Analysis
- max time kernel
149s - max time network
154s - 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, 16:57
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
742dfabe568149a668cd0781b0520bbefc403f3ff76ac519dd5c9db2dacc991a.dll
Resource
win7-20240221-en
10 signatures
150 seconds
General
- Target 742dfabe568149a668cd0781b0520bbefc403f3ff76ac519dd5c9db2dacc991a.dll
- Size 1020KB
- Sample240310-vgkd2sgf37
- SHA256 742dfabe568149a668cd0781b0520bbefc403f3ff76ac519dd5c9db2dacc991a
- MD5 1c2af7441f427904e23a67c06eb81813
- SHA1 7e272712298a24b8bceccd92033c68f71ca1b212
- SHA512 263b6fed76f5a0963384941d34cc48cc0cc11b15df6dd7c2de5ed6dee3b022c2377e83ba90671b8b7cacbce369703fcf73b536a0f59c02057f85fa227370b8ad
- SSDEEP 12288:gBim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN:M/nts0Q9K/0ooRQIxAk2wi0N/
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/3428-3-0x0000000000BC0000-0x0000000000BC1000-memory.dmp dridex_stager_shellcode -
resource yara_rule behavioral2/memory/1760-0-0x00007FFB0D9B0000-0x00007FFB0DAAF000-memory.dmp dridex_payload behavioral2/memory/3428-24-0x0000000140000000-0x00000001400FF000-memory.dmp dridex_payload behavioral2/memory/3428-31-0x0000000140000000-0x00000001400FF000-memory.dmp dridex_payload behavioral2/memory/3428-42-0x0000000140000000-0x00000001400FF000-memory.dmp dridex_payload behavioral2/memory/1760-45-0x00007FFB0D9B0000-0x00007FFB0DAAF000-memory.dmp dridex_payload behavioral2/memory/4808-52-0x00007FFAFE2A0000-0x00007FFAFE3A0000-memory.dmp dridex_payload behavioral2/memory/4808-57-0x00007FFAFE2A0000-0x00007FFAFE3A0000-memory.dmp dridex_payload behavioral2/memory/1244-68-0x00007FFAFEA30000-0x00007FFAFEB30000-memory.dmp dridex_payload behavioral2/memory/1244-73-0x00007FFAFEA30000-0x00007FFAFEB30000-memory.dmp dridex_payload behavioral2/memory/3592-89-0x00007FFAFEA30000-0x00007FFAFEB30000-memory.dmp dridex_payload - Executes dropped EXE 3 IoCs
pid Process 4808 sethc.exe 1244 AgentService.exe 3592 dccw.exe - Loads dropped DLL 3 IoCs
pid Process 4808 sethc.exe 1244 AgentService.exe 3592 dccw.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Vdtkrnjrcdvlvc = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\ZUyyZyI\\AgentService.exe" Process not Found -
description ioc Process 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 sethc.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA AgentService.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA dccw.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1760 rundll32.exe 1760 rundll32.exe 1760 rundll32.exe 1760 rundll32.exe 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found 3428 Process not Found - Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeShutdownPrivilege 3428 Process not Found Token: SeCreatePagefilePrivilege 3428 Process not Found Token: SeShutdownPrivilege 3428 Process not Found Token: SeCreatePagefilePrivilege 3428 Process not Found Token: SeShutdownPrivilege 3428 Process not Found Token: SeCreatePagefilePrivilege 3428 Process not Found Token: SeShutdownPrivilege 3428 Process not Found Token: SeCreatePagefilePrivilege 3428 Process not Found Token: SeShutdownPrivilege 3428 Process not Found Token: SeCreatePagefilePrivilege 3428 Process not Found Token: SeShutdownPrivilege 3428 Process not Found Token: SeCreatePagefilePrivilege 3428 Process not Found Token: SeShutdownPrivilege 3428 Process not Found Token: SeCreatePagefilePrivilege 3428 Process not Found Token: SeShutdownPrivilege 3428 Process not Found Token: SeCreatePagefilePrivilege 3428 Process not Found - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3428 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3428 wrote to memory of 412 3428 Process not Found 99 PID 3428 wrote to memory of 412 3428 Process not Found 99 PID 3428 wrote to memory of 4808 3428 Process not Found 100 PID 3428 wrote to memory of 4808 3428 Process not Found 100 PID 3428 wrote to memory of 3748 3428 Process not Found 101 PID 3428 wrote to memory of 3748 3428 Process not Found 101 PID 3428 wrote to memory of 1244 3428 Process not Found 102 PID 3428 wrote to memory of 1244 3428 Process not Found 102 PID 3428 wrote to memory of 4936 3428 Process not Found 103 PID 3428 wrote to memory of 4936 3428 Process not Found 103 PID 3428 wrote to memory of 3592 3428 Process not Found 104 PID 3428 wrote to memory of 3592 3428 Process not Found 104 - 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\742dfabe568149a668cd0781b0520bbefc403f3ff76ac519dd5c9db2dacc991a.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1760
-
C:\Windows\system32\sethc.exeC:\Windows\system32\sethc.exe1⤵PID:412
-
C:\Users\Admin\AppData\Local\SDfbrHb9\sethc.exeC:\Users\Admin\AppData\Local\SDfbrHb9\sethc.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4808
-
C:\Windows\system32\AgentService.exeC:\Windows\system32\AgentService.exe1⤵PID:3748
-
C:\Users\Admin\AppData\Local\1ZMxej1Js\AgentService.exeC:\Users\Admin\AppData\Local\1ZMxej1Js\AgentService.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1244
-
C:\Windows\system32\dccw.exeC:\Windows\system32\dccw.exe1⤵PID:4936
-
C:\Users\Admin\AppData\Local\rQHdVWlE\dccw.exeC:\Users\Admin\AppData\Local\rQHdVWlE\dccw.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3592
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\1ZMxej1Js\ACTIVEDS.dll
- Size 192KB
- SHA256 51bec5fac5d239e498364a0aca2f87f7d4e5ce14b57e7c05df8c4978e6f6bee0
- MD5 9a2f799ddbf4e03b64cc24b27e41ac02
- SHA1 578ca9d92cfef3cf954b3f64a9362c1368f4c3e6
- SHA512 a6b228f8c8ff854b05e173ca21a071f337c982bbee2a6ee6f34e42e30c6e8a9261aa1b0341ac2bb413d9bd799b6b563a610f0fc0a9a5fdb0385654bf02c3a1e2
- SSDEEP 3072:Z5/gw6RcnOmWly75epv2ne6ngQVa30XPE4gz7pQKK9aDGRTSTKgcAm9OV1QBCANU:7BinmWo7Tnt7Y08TzdbKuGA/cABPgtNU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\1ZMxej1Js\ACTIVEDS.dll
- Size 1024KB
- SHA256 1397da470241326033472f30549b557f4f8c81c868ffec017edf7bc588231d63
- MD5 d26f9c025f74f02e5c9f5f9ecc5a57a9
- SHA1 8ec46ef924b840aecc25f92c37a01f07dd07c0ba
- SHA512 5969c0cc0cc9cb8c6cf7f650f59787cb22c965ebfe6107c3fa758afc8a96f0d81f490e8bfc0b346e672f18e359c769bb307511f35b4ff33f0516721886486f4e
- SSDEEP 12288:7Bim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN:1/nts0Q9K/0ooRQIxAk2wi0N/
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\1ZMxej1Js\AgentService.exe
- Size 384KB
- SHA256 720ef3c3d197b5fb1ca431bd3da59951489711a427d0ef95cf0381fb9239dab7
- MD5 7406bf57411b5bc7b844b86cfebe0cee
- SHA1 92a9b1f50825868d66ba4119e4669cb38b7fcff6
- SHA512 fcbd049553b0040795669ac2955ad04703e440e0b128db2718d5cd67b8f83a2b541e906274c97bb664dd4f4b057a99ff1fb317d5c12798ff87d599e8219435b6
- SSDEEP 6144:6t8UepN2iPI0hl6aw9CIHBRx3DJgPv7w6cNjXaczhjXcESukkd6sd3TlKm2LwUj:K8UKN2iQ0hl6aShRFKPv7w6EX7jXcESJ
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\1ZMxej1Js\AgentService.exe
- Size 1.2MB
- SHA256 c69e4520d5dd84a409c2df1825ba30ec367400e4f7b001c8e971da8bef1a2268
- MD5 f8bac206def3e87ceb8ef3cb0fb5a194
- SHA1 a28ea816e7b5ca511da4576262a5887a75171276
- SHA512 8df9a814c738e79492a3b72ba359bf3aedfb89fe02215ef58e743c541a2194ba47e227969d76c55387eee6eb367ca68e4b3cdf054022cb86e62376cc2fdef909
- SSDEEP 24576:NoiQ0h2Hm7EkuAK3xV3tk3tLjN2VMbxR86mHx/YY/izSI2sBc9EzwwXg/b:Na0h2GEkuAe73q3ppy6zwwQ
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\SDfbrHb9\OLEACC.dll
- Size 1024KB
- SHA256 1f7416471d3e728fe43f3f9b753a7f5415c87795dbc70316102c0842fd7c0c95
- MD5 2607ac53ea69cdd80423c228adbbcdae
- SHA1 ba65e3dd79fec5ea83af828017441eb566677eed
- SHA512 076c7aafe3d77d91830bfde83ebd7897ceca6b1888d43206738693f7be46898d0185751bb29ca455fc9f0dcf720d54a0399788ce6f3299f17e9bfe5f8a347345
- SSDEEP 12288:HBim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN:h/nts0Q9K/0ooRQIxAk2wi0N/
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\SDfbrHb9\sethc.exe
- Size 104KB
- SHA256 615b2f2d7e3fce340839a9b54bdc3445eb2333d0fafee477d6113379e90935b8
- MD5 8ba3a9702a3f1799431cad6a290223a6
- SHA1 9c7dc9b6830297c8f759d1f46c8b36664e26c031
- SHA512 680c216d54f4fd2a14f0398e4461c8340ac15acdca75c36a42083625e1081d5e7d262c4c12296b6f21ba2f593f92816edf1c9a0cf4cbee23588e590713b87746
- SSDEEP 3072:1atXdQaL4XqVpGlqWRNp756WGrzH5GNz:eXNsqVklqWRNp75NuY
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\rQHdVWlE\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\rQHdVWlE\dxva2.dll
- Size 1024KB
- SHA256 125e3b5ceb28ce7b9d2e4f3d02daa712317115efb01eb831caaa93a562724789
- MD5 cf2db947ce30049ebd5fa81d44b5c951
- SHA1 54116f844d6a095735ece6d62556fd2c0eb8c29d
- SHA512 70a341f73a6ee7bbed52456f5ba706fbbefac83a349be2f7e32c899134ceb3ea042de7c6bdc3f3f7ef9fdad8a7e1dd45b1064b343ee8fe660b300b8d89d47870
- SSDEEP 12288:LBim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN:F/nts0Q9K/0ooRQIxAk2wi0N/
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Txagdzatgusg.lnk
- Size 998B
- SHA256 ecfdfd0893e921e60bb82e2ff1e7ca2bbf32cb8ad438e8492cc88a0363b504f0
- MD5 ed95b618954e2217012195538a51cb65
- SHA1 ef3fa18a138e9355a363f4b48cbf060bdcb20fba
- SHA512 15fe5871b45b640b461f8ac4a407c9f71f53ee56aec2340a3c444e1639aec9202d146301a3474f520f001014809eee49b0a5a46e5f6d51e401489b83be1071d5
- MD5 SHA1 SHA512