Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
25-12-2024 19:57
Behavioral task
behavioral1
Sample
6d14c741f412938760c594300e845272648bc0f92a1f69145ee2dcc7d7efcbf3.exe
Resource
win7-20241010-en
General
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Target
6d14c741f412938760c594300e845272648bc0f92a1f69145ee2dcc7d7efcbf3.exe
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Size
235KB
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MD5
de6b64eb7470044aebc250931a367747
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SHA1
a85ae5ea92e0116153e794412aadf726c260e31c
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SHA256
6d14c741f412938760c594300e845272648bc0f92a1f69145ee2dcc7d7efcbf3
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SHA512
5b9f50f878fe83363f63a2c0427dbdaf209465723c2a6a86c4b18f1c331cc17a00c33d0796d53ff16c8fb8d090d654a91dd662b702f09cf21cd16cbd35077e11
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SSDEEP
6144:vpLgHDEpTdnKUIgAXGHxh9o9eolxYusR6Py99Bq4z6k:5nTKUJA2HxfoMusR6aZq9
Malware Config
Signatures
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Blackmoon family
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Detect Blackmoon payload 2 IoCs
resource yara_rule behavioral1/files/0x0008000000016cf0-9.dat family_blackmoon behavioral1/memory/1736-23-0x0000000000400000-0x00000000004D0000-memory.dmp family_blackmoon -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" DXSETUP.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" DXSETUP.exe -
Executes dropped EXE 1 IoCs
pid Process 2224 DXSETUP.exe -
Loads dropped DLL 2 IoCs
pid Process 1736 6d14c741f412938760c594300e845272648bc0f92a1f69145ee2dcc7d7efcbf3.exe 2224 DXSETUP.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\DXSETUP = "C:\\Users\\Public\\Music\\DXSETUP.exe" 6d14c741f412938760c594300e845272648bc0f92a1f69145ee2dcc7d7efcbf3.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: DXSETUP.exe File opened (read-only) \??\H: DXSETUP.exe File opened (read-only) \??\K: DXSETUP.exe File opened (read-only) \??\M: DXSETUP.exe File opened (read-only) \??\P: DXSETUP.exe File opened (read-only) \??\Q: DXSETUP.exe File opened (read-only) \??\Z: DXSETUP.exe File opened (read-only) \??\J: DXSETUP.exe File opened (read-only) \??\N: DXSETUP.exe File opened (read-only) \??\R: DXSETUP.exe File opened (read-only) \??\X: DXSETUP.exe File opened (read-only) \??\B: DXSETUP.exe File opened (read-only) \??\G: DXSETUP.exe File opened (read-only) \??\O: DXSETUP.exe File opened (read-only) \??\S: DXSETUP.exe File opened (read-only) \??\U: DXSETUP.exe File opened (read-only) \??\V: DXSETUP.exe File opened (read-only) \??\W: DXSETUP.exe File opened (read-only) \??\I: DXSETUP.exe File opened (read-only) \??\L: DXSETUP.exe File opened (read-only) \??\T: DXSETUP.exe File opened (read-only) \??\Y: DXSETUP.exe -
resource yara_rule behavioral1/memory/1736-0-0x0000000000400000-0x00000000004D0000-memory.dmp upx behavioral1/memory/1736-23-0x0000000000400000-0x00000000004D0000-memory.dmp upx -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Logs\DirectX.log DXSETUP.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6d14c741f412938760c594300e845272648bc0f92a1f69145ee2dcc7d7efcbf3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DXSETUP.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString DXSETUP.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ DXSETUP.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2224 DXSETUP.exe 2224 DXSETUP.exe 2224 DXSETUP.exe 2224 DXSETUP.exe 2224 DXSETUP.exe 2224 DXSETUP.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2224 DXSETUP.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1736 wrote to memory of 2224 1736 6d14c741f412938760c594300e845272648bc0f92a1f69145ee2dcc7d7efcbf3.exe 30 PID 1736 wrote to memory of 2224 1736 6d14c741f412938760c594300e845272648bc0f92a1f69145ee2dcc7d7efcbf3.exe 30 PID 1736 wrote to memory of 2224 1736 6d14c741f412938760c594300e845272648bc0f92a1f69145ee2dcc7d7efcbf3.exe 30 PID 1736 wrote to memory of 2224 1736 6d14c741f412938760c594300e845272648bc0f92a1f69145ee2dcc7d7efcbf3.exe 30 PID 1736 wrote to memory of 2224 1736 6d14c741f412938760c594300e845272648bc0f92a1f69145ee2dcc7d7efcbf3.exe 30 PID 1736 wrote to memory of 2224 1736 6d14c741f412938760c594300e845272648bc0f92a1f69145ee2dcc7d7efcbf3.exe 30 PID 1736 wrote to memory of 2224 1736 6d14c741f412938760c594300e845272648bc0f92a1f69145ee2dcc7d7efcbf3.exe 30 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" DXSETUP.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" DXSETUP.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6d14c741f412938760c594300e845272648bc0f92a1f69145ee2dcc7d7efcbf3.exe"C:\Users\Admin\AppData\Local\Temp\6d14c741f412938760c594300e845272648bc0f92a1f69145ee2dcc7d7efcbf3.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Users\Public\Music\DXSETUP.exeC:\Users\Public\Music\DXSETUP.exe2⤵
- UAC bypass
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2224
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
505KB
MD5bf3f290275c21bdd3951955c9c3cf32c
SHA19fd00f3bb8a870112dae464f555fcd5e7f9200c0
SHA2568f47d7121ef6532ad9ad9901e44e237f5c30448b752028c58a9d19521414e40d
SHA512d2c354ee8b6977d01f23c6d2bb4977812bf653eae25e7a75a7d0a36b588c89fcdbdc2a8087c24d6ff687afebd086d4b7d0c92203ce39691b21dab71eafd1d249
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Filesize
184KB
MD5825171c46d63826bf77f12b641c7b8c7
SHA1171611aec5490a160b22193fed9781ccf2deb530
SHA256ba37b11b6f583c3d95d84dfc8de35293a50e0fa63ada398efb715af6ba454096
SHA51287e93561494494a8deb5a085068eb2b7513d704daf92e18cf9a954bae08125af68daca5767fde7894e232f75bb5e379f9be1c495208f93ab92cafb9b80214fe1
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Filesize
75KB
MD582c3c8d3a6221cf8db71fdee532bfedf
SHA16c2a447acc79cacecc8efbe0b8de38fd194aa095
SHA2563177dbc2ce8f68405fc874f6189ccf947d8217227ffc81a85f9b23aec1f47f80
SHA512491e914b091d218a663abca5f2c2aed2b839ba87a74429c285145baef6a23fb4cf0718b64869a04237258d0608c44c6e2cec3446feaae9b4d5a7071a0325f420