Analysis
- max time kernel
102s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
07/12/2022, 11:31
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 322KB
- Sample221207-nmpsdscd93
- SHA256 30ab7ef804e070fd9a1e4e3d884b454accf066337a18408fa570cd53b222ef55
- MD5 516c90fd646c086bce0628811454ed6f
- SHA1 2b030798cc586261ade53861bde5b12ceadd091f
- SHA512 1170564d49bd384a1996cecd7edf7ae87a16c6b426f12faa59decce7af351d0be4e1c7fee8e962b5cc204c87b238fb252b53141866d5e619b59341d7abd85633
- SSDEEP 6144:lJSqI+r1+T74tZQ2/EIHnY2fliPusZ00:lgqIXwHY2d8us
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
amadey
Version
-
3.50
C2
-
77.73.133.72/hfk3vK9/index.php
Signatures
- Detect Amadey credential stealer module 2 IoCs
resource yara_rule behavioral2/files/0x000b000000022f98-149.dat amadey_cred_module behavioral2/files/0x000b000000022f98-150.dat amadey_cred_module - Blocklisted process makes network request 1 IoCs
flow pid Process 38 4740 rundll32.exe - Downloads MZ/PE file
- Executes dropped EXE 3 IoCs
pid Process 4168 gntuud.exe 2204 gntuud.exe 1340 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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation gntuud.exe - Loads dropped DLL 1 IoCs
pid Process 4740 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-1-5-21-2891029575-1462575-1165213807-1000\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 2692 976 WerFault.exe 79 2876 2204 WerFault.exe 93 2984 1340 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 4572 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4740 rundll32.exe 4740 rundll32.exe 4740 rundll32.exe 4740 rundll32.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 976 wrote to memory of 4168 976 file.exe 80 PID 976 wrote to memory of 4168 976 file.exe 80 PID 976 wrote to memory of 4168 976 file.exe 80 PID 4168 wrote to memory of 4572 4168 gntuud.exe 83 PID 4168 wrote to memory of 4572 4168 gntuud.exe 83 PID 4168 wrote to memory of 4572 4168 gntuud.exe 83 PID 4168 wrote to memory of 4740 4168 gntuud.exe 96 PID 4168 wrote to memory of 4740 4168 gntuud.exe 96 PID 4168 wrote to memory of 4740 4168 gntuud.exe 96 - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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:976 -
C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4168 -
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\ecaac49691\gntuud.exe" /F3⤵
- Creates scheduled task(s)
PID:4572
-
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
PID:4740
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 976 -s 11402⤵
- Program crash
PID:2692
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 976 -ip 9761⤵PID:4212
-
C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exeC:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe1⤵
- Executes dropped EXE
PID:2204 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 1802⤵
- Program crash
PID:2876
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2204 -ip 22041⤵PID:5036
-
C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exeC:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe1⤵
- Executes dropped EXE
PID:1340 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1340 -s 4202⤵
- Program crash
PID:2984
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1340 -ip 13401⤵PID:2368
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
- Size 322KB
- SHA256 30ab7ef804e070fd9a1e4e3d884b454accf066337a18408fa570cd53b222ef55
- MD5 516c90fd646c086bce0628811454ed6f
- SHA1 2b030798cc586261ade53861bde5b12ceadd091f
- SHA512 1170564d49bd384a1996cecd7edf7ae87a16c6b426f12faa59decce7af351d0be4e1c7fee8e962b5cc204c87b238fb252b53141866d5e619b59341d7abd85633
- SSDEEP 6144:lJSqI+r1+T74tZQ2/EIHnY2fliPusZ00:lgqIXwHY2d8us
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
- Size 322KB
- SHA256 30ab7ef804e070fd9a1e4e3d884b454accf066337a18408fa570cd53b222ef55
- MD5 516c90fd646c086bce0628811454ed6f
- SHA1 2b030798cc586261ade53861bde5b12ceadd091f
- SHA512 1170564d49bd384a1996cecd7edf7ae87a16c6b426f12faa59decce7af351d0be4e1c7fee8e962b5cc204c87b238fb252b53141866d5e619b59341d7abd85633
- SSDEEP 6144:lJSqI+r1+T74tZQ2/EIHnY2fliPusZ00:lgqIXwHY2d8us
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
- Size 322KB
- SHA256 30ab7ef804e070fd9a1e4e3d884b454accf066337a18408fa570cd53b222ef55
- MD5 516c90fd646c086bce0628811454ed6f
- SHA1 2b030798cc586261ade53861bde5b12ceadd091f
- SHA512 1170564d49bd384a1996cecd7edf7ae87a16c6b426f12faa59decce7af351d0be4e1c7fee8e962b5cc204c87b238fb252b53141866d5e619b59341d7abd85633
- SSDEEP 6144:lJSqI+r1+T74tZQ2/EIHnY2fliPusZ00:lgqIXwHY2d8us
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
- Size 322KB
- SHA256 30ab7ef804e070fd9a1e4e3d884b454accf066337a18408fa570cd53b222ef55
- MD5 516c90fd646c086bce0628811454ed6f
- SHA1 2b030798cc586261ade53861bde5b12ceadd091f
- SHA512 1170564d49bd384a1996cecd7edf7ae87a16c6b426f12faa59decce7af351d0be4e1c7fee8e962b5cc204c87b238fb252b53141866d5e619b59341d7abd85633
- SSDEEP 6144:lJSqI+r1+T74tZQ2/EIHnY2fliPusZ00:lgqIXwHY2d8us
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll
- Size 126KB
- SHA256 5cd41f164de6f783b7da82b5f6dbd49413eccd87cc7470f2004d58ca081fb0e0
- MD5 349b2b47fef50fa6a1fc19d0ee4b2db8
- SHA1 077f4328b3f060a9f010b1a63d9e127d24ddafd4
- SHA512 83fd58be4c0051ed05b7a03443d256d52f09206d2f433bd302c9e9e3780b9d472e823aed1db01b5052dc8fdc63a4352beac9e399858a8252c057f11cf2bd1773
- SSDEEP 3072:ox7pOYzBekTRmWDWCMq6As523HeS9FAiZ87vO2rlL3RnG9:ox7ZNhTR/dMq6AO0a7vVlT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll
- Size 126KB
- SHA256 5cd41f164de6f783b7da82b5f6dbd49413eccd87cc7470f2004d58ca081fb0e0
- MD5 349b2b47fef50fa6a1fc19d0ee4b2db8
- SHA1 077f4328b3f060a9f010b1a63d9e127d24ddafd4
- SHA512 83fd58be4c0051ed05b7a03443d256d52f09206d2f433bd302c9e9e3780b9d472e823aed1db01b5052dc8fdc63a4352beac9e399858a8252c057f11cf2bd1773
- SSDEEP 3072:ox7pOYzBekTRmWDWCMq6As523HeS9FAiZ87vO2rlL3RnG9:ox7ZNhTR/dMq6AO0a7vVlT
- MD5 SHA1 SHA512 SSDEEP