Analysis
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max time kernel
185s -
max time network
207s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 13:46
Static task
static1
Behavioral task
behavioral1
Sample
9441bb4af843a5de558f6a45b432b1684f87f094ddb8ebc0881eafccf72dc6fb.exe
Resource
win10v2004-20221111-en
General
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Target
9441bb4af843a5de558f6a45b432b1684f87f094ddb8ebc0881eafccf72dc6fb.exe
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Size
205KB
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MD5
c87809e769b4a936366bd40fb4ab4f71
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SHA1
9a474fab984b143be3125cf93cc588ddaa764dc8
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SHA256
9441bb4af843a5de558f6a45b432b1684f87f094ddb8ebc0881eafccf72dc6fb
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SHA512
f7b98ae398af4dc9a4d58c3a1f62736fa4ca8638a7566df3b87b218433785198dae0a92dcde09ce876c5dc58b2c9b69b5c37bf9e22408b229a81feea7020e40b
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SSDEEP
3072:By2l/CiGxn5rnUuUexrGcPwt5TNqq/kYWfPAxkgsIphAw:BJCiGTtUexrwtlMq/ZWfPAk
Malware Config
Extracted
amadey
3.50
193.56.146.194/h49vlBP/index.php
Signatures
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Detect Amadey credential stealer module 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll amadey_cred_module C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll amadey_cred_module -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 78 1832 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
rovwer.exerovwer.exerovwer.exepid process 1892 rovwer.exe 4892 rovwer.exe 2384 rovwer.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
9441bb4af843a5de558f6a45b432b1684f87f094ddb8ebc0881eafccf72dc6fb.exerovwer.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 9441bb4af843a5de558f6a45b432b1684f87f094ddb8ebc0881eafccf72dc6fb.exe Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation rovwer.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 1832 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-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.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 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 4900 1188 WerFault.exe 9441bb4af843a5de558f6a45b432b1684f87f094ddb8ebc0881eafccf72dc6fb.exe 2220 4892 WerFault.exe rovwer.exe -
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 1832 rundll32.exe 1832 rundll32.exe 1832 rundll32.exe 1832 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
9441bb4af843a5de558f6a45b432b1684f87f094ddb8ebc0881eafccf72dc6fb.exerovwer.exedescription pid process target process PID 1188 wrote to memory of 1892 1188 9441bb4af843a5de558f6a45b432b1684f87f094ddb8ebc0881eafccf72dc6fb.exe rovwer.exe PID 1188 wrote to memory of 1892 1188 9441bb4af843a5de558f6a45b432b1684f87f094ddb8ebc0881eafccf72dc6fb.exe rovwer.exe PID 1188 wrote to memory of 1892 1188 9441bb4af843a5de558f6a45b432b1684f87f094ddb8ebc0881eafccf72dc6fb.exe rovwer.exe PID 1892 wrote to memory of 1216 1892 rovwer.exe schtasks.exe PID 1892 wrote to memory of 1216 1892 rovwer.exe schtasks.exe PID 1892 wrote to memory of 1216 1892 rovwer.exe schtasks.exe PID 1892 wrote to memory of 1832 1892 rovwer.exe rundll32.exe PID 1892 wrote to memory of 1832 1892 rovwer.exe rundll32.exe PID 1892 wrote to memory of 1832 1892 rovwer.exe rundll32.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9441bb4af843a5de558f6a45b432b1684f87f094ddb8ebc0881eafccf72dc6fb.exe"C:\Users\Admin\AppData\Local\Temp\9441bb4af843a5de558f6a45b432b1684f87f094ddb8ebc0881eafccf72dc6fb.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe"C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe" /F3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 11362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1188 -ip 11881⤵
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 3042⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4892 -ip 48921⤵
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
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\50c1695437\rovwer.exeFilesize
205KB
MD5c87809e769b4a936366bd40fb4ab4f71
SHA19a474fab984b143be3125cf93cc588ddaa764dc8
SHA2569441bb4af843a5de558f6a45b432b1684f87f094ddb8ebc0881eafccf72dc6fb
SHA512f7b98ae398af4dc9a4d58c3a1f62736fa4ca8638a7566df3b87b218433785198dae0a92dcde09ce876c5dc58b2c9b69b5c37bf9e22408b229a81feea7020e40b
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
205KB
MD5c87809e769b4a936366bd40fb4ab4f71
SHA19a474fab984b143be3125cf93cc588ddaa764dc8
SHA2569441bb4af843a5de558f6a45b432b1684f87f094ddb8ebc0881eafccf72dc6fb
SHA512f7b98ae398af4dc9a4d58c3a1f62736fa4ca8638a7566df3b87b218433785198dae0a92dcde09ce876c5dc58b2c9b69b5c37bf9e22408b229a81feea7020e40b
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
205KB
MD5c87809e769b4a936366bd40fb4ab4f71
SHA19a474fab984b143be3125cf93cc588ddaa764dc8
SHA2569441bb4af843a5de558f6a45b432b1684f87f094ddb8ebc0881eafccf72dc6fb
SHA512f7b98ae398af4dc9a4d58c3a1f62736fa4ca8638a7566df3b87b218433785198dae0a92dcde09ce876c5dc58b2c9b69b5c37bf9e22408b229a81feea7020e40b
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
205KB
MD5c87809e769b4a936366bd40fb4ab4f71
SHA19a474fab984b143be3125cf93cc588ddaa764dc8
SHA2569441bb4af843a5de558f6a45b432b1684f87f094ddb8ebc0881eafccf72dc6fb
SHA512f7b98ae398af4dc9a4d58c3a1f62736fa4ca8638a7566df3b87b218433785198dae0a92dcde09ce876c5dc58b2c9b69b5c37bf9e22408b229a81feea7020e40b
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C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dllFilesize
126KB
MD5674cec24e36e0dfaec6290db96dda86e
SHA1581e3a7a541cc04641e751fc850d92e07236681f
SHA256de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded
SHA5126d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029
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C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dllFilesize
126KB
MD5674cec24e36e0dfaec6290db96dda86e
SHA1581e3a7a541cc04641e751fc850d92e07236681f
SHA256de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded
SHA5126d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029
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memory/1188-143-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1188-133-0x0000000002820000-0x000000000285E000-memory.dmpFilesize
248KB
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memory/1188-134-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1188-132-0x0000000000B3D000-0x0000000000B5C000-memory.dmpFilesize
124KB
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memory/1188-142-0x0000000000B3D000-0x0000000000B5C000-memory.dmpFilesize
124KB
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memory/1216-141-0x0000000000000000-mapping.dmp
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memory/1832-146-0x0000000000000000-mapping.dmp
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memory/1892-144-0x0000000000BCC000-0x0000000000BEB000-memory.dmpFilesize
124KB
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memory/1892-145-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1892-135-0x0000000000000000-mapping.dmp
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memory/1892-140-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1892-139-0x0000000002620000-0x000000000265E000-memory.dmpFilesize
248KB
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memory/1892-138-0x0000000000BCC000-0x0000000000BEB000-memory.dmpFilesize
124KB
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memory/4892-150-0x0000000000E00000-0x0000000000E1F000-memory.dmpFilesize
124KB
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memory/4892-151-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB