floxif | 68004415a84a75327187bebdf81c84496db3e65cc298055c62987f6be031bf50

Analysis

max time kernel
100s
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
23-12-2024 06:41

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General

Target

68004415a84a75327187bebdf81c84496db3e65cc298055c62987f6be031bf50.exe
Size

4.6MB
MD5

49895897bcc52e74b4f5664c30d96ef8
SHA1

18c649574a1c36447b36d2d43eaf57150462889b
SHA256

68004415a84a75327187bebdf81c84496db3e65cc298055c62987f6be031bf50
SHA512

38e70300bee1ba414d3ef8acd57a21ed39702160ca499dd8e2e77995d6a1c446360cd945dd6c896cd7f2085c1361118febc12716887ab7ca74c8aa9249785599
SSDEEP

98304:mXvTYTSbb/lIyuuJx2dg/Sxv1WzrZhJiyEbhh/rH:2TkS/dUumgakZTzED

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/0x0010000000023b85-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0010000000023b85-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1900	68004415a84a75327187bebdf81c84496db3e65cc298055c62987f6be031bf50.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0010000000023b85-1.dat	upx
behavioral2/memory/1900-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1900-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	68004415a84a75327187bebdf81c84496db3e65cc298055c62987f6be031bf50.exe

Program crash 5 IoCs

pid	pid_target	Process	procid_target
2784	1900	WerFault.exe	82
4572	1900	WerFault.exe	82
1628	1900	WerFault.exe	82
780	1900	WerFault.exe	82
2224	1900	WerFault.exe	82

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	68004415a84a75327187bebdf81c84496db3e65cc298055c62987f6be031bf50.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1900	68004415a84a75327187bebdf81c84496db3e65cc298055c62987f6be031bf50.exe

C:\Users\Admin\AppData\Local\Temp\68004415a84a75327187bebdf81c84496db3e65cc298055c62987f6be031bf50.exe
"C:\Users\Admin\AppData\Local\Temp\68004415a84a75327187bebdf81c84496db3e65cc298055c62987f6be031bf50.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1900
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 524
  2⤵
  - Program crash
  PID:2784
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 544
  2⤵
  - Program crash
  PID:4572
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 552
  2⤵
  - Program crash
  PID:1628
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 612
  2⤵
  - Program crash
  PID:780
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 620
  2⤵
  - Program crash
  PID:2224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1900 -ip 1900
1⤵
PID:2976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1900 -ip 1900
1⤵
PID:2960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1900 -ip 1900
1⤵
PID:1912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1900 -ip 1900
1⤵
PID:4600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1900 -ip 1900
1⤵
PID:1092

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1900-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1900-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1900-5-0x00000000007D0000-0x0000000001385000-memory.dmp

Filesize
11.7MB

Download