floxif | 6bd4960fc63c891a8c1ea159d270bc55437f0a00ebfa59b104ede77063963afc

Analysis

max time kernel
94s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 09:23

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General

Target

2024-12-22_110a836b7b9bd9120ab72873804c368b_floxif_hijackloader_luca-stealer_magniber.exe
Size

4.7MB
MD5

110a836b7b9bd9120ab72873804c368b
SHA1

edf76976a2f6a2e85d51f176f466b49eaa58be6a
SHA256

6bd4960fc63c891a8c1ea159d270bc55437f0a00ebfa59b104ede77063963afc
SHA512

83c27dd5f8529265d933212104d68fa13bd2837478d4516a02cca07dcec61ddd4a2c455aee2e7b536a81ef7c14de24de8e3f18e440fc2d48971477866cef0004
SSDEEP

98304:S+v//h75UET+6O6QCp4jgzg2ay8S9rpTwkTPKXbSS:3nh75XTS6Qvg3VtwSib

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/0x000c000000023caf-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023caf-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1800	2024-12-22_110a836b7b9bd9120ab72873804c368b_floxif_hijackloader_luca-stealer_magniber.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023caf-1.dat	upx
behavioral2/memory/1800-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1800-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-12-22_110a836b7b9bd9120ab72873804c368b_floxif_hijackloader_luca-stealer_magniber.exe

Program crash 5 IoCs

pid	pid_target	Process	procid_target
440	1800	WerFault.exe	81
3012	1800	WerFault.exe	81
932	1800	WerFault.exe	81
4592	1800	WerFault.exe	81
4612	1800	WerFault.exe	81

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	2024-12-22_110a836b7b9bd9120ab72873804c368b_floxif_hijackloader_luca-stealer_magniber.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1800	2024-12-22_110a836b7b9bd9120ab72873804c368b_floxif_hijackloader_luca-stealer_magniber.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-22_110a836b7b9bd9120ab72873804c368b_floxif_hijackloader_luca-stealer_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-22_110a836b7b9bd9120ab72873804c368b_floxif_hijackloader_luca-stealer_magniber.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1800
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 524
  2⤵
  - Program crash
  PID:440
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 532
  2⤵
  - Program crash
  PID:3012
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 564
  2⤵
  - Program crash
  PID:932
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 576
  2⤵
  - Program crash
  PID:4592
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 656
  2⤵
  - Program crash
  PID:4612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1800 -ip 1800
1⤵
PID:2612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1800 -ip 1800
1⤵
PID:2948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1800 -ip 1800
1⤵
PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1800 -ip 1800
1⤵
PID:4860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1800 -ip 1800
1⤵
PID:1836

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

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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/1800-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1800-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1800-5-0x00000000006A0000-0x0000000001266000-memory.dmp

Filesize
11.8MB

Download