in System32 directory 1 IoCs
Processes:
Medgulf PO.exedescription ioc process File created C:\Windows\System32\rfxvmt.dll Medgulf PO.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Medgulf PO.exedescription pid process target process PID 328 set thread context of 2020 328 Medgulf PO.exe Medgulf PO.exe -
Drops file in Program Files directory 2 IoCs
Processes:
Medgulf PO.exedescription ioc process File created C:\Program Files\Microsoft DN1\sqlmap.dll Medgulf PO.exe File created C:\Program Files\Microsoft DN1\rdpwrap.ini Medgulf PO.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 45 IoCs
Processes:
Medgulf PO.exepid process 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe 328 Medgulf PO.exe -
Suspicious behavior: LoadsDriver 3 IoCs
Processes:
pid process 1716 1716 1716 -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Medgulf PO.exeMedgulf PO.exedescription pid process Token: SeDebugPrivilege 328 Medgulf PO.exe Token: SeDebugPrivilege 2020 Medgulf PO.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Medgulf PO.exepid process 2020 Medgulf PO.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
Medgulf PO.exeMedgulf PO.exe96.exedescription pid process target process PID 328 wrote to memory of 2020 328 Medgulf PO.exe Medgulf PO.exe PID 328 wrote to memory of 2020 328 Medgulf PO.exe Medgulf PO.exe PID 328 wrote to memory of 2020 328 Medgulf PO.exe Medgulf PO.exe PID 328 wrote to memory of 2020 328 Medgulf PO.exe Medgulf PO.exe PID 328 wrote to memory of 2020 328 Medgulf PO.exe Medgulf PO.exe PID 328 wrote to memory of 2020 328 Medgulf PO.exe Medgulf PO.exe PID 328 wrote to memory of 2020 328 Medgulf PO.exe Medgulf PO.exe PID 328 wrote to memory of 2020 328 Medgulf PO.exe Medgulf PO.exe PID 328 wrote to memory of 2020 328 Medgulf PO.exe Medgulf PO.exe PID 328 wrote to memory of 2020 328 Medgulf PO.exe Medgulf PO.exe PID 328 wrote to memory of 2020 328 Medgulf PO.exe Medgulf PO.exe PID 328 wrote to memory of 2020 328 Medgulf PO.exe Medgulf PO.exe PID 2020 wrote to memory of 1804 2020 Medgulf PO.exe 96.exe PID 2020 wrote to memory of 1804 2020 Medgulf PO.exe 96.exe PID 2020 wrote to memory of 1804 2020 Medgulf PO.exe 96.exe PID 2020 wrote to memory of 1804 2020 Medgulf PO.exe 96.exe PID 1804 wrote to memory of 1560 1804 96.exe netsh.exe PID 1804 wrote to memory of 1560 1804 96.exe netsh.exe PID 1804 wrote to memory of 1560 1804 96.exe netsh.exe PID 1804 wrote to memory of 1560 1804 96.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
Medgulf PO.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Medgulf PO.exe -
outlook_win_path 1 IoCs
Processes:
Medgulf PO.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Medgulf PO.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Medgulf PO.exe"C:\Users\Admin\AppData\Local\Temp\Medgulf PO.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Medgulf PO.exe"C:\Users\Admin\AppData\Local\Temp\Medgulf PO.exe"2⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Modifies WinLogon
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Users\Admin\AppData\Local\Temp\96.exe"C:\Users\Admin\AppData\Local\Temp\96.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall add rule name="3389" dir=in action=allow protocol=TCP localport=33894⤵
- Modifies Windows Firewall
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\96.exeFilesize
70KB
MD5ca96229390a0e6a53e8f2125f2c01114
SHA1a54b1081cf58724f8cb292b4d165dfee2fb1c9f6
SHA2560df3d05900e7b530f6c2a281d43c47839f2cf2a5d386553c8dc46e463a635a2c
SHA512e93445bce6c8b6f51890309577a0ea9369860d2e6bf8cc0ca708879a77bb176d27c5f559bbdb7deb4b719aee0fc48d9068c293559f7629baf4ec3515898102ef
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\Program Files\Microsoft DN1\sqlmap.dllFilesize
114KB
MD5461ade40b800ae80a40985594e1ac236
SHA1b3892eef846c044a2b0785d54a432b3e93a968c8
SHA256798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4
SHA512421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26
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\Users\Admin\AppData\Local\Temp\96.exeFilesize
70KB
MD5ca96229390a0e6a53e8f2125f2c01114
SHA1a54b1081cf58724f8cb292b4d165dfee2fb1c9f6
SHA2560df3d05900e7b530f6c2a281d43c47839f2cf2a5d386553c8dc46e463a635a2c
SHA512e93445bce6c8b6f51890309577a0ea9369860d2e6bf8cc0ca708879a77bb176d27c5f559bbdb7deb4b719aee0fc48d9068c293559f7629baf4ec3515898102ef
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\Users\Admin\AppData\Local\Temp\freebl3.dllFilesize
326KB
MD5ef12ab9d0b231b8f898067b2114b1bc0
SHA16d90f27b2105945f9bb77039e8b892070a5f9442
SHA2562b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7
SHA5122aa62bfba556ad8f042942dd25aa071ff6677c257904377c1ec956fd9e862abcbf379e0cfd8c630c303a32ece75618c24e3eef58bddb705c427985b944689193
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\Users\Admin\AppData\Local\Temp\mozglue.dllFilesize
133KB
MD575f8cc548cabf0cc800c25047e4d3124
SHA1602676768f9faecd35b48c38a0632781dfbde10c
SHA256fb419a60305f17359e2ac0510233ee80e845885eee60607715c67dd88e501ef0
SHA512ed831c9c769aef3be253c52542cf032afa0a8fa5fe25ca704db65ee6883c608220df7102ac2b99ee9c2e599a0f5db99fd86894a4b169e68440eb1b0d0012672f
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\Users\Admin\AppData\Local\Temp\msvcp140.dllFilesize
429KB
MD5109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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\Users\Admin\AppData\Local\Temp\nss3.dllFilesize
1.2MB
MD5d7858e8449004e21b01d468e9fd04b82
SHA19524352071ede21c167e7e4f106e9526dc23ef4e
SHA25678758bf7f3b3b5e3477e38354acd32d787bc1286c8bd9b873471b9c195e638db
SHA5121e2c981e6c0ca36c60c6e9cae9548b866d5c524df837095b30d618d9c322def7134c20de820105400dd1b58076b66d90274f67773ac6ba914f611b419babb440
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\Users\Admin\AppData\Local\Temp\softokn3.dllFilesize
141KB
MD5471c983513694ac3002590345f2be0da
SHA16612b9af4ff6830fa9b7d4193078434ef72f775b
SHA256bb3ff746471116c6ad0339fa0522aa2a44a787e33a29c7b27649a054ecd4d00f
SHA512a9b0fb923bc3b567e933de10b141a3e9213640e3d790b4c4d753cf220d55593ae8026102909969ba6bfc22da3b2fcd01e30a9f5a74bd14a0fdec9beaf0fb1410
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\Users\Admin\AppData\Local\Temp\vcruntime140.dllFilesize
81KB
MD57587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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memory/328-58-0x0000000003FA0000-0x0000000003FA8000-memory.dmpFilesize
32KB
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memory/328-57-0x0000000000A50000-0x0000000000A58000-memory.dmpFilesize
32KB
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memory/328-54-0x0000000000080000-0x000000000008C000-memory.dmpFilesize
48KB
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memory/328-56-0x0000000004F90000-0x0000000004FE8000-memory.dmpFilesize
352KB
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memory/328-55-0x0000000075BA1000-0x0000000075BA3000-memory.dmpFilesize
8KB
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memory/1560-79-0x0000000000000000-mapping.dmp
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memory/1804-85-0x00000000008E0000-0x000000000090D000-memory.dmpFilesize
180KB
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memory/1804-82-0x00000000008E0000-0x000000000090D000-memory.dmpFilesize
180KB
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memory/1804-77-0x0000000000000000-mapping.dmp
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memory/2020-69-0x0000000000400000-0x0000000000559000-memory.dmpFilesize
1.3MB
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memory/2020-86-0x000000000AF70000-0x000000000AFF4000-memory.dmpFilesize
528KB
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memory/2020-80-0x0000000005120000-0x0000000005220000-memory.dmpFilesize
1024KB
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memory/2020-81-0x0000000004FB0000-0x0000000004FDD000-memory.dmpFilesize
180KB
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memory/2020-74-0x0000000000400000-0x0000000000559000-memory.dmpFilesize
1.3MB
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memory/2020-70-0x0000000000400000-0x0000000000559000-memory.dmpFilesize
1.3MB
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memory/2020-75-0x0000000000400000-0x0000000000559000-memory.dmpFilesize
1.3MB
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memory/2020-71-0x0000000000406DE6-mapping.dmp
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memory/2020-67-0x0000000000400000-0x0000000000559000-memory.dmpFilesize
1.3MB
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memory/2020-65-0x0000000000400000-0x0000000000559000-memory.dmpFilesize
1.3MB
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memory/2020-64-0x0000000000400000-0x0000000000559000-memory.dmpFilesize
1.3MB
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memory/2020-62-0x0000000000400000-0x0000000000559000-memory.dmpFilesize
1.3MB
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memory/2020-60-0x0000000000400000-0x0000000000559000-memory.dmpFilesize
1.3MB
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memory/2020-59-0x0000000000400000-0x0000000000559000-memory.dmpFilesize
1.3MB