Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
16/01/2023, 04:31
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
6 signatures
150 seconds
General
- Target file.exe
- Size 210KB
- Sample230116-e5dcmsdb8w
- SHA256 8df105affac7a3c0348efdb7c5f1f159acceda0c13d5f318e611e5528e82d874
- MD5 92bb8675d4eedd4d50603597ce85dbbf
- SHA1 618f820d738a192c3e70875b01a612df48c03698
- SHA512 22ef20a9f4110f5718dacbc81f75dd94c96756b60b34c9d4058d78e68b58d0e4ce7bfb717b996ff26eb1c8dcabd30dbe3a641491a4c57f74a1ce89a9a2e4c564
- SSDEEP 3072:1MXWFheF3d56wEZf+iV9uAw7Xw3c249xSqQNqi:1InFapZfMAb3Fh
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
lumma
C2
-
77.73.134.68
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/4076-133-0x0000000002D30000-0x0000000002D39000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 3248 272A.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Program crash 1 IoCs
pid pid_target Process procid_target 2616 3248 WerFault.exe 89 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4076 file.exe 4076 file.exe 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found 2032 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2032 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4076 file.exe - Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeShutdownPrivilege 2032 Process not Found Token: SeCreatePagefilePrivilege 2032 Process not Found Token: SeShutdownPrivilege 2032 Process not Found Token: SeCreatePagefilePrivilege 2032 Process not Found Token: SeShutdownPrivilege 2032 Process not Found Token: SeCreatePagefilePrivilege 2032 Process not Found Token: SeShutdownPrivilege 2032 Process not Found Token: SeCreatePagefilePrivilege 2032 Process not Found Token: SeShutdownPrivilege 2032 Process not Found Token: SeCreatePagefilePrivilege 2032 Process not Found Token: SeShutdownPrivilege 2032 Process not Found Token: SeCreatePagefilePrivilege 2032 Process not Found Token: SeShutdownPrivilege 2032 Process not Found Token: SeCreatePagefilePrivilege 2032 Process not Found - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2032 wrote to memory of 3248 2032 Process not Found 89 PID 2032 wrote to memory of 3248 2032 Process not Found 89 PID 2032 wrote to memory of 3248 2032 Process not Found 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4076
-
C:\Users\Admin\AppData\Local\Temp\272A.exeC:\Users\Admin\AppData\Local\Temp\272A.exe1⤵
- Executes dropped EXE
PID:3248 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3248 -s 13602⤵
- Program crash
PID:2616
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3248 -ip 32481⤵PID:1292
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\272A.exe
- Size 248KB
- SHA256 7b9e17219d79e0535177f413836088cf5fafb5854f3d2b18856a9834e0ef2084
- MD5 e2d40676fa2b1dd7966d50ccbf5acbde
- SHA1 e54498df173d571cff586b7594762b054ced5ea6
- SHA512 3b70d0ad0b660360381654a63bc4989a982ba505ae2183bc4b31573c083eb703c8c01ae57df7c48a4dde937774067fbd7680054c90b50abcb7e056bc445059df
- SSDEEP 3072:9MX2Ute7uzcCd57wA9ZuRuzXlRfG8qL8o3pYoA3P1i:9IPzQAuYX/GfQCR
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\272A.exe
- Size 248KB
- SHA256 7b9e17219d79e0535177f413836088cf5fafb5854f3d2b18856a9834e0ef2084
- MD5 e2d40676fa2b1dd7966d50ccbf5acbde
- SHA1 e54498df173d571cff586b7594762b054ced5ea6
- SHA512 3b70d0ad0b660360381654a63bc4989a982ba505ae2183bc4b31573c083eb703c8c01ae57df7c48a4dde937774067fbd7680054c90b50abcb7e056bc445059df
- SSDEEP 3072:9MX2Ute7uzcCd57wA9ZuRuzXlRfG8qL8o3pYoA3P1i:9IPzQAuYX/GfQCR
- MD5 SHA1 SHA512 SSDEEP