floxif | 22270cbc82769771503c5c11ba1eca74e36c3c70ff3442f1277d66d829df9334

Analysis

max time kernel
148s
max time network
150s
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 09:26

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General

Target

2024-12-23_81b49ac60e0b5b7f549b296f1cf3c2f8_floxif_hijackloader_luca-stealer_magniber.exe
Size

4.6MB
MD5

81b49ac60e0b5b7f549b296f1cf3c2f8
SHA1

f30feb9ee80c7ab2e4c6021e91465b0233c1045c
SHA256

22270cbc82769771503c5c11ba1eca74e36c3c70ff3442f1277d66d829df9334
SHA512

895cf694b510949b25ca4c8545b44d186abf04fb1efc7076830dd72684d7e2a9568aa6ea0a6580dfd587d1021c9a31a9f4da23a1d0acf23333ec1675b8b51cc0
SSDEEP

98304:a/vt45232fpqj4BB5Dg+8xnJ6rNbO3yguFbsP:qN3WpHpgNebEGFI

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/0x000f000000023b76-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000f000000023b76-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2112	2024-12-23_81b49ac60e0b5b7f549b296f1cf3c2f8_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/0x000f000000023b76-1.dat	upx
behavioral2/memory/2112-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2112-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-12-23_81b49ac60e0b5b7f549b296f1cf3c2f8_floxif_hijackloader_luca-stealer_magniber.exe

Program crash 6 IoCs

pid	pid_target	Process	procid_target
2388	2112	WerFault.exe	82
4840	2112	WerFault.exe	82
2828	2112	WerFault.exe	82
3320	2112	WerFault.exe	82
2600	2112	WerFault.exe	82
4924	2112	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	2024-12-23_81b49ac60e0b5b7f549b296f1cf3c2f8_floxif_hijackloader_luca-stealer_magniber.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	2024-12-23_81b49ac60e0b5b7f549b296f1cf3c2f8_floxif_hijackloader_luca-stealer_magniber.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-23_81b49ac60e0b5b7f549b296f1cf3c2f8_floxif_hijackloader_luca-stealer_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-23_81b49ac60e0b5b7f549b296f1cf3c2f8_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:2112
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 524
  2⤵
  - Program crash
  PID:2388
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 552
  2⤵
  - Program crash
  PID:4840
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 520
  2⤵
  - Program crash
  PID:2828
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 628
  2⤵
  - Program crash
  PID:3320
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 648
  2⤵
  - Program crash
  PID:2600
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 692
  2⤵
  - Program crash
  PID:4924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2112 -ip 2112
1⤵
PID:2264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2112 -ip 2112
1⤵
PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2112 -ip 2112
1⤵
PID:220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2112 -ip 2112
1⤵
PID:2768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2112 -ip 2112
1⤵
PID:4560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2112 -ip 2112
1⤵
PID:2920

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/2112-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2112-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2112-5-0x00000000007D0000-0x0000000001392000-memory.dmp

Filesize
11.8MB

Download