Analysis
- max time kernel
150s - max time network
122s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system - submitted
25/01/2024, 05:49
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
73e4b574f7a058d63f9b35f74580a338.dll
Resource
win7-20231215-en
9 signatures
150 seconds
General
- Target 73e4b574f7a058d63f9b35f74580a338.dll
- Size 2.0MB
- Sample240125-gh63jsaaer
- SHA256 d8ae9023a64efcbaf60e37647a920cf6757fa96a6e1e7357d67a3ac970c86eca
- MD5 73e4b574f7a058d63f9b35f74580a338
- SHA1 4abd585b62be4d0a8efbd763891772521390c3f6
- SHA512 4e9aa099ae2b51d59db1818768b34662b8b812fdd37a26aa72bb7994b3219b34d1f0e14902154ae5c51eade8bdcf5bb0da7aa48fe23f7ca6de3c36974b4f5d97
- SSDEEP 12288:lVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1L:8fP7fWsK5z9A+WGAW+V5SB6Ct4bnb
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
-
resource yara_rule behavioral1/memory/1260-5-0x0000000002B10000-0x0000000002B11000-memory.dmp dridex_stager_shellcode - Executes dropped EXE 3 IoCs
pid Process 472 wermgr.exe 832 rstrui.exe 2984 SystemPropertiesDataExecutionPrevention.exe - Loads dropped DLL 7 IoCs
pid Process 1260 Process not Found 472 wermgr.exe 1260 Process not Found 832 rstrui.exe 1260 Process not Found 2984 SystemPropertiesDataExecutionPrevention.exe 1260 Process not Found - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\Zqonzshwxyr = "C:\\Users\\Admin\\AppData\\Roaming\\MICROS~1\\INTERN~1\\QUICKL~1\\USERPI~1\\TaskBar\\hbJZ\\rstrui.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rstrui.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA SystemPropertiesDataExecutionPrevention.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA wermgr.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2912 rundll32.exe 2912 rundll32.exe 2912 rundll32.exe 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1260 wrote to memory of 592 1260 Process not Found 28 PID 1260 wrote to memory of 592 1260 Process not Found 28 PID 1260 wrote to memory of 592 1260 Process not Found 28 PID 1260 wrote to memory of 472 1260 Process not Found 29 PID 1260 wrote to memory of 472 1260 Process not Found 29 PID 1260 wrote to memory of 472 1260 Process not Found 29 PID 1260 wrote to memory of 900 1260 Process not Found 30 PID 1260 wrote to memory of 900 1260 Process not Found 30 PID 1260 wrote to memory of 900 1260 Process not Found 30 PID 1260 wrote to memory of 832 1260 Process not Found 31 PID 1260 wrote to memory of 832 1260 Process not Found 31 PID 1260 wrote to memory of 832 1260 Process not Found 31 PID 1260 wrote to memory of 2724 1260 Process not Found 32 PID 1260 wrote to memory of 2724 1260 Process not Found 32 PID 1260 wrote to memory of 2724 1260 Process not Found 32 PID 1260 wrote to memory of 2984 1260 Process not Found 33 PID 1260 wrote to memory of 2984 1260 Process not Found 33 PID 1260 wrote to memory of 2984 1260 Process not Found 33 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\73e4b574f7a058d63f9b35f74580a338.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:2912
-
C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe1⤵PID:592
-
C:\Users\Admin\AppData\Local\XLifyUm\wermgr.exeC:\Users\Admin\AppData\Local\XLifyUm\wermgr.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:472
-
C:\Windows\system32\rstrui.exeC:\Windows\system32\rstrui.exe1⤵PID:900
-
C:\Users\Admin\AppData\Local\xjKeJ62\rstrui.exeC:\Users\Admin\AppData\Local\xjKeJ62\rstrui.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:832
-
C:\Windows\system32\SystemPropertiesDataExecutionPrevention.exeC:\Windows\system32\SystemPropertiesDataExecutionPrevention.exe1⤵PID:2724
-
C:\Users\Admin\AppData\Local\7uGmjl\SystemPropertiesDataExecutionPrevention.exeC:\Users\Admin\AppData\Local\7uGmjl\SystemPropertiesDataExecutionPrevention.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2984
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\7uGmjl\SYSDM.CPL
- Size 2.0MB
- SHA256 8a35965c5853e73e12e2e2d984dc925cefef77f5b210af628c95a49ae6409482
- MD5 4d7898b5c400a1cda32132e97e4f0fd8
- SHA1 067df1856188c2723795a4dc6a33c0986d4b05eb
- SHA512 49b6c484bcb8b329acfe111094ed1b115175714e67118123f504e79c3b2adad17005621783f23e0e0b9e59991ed9bdfed865d692e84b91607997a027074645f5
- SSDEEP 12288:JVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:ofP7fWsK5z9A+WGAW+V5SB6Ct4bnb
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\XLifyUm\wer.dll
- Size 896KB
- SHA256 dad49aea079a2ac37d3da85e977dc4dd865594ad64e52bdf7cea2be2382f477a
- MD5 d9a378b4f5fb16a14724aa1ccc404938
- SHA1 1511dea6cd032488cdfb7e458adfee99ec2f552b
- SHA512 bfaa037331de080eb6cd89bc45fc8dc97c391a96d1d88662d7eac2951593d5cab958a39c74567b90608cf2cbb16f93e8fe782e174210fa0dbc25c41effcc3e22
- SSDEEP 12288:YVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:NfP7fWsK5z9A+WGAW+V5SB6Ct4bnb
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\XLifyUm\wermgr.exe
- Size 49KB
- SHA256 207bfec939e7c017c4704ba76172ee2c954f485ba593bc1bc8c7666e78251861
- MD5 41df7355a5a907e2c1d7804ec028965d
- SHA1 453263d230c6317eb4a2eb3aceeec1bbcf5e153d
- SHA512 59c9d69d3942543af4f387137226516adec1a4304bd5696c6c1d338f9e5f40d136450907351cce018563df1358e06a792005167f5c08c689df32d809c4cebdcf
- SSDEEP 768:3H0fKFTFmy+hzFiQ6eKt9FjyfiN4mV2atQ5Izt9amJEkCCxnwQ+zwqlqxENo12QD:WKjmyK3ct9FjyKNf275Ink+hRpRcQ48
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\xjKeJ62\rstrui.exe
- Size 290KB
- SHA256 ba8387d4543b8b11e2202919b9608ee614753fe77f967aad9906702841658b49
- MD5 3db5a1eace7f3049ecc49fa64461e254
- SHA1 7dc64e4f75741b93804cbae365e10dc70592c6a9
- SHA512 ea81e3233e382f1cf2938785c9ded7c8fbbf11a6a6f5cf4323e3211ae66dad4a2c597cb589ff11f9eae79516043aba77d4b24bfa6eb0aa045d405aabdea4a025
- SSDEEP 6144:Qu7h58osz+0qLF+GcdNutUeJpD/f/a4angc2+UvQ/KpmOq:N7TPsz+0qZncdNO/fy4K6vQ/Kp
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Ercyejwqgvsruoy.lnk
- Size 1KB
- SHA256 26db2f7976ae3bc3432af7508ae271c09f1b8ed4ec9c0b4398ca66ca0850d828
- MD5 d63ce2369919ec7fc9e45ea777e80bfd
- SHA1 d6c55ed701aa22cbb19094f49e2f1a935d014be3
- SHA512 9b2ecc840f2a5435f3a3e9e660c9ef9c342ae260aaed6e728a1857e2221f5bb985378413f4e597b46d6eb7cec3701c664b4c92d23ebf06da3a333dfd37ff10ef
- MD5 SHA1 SHA512
- Path \Users\Admin\AppData\Local\7uGmjl\SystemPropertiesDataExecutionPrevention.exe
- Size 80KB
- SHA256 c8e1b3ecce673035a934d65b25c43ec23416f5bbf52d772e24e48e6fd3e77e9b
- MD5 e43ff7785fac643093b3b16a9300e133
- SHA1 a30688e84c0b0a22669148fe87680b34fcca2fba
- SHA512 61260999bb57817dea2d404bcf093820679e597298c752d38db181fe9963b5fa47e070d6a3c7c970905035b396389bb02946b44869dc8b9560acc419b065999a
- SSDEEP 1536:7lpgtREC/rMcgEPJV+G57ThjEC0kzJP+V5JR:3gzECTMpuDhjRVJGf
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\XLifyUm\wer.dll
- Size 2.0MB
- SHA256 1b087df372b266660ff9e4ec7b67806fe8141505aa748e29b7c58713c599bf87
- MD5 831fa0fe191640a1bc81189c5c968840
- SHA1 af019f60c44d8f0d82015ef1ff07ff68e2b2e192
- SHA512 91fde0d1a0922036b3e5012ab2215d24dcef91b236d0d36bc27281a3fb1fde617df094a411506e000920041c9b43d49062ece6a8f3449387a7c467ea00a78129
- SSDEEP 12288:YVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:NfP7fWsK5z9A+WGAW+V5SB6Ct4bnb
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\xjKeJ62\SRCORE.dll
- Size 2.0MB
- SHA256 ea2b6bcb30e8f47ca03385db20bbd7d89db4d553b32727e62de50c06c6daae67
- MD5 2eb76e230d7e1f6c60065648223eaed3
- SHA1 f74dddeadd438788e12848fc6e70395ee88a897c
- SHA512 fa06118bbeed663f6f48d9514c63d065c710815d797e4ba32c60fe4d059a43aad45b67ef73a7ca1f88cca27d94afc3ec15d8810ffe8314135895a0669886a23f
- SSDEEP 12288:2VI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:rfP7fWsK5z9A+WGAW+V5SB6Ct4bnb
- MD5 SHA1 SHA512 SSDEEP