Analysis
- max time kernel
143s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
11/11/2022, 01:31
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
15 signatures
150 seconds
General
- Target file.exe
- Size 410KB
- Sample221111-bxdfwsaadr
- SHA256 b50dc3ab23b8ff1ecf8762875b1a2e08c2dd6f2b42b831c302febac572bd770f
- MD5 41e24fed92aed9b598cb6f4423e9c0f1
- SHA1 d19a99cf8d31df54a04dc294d7496b909e7665cb
- SHA512 f6612db9b0e5f304421cd0318ea799a1f520c89bbf80c42704c7599ebb1a1616b5c58dd85b333b0e764496ff4fbdb2ffccf307ef958a95cc049ab7ed6cfc10a7
- SSDEEP 6144:rF1uqBLx2YJDglfkAb30LXfK04P3y4+NSt98XIpy2XwOu1ql:rFBt2YJUHb30LiJPCFSg2Uql
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect Amadey credential stealer module 2 IoCs
resource yara_rule behavioral2/files/0x0007000000022e2d-145.dat amadey_cred_module behavioral2/files/0x0007000000022e2d-146.dat amadey_cred_module - Blocklisted process makes network request 1 IoCs
flow pid Process 62 444 rundll32.exe - Downloads MZ/PE file
- Executes dropped EXE 3 IoCs
pid Process 4940 rovwer.exe 744 rovwer.exe 3492 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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation rovwer.exe - Loads dropped DLL 1 IoCs
pid Process 444 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-1-5-21-2629973501-4017243118-3254762364-1000\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 5064 4988 WerFault.exe 79 3380 744 WerFault.exe 94 1220 3492 WerFault.exe 97 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4768 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 444 rundll32.exe 444 rundll32.exe 444 rundll32.exe 444 rundll32.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4988 wrote to memory of 4940 4988 file.exe 80 PID 4988 wrote to memory of 4940 4988 file.exe 80 PID 4988 wrote to memory of 4940 4988 file.exe 80 PID 4940 wrote to memory of 4768 4940 rovwer.exe 84 PID 4940 wrote to memory of 4768 4940 rovwer.exe 84 PID 4940 wrote to memory of 4768 4940 rovwer.exe 84 PID 4940 wrote to memory of 444 4940 rovwer.exe 93 PID 4940 wrote to memory of 444 4940 rovwer.exe 93 PID 4940 wrote to memory of 444 4940 rovwer.exe 93 - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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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:4988 -
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:4940 -
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:4768
-
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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:444
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 9042⤵
- Program crash
PID:5064
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4988 -ip 49881⤵PID:5012
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
PID:744 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 744 -s 4242⤵
- Program crash
PID:3380
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 744 -ip 7441⤵PID:1876
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
PID:3492 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3492 -s 4202⤵
- Program crash
PID:1220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3492 -ip 34921⤵PID:4400
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
- Size 410KB
- SHA256 b50dc3ab23b8ff1ecf8762875b1a2e08c2dd6f2b42b831c302febac572bd770f
- MD5 41e24fed92aed9b598cb6f4423e9c0f1
- SHA1 d19a99cf8d31df54a04dc294d7496b909e7665cb
- SHA512 f6612db9b0e5f304421cd0318ea799a1f520c89bbf80c42704c7599ebb1a1616b5c58dd85b333b0e764496ff4fbdb2ffccf307ef958a95cc049ab7ed6cfc10a7
- SSDEEP 6144:rF1uqBLx2YJDglfkAb30LXfK04P3y4+NSt98XIpy2XwOu1ql:rFBt2YJUHb30LiJPCFSg2Uql
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
- Size 410KB
- SHA256 b50dc3ab23b8ff1ecf8762875b1a2e08c2dd6f2b42b831c302febac572bd770f
- MD5 41e24fed92aed9b598cb6f4423e9c0f1
- SHA1 d19a99cf8d31df54a04dc294d7496b909e7665cb
- SHA512 f6612db9b0e5f304421cd0318ea799a1f520c89bbf80c42704c7599ebb1a1616b5c58dd85b333b0e764496ff4fbdb2ffccf307ef958a95cc049ab7ed6cfc10a7
- SSDEEP 6144:rF1uqBLx2YJDglfkAb30LXfK04P3y4+NSt98XIpy2XwOu1ql:rFBt2YJUHb30LiJPCFSg2Uql
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
- Size 410KB
- SHA256 b50dc3ab23b8ff1ecf8762875b1a2e08c2dd6f2b42b831c302febac572bd770f
- MD5 41e24fed92aed9b598cb6f4423e9c0f1
- SHA1 d19a99cf8d31df54a04dc294d7496b909e7665cb
- SHA512 f6612db9b0e5f304421cd0318ea799a1f520c89bbf80c42704c7599ebb1a1616b5c58dd85b333b0e764496ff4fbdb2ffccf307ef958a95cc049ab7ed6cfc10a7
- SSDEEP 6144:rF1uqBLx2YJDglfkAb30LXfK04P3y4+NSt98XIpy2XwOu1ql:rFBt2YJUHb30LiJPCFSg2Uql
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
- Size 410KB
- SHA256 b50dc3ab23b8ff1ecf8762875b1a2e08c2dd6f2b42b831c302febac572bd770f
- MD5 41e24fed92aed9b598cb6f4423e9c0f1
- SHA1 d19a99cf8d31df54a04dc294d7496b909e7665cb
- SHA512 f6612db9b0e5f304421cd0318ea799a1f520c89bbf80c42704c7599ebb1a1616b5c58dd85b333b0e764496ff4fbdb2ffccf307ef958a95cc049ab7ed6cfc10a7
- SSDEEP 6144:rF1uqBLx2YJDglfkAb30LXfK04P3y4+NSt98XIpy2XwOu1ql:rFBt2YJUHb30LiJPCFSg2Uql
- 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