Analysis
- max time kernel
167s - max time network
187s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
27/11/2022, 09:31
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
14 signatures
150 seconds
General
- Target file.exe
- Size 209KB
- Sample221127-lg2hwsfd96
- SHA256 1ba08967b94a3066d9de6040a7ee7f2db2c80e07977d30ff1d8ba24fedfdf6f1
- MD5 0f2c056a986063669f8d7b6dce9f392c
- SHA1 82bde2498ccc5443ee9153ab25c293aa2d902713
- SHA512 4f158544272be56e336a5c62c9e74c21a314b0b5bfda4b5d7401fc79e89517a4cf3ceb25ad99c94a12b567710d63a7d6c378c7e1bc0d7365840d7e3fa03df5d9
- SSDEEP 3072:lZcqniTy2EE5zlEQ9yekamuTcQNY+ktECY6a2aTCCVjwFfojMMb5OXHIwgh:cNu2jf9yPuTcQNIEC08fojMWCHg
- 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/0x000d000000022e4a-148.dat amadey_cred_module behavioral2/files/0x000d000000022e4a-149.dat amadey_cred_module - Blocklisted process makes network request 1 IoCs
flow pid Process 60 1716 rundll32.exe - Executes dropped EXE 3 IoCs
pid Process 5112 gntuud.exe 4168 gntuud.exe 3444 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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation gntuud.exe - Loads dropped DLL 1 IoCs
pid Process 1716 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-1-5-21-2386679933-1492765628-3466841596-1000\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.
- Program crash 3 IoCs
pid pid_target Process procid_target 532 4444 WerFault.exe 83 4912 4168 WerFault.exe 91 4036 3444 WerFault.exe 102 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1052 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1716 rundll32.exe 1716 rundll32.exe 1716 rundll32.exe 1716 rundll32.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4444 wrote to memory of 5112 4444 file.exe 84 PID 4444 wrote to memory of 5112 4444 file.exe 84 PID 4444 wrote to memory of 5112 4444 file.exe 84 PID 5112 wrote to memory of 1052 5112 gntuud.exe 87 PID 5112 wrote to memory of 1052 5112 gntuud.exe 87 PID 5112 wrote to memory of 1052 5112 gntuud.exe 87 PID 5112 wrote to memory of 1716 5112 gntuud.exe 95 PID 5112 wrote to memory of 1716 5112 gntuud.exe 95 PID 5112 wrote to memory of 1716 5112 gntuud.exe 95 - outlook_win_path 1 IoCs
description 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
-
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:4444 -
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:5112 -
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:1052
-
-
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:1716
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 11402⤵
- Program crash
PID:532
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4444 -ip 44441⤵PID:1792
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:4168 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4168 -s 4202⤵
- Program crash
PID:4912
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4168 -ip 41681⤵PID:5008
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:3444 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3444 -s 4202⤵
- Program crash
PID:4036
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3444 -ip 34441⤵PID:5020
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 209KB
- SHA256 1ba08967b94a3066d9de6040a7ee7f2db2c80e07977d30ff1d8ba24fedfdf6f1
- MD5 0f2c056a986063669f8d7b6dce9f392c
- SHA1 82bde2498ccc5443ee9153ab25c293aa2d902713
- SHA512 4f158544272be56e336a5c62c9e74c21a314b0b5bfda4b5d7401fc79e89517a4cf3ceb25ad99c94a12b567710d63a7d6c378c7e1bc0d7365840d7e3fa03df5d9
- SSDEEP 3072:lZcqniTy2EE5zlEQ9yekamuTcQNY+ktECY6a2aTCCVjwFfojMMb5OXHIwgh:cNu2jf9yPuTcQNIEC08fojMWCHg
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 209KB
- SHA256 1ba08967b94a3066d9de6040a7ee7f2db2c80e07977d30ff1d8ba24fedfdf6f1
- MD5 0f2c056a986063669f8d7b6dce9f392c
- SHA1 82bde2498ccc5443ee9153ab25c293aa2d902713
- SHA512 4f158544272be56e336a5c62c9e74c21a314b0b5bfda4b5d7401fc79e89517a4cf3ceb25ad99c94a12b567710d63a7d6c378c7e1bc0d7365840d7e3fa03df5d9
- SSDEEP 3072:lZcqniTy2EE5zlEQ9yekamuTcQNY+ktECY6a2aTCCVjwFfojMMb5OXHIwgh:cNu2jf9yPuTcQNIEC08fojMWCHg
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 209KB
- SHA256 1ba08967b94a3066d9de6040a7ee7f2db2c80e07977d30ff1d8ba24fedfdf6f1
- MD5 0f2c056a986063669f8d7b6dce9f392c
- SHA1 82bde2498ccc5443ee9153ab25c293aa2d902713
- SHA512 4f158544272be56e336a5c62c9e74c21a314b0b5bfda4b5d7401fc79e89517a4cf3ceb25ad99c94a12b567710d63a7d6c378c7e1bc0d7365840d7e3fa03df5d9
- SSDEEP 3072:lZcqniTy2EE5zlEQ9yekamuTcQNY+ktECY6a2aTCCVjwFfojMMb5OXHIwgh:cNu2jf9yPuTcQNIEC08fojMWCHg
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 209KB
- SHA256 1ba08967b94a3066d9de6040a7ee7f2db2c80e07977d30ff1d8ba24fedfdf6f1
- MD5 0f2c056a986063669f8d7b6dce9f392c
- SHA1 82bde2498ccc5443ee9153ab25c293aa2d902713
- SHA512 4f158544272be56e336a5c62c9e74c21a314b0b5bfda4b5d7401fc79e89517a4cf3ceb25ad99c94a12b567710d63a7d6c378c7e1bc0d7365840d7e3fa03df5d9
- SSDEEP 3072:lZcqniTy2EE5zlEQ9yekamuTcQNY+ktECY6a2aTCCVjwFfojMMb5OXHIwgh:cNu2jf9yPuTcQNIEC08fojMWCHg
- 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