Analysis
- max time kernel
86s - max time network
151s - platform
windows10_x64 - resource
win10v20210408 - submitted
07/06/2021, 18:57
Static task
static1
Behavioral task
behavioral1
Sample
e2e69d2a14b7ae74e526f7c52f61d2b0.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
e2e69d2a14b7ae74e526f7c52f61d2b0.exe
Resource
win10v20210408
General
- Target e2e69d2a14b7ae74e526f7c52f61d2b0.exe
- Size 810KB
- Sample210607-n7zp2sqlk6
- SHA256 0003c4ac06a2ae23eff788a3ff179174f588fbf28e876621c64943aa5db072e8
- MD5 e2e69d2a14b7ae74e526f7c52f61d2b0
- SHA1 b4a263ad82a3e31ded3cb5e7614d086f6021ed24
- SHA512 9eb0c543ab3caee163ed0f530518d2b0fb4b7ba0a0db4cb0af893b6fd2a75eaf6921f2d601247ede87eaed9e5da510c71ee4ce90a27bea684f32ae1b101c2722
- MD5 SHA1 SHA512
Malware Config
Extracted
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vidar
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39.3
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517
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https://bandakere.tumblr.com
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profile_id
517
Signatures
- Deletes Windows Defender Definitions 2 TTPs 1 IoCs
Uses mpcmdrun utility to delete all AV definitions.
pid Process 2012 mpcmdrun.exe - Djvu Ransomware
Ransomware which is a variant of the STOP family.
- Vidar Stealer 4 IoCs
resource yara_rule behavioral2/memory/3140-142-0x0000000002160000-0x00000000021F8000-memory.dmp family_vidar behavioral2/memory/3104-144-0x00000000004680AD-mapping.dmp family_vidar behavioral2/memory/3104-143-0x0000000000400000-0x000000000049B000-memory.dmp family_vidar behavioral2/memory/3104-146-0x0000000000400000-0x000000000049B000-memory.dmp family_vidar - Disables Task Manager via registry modification
- Downloads MZ/PE file
- Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts updatewin2.exe - Executes dropped EXE 5 IoCs
pid Process 3228 updatewin1.exe 1004 updatewin2.exe 3140 5.exe 3268 updatewin1.exe 3104 5.exe - Loads dropped DLL 2 IoCs
pid Process 3104 5.exe 3104 5.exe - Modifies file permissions 1 TTPs 1 IoCs
pid Process 188 icacls.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\369cfe4c-bdaf-454f-8dcb-db1dfec1670b\\e2e69d2a14b7ae74e526f7c52f61d2b0.exe\" --AutoStart" e2e69d2a14b7ae74e526f7c52f61d2b0.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 10 api.2ip.ua 11 api.2ip.ua 21 api.2ip.ua - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 648 set thread context of 2524 648 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 76 PID 2836 set thread context of 1512 2836 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 81 PID 3140 set thread context of 3104 3140 5.exe 86 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 5.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 5.exe - Delays execution with timeout.exe 1 IoCs
pid Process 1208 timeout.exe - Kills process with taskkill 1 IoCs
pid Process 2000 taskkill.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 e2e69d2a14b7ae74e526f7c52f61d2b0.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 e2e69d2a14b7ae74e526f7c52f61d2b0.exe - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2524 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 2524 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 1512 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 1512 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 3104 5.exe 3104 5.exe 3104 5.exe 3104 5.exe 3104 5.exe 3104 5.exe 3104 5.exe 3104 5.exe 3920 powershell.exe 3920 powershell.exe 3920 powershell.exe 3920 powershell.exe 868 powershell.exe 868 powershell.exe 868 powershell.exe 3244 powershell.exe 3244 powershell.exe 3244 powershell.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3920 powershell.exe Token: SeDebugPrivilege 2000 taskkill.exe Token: SeDebugPrivilege 868 powershell.exe Token: SeDebugPrivilege 3244 powershell.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 648 wrote to memory of 2524 648 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 76 PID 648 wrote to memory of 2524 648 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 76 PID 648 wrote to memory of 2524 648 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 76 PID 648 wrote to memory of 2524 648 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 76 PID 648 wrote to memory of 2524 648 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 76 PID 648 wrote to memory of 2524 648 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 76 PID 648 wrote to memory of 2524 648 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 76 PID 648 wrote to memory of 2524 648 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 76 PID 648 wrote to memory of 2524 648 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 76 PID 648 wrote to memory of 2524 648 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 76 PID 2524 wrote to memory of 188 2524 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 77 PID 2524 wrote to memory of 188 2524 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 77 PID 2524 wrote to memory of 188 2524 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 77 PID 2524 wrote to memory of 2836 2524 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 78 PID 2524 wrote to memory of 2836 2524 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 78 PID 2524 wrote to memory of 2836 2524 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 78 PID 2836 wrote to memory of 1512 2836 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 81 PID 2836 wrote to memory of 1512 2836 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 81 PID 2836 wrote to memory of 1512 2836 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 81 PID 2836 wrote to memory of 1512 2836 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 81 PID 2836 wrote to memory of 1512 2836 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 81 PID 2836 wrote to memory of 1512 2836 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 81 PID 2836 wrote to memory of 1512 2836 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 81 PID 2836 wrote to memory of 1512 2836 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 81 PID 2836 wrote to memory of 1512 2836 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 81 PID 2836 wrote to memory of 1512 2836 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 81 PID 1512 wrote to memory of 3228 1512 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 82 PID 1512 wrote to memory of 3228 1512 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 82 PID 1512 wrote to memory of 3228 1512 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 82 PID 1512 wrote to memory of 1004 1512 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 83 PID 1512 wrote to memory of 1004 1512 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 83 PID 1512 wrote to memory of 1004 1512 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 83 PID 1512 wrote to memory of 3140 1512 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 84 PID 1512 wrote to memory of 3140 1512 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 84 PID 1512 wrote to memory of 3140 1512 e2e69d2a14b7ae74e526f7c52f61d2b0.exe 84 PID 3228 wrote to memory of 3268 3228 updatewin1.exe 85 PID 3228 wrote to memory of 3268 3228 updatewin1.exe 85 PID 3228 wrote to memory of 3268 3228 updatewin1.exe 85 PID 3140 wrote to memory of 3104 3140 5.exe 86 PID 3140 wrote to memory of 3104 3140 5.exe 86 PID 3140 wrote to memory of 3104 3140 5.exe 86 PID 3140 wrote to memory of 3104 3140 5.exe 86 PID 3140 wrote to memory of 3104 3140 5.exe 86 PID 3140 wrote to memory of 3104 3140 5.exe 86 PID 3140 wrote to memory of 3104 3140 5.exe 86 PID 3140 wrote to memory of 3104 3140 5.exe 86 PID 3268 wrote to memory of 3920 3268 updatewin1.exe 87 PID 3268 wrote to memory of 3920 3268 updatewin1.exe 87 PID 3268 wrote to memory of 3920 3268 updatewin1.exe 87 PID 3104 wrote to memory of 3744 3104 5.exe 89 PID 3104 wrote to memory of 3744 3104 5.exe 89 PID 3104 wrote to memory of 3744 3104 5.exe 89 PID 3744 wrote to memory of 2000 3744 cmd.exe 91 PID 3744 wrote to memory of 2000 3744 cmd.exe 91 PID 3744 wrote to memory of 2000 3744 cmd.exe 91 PID 3744 wrote to memory of 1208 3744 cmd.exe 93 PID 3744 wrote to memory of 1208 3744 cmd.exe 93 PID 3744 wrote to memory of 1208 3744 cmd.exe 93 PID 3268 wrote to memory of 868 3268 updatewin1.exe 94 PID 3268 wrote to memory of 868 3268 updatewin1.exe 94 PID 3268 wrote to memory of 868 3268 updatewin1.exe 94 PID 868 wrote to memory of 3244 868 powershell.exe 96 PID 868 wrote to memory of 3244 868 powershell.exe 96 PID 868 wrote to memory of 3244 868 powershell.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\e2e69d2a14b7ae74e526f7c52f61d2b0.exe"C:\Users\Admin\AppData\Local\Temp\e2e69d2a14b7ae74e526f7c52f61d2b0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:648 -
C:\Users\Admin\AppData\Local\Temp\e2e69d2a14b7ae74e526f7c52f61d2b0.exe"C:\Users\Admin\AppData\Local\Temp\e2e69d2a14b7ae74e526f7c52f61d2b0.exe"2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\369cfe4c-bdaf-454f-8dcb-db1dfec1670b" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:188
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C:\Users\Admin\AppData\Local\Temp\e2e69d2a14b7ae74e526f7c52f61d2b0.exe"C:\Users\Admin\AppData\Local\Temp\e2e69d2a14b7ae74e526f7c52f61d2b0.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Users\Admin\AppData\Local\Temp\e2e69d2a14b7ae74e526f7c52f61d2b0.exe"C:\Users\Admin\AppData\Local\Temp\e2e69d2a14b7ae74e526f7c52f61d2b0.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1512 -
C:\Users\Admin\AppData\Local\bbb48b9f-ccf3-4cb5-9645-f3f1951e73f2\updatewin1.exe"C:\Users\Admin\AppData\Local\bbb48b9f-ccf3-4cb5-9645-f3f1951e73f2\updatewin1.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3228 -
C:\Users\Admin\AppData\Local\bbb48b9f-ccf3-4cb5-9645-f3f1951e73f2\updatewin1.exe"C:\Users\Admin\AppData\Local\bbb48b9f-ccf3-4cb5-9645-f3f1951e73f2\updatewin1.exe" --Admin6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command Set-ExecutionPolicy -Scope CurrentUser RemoteSigned7⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3920
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -NoProfile -ExecutionPolicy Bypass -Command "& {Start-Process PowerShell -ArgumentList '-NoProfile -ExecutionPolicy Bypass -File ""C:\Users\Admin\AppData\Local\script.ps1""' -Verb RunAs}"7⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:868 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\script.ps18⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3244
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C:\Program Files\Windows Defender\mpcmdrun.exe"C:\Program Files\Windows Defender\mpcmdrun.exe" -removedefinitions -all7⤵
- Deletes Windows Defender Definitions
PID:2012
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\delself.bat""7⤵PID:3668
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C:\Users\Admin\AppData\Local\bbb48b9f-ccf3-4cb5-9645-f3f1951e73f2\updatewin2.exe"C:\Users\Admin\AppData\Local\bbb48b9f-ccf3-4cb5-9645-f3f1951e73f2\updatewin2.exe"5⤵
- Drops file in Drivers directory
- Executes dropped EXE
PID:1004
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C:\Users\Admin\AppData\Local\bbb48b9f-ccf3-4cb5-9645-f3f1951e73f2\5.exe"C:\Users\Admin\AppData\Local\bbb48b9f-ccf3-4cb5-9645-f3f1951e73f2\5.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3140 -
C:\Users\Admin\AppData\Local\bbb48b9f-ccf3-4cb5-9645-f3f1951e73f2\5.exe"C:\Users\Admin\AppData\Local\bbb48b9f-ccf3-4cb5-9645-f3f1951e73f2\5.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3104 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im 5.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\bbb48b9f-ccf3-4cb5-9645-f3f1951e73f2\5.exe" & del C:\ProgramData\*.dll & exit7⤵
- Suspicious use of WriteProcessMemory
PID:3744 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im 5.exe /f8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2000
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C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
PID:1208
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