Analysis
- max time kernel
171s - max time network
181s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
08/11/2022, 19:16
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
14 signatures
150 seconds
General
- Target file.exe
- Size 222KB
- Sample221108-xyr7bsdca2
- SHA256 b59a69d292d78b9f198eb520135e4ebe78a6aea0a89af7702d524a09dc32a107
- MD5 ed0724b7c2a64dcfbd489a83afeacd01
- SHA1 a05dae5bc6029752c9c42a40411d768c5a88c14a
- SHA512 d7be7f7938f3307afa133087753e4e3ee94bc7ea276cc0d53ea0e190bd760473f1edd553c869c1e7a62ad74eb5cf06314530289314676eca02031b758cc706c5
- SSDEEP 3072:bowhxoLLto6MopR4KwLzYqnVqrKZTCNXEshRR8vw+A19uj19kkBmb4+zn:PeLto6MYwfYqnVlZON0Kiw/19uy4
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect Amadey credential stealer module 2 IoCs
resource yara_rule behavioral2/files/0x000b000000022e64-147.dat amadey_cred_module behavioral2/files/0x000b000000022e64-148.dat amadey_cred_module - Blocklisted process makes network request 1 IoCs
flow pid Process 40 1136 rundll32.exe - Executes dropped EXE 4 IoCs
pid Process 4892 rovwer.exe 2488 rovwer.exe 2568 rovwer.exe 4144 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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation rovwer.exe - Loads dropped DLL 1 IoCs
pid Process 1136 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-1-5-21-2295526160-1155304984-640977766-1000\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 4 IoCs
pid pid_target Process procid_target 4868 2492 WerFault.exe 78 4624 2488 WerFault.exe 85 3608 2568 WerFault.exe 95 2168 4144 WerFault.exe 98 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1256 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1136 rundll32.exe 1136 rundll32.exe 1136 rundll32.exe 1136 rundll32.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2492 wrote to memory of 4892 2492 file.exe 79 PID 2492 wrote to memory of 4892 2492 file.exe 79 PID 2492 wrote to memory of 4892 2492 file.exe 79 PID 4892 wrote to memory of 1256 4892 rovwer.exe 83 PID 4892 wrote to memory of 1256 4892 rovwer.exe 83 PID 4892 wrote to memory of 1256 4892 rovwer.exe 83 PID 4892 wrote to memory of 1136 4892 rovwer.exe 88 PID 4892 wrote to memory of 1136 4892 rovwer.exe 88 PID 4892 wrote to memory of 1136 4892 rovwer.exe 88 - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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:2492 -
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:4892 -
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:1256
-
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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:1136
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 11402⤵
- Program crash
PID:4868
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2492 -ip 24921⤵PID:4784
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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:2488 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 4202⤵
- Program crash
PID:4624
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2488 -ip 24881⤵PID:3532
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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:2568 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 4202⤵
- Program crash
PID:3608
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2568 -ip 25681⤵PID:1956
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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:4144 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4144 -s 4202⤵
- Program crash
PID:2168
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4144 -ip 41441⤵PID:3280
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
- Size 222KB
- SHA256 b59a69d292d78b9f198eb520135e4ebe78a6aea0a89af7702d524a09dc32a107
- MD5 ed0724b7c2a64dcfbd489a83afeacd01
- SHA1 a05dae5bc6029752c9c42a40411d768c5a88c14a
- SHA512 d7be7f7938f3307afa133087753e4e3ee94bc7ea276cc0d53ea0e190bd760473f1edd553c869c1e7a62ad74eb5cf06314530289314676eca02031b758cc706c5
- SSDEEP 3072:bowhxoLLto6MopR4KwLzYqnVqrKZTCNXEshRR8vw+A19uj19kkBmb4+zn:PeLto6MYwfYqnVlZON0Kiw/19uy4
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
- Size 222KB
- SHA256 b59a69d292d78b9f198eb520135e4ebe78a6aea0a89af7702d524a09dc32a107
- MD5 ed0724b7c2a64dcfbd489a83afeacd01
- SHA1 a05dae5bc6029752c9c42a40411d768c5a88c14a
- SHA512 d7be7f7938f3307afa133087753e4e3ee94bc7ea276cc0d53ea0e190bd760473f1edd553c869c1e7a62ad74eb5cf06314530289314676eca02031b758cc706c5
- SSDEEP 3072:bowhxoLLto6MopR4KwLzYqnVqrKZTCNXEshRR8vw+A19uj19kkBmb4+zn:PeLto6MYwfYqnVlZON0Kiw/19uy4
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
- Size 222KB
- SHA256 b59a69d292d78b9f198eb520135e4ebe78a6aea0a89af7702d524a09dc32a107
- MD5 ed0724b7c2a64dcfbd489a83afeacd01
- SHA1 a05dae5bc6029752c9c42a40411d768c5a88c14a
- SHA512 d7be7f7938f3307afa133087753e4e3ee94bc7ea276cc0d53ea0e190bd760473f1edd553c869c1e7a62ad74eb5cf06314530289314676eca02031b758cc706c5
- SSDEEP 3072:bowhxoLLto6MopR4KwLzYqnVqrKZTCNXEshRR8vw+A19uj19kkBmb4+zn:PeLto6MYwfYqnVlZON0Kiw/19uy4
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
- Size 222KB
- SHA256 b59a69d292d78b9f198eb520135e4ebe78a6aea0a89af7702d524a09dc32a107
- MD5 ed0724b7c2a64dcfbd489a83afeacd01
- SHA1 a05dae5bc6029752c9c42a40411d768c5a88c14a
- SHA512 d7be7f7938f3307afa133087753e4e3ee94bc7ea276cc0d53ea0e190bd760473f1edd553c869c1e7a62ad74eb5cf06314530289314676eca02031b758cc706c5
- SSDEEP 3072:bowhxoLLto6MopR4KwLzYqnVqrKZTCNXEshRR8vw+A19uj19kkBmb4+zn:PeLto6MYwfYqnVlZON0Kiw/19uy4
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
- Size 222KB
- SHA256 b59a69d292d78b9f198eb520135e4ebe78a6aea0a89af7702d524a09dc32a107
- MD5 ed0724b7c2a64dcfbd489a83afeacd01
- SHA1 a05dae5bc6029752c9c42a40411d768c5a88c14a
- SHA512 d7be7f7938f3307afa133087753e4e3ee94bc7ea276cc0d53ea0e190bd760473f1edd553c869c1e7a62ad74eb5cf06314530289314676eca02031b758cc706c5
- SSDEEP 3072:bowhxoLLto6MopR4KwLzYqnVqrKZTCNXEshRR8vw+A19uj19kkBmb4+zn:PeLto6MYwfYqnVlZON0Kiw/19uy4
- 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