Analysis
- max time kernel
152s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
26/03/2024, 22:01
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8c1ba7ad8bea1a9208050b8f2b061cf1199505825b6bd775e83d5f513e22b5de.dll
Resource
win7-20240221-en
10 signatures
150 seconds
General
- Target 8c1ba7ad8bea1a9208050b8f2b061cf1199505825b6bd775e83d5f513e22b5de.dll
- Size 792KB
- Sample240326-1xgwrade63
- SHA256 8c1ba7ad8bea1a9208050b8f2b061cf1199505825b6bd775e83d5f513e22b5de
- MD5 9a3fabefd5e5e5dc397a62a7490c362e
- SHA1 a9e99139455d4d8c80407363282e163898a62df9
- SHA512 3a301dd39df7ac1e12a30e84000b227078451d975c96c72fa40d4fb0aba13623fc3a9785e28e975dfa72e8b24c7b9701b2a974849304d8f4802c83c01ed3f330
- SSDEEP 12288:YBim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN:E/nts0Q9K/0ooRQIxAk2wi0N/
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/3376-3-0x0000000002CE0000-0x0000000002CE1000-memory.dmp dridex_stager_shellcode -
resource yara_rule behavioral2/memory/4540-0-0x00007FFEA45B0000-0x00007FFEA4676000-memory.dmp dridex_payload behavioral2/memory/3376-29-0x0000000140000000-0x00000001400C6000-memory.dmp dridex_payload behavioral2/memory/3376-36-0x0000000140000000-0x00000001400C6000-memory.dmp dridex_payload behavioral2/memory/3376-47-0x0000000140000000-0x00000001400C6000-memory.dmp dridex_payload behavioral2/memory/4540-50-0x00007FFEA45B0000-0x00007FFEA4676000-memory.dmp dridex_payload behavioral2/memory/4512-65-0x00007FFE93EC0000-0x00007FFE93F87000-memory.dmp dridex_payload behavioral2/memory/4512-70-0x00007FFE93EC0000-0x00007FFE93F87000-memory.dmp dridex_payload behavioral2/memory/4304-86-0x00007FFE93EC0000-0x00007FFE93F87000-memory.dmp dridex_payload behavioral2/memory/2056-102-0x00007FFE93EC0000-0x00007FFE93F87000-memory.dmp dridex_payload - Executes dropped EXE 4 IoCs
pid Process 1876 consent.exe 4512 Dxpserver.exe 4304 perfmon.exe 2056 msra.exe - Loads dropped DLL 3 IoCs
pid Process 4512 Dxpserver.exe 4304 perfmon.exe 2056 msra.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Xcdbzlxvqxxhz = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Proof\\Q0upV\\perfmon.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Dxpserver.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA perfmon.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA msra.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4540 rundll32.exe 4540 rundll32.exe 4540 rundll32.exe 4540 rundll32.exe 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found 3376 Process not Found - Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 3376 wrote to memory of 932 3376 Process not Found 98 PID 3376 wrote to memory of 932 3376 Process not Found 98 PID 3376 wrote to memory of 1876 3376 Process not Found 99 PID 3376 wrote to memory of 1876 3376 Process not Found 99 PID 3376 wrote to memory of 4628 3376 Process not Found 100 PID 3376 wrote to memory of 4628 3376 Process not Found 100 PID 3376 wrote to memory of 4512 3376 Process not Found 101 PID 3376 wrote to memory of 4512 3376 Process not Found 101 PID 3376 wrote to memory of 3356 3376 Process not Found 104 PID 3376 wrote to memory of 3356 3376 Process not Found 104 PID 3376 wrote to memory of 4304 3376 Process not Found 105 PID 3376 wrote to memory of 4304 3376 Process not Found 105 PID 3376 wrote to memory of 2792 3376 Process not Found 109 PID 3376 wrote to memory of 2792 3376 Process not Found 109 PID 3376 wrote to memory of 2056 3376 Process not Found 110 PID 3376 wrote to memory of 2056 3376 Process not Found 110 - 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\8c1ba7ad8bea1a9208050b8f2b061cf1199505825b6bd775e83d5f513e22b5de.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:4540
-
C:\Windows\system32\consent.exeC:\Windows\system32\consent.exe1⤵PID:932
-
C:\Users\Admin\AppData\Local\MYWzv\consent.exeC:\Users\Admin\AppData\Local\MYWzv\consent.exe1⤵
- Executes dropped EXE
PID:1876
-
C:\Windows\system32\Dxpserver.exeC:\Windows\system32\Dxpserver.exe1⤵PID:4628
-
C:\Users\Admin\AppData\Local\eLAQKy\Dxpserver.exeC:\Users\Admin\AppData\Local\eLAQKy\Dxpserver.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4512
-
C:\Windows\system32\perfmon.exeC:\Windows\system32\perfmon.exe1⤵PID:3356
-
C:\Users\Admin\AppData\Local\EUOVI\perfmon.exeC:\Users\Admin\AppData\Local\EUOVI\perfmon.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4304
-
C:\Windows\system32\msra.exeC:\Windows\system32\msra.exe1⤵PID:2792
-
C:\Users\Admin\AppData\Local\o66759\msra.exeC:\Users\Admin\AppData\Local\o66759\msra.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2056
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3824 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:81⤵PID:4748
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\EUOVI\credui.dll
- Size 796KB
- SHA256 a2adc6adfe20531f27a566d0cba551db104beada330f0d8640cd3993846ad421
- MD5 5b72330d2378145848c2021510618c49
- SHA1 127a19adc4457d722041136986060733163b8864
- SHA512 62d810d25365b8c7de3aa348cccae6f84eebfb98f57ee6ae98d35829983d562791a0798ca6acf59fc60451a28e443eaf5255e7318085da75c2dfc580b6f25a51
- SSDEEP 12288:bBim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN:V/nts0Q9K/0ooRQIxAk2wi0N/
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\EUOVI\perfmon.exe
- Size 177KB
- SHA256 5f041cff346fb37e5c5c9dab3c1272c76f8b5f579205170e97d2248d04a4ea0c
- MD5 d38aa59c3bea5456bd6f95c73ad3c964
- SHA1 40170eab389a6ba35e949f9c92962646a302d9ef
- SHA512 59fa552a46e5d6237c7244b03d09d60e9489217b4319a212e822c73fe1f31a81837cb906ae7da92072bd3d9263fe0b967e073110ba81da3a90126f25115fff68
- SSDEEP 3072:Y0fcuMXJEzBG8IPFThJRoGghtYIo9piswTogiqQKy349:hWZEzBG8SFNJWhqIo9s37iTK24
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\MYWzv\consent.exe
- Size 162KB
- SHA256 56b2d516376328129132b815e22379ae8e7176825f059c9374a33cc844482e64
- MD5 6646631ce4ad7128762352da81f3b030
- SHA1 1095bd4b63360fc2968d75622aa745e5523428ab
- SHA512 1c00ed5d8568f6ebd119524b61573cfe71ca828bd8fbdd150158ec8b5db65fa066908d120d201fce6222707bcb78e0c1151b82fdc1dccf3ada867cb810feb6da
- SSDEEP 1536:XS8vuaYDLPADsydN+zs/EIT9+N08HlCUtWDxbKFc8984AB6QBnW8q5i8NVm+dBO6:i8maBis7i0ACD1bKBzUkBORyxIzYP1r
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\eLAQKy\Dxpserver.exe
- Size 310KB
- SHA256 b1081651ac33610824e2088ff64d1655993dd3d6073af1e5ffe0b4a0027f502f
- MD5 6344f1a7d50da5732c960e243c672165
- SHA1 b6d0236f79d4f988640a8445a5647aff5b5410f7
- SHA512 73f6fa01b880e6619fafa065c171bd0a2b7b2d908762b5aca15f2b8d856b5501b3884e3566ef9b8032c8cbf9bb15116e60c22fded4656c8857c974cda4213d65
- SSDEEP 6144:LqJ0jffBvc3wUyZ+tNzTK89Z9cG/btOaoY/nJm:Le0jfxc3wUJRTK89z/J
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\eLAQKy\dwmapi.dll
- Size 796KB
- SHA256 55b63c3e1a7529d60131576b7e365bdc6f88698f3756f78eee6d9c83cd13bde3
- MD5 fd7680ecebb0e0624026982de5940e15
- SHA1 8f409cc9da1dd4a57ed1cbd0426db3880d6fb02f
- SHA512 543d6eb85aaac0485b3827f3a7464a3c6620ac1f5e82899263a53d4a473d3ebe5db63c57458d9c69375709e00a8743797caba0c205768cc7f02ad564bc439193
- SSDEEP 12288:zBim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN:t/nts0Q9K/0ooRQIxAk2wi0N/
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\o66759\NDFAPI.DLL
- Size 796KB
- SHA256 a4285b7e165910ad0a99b770cc9d585bd13484a15486abf2de9ff1bbf48fae61
- MD5 58f2fdc4d7ee61d3d4565964b9e84a22
- SHA1 25148ab821b92d360710bfdc64ea4af6b1852dad
- SHA512 928034faa1890a8c33c95d690134f3a662bf1b17ebbe0625f92ca0dc05e6282c22c1e699693a0ddfcad0b5bcca37c861c4a53d2b88e3c714db5d25a6557a38c9
- SSDEEP 12288:3Bim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN:R/nts0Q9K/0ooRQIxAk2wi0N/
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\o66759\msra.exe
- Size 579KB
- SHA256 011e1decd6683afe5f1e397fe9697f2cf592ae21766a7629e234682f721658ae
- MD5 dcda3b7b8eb0bfbccb54b4d6a6844ad6
- SHA1 316a2925e451f739f45e31bc233a95f91bf775fa
- SHA512 18e8c99f8b86375627aba0d2b10cf4db24ee5ac61a3d6a73d382a83ec63217c7e455570d4fa7dcdbb188dcc73988689661f8cab2337ae8c615fa6bc9a08f71f5
- SSDEEP 6144:+wjoAiNM0QbPIpiwUTD5prVAtMZ3/GPMOKBdOVm0GisSJ+evw3/9lj42ZwO:+wjo1QjZnrVAtMdGRIOAuZvwPPn
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Axoeay.lnk
- Size 1KB
- SHA256 aac0f342e0d37dbc4c23977b48c6ebbdb373afd77d26693ab23e0ce754cbf6f2
- MD5 c93499b2558062ec216e80bdf0959fd1
- SHA1 c8f031320e7121d0ff2073d41c63a7af12924540
- SHA512 8aac60c987971fc4a50d485e5941723a162b037ab56f3eed1bb98cb9f7704d6ba6c44fe12afcc0720cc1db5d59d2122a9bc2d41b5cf036117714255f1f12b59b
- MD5 SHA1 SHA512