Analysis
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max time kernel
156s -
max time network
183s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2022 11:07
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
General
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Target
file.exe
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Size
209KB
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MD5
bebede721760bb01fec9a831b1a81ff1
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SHA1
4f8204edd4d53d878e9a47ec36f4d4be1962903b
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SHA256
e6dfff250936d9cfeac0a71fd1147d4b290e078ea382e52dba09516f35a1dc68
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SHA512
7e595d29ad8ef52aafba9cc162d2a042b70f81819242f01047c15e2bd430e1119b5a793119834a759f41720b0ee480a8d27b37e5100e4a098b5eab4b37d916c7
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SSDEEP
3072:Bp4WwqNbH3iGA+0OXW51o3/aDgMg+UmdhN5GFA/q6Ww0AitabmjjPf:w+9F0OUo3qg+DNAFAdj0RIy
Malware Config
Extracted
amadey
3.50
31.41.244.17/hfk3vK9/index.php
Signatures
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Detect Amadey credential stealer module 2 IoCs
resource yara_rule behavioral2/files/0x000a000000022e5d-152.dat amadey_cred_module behavioral2/files/0x000a000000022e5d-153.dat amadey_cred_module -
Blocklisted process makes network request 1 IoCs
flow pid Process 82 2592 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
pid Process 4352 gntuud.exe 1448 gntuud.exe 4088 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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation gntuud.exe -
Loads dropped DLL 1 IoCs
pid Process 2592 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.
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Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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.
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Program crash 3 IoCs
pid pid_target Process procid_target 3320 784 WerFault.exe 82 2248 1448 WerFault.exe 92 1824 4088 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 3368 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe 2592 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 784 wrote to memory of 4352 784 file.exe 86 PID 784 wrote to memory of 4352 784 file.exe 86 PID 784 wrote to memory of 4352 784 file.exe 86 PID 4352 wrote to memory of 3368 4352 gntuud.exe 88 PID 4352 wrote to memory of 3368 4352 gntuud.exe 88 PID 4352 wrote to memory of 3368 4352 gntuud.exe 88 PID 4352 wrote to memory of 2592 4352 gntuud.exe 96 PID 4352 wrote to memory of 2592 4352 gntuud.exe 96 PID 4352 wrote to memory of 2592 4352 gntuud.exe 96 -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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:784 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4352 -
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\3f904562a0\gntuud.exe" /F3⤵
- Creates scheduled task(s)
PID:3368
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
PID:2592
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 784 -s 11522⤵
- Program crash
PID:3320
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 784 -ip 7841⤵PID:2744
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:1448 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 4202⤵
- Program crash
PID:2248
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1448 -ip 14481⤵PID:3432
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:4088 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 4202⤵
- Program crash
PID:1824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4088 -ip 40881⤵PID:3920
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
209KB
MD5bebede721760bb01fec9a831b1a81ff1
SHA14f8204edd4d53d878e9a47ec36f4d4be1962903b
SHA256e6dfff250936d9cfeac0a71fd1147d4b290e078ea382e52dba09516f35a1dc68
SHA5127e595d29ad8ef52aafba9cc162d2a042b70f81819242f01047c15e2bd430e1119b5a793119834a759f41720b0ee480a8d27b37e5100e4a098b5eab4b37d916c7
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Filesize
209KB
MD5bebede721760bb01fec9a831b1a81ff1
SHA14f8204edd4d53d878e9a47ec36f4d4be1962903b
SHA256e6dfff250936d9cfeac0a71fd1147d4b290e078ea382e52dba09516f35a1dc68
SHA5127e595d29ad8ef52aafba9cc162d2a042b70f81819242f01047c15e2bd430e1119b5a793119834a759f41720b0ee480a8d27b37e5100e4a098b5eab4b37d916c7
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Filesize
209KB
MD5bebede721760bb01fec9a831b1a81ff1
SHA14f8204edd4d53d878e9a47ec36f4d4be1962903b
SHA256e6dfff250936d9cfeac0a71fd1147d4b290e078ea382e52dba09516f35a1dc68
SHA5127e595d29ad8ef52aafba9cc162d2a042b70f81819242f01047c15e2bd430e1119b5a793119834a759f41720b0ee480a8d27b37e5100e4a098b5eab4b37d916c7
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Filesize
209KB
MD5bebede721760bb01fec9a831b1a81ff1
SHA14f8204edd4d53d878e9a47ec36f4d4be1962903b
SHA256e6dfff250936d9cfeac0a71fd1147d4b290e078ea382e52dba09516f35a1dc68
SHA5127e595d29ad8ef52aafba9cc162d2a042b70f81819242f01047c15e2bd430e1119b5a793119834a759f41720b0ee480a8d27b37e5100e4a098b5eab4b37d916c7
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Filesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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Filesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d