Analysis
- max time kernel
64s - max time network
155s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system - submitted
12/01/2024, 10:48
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ad1e983cf567b1dc01c123b5e90ae9a8.exe
Resource
win7-20231215-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
ad1e983cf567b1dc01c123b5e90ae9a8.exe
Resource
win10v2004-20231222-en
12 signatures
150 seconds
General
- Target ad1e983cf567b1dc01c123b5e90ae9a8.exe
- Size 256KB
- Sample240112-mv6kfaeddm
- SHA256 5bd2b2d7fd28e9ae752fd2e5b669d4b7882f733bb22a4217a4822c5325246647
- MD5 ad1e983cf567b1dc01c123b5e90ae9a8
- SHA1 22bd21477e92f2f914f077016414907c0dc12fea
- SHA512 c75dbbb26978d369c5a4600e46574ebb5e1e49306aa25fca9225d49e5a08e5113b1b59aa085a23e24c1db794dbab574d36186c2b6daae4763ae527ba15a7804a
- SSDEEP 3072:xSfU5wqLWYLlsOS24ZV1TJi9N1K4SSy8PpaeMbZ07KY5Z8GRk3xZ077X+4rm7TV:IfUjLGZV10yWZDnE3xU
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Version
-
2022
C2
-
http://selebration17io.io/index.php
-
http://vacantion18ffeu.cc/index.php
-
http://valarioulinity1.net/index.php
-
http://buriatiarutuhuob.net/index.php
-
http://cassiosssionunu.me/index.php
-
http://sulugilioiu19.net/index.php
-
http://goodfooggooftool.net/index.php
rc4.i32
rc4.i32
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Deletes itself 2 IoCs
pid Process 1420 Process not Found 1420 Process not Found - Executes dropped EXE 6 IoCs
pid Process 2616 33FD.exe 2604 33FD.exe 2840 8365.exe 2616 33FD.exe 2604 33FD.exe 2840 8365.exe - Loads dropped DLL 6 IoCs
pid Process 2828 regsvr32.exe 2616 33FD.exe 2604 33FD.exe 2828 regsvr32.exe 2616 33FD.exe 2604 33FD.exe -
resource yara_rule behavioral1/memory/2604-31-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2604-34-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2604-35-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2604-36-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2604-37-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2604-38-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2604-69-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2604-31-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2604-34-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2604-35-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2604-36-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2604-37-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2604-38-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2604-69-0x0000000000400000-0x0000000000848000-memory.dmp upx - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CSRSS = "\"C:\\ProgramData\\Drivers\\csrss.exe\"" 33FD.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CSRSS = "\"C:\\ProgramData\\Drivers\\csrss.exe\"" 33FD.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2616 set thread context of 2604 2616 33FD.exe 33 PID 2616 set thread context of 2604 2616 33FD.exe 69 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ad1e983cf567b1dc01c123b5e90ae9a8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ad1e983cf567b1dc01c123b5e90ae9a8.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ad1e983cf567b1dc01c123b5e90ae9a8.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ad1e983cf567b1dc01c123b5e90ae9a8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ad1e983cf567b1dc01c123b5e90ae9a8.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ad1e983cf567b1dc01c123b5e90ae9a8.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1732 ad1e983cf567b1dc01c123b5e90ae9a8.exe 1732 ad1e983cf567b1dc01c123b5e90ae9a8.exe 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1732 ad1e983cf567b1dc01c123b5e90ae9a8.exe 1732 ad1e983cf567b1dc01c123b5e90ae9a8.exe - Suspicious use of WriteProcessMemory 58 IoCs
description pid Process procid_target PID 1420 wrote to memory of 2944 1420 Process not Found 30 PID 1420 wrote to memory of 2944 1420 Process not Found 30 PID 1420 wrote to memory of 2944 1420 Process not Found 30 PID 1420 wrote to memory of 2944 1420 Process not Found 30 PID 1420 wrote to memory of 2944 1420 Process not Found 30 PID 2944 wrote to memory of 2828 2944 regsvr32.exe 31 PID 2944 wrote to memory of 2828 2944 regsvr32.exe 31 PID 2944 wrote to memory of 2828 2944 regsvr32.exe 31 PID 2944 wrote to memory of 2828 2944 regsvr32.exe 31 PID 2944 wrote to memory of 2828 2944 regsvr32.exe 31 PID 2944 wrote to memory of 2828 2944 regsvr32.exe 31 PID 2944 wrote to memory of 2828 2944 regsvr32.exe 31 PID 1420 wrote to memory of 2616 1420 Process not Found 32 PID 1420 wrote to memory of 2616 1420 Process not Found 32 PID 1420 wrote to memory of 2616 1420 Process not Found 32 PID 1420 wrote to memory of 2616 1420 Process not Found 32 PID 2616 wrote to memory of 2604 2616 33FD.exe 33 PID 2616 wrote to memory of 2604 2616 33FD.exe 33 PID 2616 wrote to memory of 2604 2616 33FD.exe 33 PID 2616 wrote to memory of 2604 2616 33FD.exe 33 PID 2616 wrote to memory of 2604 2616 33FD.exe 33 PID 2616 wrote to memory of 2604 2616 33FD.exe 33 PID 2616 wrote to memory of 2604 2616 33FD.exe 33 PID 2616 wrote to memory of 2604 2616 33FD.exe 33 PID 2616 wrote to memory of 2604 2616 33FD.exe 33 PID 1420 wrote to memory of 2840 1420 Process not Found 34 PID 1420 wrote to memory of 2840 1420 Process not Found 34 PID 1420 wrote to memory of 2840 1420 Process not Found 34 PID 1420 wrote to memory of 2840 1420 Process not Found 34 PID 1420 wrote to memory of 2944 1420 Process not Found 66 PID 1420 wrote to memory of 2944 1420 Process not Found 66 PID 1420 wrote to memory of 2944 1420 Process not Found 66 PID 1420 wrote to memory of 2944 1420 Process not Found 66 PID 1420 wrote to memory of 2944 1420 Process not Found 66 PID 2944 wrote to memory of 2828 2944 regsvr32.exe 67 PID 2944 wrote to memory of 2828 2944 regsvr32.exe 67 PID 2944 wrote to memory of 2828 2944 regsvr32.exe 67 PID 2944 wrote to memory of 2828 2944 regsvr32.exe 67 PID 2944 wrote to memory of 2828 2944 regsvr32.exe 67 PID 2944 wrote to memory of 2828 2944 regsvr32.exe 67 PID 2944 wrote to memory of 2828 2944 regsvr32.exe 67 PID 1420 wrote to memory of 2616 1420 Process not Found 68 PID 1420 wrote to memory of 2616 1420 Process not Found 68 PID 1420 wrote to memory of 2616 1420 Process not Found 68 PID 1420 wrote to memory of 2616 1420 Process not Found 68 PID 2616 wrote to memory of 2604 2616 33FD.exe 69 PID 2616 wrote to memory of 2604 2616 33FD.exe 69 PID 2616 wrote to memory of 2604 2616 33FD.exe 69 PID 2616 wrote to memory of 2604 2616 33FD.exe 69 PID 2616 wrote to memory of 2604 2616 33FD.exe 69 PID 2616 wrote to memory of 2604 2616 33FD.exe 69 PID 2616 wrote to memory of 2604 2616 33FD.exe 69 PID 2616 wrote to memory of 2604 2616 33FD.exe 69 PID 2616 wrote to memory of 2604 2616 33FD.exe 69 PID 1420 wrote to memory of 2840 1420 Process not Found 70 PID 1420 wrote to memory of 2840 1420 Process not Found 70 PID 1420 wrote to memory of 2840 1420 Process not Found 70 PID 1420 wrote to memory of 2840 1420 Process not Found 70
Processes
-
C:\Users\Admin\AppData\Local\Temp\ad1e983cf567b1dc01c123b5e90ae9a8.exe"C:\Users\Admin\AppData\Local\Temp\ad1e983cf567b1dc01c123b5e90ae9a8.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1732
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\52F.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2944 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\52F.dll2⤵
- Loads dropped DLL
PID:2828
-
-
C:\Users\Admin\AppData\Local\Temp\33FD.exeC:\Users\Admin\AppData\Local\Temp\33FD.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Users\Admin\AppData\Local\Temp\33FD.exeC:\Users\Admin\AppData\Local\Temp\33FD.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
PID:2604
-
-
C:\Users\Admin\AppData\Local\Temp\8365.exeC:\Users\Admin\AppData\Local\Temp\8365.exe1⤵
- Executes dropped EXE
PID:2840
-
C:\Users\Admin\AppData\Local\Temp\8C99.exeC:\Users\Admin\AppData\Local\Temp\8C99.exe1⤵PID:852
-
C:\Users\Admin\AppData\Local\Temp\ad1e983cf567b1dc01c123b5e90ae9a8.exe"C:\Users\Admin\AppData\Local\Temp\ad1e983cf567b1dc01c123b5e90ae9a8.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1732
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\52F.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2944 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\52F.dll2⤵
- Loads dropped DLL
PID:2828
-
-
C:\Users\Admin\AppData\Local\Temp\33FD.exeC:\Users\Admin\AppData\Local\Temp\33FD.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Users\Admin\AppData\Local\Temp\33FD.exeC:\Users\Admin\AppData\Local\Temp\33FD.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
PID:2604
-
-
C:\Users\Admin\AppData\Local\Temp\8365.exeC:\Users\Admin\AppData\Local\Temp\8365.exe1⤵
- Executes dropped EXE
PID:2840
-
C:\Users\Admin\AppData\Local\Temp\8C99.exeC:\Users\Admin\AppData\Local\Temp\8C99.exe1⤵PID:852
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\33FD.exe
- Size 1024KB
- SHA256 021b05cba3bbdf82299ab399b0f1bb03176d6ae7b31b3252cf87bba2401155d0
- MD5 cde9d72ba0823418bd0c4a61355c3628
- SHA1 2b1ee080a1e806137f59309c5462eed11ebbabe5
- SHA512 0ac376def4e4230d5fdcc88349d531a934837a3074d29b6ab8e5327c1fcb0d2077834663fcbb54edbd372da7bb9392ffffb271316d149f725bc085c7db99da09
- SSDEEP 24576:a8Frm8d2jQH1DBsuQuombLwXDmqBoo+qKeW5n:TDBsvufLwzmqBoh5n
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\33FD.exe
- Size 1.9MB
- SHA256 b68fc549194dfd2646a1e122544eb1e20df77f8a317f94e24cd41fb65d112e4b
- MD5 39f210b63e58e70e5878bb8be6a32f24
- SHA1 e43ab6d9286fcec5c5fa2da741cd164d6ff00066
- SHA512 9f2155681c3c6857f29b8f8dc1b3a9356c785af31a3349fdb85d188ccb6ed4ac785ec3e03fece24b907cfce7270c4d6bac3e0784f3db7000d098f6cd93fbb698
- SSDEEP 49152:TDBsvufLwzmqBoh5ROrvPE/JIlGb9E1ifraCV:JsWfL0foh5ROjcxLNfr9
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\33FD.exe
- Size 1.3MB
- SHA256 2095b012ab6a316fb6b3d893ecd9d58f7fc1af5957cfe57587b8e6c2077b893d
- MD5 12b4ed7df5b70590011b6d2e58018f05
- SHA1 cc3a31430fbc9782c6f878ccf7cfb94efcfbc9f4
- SHA512 7810e2612ee5c715455b2066828f145c816eec87c32bcce8cbecd617af95b3678a7a2448e6bfff3f877bd426930dfbdab2d8c37d531a73046f0ac882fc5d4201
- SSDEEP 24576:a8Frm8d2jQH1DBsuQuombLwXDmqBoo+qKeW5ROg6/HPan/JpSLp5cbB:TDBsvufLwzmqBoh5ROrvPE/JIlGbB
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\33FD.exe
- Size 362KB
- SHA256 771b242fb691dcab2a66a766e322af188844dd116257e757809047849bdfe173
- MD5 a847567a82fbaef72a28ce8b41582bbb
- SHA1 22efb4ab50c146c3fc3b779da05adaeef8520df9
- SHA512 a8a374e40495e932dd513541df68990f51a254cafa95683816cce5438980b2abfe578d985eca9273f910f5908645105a0b18af4ffe9e9e2c33095f4a8919eb35
- SSDEEP 6144:adLOCQ/TVdDFgW9hFITrvwd2lO2ZNhhL1KHsCI+GMB1BLQbQPtRd9Es:adCCQ/T/Dqzod2VNLQHsh+XTBLQuQs
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\52F.dll
- Size 2.1MB
- SHA256 2145cc1bb4315c608aa187ccbabe3aa5699d71727aa65a2b0fef88f01e21c377
- MD5 f7aa8fbe5826351166c863d1edce8105
- SHA1 5a07b24e0c065feeafa6a833853ddfa31da122fa
- SHA512 8f2f31003fa4c1b0191c28585d8e7a738d00e89140c0984aec19cf899c37b8bd8dcafbdc82f334b602a10081288c312214e610fda031227d4321fe29f079bacc
- SSDEEP 49152:CSvlFunQ9ZC1c/wBR2xIgpGc/Ln+dywOcLZFjtKP67HPle:CS3uQPxxIgpv+owOUHj8P6J
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\8365.exe
- Size 311KB
- SHA256 7368a343ae9967ce44d151f56497053681d22439c6901a1bdd6b945c70c277f6
- MD5 4796f59baaa9d46d9bebb261844b5b76
- SHA1 d8d191facf1624ce5a919093fa2ab0b5df1aed5a
- SHA512 616e32737965606770a6faf507c5e8089f3e864f424ada39bf369a3cd40883886f27d07583f638f2b08269ffb50af0ecedbe0ce694e5cce90c516d8b3d528012
- SSDEEP 3072:R8z2aLRY7QM9KSzqK55EIe6HPJXKG1KBTFZ4+hwwKgMOtwI5sTI3yU6BFwj0:R+DLR4KSLEIeIYBTFu+HsuGc3y0
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\8C99.exe
- Size 2.1MB
- SHA256 0e22c37b7d933ab481d28a74e07756ab3bdd7aab02af6834b9b46ac296f5c371
- MD5 0942b2ec8a857c417eadc5a3d75a07fa
- SHA1 ad7a3e6e1faf5db64c1c2dbb2a278257f75dcf4c
- SHA512 ef04b2bde9574b66d004682bf37220a8277b81f1503ed74ff12e7f6e3b5c38fb974b53b04913dcf1f17b07580de478f85df798acc9d6da4d13ea4e8b9648d8ed
- SSDEEP 49152:Er2uMazs/4X+qarTsgLe5N66PVK0XdkLT1TSJXx8CuY0fE:92w/4XirAyw5Vdjuo
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\8C99.exe
- Size 3.1MB
- SHA256 7a37530e305aa0b65e4a37e9edf7ff38a3ea1be6d7a3f89b28c35773944c4b7a
- MD5 5dd7708dbcb70b5a839e3404eb47a02b
- SHA1 e576cd83fcb198599dbe8ed571764a3742af5104
- SHA512 37a45be089158e76b0a4dcf40f79554aa760a1731c2d6820520c45eed66d9d0d7b0a0f1bb2b377c3f294b9af5e9b9f55c10bf7f0ec794ed8d0fdc007f99efed8
- SSDEEP 49152:Er2uMazs/4X+qarTsgLe5N66PVK0XdkLT1TSJXx8CuY0f7ryH:92w/4XirAyw5Vdjug
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\33FD.exe
- Size 1.4MB
- SHA256 7b65943873e5dc0e5a3cb6af85f3846dc2a50c06c107f09c458122bbeba15ff1
- MD5 46004beca4961c0e47772a14aa767e43
- SHA1 5224e61fabe4483fe79c06d5c2678ebc3aa97a04
- SHA512 793670c4d20ad61fae59c8924e4abb11d2938a478393dc4e3ef15e961761c68a65298aa237ba4983b28517677b329270a8d1617ee5c7b1b59f3869aa256c59b2
- SSDEEP 24576:a8Frm8d2jQH1DBsuQuombLwXDmqBoo+qKeW5ROg6/HPan/JpSLp5cb9Eh:TDBsvufLwzmqBoh5ROrvPE/JIlGb9Eh
- MD5 SHA1 SHA512 SSDEEP