Analysis
- max time kernel
150s - max time network
123s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system - submitted
29/01/2024, 01:01
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
7e7645b86e265b69aed08c4852fe6291.dll
Resource
win7-20231215-en
10 signatures
150 seconds
General
- Target 7e7645b86e265b69aed08c4852fe6291.dll
- Size 1.1MB
- Sample240129-bdcegsgacp
- SHA256 e0980b4994c3d61ec8c3ab1db13ef837487bd2e209e97a4ad4708211d9d4d712
- MD5 7e7645b86e265b69aed08c4852fe6291
- SHA1 0e39986ca509db0826c81ca3693fecb375726dcb
- SHA512 2f2f7e96591bf49bec9e3b56f7457ee00ca85bd7812c6de3a27097fdfda3beb9b42467b7e0f11b01036704c635e461bbf3a2f12877f672a7de1af462611b26ff
- SSDEEP 12288:JkbQEkWqv+157EYfxarhwLNuR7ek1tHffB/HzTyNQ6NIeGYr/RUX/ShJ:JkbHkWfzZ5adwLNGeStHntqN7vaP
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
-
resource yara_rule behavioral1/memory/1204-4-0x00000000029C0000-0x00000000029C1000-memory.dmp dridex_stager_shellcode -
resource yara_rule behavioral1/memory/1944-0-0x000007FEF6080000-0x000007FEF6199000-memory.dmp dridex_payload behavioral1/memory/1204-20-0x0000000140000000-0x0000000140119000-memory.dmp dridex_payload behavioral1/memory/1204-27-0x0000000140000000-0x0000000140119000-memory.dmp dridex_payload behavioral1/memory/1204-38-0x0000000140000000-0x0000000140119000-memory.dmp dridex_payload behavioral1/memory/1204-40-0x0000000140000000-0x0000000140119000-memory.dmp dridex_payload behavioral1/memory/1944-41-0x000007FEF6080000-0x000007FEF6199000-memory.dmp dridex_payload behavioral1/memory/2660-55-0x000007FEF6860000-0x000007FEF697A000-memory.dmp dridex_payload behavioral1/memory/2660-60-0x000007FEF6860000-0x000007FEF697A000-memory.dmp dridex_payload behavioral1/memory/2792-73-0x000007FEF6080000-0x000007FEF619A000-memory.dmp dridex_payload behavioral1/memory/2792-77-0x000007FEF6080000-0x000007FEF619A000-memory.dmp dridex_payload behavioral1/memory/1648-94-0x000007FEF6080000-0x000007FEF619A000-memory.dmp dridex_payload - Executes dropped EXE 3 IoCs
pid Process 2660 mblctr.exe 2792 OptionalFeatures.exe 1648 UI0Detect.exe - Loads dropped DLL 7 IoCs
pid Process 1204 Process not Found 2660 mblctr.exe 1204 Process not Found 2792 OptionalFeatures.exe 1204 Process not Found 1648 UI0Detect.exe 1204 Process not Found - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\Pfoxtyecp = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\S-1-5-21-1268429524-3929314613-1992311491-1000\\0wl\\OptionalFeatures.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA UI0Detect.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 mblctr.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA OptionalFeatures.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1944 rundll32.exe 1944 rundll32.exe 1944 rundll32.exe 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1204 wrote to memory of 2600 1204 Process not Found 28 PID 1204 wrote to memory of 2600 1204 Process not Found 28 PID 1204 wrote to memory of 2600 1204 Process not Found 28 PID 1204 wrote to memory of 2660 1204 Process not Found 29 PID 1204 wrote to memory of 2660 1204 Process not Found 29 PID 1204 wrote to memory of 2660 1204 Process not Found 29 PID 1204 wrote to memory of 2912 1204 Process not Found 30 PID 1204 wrote to memory of 2912 1204 Process not Found 30 PID 1204 wrote to memory of 2912 1204 Process not Found 30 PID 1204 wrote to memory of 2792 1204 Process not Found 31 PID 1204 wrote to memory of 2792 1204 Process not Found 31 PID 1204 wrote to memory of 2792 1204 Process not Found 31 PID 1204 wrote to memory of 1984 1204 Process not Found 32 PID 1204 wrote to memory of 1984 1204 Process not Found 32 PID 1204 wrote to memory of 1984 1204 Process not Found 32 PID 1204 wrote to memory of 1648 1204 Process not Found 33 PID 1204 wrote to memory of 1648 1204 Process not Found 33 PID 1204 wrote to memory of 1648 1204 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\7e7645b86e265b69aed08c4852fe6291.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1944
-
C:\Windows\system32\mblctr.exeC:\Windows\system32\mblctr.exe1⤵PID:2600
-
C:\Users\Admin\AppData\Local\E7jLd\mblctr.exeC:\Users\Admin\AppData\Local\E7jLd\mblctr.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2660
-
C:\Windows\system32\OptionalFeatures.exeC:\Windows\system32\OptionalFeatures.exe1⤵PID:2912
-
C:\Users\Admin\AppData\Local\sBUME\OptionalFeatures.exeC:\Users\Admin\AppData\Local\sBUME\OptionalFeatures.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2792
-
C:\Windows\system32\UI0Detect.exeC:\Windows\system32\UI0Detect.exe1⤵PID:1984
-
C:\Users\Admin\AppData\Local\MU2iq\UI0Detect.exeC:\Users\Admin\AppData\Local\MU2iq\UI0Detect.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1648
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\MU2iq\VERSION.dll
- Size 1.1MB
- SHA256 3f44153bde9311f0732597cf08a1e9c0082ed93751aed2bda955fe5e9718cf29
- MD5 409cc1b141d44ae6525911837e46e78d
- SHA1 e075c662d275d60d572014701ea8aa665aee3303
- SHA512 c2f7042757fcdd2f96bba73f4993f6b6e3c09d222f1f99c014e424f085059767bdb1fa88ce97208e6203d4e6d0e53a36c6cd70e37a6ff863ae77849512c23dd1
- SSDEEP 12288:rkbQEkWqv+157EYfxarhwLNuR7ek1tHffB/HzTyNQ6NIeGYr/R:rkbHkWfzZ5adwLNGeStHntqN7v
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\sBUME\appwiz.cpl
- Size 1.1MB
- SHA256 39f209ee19ad165b57662a5500ae82d1d6b403a69b60dd8896be65954e498584
- MD5 8f27d39ff91109cedc48233fe2373db6
- SHA1 3aafe78932e33dcc1b61d920f82533d0b4ab49a9
- SHA512 e3ad5621d73f395d224d2e1a6777925932acbecf9e776dfbe7b23f81fd2f233e846c33bc2de2fbb938b9c32fe1a2c9dfdd63bae8186e1442c76a345ef7a7b4b0
- SSDEEP 12288:MkbQEkWqv+157EYfxarhwLNuR7ek1tHffB/HzTyNQ6NIeGYr/R:MkbHkWfzZ5adwLNGeStHntqN7v
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Gmfoo.lnk
- Size 1KB
- SHA256 747073d8016c97a75f293a420f4900eaff826ac3ff22414ea05c85fd7099fd5f
- MD5 775299c60cb1b4b639269651f8ee286b
- SHA1 cf446d65e5cd4a4ec4eb3d962fdd8b4bc9663485
- SHA512 73a5d04ce68603f629d97ceb1a6cdf500dd40b8344dc3c11533eff418bb2d44faacd86790f95dfd0b599e5eba386db33d774ef81094e8b8cb034d3b43ccf49de
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\Hdt7Hp\VERSION.dll
- Size 1.1MB
- SHA256 b23ea1f10b0e1c747436d145c594472f484cf0ffea9fe0d53395a02ddad22786
- MD5 785afb7b5d4c68575a3761cd891602cc
- SHA1 034585b66be6dd9d93348ad7c47716fc56e9ba23
- SHA512 9fee445ff5c52e4e00f612be497acc146bb1b955710ecd3689da37c9f91c1cf6890fb89d3df5783b33a879c702f95ff960f3752f967b5866e73db20bf95c7456
- SSDEEP 12288:rkbQEkWqv+157EYfxarhwLNuR7ek1tHffB/HzTyNQ6NIeGYr/R:rkbHkWfzZ5adwLNGeStHntqN7v
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\E7jLd\UxTheme.dll
- Size 1.1MB
- SHA256 b9db8e0bf94bf4cf8416e9b8aa72bcfe4a83cf49d6a5a4f847ddbf6eedae9e07
- MD5 45f793ab7aea6c16f4e8c5ac78ab04b5
- SHA1 acb1ecd1d961e4e205991e1aed90cfbc754634b6
- SHA512 b64ae62654a0339d09067173e0341fde67dd741450cb9488d837af0d6f973c62c6c0cfb677fc4053f0b362191e315b8d098f2504e8e5a53899893b5aa76ecbbb
- SSDEEP 12288:HkbQEkWqv+157EYfxarhwLNuR7ek1tHffB/HzTyNQ6NIeGYr/R:HkbHkWfzZ5adwLNGeStHntqN7v
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\E7jLd\mblctr.exe
- Size 935KB
- SHA256 b71cdf708d4a4f045f784de5e5458ebf9a4fa2b188c3f7422e2fbfe19310be3f
- MD5 fa4c36b574bf387d9582ed2c54a347a8
- SHA1 149077715ee56c668567e3a9cb9842284f4fe678
- SHA512 1f04ce0440eec7477153ebc2ce56eaabcbbac58d9d703c03337f030e160d22cd635ae201752bc2962643c75bbf2036afdd69d97e8cbc81260fd0e2f55946bb55
- SSDEEP 12288:77T5J02GJQ3iL051qviizQBODAFZCYylk25ZERX7s5Zx5Z25ZO:HuK75kRzAFncToc5Yw
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\MU2iq\UI0Detect.exe
- Size 40KB
- SHA256 b8dab8aa804fc23021bfebd7ae4d40fbe648d6c6ba21cc008e26d1c084972f9b
- MD5 3cbdec8d06b9968aba702eba076364a1
- SHA1 6e0fcaccadbdb5e3293aa3523ec1006d92191c58
- SHA512 a8e434c925ef849ecef0efcb4873dbb95eea2821c967b05afbbe5733071cc2293fc94e7fdf1fdaee51cbcf9885b3b72bfd4d690f23af34558b056920263e465d
- SSDEEP 768:VWp0fszQ7gGuiwJ8mQOsO+ueYuD+UYySV73q0OvObxziMMNpa8zOjFMMNv0/vM+J:lsU7ge4X6ZVC/VbqXGbxGMMW7MMs0+2w
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\sBUME\OptionalFeatures.exe
- Size 95KB
- SHA256 01feebd3aca961f31ba4eac45347b105d1c5772627b08f5538047721b61ff9bc
- MD5 eae7af6084667c8f05412ddf096167fc
- SHA1 0dbe8aba001447030e48e8ad5466fd23481e6140
- SHA512 172a8accaa35a6c9f86713a330c5899dfeeffe3b43413a3d276fc16d45cd62ed9237aa6bff29cc60a2022fba8dcc156959723c041df4b7463436a3bdabef2a9d
- SSDEEP 1536:nxCJbEaznWRJ0In22KnM5suF52KUVDzaaKtCMPTnaSsWhhIrvDI3bR:wJbEaznWfH22ZsuX2xKwMPTnaSrIrvDG
- MD5 SHA1 SHA512 SSDEEP