floxif | 1d90d77da5315a84df97ec6d860c80d1407477a812ea41a43e2d2b4abd1ff467

Analysis

max time kernel
95s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 20:31

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General

Target

1d90d77da5315a84df97ec6d860c80d1407477a812ea41a43e2d2b4abd1ff467.exe
Size

220KB
MD5

fa7e499c8f979ed31ffe827a254bea0a
SHA1

5fd6fc3626ed39e7547bcc5968715fdad7477f09
SHA256

1d90d77da5315a84df97ec6d860c80d1407477a812ea41a43e2d2b4abd1ff467
SHA512

95afb2dfbcae585aeb9efd5b4bbd7f308d8d518ea63bddf53b857864753cd8eff0173f000dcfef15b881d0b026d445f8468f7b77c5364fd731d165db244e12a9
SSDEEP

6144:WsEUXvaKb9+jNnQCLBVwXBV+UdvrEFp7hKMV:WsEdKB+jVJVwXBjvrEH7HV

Score

10^/10

floxif backdoor discovery trojan upx

Malware Config

Signatures

Floxif family
floxif
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/0x000a000000023bbc-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000a000000023bbc-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1108	1d90d77da5315a84df97ec6d860c80d1407477a812ea41a43e2d2b4abd1ff467.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023bbc-1.dat	upx
behavioral2/memory/1108-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1108-10-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	1d90d77da5315a84df97ec6d860c80d1407477a812ea41a43e2d2b4abd1ff467.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5004	1108	WerFault.exe	84

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	1d90d77da5315a84df97ec6d860c80d1407477a812ea41a43e2d2b4abd1ff467.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1108	1d90d77da5315a84df97ec6d860c80d1407477a812ea41a43e2d2b4abd1ff467.exe

C:\Users\Admin\AppData\Local\Temp\1d90d77da5315a84df97ec6d860c80d1407477a812ea41a43e2d2b4abd1ff467.exe
"C:\Users\Admin\AppData\Local\Temp\1d90d77da5315a84df97ec6d860c80d1407477a812ea41a43e2d2b4abd1ff467.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1108
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1108 -s 928
  2⤵
  - Program crash
  PID:5004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1108 -ip 1108
1⤵
PID:5100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1108-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1108-6-0x0000000000403000-0x0000000000404000-memory.dmp

Filesize
4KB

Download
memory/1108-10-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1108-8-0x0000000000400000-0x00000000005BB000-memory.dmp

Filesize
1.7MB

Download