Analysis
-
max time kernel
147s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
08/04/2025, 07:23
Static task
static1
General
-
Target
2025-04-08_2f14d6dd2298a92af1b883639fed0e2c_black-basta_luca-stealer.exe
-
Size
4.3MB
-
MD5
2f14d6dd2298a92af1b883639fed0e2c
-
SHA1
838f5d270213f02b55cd40c566ba262bccc18a66
-
SHA256
99d036951078089b1f7346cf18b19bffa75fe84c1ca61507b86f811e92644c0e
-
SHA512
4c007e574610a733e36c735722f8e10ed9859b124514815a177795afb4a3f4814531c29a41a09976d8879e926a15117a7de889851ef28ca2900e826a31b62fce
-
SSDEEP
98304:c7rZW1xfGXRRyKVdRQlIDcfkHUI8cJYNx29nYIrMNctNZWChP9:cM1xfeXKQcfkH8cYNfIOctNL1
Malware Config
Signatures
-
Rms family
-
ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x0008000000024018-76.dat acprotect behavioral1/files/0x0008000000024017-75.dat acprotect -
resource yara_rule behavioral1/files/0x000800000002400b-42.dat aspack_v212_v242 behavioral1/files/0x0008000000024007-77.dat aspack_v212_v242 -
Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Control Panel\International\Geo\Nation 2025-04-08_2f14d6dd2298a92af1b883639fed0e2c_black-basta_luca-stealer.exe Key value queried \REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Control Panel\International\Geo\Nation 1.sfx.exe Key value queried \REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Control Panel\International\Geo\Nation 1.exe Key value queried \REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Control Panel\International\Geo\Nation WScript.exe -
Executes dropped EXE 9 IoCs
pid Process 3448 1.sfx.exe 4400 1.exe 5096 rutserv.exe 1636 rutserv.exe 3480 rutserv.exe 2760 rutserv.exe 2788 rfusclient.exe 4316 rfusclient.exe 3476 rfusclient.exe -
resource yara_rule behavioral1/files/0x000a000000023fe0-14.dat upx behavioral1/memory/4400-19-0x0000000000400000-0x0000000000458000-memory.dmp upx behavioral1/memory/4400-40-0x0000000000400000-0x0000000000458000-memory.dmp upx behavioral1/files/0x0008000000024018-76.dat upx behavioral1/files/0x0008000000024017-75.dat upx -
Drops file in Program Files directory 16 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\System\regedit.reg 1.exe File opened for modification C:\Program Files (x86)\System 1.exe File created C:\Program Files (x86)\System\regedit.reg 1.exe File created C:\Program Files (x86)\System\__tmp_rar_sfx_access_check_240615250 1.exe File opened for modification C:\Program Files (x86)\System\install.bat 1.exe File created C:\Program Files (x86)\System\install.vbs 1.exe File opened for modification C:\Program Files (x86)\System\vp8encoder.dll 1.exe File created C:\Program Files (x86)\System\install.bat 1.exe File created C:\Program Files (x86)\System\rfusclient.exe 1.exe File opened for modification C:\Program Files (x86)\System\rfusclient.exe 1.exe File opened for modification C:\Program Files (x86)\System\rutserv.exe 1.exe File opened for modification C:\Program Files (x86)\System\vp8decoder.dll 1.exe File opened for modification C:\Program Files (x86)\System\install.vbs 1.exe File created C:\Program Files (x86)\System\rutserv.exe 1.exe File created C:\Program Files (x86)\System\vp8decoder.dll 1.exe File created C:\Program Files (x86)\System\vp8encoder.dll 1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 18 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 1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regedit.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rutserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rfusclient.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rutserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rfusclient.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rutserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rfusclient.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.sfx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rutserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-04-08_2f14d6dd2298a92af1b883639fed0e2c_black-basta_luca-stealer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2208 timeout.exe -
Kills process with taskkill 2 IoCs
pid Process 3268 taskkill.exe 544 taskkill.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000_Classes\Local Settings 1.exe -
Runs .reg file with regedit 1 IoCs
pid Process 3012 regedit.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 5096 rutserv.exe 5096 rutserv.exe 5096 rutserv.exe 5096 rutserv.exe 5096 rutserv.exe 5096 rutserv.exe 1636 rutserv.exe 1636 rutserv.exe 3480 rutserv.exe 3480 rutserv.exe 2760 rutserv.exe 2760 rutserv.exe 2760 rutserv.exe 2760 rutserv.exe 2760 rutserv.exe 2760 rutserv.exe 2788 rfusclient.exe 2788 rfusclient.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
pid Process 3476 rfusclient.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 3268 taskkill.exe Token: SeDebugPrivilege 544 taskkill.exe Token: SeDebugPrivilege 5096 rutserv.exe Token: SeDebugPrivilege 3480 rutserv.exe Token: SeTakeOwnershipPrivilege 2760 rutserv.exe Token: SeTcbPrivilege 2760 rutserv.exe Token: SeTcbPrivilege 2760 rutserv.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 5096 rutserv.exe 1636 rutserv.exe 3480 rutserv.exe 2760 rutserv.exe -
Suspicious use of WriteProcessMemory 48 IoCs
description pid Process procid_target PID 3504 wrote to memory of 2160 3504 2025-04-08_2f14d6dd2298a92af1b883639fed0e2c_black-basta_luca-stealer.exe 87 PID 3504 wrote to memory of 2160 3504 2025-04-08_2f14d6dd2298a92af1b883639fed0e2c_black-basta_luca-stealer.exe 87 PID 3504 wrote to memory of 2160 3504 2025-04-08_2f14d6dd2298a92af1b883639fed0e2c_black-basta_luca-stealer.exe 87 PID 2160 wrote to memory of 3448 2160 cmd.exe 91 PID 2160 wrote to memory of 3448 2160 cmd.exe 91 PID 2160 wrote to memory of 3448 2160 cmd.exe 91 PID 3448 wrote to memory of 4400 3448 1.sfx.exe 92 PID 3448 wrote to memory of 4400 3448 1.sfx.exe 92 PID 3448 wrote to memory of 4400 3448 1.sfx.exe 92 PID 4400 wrote to memory of 1112 4400 1.exe 94 PID 4400 wrote to memory of 1112 4400 1.exe 94 PID 4400 wrote to memory of 1112 4400 1.exe 94 PID 1112 wrote to memory of 3596 1112 WScript.exe 95 PID 1112 wrote to memory of 3596 1112 WScript.exe 95 PID 1112 wrote to memory of 3596 1112 WScript.exe 95 PID 3596 wrote to memory of 3268 3596 cmd.exe 97 PID 3596 wrote to memory of 3268 3596 cmd.exe 97 PID 3596 wrote to memory of 3268 3596 cmd.exe 97 PID 3596 wrote to memory of 544 3596 cmd.exe 99 PID 3596 wrote to memory of 544 3596 cmd.exe 99 PID 3596 wrote to memory of 544 3596 cmd.exe 99 PID 3596 wrote to memory of 2868 3596 cmd.exe 100 PID 3596 wrote to memory of 2868 3596 cmd.exe 100 PID 3596 wrote to memory of 2868 3596 cmd.exe 100 PID 3596 wrote to memory of 3012 3596 cmd.exe 101 PID 3596 wrote to memory of 3012 3596 cmd.exe 101 PID 3596 wrote to memory of 3012 3596 cmd.exe 101 PID 3596 wrote to memory of 2208 3596 cmd.exe 104 PID 3596 wrote to memory of 2208 3596 cmd.exe 104 PID 3596 wrote to memory of 2208 3596 cmd.exe 104 PID 3596 wrote to memory of 5096 3596 cmd.exe 107 PID 3596 wrote to memory of 5096 3596 cmd.exe 107 PID 3596 wrote to memory of 5096 3596 cmd.exe 107 PID 3596 wrote to memory of 1636 3596 cmd.exe 108 PID 3596 wrote to memory of 1636 3596 cmd.exe 108 PID 3596 wrote to memory of 1636 3596 cmd.exe 108 PID 3596 wrote to memory of 3480 3596 cmd.exe 109 PID 3596 wrote to memory of 3480 3596 cmd.exe 109 PID 3596 wrote to memory of 3480 3596 cmd.exe 109 PID 2760 wrote to memory of 4316 2760 rutserv.exe 112 PID 2760 wrote to memory of 4316 2760 rutserv.exe 112 PID 2760 wrote to memory of 4316 2760 rutserv.exe 112 PID 2760 wrote to memory of 2788 2760 rutserv.exe 111 PID 2760 wrote to memory of 2788 2760 rutserv.exe 111 PID 2760 wrote to memory of 2788 2760 rutserv.exe 111 PID 2788 wrote to memory of 3476 2788 rfusclient.exe 117 PID 2788 wrote to memory of 3476 2788 rfusclient.exe 117 PID 2788 wrote to memory of 3476 2788 rfusclient.exe 117
Processes
-
C:\Users\Admin\AppData\Local\Temp\2025-04-08_2f14d6dd2298a92af1b883639fed0e2c_black-basta_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2025-04-08_2f14d6dd2298a92af1b883639fed0e2c_black-basta_luca-stealer.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3504 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\1bat.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2160 -
\??\c:\1.sfx.exe1.sfx.exe -p123 -dc:\3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3448 -
C:\1.exe"C:\1.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4400 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\System\install.vbs"5⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\System\install.bat" "6⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3596 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rutserv.exe7⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3268
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rfusclient.exe7⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:544
-
-
C:\Windows\SysWOW64\reg.exereg delete "HKLM\SYSTEM\Remote Manipulator System" /f7⤵
- System Location Discovery: System Language Discovery
PID:2868
-
-
C:\Windows\SysWOW64\regedit.exeregedit /s "regedit.reg"7⤵
- System Location Discovery: System Language Discovery
- Runs .reg file with regedit
PID:3012
-
-
C:\Windows\SysWOW64\timeout.exetimeout 27⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2208
-
-
C:\Program Files (x86)\System\rutserv.exerutserv.exe /silentinstall7⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5096
-
-
C:\Program Files (x86)\System\rutserv.exerutserv.exe /firewall7⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1636
-
-
C:\Program Files (x86)\System\rutserv.exerutserv.exe /start7⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3480
-
-
-
-
-
-
-
C:\Program Files (x86)\System\rutserv.exe"C:\Program Files (x86)\System\rutserv.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Program Files (x86)\System\rfusclient.exe"C:\Program Files (x86)\System\rfusclient.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Program Files (x86)\System\rfusclient.exe"C:\Program Files (x86)\System\rfusclient.exe" /tray3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: SetClipboardViewer
PID:3476
-
-
-
C:\Program Files (x86)\System\rfusclient.exe"C:\Program Files (x86)\System\rfusclient.exe" /tray2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4316
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3.9MB
MD521e526167230e72dc0a89ad2d3904026
SHA147a553ea64603ee1206b47461c17636f827ae903
SHA256ace046cf6dcf04f651f12015482df52e4cbf480c8d05225adccf5d5892e491bf
SHA5122880e9c7ab55982213995e09d4f6407516dcd867c02145db73027a9547cc23c5e8008cc2d66933d754b6de1fcab297cd98671f1e410e2498116565a97a2d8979
-
Filesize
4.2MB
MD5e0687547b0f435233f0c3f9262d8539f
SHA18c5e05af2a778709d4ecf23a45472418a065d1d0
SHA256cc3460e25abaa7fac19bf1479e3a6b6fbf470db615c1b5063d80ba40cf64e6a6
SHA51276e4c3c2262cbdc8be574a5ce645edc0bade535978af53c7f8ed8ab64681c0eee8ca5f08b2cecaf1c8e9b7ff362b1916305475f8e88193d35f58acb06d4aec1e
-
Filesize
21B
MD5fee0aa6ca4a2cf3261ef4355e5eaad3e
SHA17ec388fb3b5df4ab9cbe7690a3e90f3fd4bb3042
SHA256c0d81ffe9fae212d837bf8b4357075f3ffb83508f174c2a7dec0972f48b5865f
SHA512913eba104ccad43e42998ef7c8b06c2d1160e6deeeb03ed5694ad4c304491f364bee8a7840d977ed1a90551fff82e167d2b9e082a1b0aae7085a1e110472678f
-
Filesize
480B
MD599db27d776e103cad354b531ee1f20b9
SHA10b82d146df8528f66d1d14756f211fd3a8b1b91a
SHA256240020a1a1941d1455135b5cb134e502a13b148be16cbb1552482aa03c29f8f3
SHA512bc2ed33495c0a752397b2f1b9b7ba65f94ea5be82dde74c618342c83b68f1b92a4783b672cd427843533799e1af0875e0fd000b12236852e9e2fa93005d7ac69
-
Filesize
117B
MD565fc32766a238ff3e95984e325357dbb
SHA13ac16a2648410be8aa75f3e2817fbf69bb0e8922
SHA256a7b067e9e4d44efe579c7cdb1e847d61af2323d3d73c6fffb22e178ae476f420
SHA512621e81fc2d0f9dd92413481864638a140bee94c7dbd31f944826b21bd6ad6b8a59e63de9f7f0025cffc0efb7f9975dde77f523510ee23ada62c152a63a22f608
-
Filesize
11KB
MD5a69bf7aca8b78f60cb1009034b42f533
SHA1fbc9e30bc30d6eb4f5069f1c896b5b2e418b6c86
SHA2563d8bfe245670be69bafbaf3e90124c04577e9e31a811957ab89f37341dcbe151
SHA512d364d3455e78d4ec9a420104c179fdabe658e943a8168034f85df3ec7f0afce2f785f8ec5ed96f79563acb2e061bf4ed7a4941155c5abf7bafb9846ff80c7f9a
-
Filesize
1.5MB
MD5b8667a1e84567fcf7821bcefb6a444af
SHA19c1f91fe77ad357c8f81205d65c9067a270d61f0
SHA256dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
SHA512ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852
-
Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
-
Filesize
155KB
MD588318158527985702f61d169434a4940
SHA13cc751ba256b5727eb0713aad6f554ff1e7bca57
SHA2564c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74
SHA5125d88562b6c6d2a5b14390512712819238cd838914f7c48a27f017827cb9b825c24ff05a30333427acec93cd836e8f04158b86d17e6ac3dd62c55b2e2ff4e2aff
-
Filesize
593KB
MD56298c0af3d1d563834a218a9cc9f54bd
SHA10185cd591e454ed072e5a5077b25c612f6849dc9
SHA25681af82019d9f45a697a8ca1788f2c5c0205af9892efd94879dedf4bc06db4172
SHA512389d89053689537cdb582c0e8a7951a84549f0c36484db4346c31bdbe7cb93141f6a354069eb13e550297dc8ec35cd6899746e0c16abc876a0fe542cc450fffe