Analysis
- max time kernel
151s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
10/03/2024, 13:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1cd678461d02d6ad8f39a31ed0f22fc9869772e9370de3be2fc25639b7cc7741.dll
Resource
win7-20231129-en
10 signatures
150 seconds
General
- Target 1cd678461d02d6ad8f39a31ed0f22fc9869772e9370de3be2fc25639b7cc7741.dll
- Size 768KB
- Sample240310-p83f2sdb47
- SHA256 1cd678461d02d6ad8f39a31ed0f22fc9869772e9370de3be2fc25639b7cc7741
- MD5 2c8015e1309f77f114c43dd3ee8f9bcc
- SHA1 d83230cadb7e019b46e9a775e140ac46739c627b
- SHA512 00773a2f16dd7e1c8a25c3b74dcd73860abe79ba93da7e242a828352bcbc275fedb50258efad397b8ab4639751bf7df8affbcd18797e2c522bc3e61e844dcd95
- SSDEEP 12288:/Bim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdNP:Z/nts0Q9K/0ooRQIxAk2wi0N/
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/3488-3-0x0000000003320000-0x0000000003321000-memory.dmp dridex_stager_shellcode -
resource yara_rule behavioral2/memory/4944-0-0x00007FFA05FD0000-0x00007FFA06090000-memory.dmp dridex_payload behavioral2/memory/3488-23-0x0000000140000000-0x00000001400C0000-memory.dmp dridex_payload behavioral2/memory/3488-31-0x0000000140000000-0x00000001400C0000-memory.dmp dridex_payload behavioral2/memory/3488-42-0x0000000140000000-0x00000001400C0000-memory.dmp dridex_payload behavioral2/memory/4944-45-0x00007FFA05FD0000-0x00007FFA06090000-memory.dmp dridex_payload behavioral2/memory/3308-52-0x00007FF9F5630000-0x00007FF9F56F1000-memory.dmp dridex_payload behavioral2/memory/3308-57-0x00007FF9F5630000-0x00007FF9F56F1000-memory.dmp dridex_payload behavioral2/memory/3240-68-0x00007FF9F5380000-0x00007FF9F5442000-memory.dmp dridex_payload behavioral2/memory/3240-73-0x00007FF9F5380000-0x00007FF9F5442000-memory.dmp dridex_payload behavioral2/memory/3680-89-0x00007FF9F5630000-0x00007FF9F56F1000-memory.dmp dridex_payload - Executes dropped EXE 3 IoCs
pid Process 3308 dccw.exe 3240 rdpclip.exe 3680 printfilterpipelinesvc.exe - Loads dropped DLL 3 IoCs
pid Process 3308 dccw.exe 3240 rdpclip.exe 3680 printfilterpipelinesvc.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wwzeokxwnoh = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Vault\\tPw5\\rdpclip.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA dccw.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rdpclip.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA printfilterpipelinesvc.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4944 regsvr32.exe 4944 regsvr32.exe 4944 regsvr32.exe 4944 regsvr32.exe 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found 3488 Process not Found - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3488 Process not Found Token: SeCreatePagefilePrivilege 3488 Process not Found Token: SeShutdownPrivilege 3488 Process not Found Token: SeCreatePagefilePrivilege 3488 Process not Found Token: SeShutdownPrivilege 3488 Process not Found Token: SeCreatePagefilePrivilege 3488 Process not Found Token: SeShutdownPrivilege 3488 Process not Found Token: SeCreatePagefilePrivilege 3488 Process not Found Token: SeShutdownPrivilege 3488 Process not Found Token: SeCreatePagefilePrivilege 3488 Process not Found Token: SeShutdownPrivilege 3488 Process not Found Token: SeCreatePagefilePrivilege 3488 Process not Found - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3488 Process not Found 3488 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3488 wrote to memory of 720 3488 Process not Found 103 PID 3488 wrote to memory of 720 3488 Process not Found 103 PID 3488 wrote to memory of 3308 3488 Process not Found 104 PID 3488 wrote to memory of 3308 3488 Process not Found 104 PID 3488 wrote to memory of 764 3488 Process not Found 106 PID 3488 wrote to memory of 764 3488 Process not Found 106 PID 3488 wrote to memory of 3240 3488 Process not Found 107 PID 3488 wrote to memory of 3240 3488 Process not Found 107 PID 3488 wrote to memory of 3304 3488 Process not Found 108 PID 3488 wrote to memory of 3304 3488 Process not Found 108 PID 3488 wrote to memory of 3680 3488 Process not Found 109 PID 3488 wrote to memory of 3680 3488 Process not Found 109 - 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\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\1cd678461d02d6ad8f39a31ed0f22fc9869772e9370de3be2fc25639b7cc7741.dll1⤵
- Suspicious behavior: EnumeratesProcesses
PID:4944
-
C:\Windows\system32\dccw.exeC:\Windows\system32\dccw.exe1⤵PID:720
-
C:\Users\Admin\AppData\Local\8eGGEZHFU\dccw.exeC:\Users\Admin\AppData\Local\8eGGEZHFU\dccw.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3308
-
C:\Windows\system32\rdpclip.exeC:\Windows\system32\rdpclip.exe1⤵PID:764
-
C:\Users\Admin\AppData\Local\QurKBK\rdpclip.exeC:\Users\Admin\AppData\Local\QurKBK\rdpclip.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3240
-
C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe1⤵PID:3304
-
C:\Users\Admin\AppData\Local\A8KSR\printfilterpipelinesvc.exeC:\Users\Admin\AppData\Local\A8KSR\printfilterpipelinesvc.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3680
-
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=2916 --field-trial-handle=2276,i,1205556100727695622,5044463180471657307,262144 --variations-seed-version /prefetch:81⤵PID:4708
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\8eGGEZHFU\dccw.exe
- Size 101KB
- SHA256 f7f3300b78148a34f6a35796c777a832b638b6d3193e11f4a37f45d4c6dfa845
- MD5 cb9374911bf5237179785c739a322c0f
- SHA1 3f4d3dd3d58c9f19dfbb414ded16969ebd9f74b9
- SHA512 9d47521538148b1823c0a17baa86ddf932f06f46d5d8b63fa87b2cc220fb98ce3f933e32d771222937bb8e41c88030839d489d1cd78b062bffeb2980dc6864be
- SSDEEP 1536:KCuqiEgeGHVfsbusCrUEGC4NffprtWSDPJJGGJpezQZkr/kbPftwiapzsf:KFqCeCCvcpkxfrHYt2twzpzsf
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\8eGGEZHFU\dxva2.dll
- Size 772KB
- SHA256 eea2ecebdc7dbb1daf6643509ccd0530930d3f7db15436974e0cb4a67a50a65b
- MD5 6e613ba5bd0bda2e2417b7a78052e17c
- SHA1 6913bc6531fc22bf137d951d12aad8116b893b6b
- SHA512 e2fe7ce2ee58e4f8115135da4e830d23359ac36dd3df3df934c959d527ef6c173558a5fb8b8e57bcebde8773d6941abcc4beac1509cf18802e54a265861d87b9
- SSDEEP 12288:zBim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN:t/nts0Q9K/0ooRQIxAk2wi0N/
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\A8KSR\XmlLite.dll
- Size 772KB
- SHA256 01e5b8875d56acf293f9023683a8b6d2ce7ecb03caff4ba7d0d511d43ce01485
- MD5 7d34103e162815e68f3bd12099c220da
- SHA1 df6738634fc608f3969ccabbcecbb579e220d393
- SHA512 465547472684c5741b27e2028e996ec9243a5098f5d7e608692868ebc7ff2092ce54dd9ad497ff092900d5eda3652a126f2df38a69e55512e9c5d5b217eab15b
- SSDEEP 12288:rBim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN:l/nts0Q9K/0ooRQIxAk2wi0N/
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\A8KSR\printfilterpipelinesvc.exe
- Size 813KB
- SHA256 105099819555ed87ef3dab70a2eaf2cb61076f453266cec57ffccb8f4c00df88
- MD5 331a40eabaa5870e316b401bd81c4861
- SHA1 ddff65771ca30142172c0d91d5bfff4eb1b12b73
- SHA512 29992dbf10f327d77865af5e6ebbe66b937a5b4ad04c68cafbf4e6adbd6c6532c8a82ac7e638d97c1f053353a7c8a6d7e379f389af15443c94a1e8f9b16be5f8
- SSDEEP 12288:wyIhsiajSz7jjW0azmpHODy/ktLqZGQI0fOQ7obSNYg/Kt7jIj:+Hau7+alUN01K1j
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\QurKBK\WINSTA.dll
- Size 776KB
- SHA256 f6d6a4432bb0639b5322f12f58cf65cede109e97861fd37032a409b798654168
- MD5 52c23637c7ae9b0f601483d26b143566
- SHA1 acd4a86434104a8b7a55bf04ccbce92b4de9af47
- SHA512 6d763437db3758e570dd6531b468c0d40db81284220d09fe971d7e0653c69a12a8aba7b906c30254325186e2e18d8f7b97011f35dcfcfcede2f074fda36dc01a
- SSDEEP 12288:TBim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN:N/nts0Q9K/0ooRQIxAk2wi0N/
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\QurKBK\rdpclip.exe
- Size 446KB
- SHA256 9d5be181d9309dea98039d2ce619afe745fc8a9a1b1c05cf860b3620b5203308
- MD5 a52402d6bd4e20a519a2eeec53332752
- SHA1 129f2b6409395ef877b9ca39dd819a2703946a73
- SHA512 632dda67066cff2b940f27e3f409e164684994a02bda57d74e958c462b9a0963e922be4a487c06126cecc9ef34d34913ef8315524bf8422f83c0c135b8af924e
- SSDEEP 12288:jrfeYamPVO2t51YqbAOKRJi03fhtV4Y398wXQJnHXQmArTo+7TsRXUK8mEvh13ps:veYamtO2b1YqbATRJi0vUyUwTFnR6qW
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Wsryduxuroil.lnk
- Size 1KB
- SHA256 0016989a482dd362df0afab8cf9174ca1706bfe2031448f7713ac5e3a545efb0
- MD5 4d3ddb906bc5b97c5f11d7fd62c207e8
- SHA1 731c1faf6d7c3289dab3ff879975b4fe975b1d0d
- SHA512 1c8db30fac4b20f923a2bd9480974d65e8e92ad69adc862d532e996958ecdf1277d44ce51bf84b844cf6c73262a82e4dc1742d403fe4556f5a6c5e3cfc4cce36
- MD5 SHA1 SHA512