floxif | 5efcc1ed09ef2dc1f01a946d969ff37d529193fa525bef92afede9868a16e6d2

Analysis

max time kernel
148s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/07/2026, 01:04

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General

Target
2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe
Size 2.3MB
Sample260723-bfazfaydkd
SHA256 5efcc1ed09ef2dc1f01a946d969ff37d529193fa525bef92afede9868a16e6d2
MD5 d25e47754d4e739dfea458b9d203ebea
SHA1 09c818e86cc1a79ff3f027371a31badfd183a4b7
SHA512 94a9c5663113929ab2a027326fa60f8b2c2006f0890a95164e4b0dcd24d59675a1bd5a59553ae850a0b354a6c9a739cbb6682bca697046dc69b7110f803d7616
SSDEEP 49152:/80cZHgJevFz9q4fcuBSccghdccyt4ZVqt:002A4jByghPq2C
TLSH
T1D5B5BF017391837EF9D366B29CD47D3687B43E450B11488B72AC7F1ABB721B2AD78219
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor discovery execution floxif trojan upx

Malware Config

Signatures

Family: Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
backdoor trojan floxif

Detects Floxif payload 1 IoCs

backdoor

resource	yara_rule
behavioral2/files/0x000b000000011371-1.dat	floxif

UPX dump on OEP (original entry point) 8 IoCs

resource	yara_rule
behavioral2/files/0x000b000000011371-1.dat	UPX
behavioral2/memory/4980-3-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4980-12-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4980-16-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4980-18-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4980-19-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4980-23-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4980-24-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000b000000011371-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\d:	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe

Executes a VBScript file via the Windows Script Host. 1 TTPs 15 IoCs

execution

Visual Basic

T1059.005

pid	Process
1432	cscript.exe
1860	cscript.exe
2392	cscript.exe
2684	cscript.exe
3656	cscript.exe
3320	cscript.exe
4632	cscript.exe
2524	cscript.exe
2972	cscript.exe
6092	cscript.exe
4048	cscript.exe
3104	cscript.exe
5416	cscript.exe
2440	cscript.exe
5768	cscript.exe

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000b000000011371-1.dat	upx
behavioral2/memory/4980-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4980-12-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4980-16-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4980-18-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4980-19-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4980-23-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4980-24-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe
File created	\??\c:\program files\common files\system\symsrv.dll.000	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe

Executes a command shell one-liner 1 TTPs 16 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
5420	cmd.exe
4840	cmd.exe
4888	cmd.exe
4484	cmd.exe
4408	cmd.exe
3552	cmd.exe
5220	cmd.exe
912	cmd.exe
5584	cmd.exe
788	cmd.exe
1404	cmd.exe
5084	cmd.exe
4148	cmd.exe
2116	cmd.exe
3008	cmd.exe
2428	cmd.exe

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe
4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe
4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe
4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe
4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe
4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe
4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe
4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 5420	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe	89
PID 4980 wrote to memory of 4840	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe	91
PID 4840 wrote to memory of 3656	4840	cmd.exe	93
PID 4980 wrote to memory of 4888	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe	95
PID 4888 wrote to memory of 3320	4888	cmd.exe	97
PID 4980 wrote to memory of 2116	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe	101
PID 2116 wrote to memory of 4632	2116	cmd.exe	103
PID 4980 wrote to memory of 4408	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe	105
PID 4408 wrote to memory of 3104	4408	cmd.exe	107
PID 4980 wrote to memory of 4484	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe	108
PID 4484 wrote to memory of 2524	4484	cmd.exe	110
PID 4980 wrote to memory of 788	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe	111
PID 788 wrote to memory of 5416	788	cmd.exe	113
PID 4980 wrote to memory of 3008	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe	114
PID 3008 wrote to memory of 2440	3008	cmd.exe	116
PID 4980 wrote to memory of 1404	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe	117
PID 1404 wrote to memory of 5768	1404	cmd.exe	119
PID 4980 wrote to memory of 3552	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe	120
PID 3552 wrote to memory of 2972	3552	cmd.exe	122
PID 4980 wrote to memory of 5220	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe	123
PID 5220 wrote to memory of 1432	5220	cmd.exe	125
PID 4980 wrote to memory of 912	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe	126
PID 912 wrote to memory of 6092	912	cmd.exe	128
PID 4980 wrote to memory of 5084	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe	129
PID 5084 wrote to memory of 2392	5084	cmd.exe	131
PID 4980 wrote to memory of 2428	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe	132
PID 2428 wrote to memory of 2684	2428	cmd.exe	134
PID 4980 wrote to memory of 4148	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe	135
PID 4148 wrote to memory of 1860	4148	cmd.exe	137
PID 4980 wrote to memory of 5584	4980	2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe	138
PID 5584 wrote to memory of 4048	5584	cmd.exe	140

C:\Users\Admin\AppData\Local\Temp\2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-23_d25e47754d4e739dfea458b9d203ebea_amadey_elex_floxif_wannacry.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4980
- C:\Windows\system32\cmd.exe
  "C:\Windows\Sysnative\cmd.exe" /c ver.exe
  2⤵
  - Executes a command shell one-liner
  PID:5420
- C:\Windows\system32\cmd.exe
  "C:\Windows\Sysnative\cmd.exe" /c cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /dlv All
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:4840
- - C:\Windows\System32\cscript.exe
    cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /dlv All
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    PID:3656
- C:\Windows\system32\cmd.exe
  "C:\Windows\Sysnative\cmd.exe" /c cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /ipk KBN8V-HFGQ4-MGXVD-347P6-PDQGT
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:4888
- - C:\Windows\System32\cscript.exe
    cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /ipk KBN8V-HFGQ4-MGXVD-347P6-PDQGT
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    PID:3320
- C:\Windows\system32\cmd.exe
  "C:\Windows\Sysnative\cmd.exe" /c cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /dlv All
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:2116
- - C:\Windows\System32\cscript.exe
    cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /dlv All
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    PID:4632
- C:\Windows\system32\cmd.exe
  "C:\Windows\Sysnative\cmd.exe" /c cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /ipk KBN8V-HFGQ4-MGXVD-347P6-PDQGT
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:4408
- - C:\Windows\System32\cscript.exe
    cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /ipk KBN8V-HFGQ4-MGXVD-347P6-PDQGT
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    PID:3104
- C:\Windows\system32\cmd.exe
  "C:\Windows\Sysnative\cmd.exe" /c cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /dlv All
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:4484
- - C:\Windows\System32\cscript.exe
    cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /dlv All
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    PID:2524
- C:\Windows\system32\cmd.exe
  "C:\Windows\Sysnative\cmd.exe" /c cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /ipk KBN8V-HFGQ4-MGXVD-347P6-PDQGT
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:788
- - C:\Windows\System32\cscript.exe
    cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /ipk KBN8V-HFGQ4-MGXVD-347P6-PDQGT
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    PID:5416
- C:\Windows\system32\cmd.exe
  "C:\Windows\Sysnative\cmd.exe" /c cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /dlv All
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:3008
- - C:\Windows\System32\cscript.exe
    cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /dlv All
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    PID:2440
- C:\Windows\system32\cmd.exe
  "C:\Windows\Sysnative\cmd.exe" /c cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /ipk KBN8V-HFGQ4-MGXVD-347P6-PDQGT
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:1404
- - C:\Windows\System32\cscript.exe
    cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /ipk KBN8V-HFGQ4-MGXVD-347P6-PDQGT
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    PID:5768
- C:\Windows\system32\cmd.exe
  "C:\Windows\Sysnative\cmd.exe" /c cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /dlv All
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:3552
- - C:\Windows\System32\cscript.exe
    cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /dlv All
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    PID:2972
- C:\Windows\system32\cmd.exe
  "C:\Windows\Sysnative\cmd.exe" /c cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /ipk KBN8V-HFGQ4-MGXVD-347P6-PDQGT
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:5220
- - C:\Windows\System32\cscript.exe
    cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /ipk KBN8V-HFGQ4-MGXVD-347P6-PDQGT
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    PID:1432
- C:\Windows\system32\cmd.exe
  "C:\Windows\Sysnative\cmd.exe" /c cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /dlv All
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:912
- - C:\Windows\System32\cscript.exe
    cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /dlv All
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    PID:6092
- C:\Windows\system32\cmd.exe
  "C:\Windows\Sysnative\cmd.exe" /c cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /ipk KBN8V-HFGQ4-MGXVD-347P6-PDQGT
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:5084
- - C:\Windows\System32\cscript.exe
    cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /ipk KBN8V-HFGQ4-MGXVD-347P6-PDQGT
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    PID:2392
- C:\Windows\system32\cmd.exe
  "C:\Windows\Sysnative\cmd.exe" /c cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /dlv All
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\System32\cscript.exe
    cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /dlv All
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    PID:2684
- C:\Windows\system32\cmd.exe
  "C:\Windows\Sysnative\cmd.exe" /c cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /ipk KBN8V-HFGQ4-MGXVD-347P6-PDQGT
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:4148
- - C:\Windows\System32\cscript.exe
    cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /ipk KBN8V-HFGQ4-MGXVD-347P6-PDQGT
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    PID:1860
- C:\Windows\system32\cmd.exe
  "C:\Windows\Sysnative\cmd.exe" /c cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /dlv All
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:5584
- - C:\Windows\System32\cscript.exe
    cscript.exe C:\Windows\System32\slmgr.vbs //NoLogo /dlv All
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    PID:4048

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Visual Basic

T1059.005

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

symsrv.dll

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

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symsrv.dll.000

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

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memory/4980-3-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/4980-12-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/4980-16-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/4980-18-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/4980-19-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/4980-23-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/4980-24-0x0000000010000000-0x0000000010030000-memory.dmp

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