Analysis
- max time kernel
112s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
01/12/2022, 08:46
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
15 signatures
150 seconds
General
- Target file.exe
- Size 243KB
- Sample221201-kpcdasfd3v
- SHA256 dddd655ec30014575469db9f2f0eb4a4f5422a72de859bb1b368b31fe8797fe0
- MD5 8d840165598e3c2ae54bf7a311219e6a
- SHA1 234ca1c6ef9ff5970d9a327fcbf8725afd1c494a
- SHA512 3f5b93533bd6925f04b9046004856b395161b91cb99ea722a53b1d60479648717b4e777c762c310897cf4de7760df4013a8287adb8e69e1acc7c814f03f30c06
- SSDEEP 6144:4M7JHxuyavPvXOKicPNJ4XJk2Jk/Oy+MJE:4MVcDvP1icPHANJk/OyR
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
amadey
Version
-
3.50
C2
-
31.41.244.17/hfk3vK9/index.php
Signatures
- Detect Amadey credential stealer module 2 IoCs
resource yara_rule behavioral2/files/0x0004000000022e0f-148.dat amadey_cred_module behavioral2/files/0x0004000000022e0f-149.dat amadey_cred_module - Blocklisted process makes network request 1 IoCs
flow pid Process 42 3044 rundll32.exe - Downloads MZ/PE file
- Executes dropped EXE 3 IoCs
pid Process 692 gntuud.exe 3396 gntuud.exe 3460 gntuud.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation gntuud.exe Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation file.exe - Loads dropped DLL 1 IoCs
pid Process 3044 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.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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.
- Program crash 3 IoCs
pid pid_target Process procid_target 3896 2224 WerFault.exe 82 2088 3396 WerFault.exe 93 4540 3460 WerFault.exe 100 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4992 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3044 rundll32.exe 3044 rundll32.exe 3044 rundll32.exe 3044 rundll32.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2224 wrote to memory of 692 2224 file.exe 83 PID 2224 wrote to memory of 692 2224 file.exe 83 PID 2224 wrote to memory of 692 2224 file.exe 83 PID 692 wrote to memory of 4992 692 gntuud.exe 86 PID 692 wrote to memory of 4992 692 gntuud.exe 86 PID 692 wrote to memory of 4992 692 gntuud.exe 86 PID 692 wrote to memory of 3044 692 gntuud.exe 99 PID 692 wrote to memory of 3044 692 gntuud.exe 99 PID 692 wrote to memory of 3044 692 gntuud.exe 99 - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:692 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe" /F3⤵
- Creates scheduled task(s)
PID:4992
-
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
PID:3044
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 8842⤵
- Program crash
PID:3896
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2224 -ip 22241⤵PID:2680
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:3396 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3396 -s 4202⤵
- Program crash
PID:2088
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 3396 -ip 33961⤵PID:4320
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:3460 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3460 -s 4162⤵
- Program crash
PID:4540
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3460 -ip 34601⤵PID:3208
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 243KB
- SHA256 dddd655ec30014575469db9f2f0eb4a4f5422a72de859bb1b368b31fe8797fe0
- MD5 8d840165598e3c2ae54bf7a311219e6a
- SHA1 234ca1c6ef9ff5970d9a327fcbf8725afd1c494a
- SHA512 3f5b93533bd6925f04b9046004856b395161b91cb99ea722a53b1d60479648717b4e777c762c310897cf4de7760df4013a8287adb8e69e1acc7c814f03f30c06
- SSDEEP 6144:4M7JHxuyavPvXOKicPNJ4XJk2Jk/Oy+MJE:4MVcDvP1icPHANJk/OyR
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 243KB
- SHA256 dddd655ec30014575469db9f2f0eb4a4f5422a72de859bb1b368b31fe8797fe0
- MD5 8d840165598e3c2ae54bf7a311219e6a
- SHA1 234ca1c6ef9ff5970d9a327fcbf8725afd1c494a
- SHA512 3f5b93533bd6925f04b9046004856b395161b91cb99ea722a53b1d60479648717b4e777c762c310897cf4de7760df4013a8287adb8e69e1acc7c814f03f30c06
- SSDEEP 6144:4M7JHxuyavPvXOKicPNJ4XJk2Jk/Oy+MJE:4MVcDvP1icPHANJk/OyR
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 243KB
- SHA256 dddd655ec30014575469db9f2f0eb4a4f5422a72de859bb1b368b31fe8797fe0
- MD5 8d840165598e3c2ae54bf7a311219e6a
- SHA1 234ca1c6ef9ff5970d9a327fcbf8725afd1c494a
- SHA512 3f5b93533bd6925f04b9046004856b395161b91cb99ea722a53b1d60479648717b4e777c762c310897cf4de7760df4013a8287adb8e69e1acc7c814f03f30c06
- SSDEEP 6144:4M7JHxuyavPvXOKicPNJ4XJk2Jk/Oy+MJE:4MVcDvP1icPHANJk/OyR
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 243KB
- SHA256 dddd655ec30014575469db9f2f0eb4a4f5422a72de859bb1b368b31fe8797fe0
- MD5 8d840165598e3c2ae54bf7a311219e6a
- SHA1 234ca1c6ef9ff5970d9a327fcbf8725afd1c494a
- SHA512 3f5b93533bd6925f04b9046004856b395161b91cb99ea722a53b1d60479648717b4e777c762c310897cf4de7760df4013a8287adb8e69e1acc7c814f03f30c06
- SSDEEP 6144:4M7JHxuyavPvXOKicPNJ4XJk2Jk/Oy+MJE:4MVcDvP1icPHANJk/OyR
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
- Size 126KB
- SHA256 d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
- MD5 adbaf286228c46522e50371c4be31a03
- SHA1 a29d644c4663b2e2b2bd92046ba0df629537c297
- SHA512 74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
- SSDEEP 3072:ox7pOYzBekBmWDWCMq6As523HeS9FAiZ87vO2rlL3Rnm9:ox7ZNhB/dMq6AO0a7vVlT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
- Size 126KB
- SHA256 d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
- MD5 adbaf286228c46522e50371c4be31a03
- SHA1 a29d644c4663b2e2b2bd92046ba0df629537c297
- SHA512 74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
- SSDEEP 3072:ox7pOYzBekBmWDWCMq6As523HeS9FAiZ87vO2rlL3Rnm9:ox7ZNhB/dMq6AO0a7vVlT
- MD5 SHA1 SHA512 SSDEEP