floxif | fd55aa8446c37661b75a6ce76dffec22728e38e00f8a87295fbb0330b4c83b48

Analysis

max time kernel
148s
max time network
130s
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, 03:27

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General

Target
2026-08-08_68cf77db78e380c318f284898e30ce79_coinminer_driverpack_elex_floxif_wannacry.exe
Size 1.4MB
Sample260808-dzykyssvdy
SHA256 fd55aa8446c37661b75a6ce76dffec22728e38e00f8a87295fbb0330b4c83b48
MD5 68cf77db78e380c318f284898e30ce79
SHA1 ae952cf51a2cfa18e103c56712f552983bcf96aa
SHA512 b75a0ce5f97102d5a91f7d670611e86011145952cb6fe2f14b2c8932c1bd96437d055dd4f779b37ede44078d0b805513f5bc8854b04c325cb1549d01de4cadac
SSDEEP 24576:O53uhmHFnzNOdLw2Owp7gDSdqNapbefUK6fvkwTa6S7ZxICaoags1Dhkl8PutrEU:O5+hmlzslw2OwpOOq7fHkvkwTaBZSVL2
TLSH
T151652350B18643FEC6D1293036283A551DF6FD3D0B2B02C3A796350A5B3EAD39B7D616
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/0x0008000000019cc1-1.dat	floxif

Detects executables referencing many IR and analysis tools 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c52e-51.dat	INDICATOR_SUSPICIOUS_References_SecTools

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral2/files/0x0008000000019cc1-1.dat	UPX
behavioral2/memory/2748-4-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/2748-92-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0008000000019cc1-1.dat	acprotect

Executes dropped EXE 2 IoCs

pid	Process
5932	GoClean.exe
3180	GoCleanUp.exe

Loads dropped DLL 1 IoCs

pid	Process
2748	2026-08-08_68cf77db78e380c318f284898e30ce79_coinminer_driverpack_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:	2026-08-08_68cf77db78e380c318f284898e30ce79_coinminer_driverpack_elex_floxif_wannacry.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000019cc1-1.dat	upx
behavioral2/memory/2748-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2748-92-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2026-08-08_68cf77db78e380c318f284898e30ce79_coinminer_driverpack_elex_floxif_wannacry.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 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
4724	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	GoClean.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GoCleanUp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-08_68cf77db78e380c318f284898e30ce79_coinminer_driverpack_elex_floxif_wannacry.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2748	2026-08-08_68cf77db78e380c318f284898e30ce79_coinminer_driverpack_elex_floxif_wannacry.exe
2748	2026-08-08_68cf77db78e380c318f284898e30ce79_coinminer_driverpack_elex_floxif_wannacry.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	2026-08-08_68cf77db78e380c318f284898e30ce79_coinminer_driverpack_elex_floxif_wannacry.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2748	2026-08-08_68cf77db78e380c318f284898e30ce79_coinminer_driverpack_elex_floxif_wannacry.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5932	GoClean.exe
5932	GoClean.exe
3180	GoCleanUp.exe
3180	GoCleanUp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 4724	2748	2026-08-08_68cf77db78e380c318f284898e30ce79_coinminer_driverpack_elex_floxif_wannacry.exe	89
PID 2748 wrote to memory of 5932	2748	2026-08-08_68cf77db78e380c318f284898e30ce79_coinminer_driverpack_elex_floxif_wannacry.exe	91
PID 5932 wrote to memory of 3180	5932	GoClean.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-08-08_68cf77db78e380c318f284898e30ce79_coinminer_driverpack_elex_floxif_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_68cf77db78e380c318f284898e30ce79_coinminer_driverpack_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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ""C:\Users\Admin\AppData\Local\Temp\gocleansetup151\KillDuplicate.cmd" "C:\Users\Admin\AppData\Local\Temp\gocleansetup151" "2026-08-08_68cf77db78e380c318f284898e30ce79_coinminer_driverpack_elex_floxif_wannacry.exe""
  2⤵
  - Executes a command shell one-liner
  PID:4724
- C:\Users\Admin\AppData\Local\Temp\gocleansetup151\GoClean.exe
  "C:\Users\Admin\AppData\Local\Temp\gocleansetup151\GoClean.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5932
- - C:\Users\Admin\AppData\Local\Temp\gocleansetup151\GoCleanUp.exe
    "C:\Users\Admin\AppData\Local\Temp\gocleansetup151\GoCleanUp.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3180

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

Submit Download

GoC3D12.tmp

Path C:\Users\Admin\AppData\Local\Temp\GoC3D12.tmp
Size 11B
SHA256 9b825bdc9d206d76143f8541aa86947cb68790b3cbe39389be19f2bb1fca3911
MD5 ab2d153e12674e1883bd42294e372201
SHA1 3ee319adf57880896d8c4a9d316917dac6f8d028
SHA512 947dbd20a83f95a222339a2630530d31170e59b05725933ec268c5074b2e8f39f11d8b45f34b8b94d3e9e3874f041ab871a705e1631eb8d60200fc7536b13bbd
MD5 SHA1 SHA512

Submit Download

GoC3D81.tmp

Path C:\Users\Admin\AppData\Local\Temp\GoC3D81.tmp
Size 495B
SHA256 0303313e9d804be30b94249e1dd3b27df632fbae7e6e7de4779d8fb025b69986
MD5 ad793ee245b25562ad7b07c7c6e86b22
SHA1 a5225bd4d3d86ce133351f87a6c2b0c3b2ba97a9
SHA512 d40041dcc206dacb408f1a89ede8d078b9c819faeacc201e0ebc08feefcebf0f7a74cfb44b367dfc880a8c14815074fdde58d3bc1d52a97632dc12f12572a4e4
TLSH
T1F6F0A76DE61DB0D1E1F8A135A6F1147F180380ED82173E75A9DBEA5471F81547B0D2B4
MD5 SHA1 SHA512 TLSH

Submit Download

ForceDel.dll

Path C:\Users\Admin\AppData\Local\Temp\gocleansetup151\ForceDel.dll
Size 234KB
SHA256 503ef830f7541b104e5d726d85a2e20e2e783103ea68c20a7aa230ec033dcb14
MD5 0729371a69d1e051d73ff04e09bea02a
SHA1 4903cf520cd52e283397dac4d41ba0535c3fa19a
SHA512 c43c9e8a4a157420865eec15f422543584620e70bb0ba85e7c57063cd1e60583626da3898780975df6ec4d5cb609063348c141b5831774fee7b233861c449ab7
SSDEEP 3072:ekZcFQ5ztz861qNvpliBLRgbjv2STkaTG2TljimDD5WsDmuU4:BoQVNN1qNvplyLRy2MT7piF
TLSH
T1EA346B017280C036D2AF2635886BD77566B9BC308B7596CB7B84BE7E5E316C25E3434B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

GoClean.exe

Path C:\Users\Admin\AppData\Local\Temp\gocleansetup151\GoClean.exe
Size 2.8MB
SHA256 9b67dea617ac671d15dc4656197ecf2be7f50c443fb2db122be021cb7a2af665
MD5 4b5a49adae4317073ebe6c4614d6b9a5
SHA1 748ae895f9cfc056ae7b5faeb316b032c60f00ba
SHA512 6efa1ff78c83cf66e0c2bd0715238ff89fadb82b35de24689e8c6b3b986ba2cb9da6d096f7779a428499df2f4934453e349e3d5894490625d263c24993ef5075
SSDEEP 49152:5SOpuDy3YoDgYvnReeBNpm9sTkdGuctA73WK91/OlP8Rcr7TpIq:5eeXpm6Tk6tAT3/JRU
TLSH
T105D53ADD6A498D3AC8B260F95939897942D97F304B7410C393AC3E1A2E761FBDD7048B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

GoCleanUp.exe

Path C:\Users\Admin\AppData\Local\Temp\gocleansetup151\GoCleanUp.exe
Size 320KB
SHA256 6113fdc6f0ae1bef4f87dccc6339d7762df1e9db1590ae283db2244448df15d9
MD5 492190cf4ff2b3762ed459ee1ac343eb
SHA1 a39f2f092fe36586be6f67cff9439a0c5fdc231f
SHA512 6957d4ae053292577e448af8d4972fe3d112439fd2e9169adfc680fb2981a6a795b10e6251f5b096af3811456e2bf44648484357684d2f53e730926ee7b96765
SSDEEP 6144:hRxHNxcQnv9gAEAQJwtwMzJVA9OEhUXmH1xCUyiTqLI+ah:7gA1JW9OEhUXKw4q5k
TLSH
T198646B117780D432D2A235718A6BD3B5A6ADBC315F7153877BC02B3EAE345D29A3870E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

SystemMemory.dll

Path C:\Users\Admin\AppData\Local\Temp\gocleansetup151\SystemMemory.dll
Size 176KB
SHA256 5acb5fcf4931fad29e881e0f992d9b2d1dc85251145593c25e91369b7a219ced
MD5 3ac4e33e85bf171bf7a40dcc1b9f3b1d
SHA1 e1fb97e9ff0e01abfdb48bf935193c1bd117c046
SHA512 1425bdc1f744c4d1d296d1dab0518c7e157e3569ce7be5c4ee9490785f96ba424ffce5ba370569845f61d80ef2a41e452bb0bfc10bc99063c3434c5355228a1e
SSDEEP 3072:3OVCoD0lVRPHTpGlKfwk4olGIBkOS8q+QisLAxUF5CL:poD0lVRPzpGKokmIBkHJ+QisLAxBL
TLSH
T1FA045A2136C0C072D2AB317D095AD7B56BAEB530CFA1874B3FD45A795F316A28E29307
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

cpuidsdk.dll

Path C:\Users\Admin\AppData\Local\Temp\gocleansetup151\cpuidsdk.dll
Size 1.4MB
SHA256 f2775e5171ab5e3b6bb1e62b3450390a94b40ac3d7b349c23ecc03d2f13d02db
MD5 ce6b192eb140b552898dfcb2861fda44
SHA1 75279196c96dbd669e292b4eabca76f122477ff2
SHA512 61525b5035f42c01e9d72dba67153e8b58199cdb2b338105a297ddf03028a38e7dcc149f7de97e8543704f99a46493758b6e0fdb303caf98cd8fa57966fcc39d
SSDEEP 24576:FpGeW+D25x7QfkJ3XQXMwoCMQZiN7QMEx3gh9iQYZkV3TJoeC77D78WrGTF4TcCK:7fNdimJd1krmhOWLBm5o/4/zD
TLSH
T129659E41FB40C1F4D17D57381AA7AF6C9BB9EC74997C46833B816AAC5DB1AC0A91C2C3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

pci.dat

Path C:\Users\Admin\AppData\Local\Temp\gocleansetup151\pci.dat
Size 741KB
SHA256 4ee4a30c2150cd29c3ec56cb9ddf6090180e9200624d5c21799db878e99167f0
MD5 5a638b5421f01da716ab52e70d645fed
SHA1 818f3a6389daf02d30e1a32d37abbc7f18d8debf
SHA512 af9ed56883428131df607927d4c5cd8ec583eff8df64042963f4f963465871d79968543e4b3544cfeb179e1603b8b04c82302f4dfdb2dc858ea3e4aea801e3d8
SSDEEP 12288:KuOAANDOZ2MaLAqzm5Ic25uCS5/vuEDCrCiO:o5MaLAy7WuEDb
TLSH
T107F4F7286CDE2160379F568FAA414D7F5E1DB895911B81EFD119BFA872E31C80F87E08
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

windowtip.dat

Path C:\Users\Admin\AppData\Local\Temp\gocleansetup151\windowtip.dat
Size 1KB
SHA256 7010f2d41eef26942b4967367bafa9598946fdcc9fc00e4044776419fa1d9793
MD5 057c2293cccdaa6b5a7677df8637302f
SHA1 34e15887dd167b0a32e55849d318d0d70921f405
SHA512 60627331729a03beb8b390341ab095a4c3fe1691b916fbbf025ee9ff84ccf70c5893d512feb0da2f9eb3e28cdadd93c02350ff0e39b47627b13efc4c181821d2
TLSH
T18331E356947A8B3CD2E3129D5FB48C5111713FC3A18286532E4D5C1234D7D9F99BE41D
MD5 SHA1 SHA512 TLSH

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memory/2748-4-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/2748-92-0x0000000010000000-0x0000000010030000-memory.dmp

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