Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
21/10/2022, 07:57
Static task
static1
Behavioral task
behavioral1
Sample
39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d.exe
Resource
win7-20220812-en
General
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Target
39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d.exe
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Size
643KB
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MD5
605a93b30ea97be7640741df15c59f30
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SHA1
dd288f8a90e938f790a9d24255a00d8ae7f02095
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SHA256
39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d
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SHA512
5e25cd0ceece72a6e6621030ef3c6a4bcc48df6bc025c6c9f54348e7b029667a5db46c80d3668a0df9fda38ce1ec673f2d0a15884b006d97ef091d96f27a4093
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SSDEEP
12288:Yr6aJ+NTA04rJ2qVdCLimCdPG4tugbedTBd47GLRMTb9:YTJ+y04rJTtxl+d474mf9
Malware Config
Extracted
cybergate
v1.07.5
asnet01
asnet.no-ip.biz:82
S7VJ18MU4B2P78
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enable_keylogger
true
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enable_message_box
false
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ftp_directory
./logs/
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ftp_interval
30
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injected_process
explorer.exe
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install_dir
Windows
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install_file
svchost.exe
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install_flag
true
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keylogger_enable_ftp
false
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message_box_caption
The windows extension is missing. Please check your Anti virus configuration.
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message_box_title
Error...!!!
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password
010187
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regkey_hkcu
HKCU
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regkey_hklm
HKLM
Signatures
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Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run cvtres.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\Windows\\svchost.exe" cvtres.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run cvtres.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\Windows\\svchost.exe" cvtres.exe -
Executes dropped EXE 3 IoCs
pid Process 4784 msconfig.exe 4544 svchost.exe 3092 svchost.exe -
Modifies Installed Components in the registry 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{SGFW0Q7I-G2X8-C67R-3QXT-R0PO43GGB374} cvtres.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{SGFW0Q7I-G2X8-C67R-3QXT-R0PO43GGB374}\StubPath = "C:\\Windows\\Windows\\svchost.exe Restart" cvtres.exe -
resource yara_rule behavioral2/memory/1220-148-0x0000000010410000-0x0000000010475000-memory.dmp upx behavioral2/memory/1220-153-0x0000000010480000-0x00000000104E5000-memory.dmp upx behavioral2/memory/1960-156-0x0000000010480000-0x00000000104E5000-memory.dmp upx behavioral2/memory/1960-162-0x0000000010480000-0x00000000104E5000-memory.dmp upx behavioral2/memory/1960-165-0x0000000010480000-0x00000000104E5000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d.exe -
Adds Run key to start application 2 TTPs 6 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\18.exe = "C:\\Users\\Admin\\AppData\\RoamingMicrosoft\\System\\Services\\18.exe" msconfig.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run cvtres.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\Windows\\svchost.exe" cvtres.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run cvtres.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\Windows\\svchost.exe" cvtres.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run msconfig.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4784 set thread context of 1220 4784 msconfig.exe 85 -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\Windows\svchost.exe cvtres.exe File opened for modification C:\Windows\Windows\ cvtres.exe File created C:\Windows\Windows\svchost.exe cvtres.exe File opened for modification C:\Windows\Windows\svchost.exe cvtres.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ cvtres.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4784 msconfig.exe 4784 msconfig.exe 4784 msconfig.exe 4784 msconfig.exe 4784 msconfig.exe 4784 msconfig.exe 4784 msconfig.exe 4784 msconfig.exe 4784 msconfig.exe 4784 msconfig.exe 4784 msconfig.exe 4784 msconfig.exe 1220 cvtres.exe 1220 cvtres.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1960 cvtres.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4784 msconfig.exe Token: SeBackupPrivilege 1960 cvtres.exe Token: SeRestorePrivilege 1960 cvtres.exe Token: SeDebugPrivilege 1960 cvtres.exe Token: SeDebugPrivilege 1960 cvtres.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3420 wrote to memory of 4784 3420 39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d.exe 84 PID 3420 wrote to memory of 4784 3420 39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d.exe 84 PID 3420 wrote to memory of 4784 3420 39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d.exe 84 PID 4784 wrote to memory of 1220 4784 msconfig.exe 85 PID 4784 wrote to memory of 1220 4784 msconfig.exe 85 PID 4784 wrote to memory of 1220 4784 msconfig.exe 85 PID 4784 wrote to memory of 1220 4784 msconfig.exe 85 PID 4784 wrote to memory of 1220 4784 msconfig.exe 85 PID 4784 wrote to memory of 1220 4784 msconfig.exe 85 PID 4784 wrote to memory of 1220 4784 msconfig.exe 85 PID 4784 wrote to memory of 1220 4784 msconfig.exe 85 PID 4784 wrote to memory of 1220 4784 msconfig.exe 85 PID 4784 wrote to memory of 1220 4784 msconfig.exe 85 PID 4784 wrote to memory of 1220 4784 msconfig.exe 85 PID 4784 wrote to memory of 1220 4784 msconfig.exe 85 PID 4784 wrote to memory of 1220 4784 msconfig.exe 85 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88 PID 1220 wrote to memory of 2008 1220 cvtres.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d.exe"C:\Users\Admin\AppData\Local\Temp\39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3420 -
C:\Users\Admin\AppData\Roaming\msconfig.exe"C:\Users\Admin\AppData\Roaming\msconfig.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4784 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe3⤵
- Adds policy Run key to start application
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"4⤵PID:2008
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe"4⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1960 -
C:\Windows\Windows\svchost.exe"C:\Windows\Windows\svchost.exe"5⤵
- Executes dropped EXE
PID:3092
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C:\Windows\Windows\svchost.exe"C:\Windows\Windows\svchost.exe"4⤵
- Executes dropped EXE
PID:4544
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
224KB
MD51ebadb23cde4b912c1c8a6513e0a7298
SHA1027149ae8451f959fa04b1dface3f7c1d6c570fa
SHA2567744e9d5735d681c4e09054d15cf899c1f53057191b6b64c2540305c84c5d799
SHA512721941d44292a1a3c7c4b8505da67d402b70ce9160547ee6aaafa0131ed93f7fdd4a9d586357c9232452fecd3414cbe936b55a443b1dceb12f768c3828e09edc
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Filesize
643KB
MD5605a93b30ea97be7640741df15c59f30
SHA1dd288f8a90e938f790a9d24255a00d8ae7f02095
SHA25639501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d
SHA5125e25cd0ceece72a6e6621030ef3c6a4bcc48df6bc025c6c9f54348e7b029667a5db46c80d3668a0df9fda38ce1ec673f2d0a15884b006d97ef091d96f27a4093
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Filesize
643KB
MD5605a93b30ea97be7640741df15c59f30
SHA1dd288f8a90e938f790a9d24255a00d8ae7f02095
SHA25639501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d
SHA5125e25cd0ceece72a6e6621030ef3c6a4bcc48df6bc025c6c9f54348e7b029667a5db46c80d3668a0df9fda38ce1ec673f2d0a15884b006d97ef091d96f27a4093
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Filesize
34KB
MD5e118330b4629b12368d91b9df6488be0
SHA1ce90218c7e3b90df2a3409ec253048bb6472c2fd
SHA2563a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9
SHA512ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0
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Filesize
34KB
MD5e118330b4629b12368d91b9df6488be0
SHA1ce90218c7e3b90df2a3409ec253048bb6472c2fd
SHA2563a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9
SHA512ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0
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Filesize
34KB
MD5e118330b4629b12368d91b9df6488be0
SHA1ce90218c7e3b90df2a3409ec253048bb6472c2fd
SHA2563a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9
SHA512ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0