Analysis
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max time kernel
129s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
05-02-2023 01:05
Static task
static1
Behavioral task
behavioral1
Sample
5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe
Resource
win10v2004-20221111-en
General
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Target
5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe
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Size
3.6MB
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MD5
36fd273ea7607d3a203f257f4e2649ed
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SHA1
5e243f79ecb539d0d1f75fce7ddfedeccee70a48
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SHA256
471d501162e2a5cb6aab3f4f5362ff843d05ef9f20d9fd7ea29733d3a9875747
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SHA512
cf81163bc6d1f1141130fbe70944387b97d322afe837ad21a88a0be8f9fd87615bd7022cc572b1783871cc99f224258bae75855e805c733793b723ba0483597d
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SSDEEP
98304:VQF9SqUKUehGS26Ish7MUTjA+1VFnqWXvqaY4:VSSzMGS26x1MUTM+/Fh
Malware Config
Extracted
aurora
45.9.74.11:8081
Signatures
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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 voiceadequovl.exe Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation voiceadequovl.exe -
Executes dropped EXE 4 IoCs
pid Process 3676 voiceadequovl.exe 3868 voiceadequovl.exe 4416 voiceadequovl.exe 4344 voiceadequovl.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce 5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" 5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3868 set thread context of 4344 3868 voiceadequovl.exe 97 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2612 powershell.exe 2612 powershell.exe 3868 voiceadequovl.exe 3868 voiceadequovl.exe 3148 powershell.exe 3148 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3868 voiceadequovl.exe Token: SeDebugPrivilege 2612 powershell.exe Token: SeDebugPrivilege 3148 powershell.exe -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 4684 wrote to memory of 3676 4684 5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe 81 PID 4684 wrote to memory of 3676 4684 5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe 81 PID 4684 wrote to memory of 3676 4684 5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe 81 PID 3676 wrote to memory of 3868 3676 voiceadequovl.exe 89 PID 3676 wrote to memory of 3868 3676 voiceadequovl.exe 89 PID 3676 wrote to memory of 3868 3676 voiceadequovl.exe 89 PID 3868 wrote to memory of 2612 3868 voiceadequovl.exe 91 PID 3868 wrote to memory of 2612 3868 voiceadequovl.exe 91 PID 3868 wrote to memory of 2612 3868 voiceadequovl.exe 91 PID 3868 wrote to memory of 5108 3868 voiceadequovl.exe 93 PID 3868 wrote to memory of 5108 3868 voiceadequovl.exe 93 PID 3868 wrote to memory of 5108 3868 voiceadequovl.exe 93 PID 5108 wrote to memory of 3148 5108 cmd.exe 95 PID 5108 wrote to memory of 3148 5108 cmd.exe 95 PID 5108 wrote to memory of 3148 5108 cmd.exe 95 PID 3868 wrote to memory of 4416 3868 voiceadequovl.exe 96 PID 3868 wrote to memory of 4416 3868 voiceadequovl.exe 96 PID 3868 wrote to memory of 4416 3868 voiceadequovl.exe 96 PID 3868 wrote to memory of 4344 3868 voiceadequovl.exe 97 PID 3868 wrote to memory of 4344 3868 voiceadequovl.exe 97 PID 3868 wrote to memory of 4344 3868 voiceadequovl.exe 97 PID 3868 wrote to memory of 4344 3868 voiceadequovl.exe 97 PID 3868 wrote to memory of 4344 3868 voiceadequovl.exe 97 PID 3868 wrote to memory of 4344 3868 voiceadequovl.exe 97 PID 3868 wrote to memory of 4344 3868 voiceadequovl.exe 97 PID 3868 wrote to memory of 4344 3868 voiceadequovl.exe 97 PID 3868 wrote to memory of 4344 3868 voiceadequovl.exe 97 PID 3868 wrote to memory of 4344 3868 voiceadequovl.exe 97 PID 3868 wrote to memory of 4344 3868 voiceadequovl.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe"C:\Users\Admin\AppData\Local\Temp\5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3676 -
C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe"C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3868 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwA1AA==4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2612
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==4⤵
- Suspicious use of WriteProcessMemory
PID:5108 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3148
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C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exeC:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe4⤵
- Executes dropped EXE
PID:4416
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C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exeC:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe4⤵
- Executes dropped EXE
PID:4344 -
C:\Windows\SysWOW64\Wbem\wmic.exewmic os get Caption5⤵PID:3896
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD54280e36a29fa31c01e4d8b2ba726a0d8
SHA1c485c2c9ce0a99747b18d899b71dfa9a64dabe32
SHA256e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359
SHA512494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4
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Filesize
53KB
MD506ad34f9739c5159b4d92d702545bd49
SHA19152a0d4f153f3f40f7e606be75f81b582ee0c17
SHA256474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba
SHA512c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92
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Filesize
16KB
MD57cfb05a78efa7f9beeec94a2adba2002
SHA14463dbab119112fc9809c7d9a03d09b9338d791d
SHA256fa127ccc6cc4b452021a0176840c582ca4f46be629cb760278944aa2d6258366
SHA5124b6f5adb602c1f373a2461cb474ce8acb018fbaf464952926abc7357df0004ff89008c30e204fa4b5a5e1c6f1192cc1c743dd20de6c51324958ff6ee2e3dc6f5
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Filesize
365.5MB
MD5ba50f2bca86ba947a8d2035bb9b35123
SHA1a542b5c5d41174dc2475a219978123b7d14f958f
SHA25617790c5c071280462ed8e617fd2edfff5bf0f40fb9add57f866f058fdbf24cb5
SHA51208fdb619e411247c571710bc47df2463c95dc2fee82025e548b65ff1a3e4a53e663fafec9bcc5cc234f32211b25f6f9472786c1be543eb71629f32ec09f04379
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Filesize
365.5MB
MD5ba50f2bca86ba947a8d2035bb9b35123
SHA1a542b5c5d41174dc2475a219978123b7d14f958f
SHA25617790c5c071280462ed8e617fd2edfff5bf0f40fb9add57f866f058fdbf24cb5
SHA51208fdb619e411247c571710bc47df2463c95dc2fee82025e548b65ff1a3e4a53e663fafec9bcc5cc234f32211b25f6f9472786c1be543eb71629f32ec09f04379
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Filesize
369.8MB
MD514a9737eb666769fee7c28a00eb14e82
SHA1ab8f2279f13a546fc32233a4da0855660fb07ec0
SHA256a5fda7973fc4b9cf7fa14943302c0b6cd81c7615105ab0031e20fc5ed2a2396a
SHA512973d5236da1979d31376d55f6b304fa166835d99a4574e3345e25ebed5b492cf9a3ae3f0a800d137fa8756288684b6d5c07ff97c8e5c2cbb698585f09373e9e7
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Filesize
369.8MB
MD514a9737eb666769fee7c28a00eb14e82
SHA1ab8f2279f13a546fc32233a4da0855660fb07ec0
SHA256a5fda7973fc4b9cf7fa14943302c0b6cd81c7615105ab0031e20fc5ed2a2396a
SHA512973d5236da1979d31376d55f6b304fa166835d99a4574e3345e25ebed5b492cf9a3ae3f0a800d137fa8756288684b6d5c07ff97c8e5c2cbb698585f09373e9e7
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Filesize
164.4MB
MD513fbde3deb528429265cbd21188c6fdb
SHA153881bc783c2e6e8449633fae450693375fa308b
SHA256debe94e326b4d327457fd6babdff174010ec5fa6e8003d14168df11325ba0207
SHA51208c45ed88c6053feb2b559d53388e27ff1d3cf60342291e2f4dbe81422674a35eee933dfd60b3f1bb6ce20c2f6a4588ca878ace9ecc4b4a965fe450ba7f9ae1b
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Filesize
162.9MB
MD5a04d6a629d4f997d1593d090d593735f
SHA1e5f8acdeb17c1e8fd60e4847575da686fe20fc31
SHA256cd18a83579f9af7d83466d315f30c9926965e016e14f1ffbab24948da049bb6b
SHA5120aa511b9478cf0f99247ba0a43bf13f1dc6b22d47bdcc02e6749e28c6d910beebf6ecc68562197f117411baf4076a9fbfe96ceb17d86875059798d73c952295e