Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/08/2026, 17:39
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe
Resource
win10v2004-20260513-en
14 signatures
150 seconds
General
- Target 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe
- Size 820KB
- Sample260808-v8eymsar9s
- SHA256 61e4d0748a9d49500dae6818447d911ededbf848bc2a1a04fc878d62d160d531
- MD5 8501329b9e1508d59f61edbc420fefde
- SHA1 91bb8663a4b37a46764994fa27a1abe1e3c7f4dd
- SHA512 cfb6bfae79f7b3269cafaaef4de9f96ce7d64028d2dc370bb685f033fe897b48ab98162d97bab3365876d94b73676906e2f220eb2fe4261dd657ffc32e115af6
- SSDEEP 12288:RaWzgM07v3qnCiKErQohh0F4oCJeXny9Qr8VUcOHpu+PEmBjvrEH7q5:AaHgv6Cerjany9Qr8eY4EwrEH7m
- TLSH T17F05CF12F2C682F6D9A33A75296BE336AB316D1C4323C49797E03E729F311415B3A365
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000a000000011390-1.dat floxif - UPX dump on OEP (original entry point) 7 IoCs
resource yara_rule behavioral2/memory/3556-4-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/files/0x000a000000011390-1.dat UPX behavioral2/memory/3556-21-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/3556-25-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/3556-27-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/3556-32-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/3556-36-0x0000000010000000-0x0000000010030000-memory.dmp UPX - ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000a000000011390-1.dat acprotect - Loads dropped DLL 1 IoCs
pid Process 3556 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe - Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\d: 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe -
resource yara_rule behavioral2/memory/3556-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/files/0x000a000000011390-1.dat upx behavioral2/memory/3556-21-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3556-25-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3556-27-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3556-32-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3556-36-0x0000000010000000-0x0000000010030000-memory.dmp upx - Drops file in Program Files directory 2 IoCs
description ioc Process File created \??\c:\program files\common files\system\symsrv.dll.000 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe File created C:\Program Files\Common Files\System\symsrv.dll 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 1 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 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe - Checks SCSI registry key(s) 3 TTPs 2 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_HL-DT-ST_DVD+-RW\4&215468A5&0&010000 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3556 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe 3556 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe 3556 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe 3556 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe 3556 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe 3556 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe 3556 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe 3556 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3556 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3556 2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_8501329b9e1508d59f61edbc420fefde_agent-tesla_backswap_elex_floxif_stop.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3556
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\Common Files\System\symsrv.dll
- Size 67KB
- SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
- MD5 7574cf2c64f35161ab1292e2f532aabf
- SHA1 14ba3fa927a06224dfe587014299e834def4644f
- SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
- SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZL:c8y93KQjy7G55riF1cMo03V
- TLSH T17863F1372AB5807DDD210D37949F835AB771E5A76C20643FC25907D988B8DD0E3239AE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Common Files\System\symsrv.dll.000
- Size 114B
- SHA256 aefc503b1ed462d7b6280228a7b5b710792273b78934426f88325341ac5b5a92
- MD5 e609411db8aa6775d0344c75c23ae79b
- SHA1 1d2ff6194bf159ce36cd0461cd3da29486d1e97d
- SHA512 6884ff5c07bc687132c965a59cb8c5a898a25da74c6c846c1d6089ddca8007cb7e4d2f8520bdce9fbcf6e2f9c9e5c28d8c8d6d049d3522470bdc7d38bbfa0ad0
- TLSH T1FFB09262AA2791EAE1AA224505A0248C1ED0B62AB48638002EBA5A4E93256A85916147
- MD5 SHA1 SHA512 TLSH