Analysis
- max time kernel
107s - max time network
130s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
07/12/2022, 22:52
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 322KB
- Sample221207-2tdwcsbd71
- SHA256 160af97e68142c8ed61b395e43beda19186a513a1e96d5d282be377c3ef92fe7
- MD5 83d7560e37c5a2d3f891e0a568279005
- SHA1 a941483be8ea1e189f1111f9858322c88d94e8a8
- SHA512 17191a92442b1dd9675d7b3b9a583e8c34927df274d4bf7b6e15282d251ead2ba66ca935e9b88657f6a3aa84591faab5edcb996a6fa250f1f92725bbc3c11a3f
- SSDEEP 6144:Flhks4l76HF0PVP9ZKQVgcxH+s/5zN8Eilf:Flqs4xVVbxH+WN6l
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
amadey
Version
-
3.50
C2
-
31.41.244.237/jg94cVd30f/index.php
Signatures
- Detect Amadey credential stealer module 5 IoCs
resource yara_rule behavioral1/files/0x00070000000133e5-86.dat amadey_cred_module behavioral1/files/0x00070000000133e5-87.dat amadey_cred_module behavioral1/files/0x00070000000133e5-88.dat amadey_cred_module behavioral1/files/0x00070000000133e5-89.dat amadey_cred_module behavioral1/files/0x00070000000133e5-90.dat amadey_cred_module - Blocklisted process makes network request 1 IoCs
flow pid Process 5 1888 rundll32.exe - Executes dropped EXE 3 IoCs
pid Process 1588 gntuud.exe 1644 gntuud.exe 284 gntuud.exe - Loads dropped DLL 6 IoCs
pid Process 1944 file.exe 1944 file.exe 1888 rundll32.exe 1888 rundll32.exe 1888 rundll32.exe 1888 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-1-5-21-3845472200-3839195424-595303356-1000\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.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1368 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1888 rundll32.exe 1888 rundll32.exe 1888 rundll32.exe 1888 rundll32.exe - Suspicious use of WriteProcessMemory 51 IoCs
description pid Process procid_target PID 1944 wrote to memory of 1588 1944 file.exe 27 PID 1944 wrote to memory of 1588 1944 file.exe 27 PID 1944 wrote to memory of 1588 1944 file.exe 27 PID 1944 wrote to memory of 1588 1944 file.exe 27 PID 1588 wrote to memory of 1368 1588 gntuud.exe 28 PID 1588 wrote to memory of 1368 1588 gntuud.exe 28 PID 1588 wrote to memory of 1368 1588 gntuud.exe 28 PID 1588 wrote to memory of 1368 1588 gntuud.exe 28 PID 1588 wrote to memory of 988 1588 gntuud.exe 30 PID 1588 wrote to memory of 988 1588 gntuud.exe 30 PID 1588 wrote to memory of 988 1588 gntuud.exe 30 PID 1588 wrote to memory of 988 1588 gntuud.exe 30 PID 988 wrote to memory of 1132 988 cmd.exe 32 PID 988 wrote to memory of 1132 988 cmd.exe 32 PID 988 wrote to memory of 1132 988 cmd.exe 32 PID 988 wrote to memory of 1132 988 cmd.exe 32 PID 988 wrote to memory of 1216 988 cmd.exe 33 PID 988 wrote to memory of 1216 988 cmd.exe 33 PID 988 wrote to memory of 1216 988 cmd.exe 33 PID 988 wrote to memory of 1216 988 cmd.exe 33 PID 988 wrote to memory of 672 988 cmd.exe 34 PID 988 wrote to memory of 672 988 cmd.exe 34 PID 988 wrote to memory of 672 988 cmd.exe 34 PID 988 wrote to memory of 672 988 cmd.exe 34 PID 988 wrote to memory of 1624 988 cmd.exe 35 PID 988 wrote to memory of 1624 988 cmd.exe 35 PID 988 wrote to memory of 1624 988 cmd.exe 35 PID 988 wrote to memory of 1624 988 cmd.exe 35 PID 988 wrote to memory of 1876 988 cmd.exe 36 PID 988 wrote to memory of 1876 988 cmd.exe 36 PID 988 wrote to memory of 1876 988 cmd.exe 36 PID 988 wrote to memory of 1876 988 cmd.exe 36 PID 988 wrote to memory of 2016 988 cmd.exe 37 PID 988 wrote to memory of 2016 988 cmd.exe 37 PID 988 wrote to memory of 2016 988 cmd.exe 37 PID 988 wrote to memory of 2016 988 cmd.exe 37 PID 1164 wrote to memory of 1644 1164 taskeng.exe 41 PID 1164 wrote to memory of 1644 1164 taskeng.exe 41 PID 1164 wrote to memory of 1644 1164 taskeng.exe 41 PID 1164 wrote to memory of 1644 1164 taskeng.exe 41 PID 1588 wrote to memory of 1888 1588 gntuud.exe 42 PID 1588 wrote to memory of 1888 1588 gntuud.exe 42 PID 1588 wrote to memory of 1888 1588 gntuud.exe 42 PID 1588 wrote to memory of 1888 1588 gntuud.exe 42 PID 1588 wrote to memory of 1888 1588 gntuud.exe 42 PID 1588 wrote to memory of 1888 1588 gntuud.exe 42 PID 1588 wrote to memory of 1888 1588 gntuud.exe 42 PID 1164 wrote to memory of 284 1164 taskeng.exe 43 PID 1164 wrote to memory of 284 1164 taskeng.exe 43 PID 1164 wrote to memory of 284 1164 taskeng.exe 43 PID 1164 wrote to memory of 284 1164 taskeng.exe 43 - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1588 -
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\9c69749b54\gntuud.exe" /F3⤵
- Creates scheduled task(s)
PID:1368
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k echo Y|CACLS "gntuud.exe" /P "Admin:N"&&CACLS "gntuud.exe" /P "Admin:R" /E&&echo Y|CACLS "..\9c69749b54" /P "Admin:N"&&CACLS "..\9c69749b54" /P "Admin:R" /E&&Exit3⤵
- Suspicious use of WriteProcessMemory
PID:988 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"4⤵PID:1132
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C:\Windows\SysWOW64\cacls.exeCACLS "gntuud.exe" /P "Admin:N"4⤵PID:1216
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-
C:\Windows\SysWOW64\cacls.exeCACLS "gntuud.exe" /P "Admin:R" /E4⤵PID:672
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"4⤵PID:1624
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-
C:\Windows\SysWOW64\cacls.exeCACLS "..\9c69749b54" /P "Admin:N"4⤵PID:1876
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C:\Windows\SysWOW64\cacls.exeCACLS "..\9c69749b54" /P "Admin:R" /E4⤵PID:2016
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
PID:1888
-
-
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C:\Windows\system32\taskeng.exetaskeng.exe {F3431E12-1E8F-47CE-B416-D0C87B2694FC} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1164 -
C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exeC:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe2⤵
- Executes dropped EXE
PID:1644
-
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C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exeC:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe2⤵
- Executes dropped EXE
PID:284
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
- Size 322KB
- SHA256 160af97e68142c8ed61b395e43beda19186a513a1e96d5d282be377c3ef92fe7
- MD5 83d7560e37c5a2d3f891e0a568279005
- SHA1 a941483be8ea1e189f1111f9858322c88d94e8a8
- SHA512 17191a92442b1dd9675d7b3b9a583e8c34927df274d4bf7b6e15282d251ead2ba66ca935e9b88657f6a3aa84591faab5edcb996a6fa250f1f92725bbc3c11a3f
- SSDEEP 6144:Flhks4l76HF0PVP9ZKQVgcxH+s/5zN8Eilf:Flqs4xVVbxH+WN6l
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
- Size 322KB
- SHA256 160af97e68142c8ed61b395e43beda19186a513a1e96d5d282be377c3ef92fe7
- MD5 83d7560e37c5a2d3f891e0a568279005
- SHA1 a941483be8ea1e189f1111f9858322c88d94e8a8
- SHA512 17191a92442b1dd9675d7b3b9a583e8c34927df274d4bf7b6e15282d251ead2ba66ca935e9b88657f6a3aa84591faab5edcb996a6fa250f1f92725bbc3c11a3f
- SSDEEP 6144:Flhks4l76HF0PVP9ZKQVgcxH+s/5zN8Eilf:Flqs4xVVbxH+WN6l
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
- Size 322KB
- SHA256 160af97e68142c8ed61b395e43beda19186a513a1e96d5d282be377c3ef92fe7
- MD5 83d7560e37c5a2d3f891e0a568279005
- SHA1 a941483be8ea1e189f1111f9858322c88d94e8a8
- SHA512 17191a92442b1dd9675d7b3b9a583e8c34927df274d4bf7b6e15282d251ead2ba66ca935e9b88657f6a3aa84591faab5edcb996a6fa250f1f92725bbc3c11a3f
- SSDEEP 6144:Flhks4l76HF0PVP9ZKQVgcxH+s/5zN8Eilf:Flqs4xVVbxH+WN6l
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
- Size 322KB
- SHA256 160af97e68142c8ed61b395e43beda19186a513a1e96d5d282be377c3ef92fe7
- MD5 83d7560e37c5a2d3f891e0a568279005
- SHA1 a941483be8ea1e189f1111f9858322c88d94e8a8
- SHA512 17191a92442b1dd9675d7b3b9a583e8c34927df274d4bf7b6e15282d251ead2ba66ca935e9b88657f6a3aa84591faab5edcb996a6fa250f1f92725bbc3c11a3f
- SSDEEP 6144:Flhks4l76HF0PVP9ZKQVgcxH+s/5zN8Eilf:Flqs4xVVbxH+WN6l
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll
- Size 126KB
- SHA256 c7d804e8fb096769b0e199102bdf8efa97dfae1a9b57a479819971146877368b
- MD5 c0fd0167e213b6148333351bd16ed1fb
- SHA1 1cfb2b42686557656dead53e02d1db3f2a848026
- SHA512 d514f35e62a5380b4ad96a3e0cddf82b53b1cf273e5ac542f040f30a75efd3c246fa2194e4bb273572cd2436a435a608e2b919f6df9fa4ebbf452b0d297b0cf9
- SSDEEP 3072:Yx7pOYzBek53tiINwyP7XSSJds3zhrjPcnqULv4i9:Yx7ZNh53vwyOztPc3L
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
- Size 322KB
- SHA256 160af97e68142c8ed61b395e43beda19186a513a1e96d5d282be377c3ef92fe7
- MD5 83d7560e37c5a2d3f891e0a568279005
- SHA1 a941483be8ea1e189f1111f9858322c88d94e8a8
- SHA512 17191a92442b1dd9675d7b3b9a583e8c34927df274d4bf7b6e15282d251ead2ba66ca935e9b88657f6a3aa84591faab5edcb996a6fa250f1f92725bbc3c11a3f
- SSDEEP 6144:Flhks4l76HF0PVP9ZKQVgcxH+s/5zN8Eilf:Flqs4xVVbxH+WN6l
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
- Size 322KB
- SHA256 160af97e68142c8ed61b395e43beda19186a513a1e96d5d282be377c3ef92fe7
- MD5 83d7560e37c5a2d3f891e0a568279005
- SHA1 a941483be8ea1e189f1111f9858322c88d94e8a8
- SHA512 17191a92442b1dd9675d7b3b9a583e8c34927df274d4bf7b6e15282d251ead2ba66ca935e9b88657f6a3aa84591faab5edcb996a6fa250f1f92725bbc3c11a3f
- SSDEEP 6144:Flhks4l76HF0PVP9ZKQVgcxH+s/5zN8Eilf:Flqs4xVVbxH+WN6l
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll
- Size 126KB
- SHA256 c7d804e8fb096769b0e199102bdf8efa97dfae1a9b57a479819971146877368b
- MD5 c0fd0167e213b6148333351bd16ed1fb
- SHA1 1cfb2b42686557656dead53e02d1db3f2a848026
- SHA512 d514f35e62a5380b4ad96a3e0cddf82b53b1cf273e5ac542f040f30a75efd3c246fa2194e4bb273572cd2436a435a608e2b919f6df9fa4ebbf452b0d297b0cf9
- SSDEEP 3072:Yx7pOYzBek53tiINwyP7XSSJds3zhrjPcnqULv4i9:Yx7ZNh53vwyOztPc3L
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll
- Size 126KB
- SHA256 c7d804e8fb096769b0e199102bdf8efa97dfae1a9b57a479819971146877368b
- MD5 c0fd0167e213b6148333351bd16ed1fb
- SHA1 1cfb2b42686557656dead53e02d1db3f2a848026
- SHA512 d514f35e62a5380b4ad96a3e0cddf82b53b1cf273e5ac542f040f30a75efd3c246fa2194e4bb273572cd2436a435a608e2b919f6df9fa4ebbf452b0d297b0cf9
- SSDEEP 3072:Yx7pOYzBek53tiINwyP7XSSJds3zhrjPcnqULv4i9:Yx7ZNh53vwyOztPc3L
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll
- Size 126KB
- SHA256 c7d804e8fb096769b0e199102bdf8efa97dfae1a9b57a479819971146877368b
- MD5 c0fd0167e213b6148333351bd16ed1fb
- SHA1 1cfb2b42686557656dead53e02d1db3f2a848026
- SHA512 d514f35e62a5380b4ad96a3e0cddf82b53b1cf273e5ac542f040f30a75efd3c246fa2194e4bb273572cd2436a435a608e2b919f6df9fa4ebbf452b0d297b0cf9
- SSDEEP 3072:Yx7pOYzBek53tiINwyP7XSSJds3zhrjPcnqULv4i9:Yx7ZNh53vwyOztPc3L
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll
- Size 126KB
- SHA256 c7d804e8fb096769b0e199102bdf8efa97dfae1a9b57a479819971146877368b
- MD5 c0fd0167e213b6148333351bd16ed1fb
- SHA1 1cfb2b42686557656dead53e02d1db3f2a848026
- SHA512 d514f35e62a5380b4ad96a3e0cddf82b53b1cf273e5ac542f040f30a75efd3c246fa2194e4bb273572cd2436a435a608e2b919f6df9fa4ebbf452b0d297b0cf9
- SSDEEP 3072:Yx7pOYzBek53tiINwyP7XSSJds3zhrjPcnqULv4i9:Yx7ZNh53vwyOztPc3L
- MD5 SHA1 SHA512 SSDEEP