floxif | edc419ad37cefc4112426339170cc8488c660cecedc3da00ae0a1465cc82be6a

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 19:57

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General

Target

2024-12-25_bd849b8dc5398ae2aed8f57c717c0b59_floxif_karagany_mafia.exe
Size

201KB
MD5

bd849b8dc5398ae2aed8f57c717c0b59
SHA1

effbf2bb01069fe500f3352ad1b4695d17cc3c62
SHA256

edc419ad37cefc4112426339170cc8488c660cecedc3da00ae0a1465cc82be6a
SHA512

6d3535f5fef0ae3770f7199c9e94dc09b3946a293ed586c1c37c1567e3bd67d4744c344f0f5a31cdb39cdb00012a40535035c0cc4205923eca2f31c0afd151e7
SSDEEP

6144:em4XA4bg1sQwOZF/pRBV+UdvrEFp7hKH6V:em4XnSjwODzBjvrEH7X

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
behavioral1/files/0x000a00000001227d-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a00000001227d-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2036	2024-12-25_bd849b8dc5398ae2aed8f57c717c0b59_floxif_karagany_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a00000001227d-1.dat	upx
behavioral1/memory/2036-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2036-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-12-25_bd849b8dc5398ae2aed8f57c717c0b59_floxif_karagany_mafia.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1984	2036	WerFault.exe	29

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	2024-12-25_bd849b8dc5398ae2aed8f57c717c0b59_floxif_karagany_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	2024-12-25_bd849b8dc5398ae2aed8f57c717c0b59_floxif_karagany_mafia.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1984	2036	2024-12-25_bd849b8dc5398ae2aed8f57c717c0b59_floxif_karagany_mafia.exe	31
PID 2036 wrote to memory of 1984	2036	2024-12-25_bd849b8dc5398ae2aed8f57c717c0b59_floxif_karagany_mafia.exe	31
PID 2036 wrote to memory of 1984	2036	2024-12-25_bd849b8dc5398ae2aed8f57c717c0b59_floxif_karagany_mafia.exe	31
PID 2036 wrote to memory of 1984	2036	2024-12-25_bd849b8dc5398ae2aed8f57c717c0b59_floxif_karagany_mafia.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-12-25_bd849b8dc5398ae2aed8f57c717c0b59_floxif_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-25_bd849b8dc5398ae2aed8f57c717c0b59_floxif_karagany_mafia.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 284
  2⤵
  - Program crash
  PID:1984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2036-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2036-5-0x0000000001020000-0x0000000001043000-memory.dmp

Filesize
140KB

Download
memory/2036-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download