Analysis
- max time kernel
74s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
09/11/2022, 07:47
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
15 signatures
150 seconds
General
- Target file.exe
- Size 221KB
- Sample221109-jmh8dsgegj
- SHA256 ae7c9e849e06f8e17846aef42fcc5128095d16a2ab93dfc69b3a4e04d6b44299
- MD5 b48c8a0297dd4d1e66f0d33eee81c765
- SHA1 bf1d7089673464e28caace417a16313c88ded860
- SHA512 e9cf0ce1b6296a6e0d7b66eb7ae68164a644d4ffb17fb361cdc1b7f38168d0ac845926832cc5fe22aaf821859a3781667ce4a666e097399c3c099ba38aa4a676
- SSDEEP 3072:PTFHC3KILYGeuIRwol8b8wj1m8cj7d02EzM+Yc8k3Avbtf+OSFlYJ1Q15Omb5a:rVC3LYGe3nam/502EVYcp4kiJ1Q1A4a
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect Amadey credential stealer module 4 IoCs
resource yara_rule behavioral2/files/0x0001000000022e11-146.dat amadey_cred_module behavioral2/files/0x0001000000022e11-148.dat amadey_cred_module behavioral2/memory/1088-149-0x00000000006B0000-0x00000000006D4000-memory.dmp amadey_cred_module behavioral2/files/0x0001000000022e11-147.dat amadey_cred_module - Blocklisted process makes network request 1 IoCs
flow pid Process 27 1088 rundll32.exe - Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 620 rovwer.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 file.exe Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation rovwer.exe - Loads dropped DLL 2 IoCs
pid Process 1088 rundll32.exe 1088 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 1 IoCs
pid pid_target Process procid_target 932 540 WerFault.exe 75 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2480 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1088 rundll32.exe 1088 rundll32.exe 1088 rundll32.exe 1088 rundll32.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 540 wrote to memory of 620 540 file.exe 77 PID 540 wrote to memory of 620 540 file.exe 77 PID 540 wrote to memory of 620 540 file.exe 77 PID 620 wrote to memory of 2480 620 rovwer.exe 85 PID 620 wrote to memory of 2480 620 rovwer.exe 85 PID 620 wrote to memory of 2480 620 rovwer.exe 85 PID 620 wrote to memory of 1088 620 rovwer.exe 92 PID 620 wrote to memory of 1088 620 rovwer.exe 92 PID 620 wrote to memory of 1088 620 rovwer.exe 92 - 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:540 -
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
PID:620 -
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)
PID:2480
-
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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
PID:1088
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 8802⤵
- Program crash
PID:932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 540 -ip 5401⤵PID:3212
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
- Size 221KB
- SHA256 ae7c9e849e06f8e17846aef42fcc5128095d16a2ab93dfc69b3a4e04d6b44299
- MD5 b48c8a0297dd4d1e66f0d33eee81c765
- SHA1 bf1d7089673464e28caace417a16313c88ded860
- SHA512 e9cf0ce1b6296a6e0d7b66eb7ae68164a644d4ffb17fb361cdc1b7f38168d0ac845926832cc5fe22aaf821859a3781667ce4a666e097399c3c099ba38aa4a676
- SSDEEP 3072:PTFHC3KILYGeuIRwol8b8wj1m8cj7d02EzM+Yc8k3Avbtf+OSFlYJ1Q15Omb5a:rVC3LYGe3nam/502EVYcp4kiJ1Q1A4a
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
- Size 221KB
- SHA256 ae7c9e849e06f8e17846aef42fcc5128095d16a2ab93dfc69b3a4e04d6b44299
- MD5 b48c8a0297dd4d1e66f0d33eee81c765
- SHA1 bf1d7089673464e28caace417a16313c88ded860
- SHA512 e9cf0ce1b6296a6e0d7b66eb7ae68164a644d4ffb17fb361cdc1b7f38168d0ac845926832cc5fe22aaf821859a3781667ce4a666e097399c3c099ba38aa4a676
- SSDEEP 3072:PTFHC3KILYGeuIRwol8b8wj1m8cj7d02EzM+Yc8k3Avbtf+OSFlYJ1Q15Omb5a:rVC3LYGe3nam/502EVYcp4kiJ1Q1A4a
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
- Size 126KB
- SHA256 d23147a448d24f81d81d4bb226f3fc968386792c0987dda75917104b5ecd9d5a
- MD5 b8d80046e28849a320a3dcd868b73d7c
- SHA1 f15bc4a4c5189e7aa845213469c6def5afd68186
- SHA512 b7f6d59ee55d2b579c2185560d2e660c1952f9214f3db3096b1358af3559fd985859aa3389be333c826f35b85cd63c6f65a03e65a7ad57c7834bb09abd1d853e
- SSDEEP 3072:Yx7pOYzBek93tiINwyP7XSSJds3zhrjPcnqULv4m9:Yx7ZNh93vwyOztPc3L
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
- Size 126KB
- SHA256 d23147a448d24f81d81d4bb226f3fc968386792c0987dda75917104b5ecd9d5a
- MD5 b8d80046e28849a320a3dcd868b73d7c
- SHA1 f15bc4a4c5189e7aa845213469c6def5afd68186
- SHA512 b7f6d59ee55d2b579c2185560d2e660c1952f9214f3db3096b1358af3559fd985859aa3389be333c826f35b85cd63c6f65a03e65a7ad57c7834bb09abd1d853e
- SSDEEP 3072:Yx7pOYzBek93tiINwyP7XSSJds3zhrjPcnqULv4m9:Yx7ZNh93vwyOztPc3L
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
- Size 126KB
- SHA256 d23147a448d24f81d81d4bb226f3fc968386792c0987dda75917104b5ecd9d5a
- MD5 b8d80046e28849a320a3dcd868b73d7c
- SHA1 f15bc4a4c5189e7aa845213469c6def5afd68186
- SHA512 b7f6d59ee55d2b579c2185560d2e660c1952f9214f3db3096b1358af3559fd985859aa3389be333c826f35b85cd63c6f65a03e65a7ad57c7834bb09abd1d853e
- SSDEEP 3072:Yx7pOYzBek93tiINwyP7XSSJds3zhrjPcnqULv4m9:Yx7ZNh93vwyOztPc3L
- MD5 SHA1 SHA512 SSDEEP