floxif | 62a987b48d8de7b16c00b86930dfd8bb840a0d3727085a46986edf47fb50cf1d

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 04:06

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General

Target

62a987b48d8de7b16c00b86930dfd8bb840a0d3727085a46986edf47fb50cf1d.exe
Size

230KB
MD5

c8e7170430618864cbc94a1d2962188d
SHA1

53e0dbce98308ca1bf31b8783fd071fb1012c6d7
SHA256

62a987b48d8de7b16c00b86930dfd8bb840a0d3727085a46986edf47fb50cf1d
SHA512

f3176b73ab4313a68108c2c90ab1fe3d4f258b32fad430eb18056de0d7923be97171f05779e937bbee1ab82a351b74683a3cda82e3da96233c0a904256ce3f59
SSDEEP

3072:MwW8IMLn7zESVIZZtLohOxmU6GtqGTUM06qnMfxCFxUs2lQBV+UdE+rECWp7hKYi:tjL74LZjTrvqnyKBV+UdvrEFp7hKf

Score

10^/10

floxif backdoor discovery persistence privilege_escalation 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/0x000a000000023c5b-1.dat	floxif

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000a000000023c5b-1.dat	acprotect

Loads dropped DLL 5 IoCs

pid	Process
3656	62a987b48d8de7b16c00b86930dfd8bb840a0d3727085a46986edf47fb50cf1d.exe
2124	WerFault.exe
4464	WerFault.exe
2040	WerFault.exe
1452	WerFault.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3656-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x000a000000023c5b-1.dat	upx
behavioral2/memory/3656-12-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	62a987b48d8de7b16c00b86930dfd8bb840a0d3727085a46986edf47fb50cf1d.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4464	3656	WerFault.exe	84
1452	3656	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	62a987b48d8de7b16c00b86930dfd8bb840a0d3727085a46986edf47fb50cf1d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3656	62a987b48d8de7b16c00b86930dfd8bb840a0d3727085a46986edf47fb50cf1d.exe

C:\Users\Admin\AppData\Local\Temp\62a987b48d8de7b16c00b86930dfd8bb840a0d3727085a46986edf47fb50cf1d.exe
"C:\Users\Admin\AppData\Local\Temp\62a987b48d8de7b16c00b86930dfd8bb840a0d3727085a46986edf47fb50cf1d.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3656
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 584
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:4464
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 592
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:1452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3656 -ip 3656
1⤵
- Loads dropped DLL
PID:2124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3656 -ip 3656
1⤵
- Loads dropped DLL
PID:2040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/3656-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3656-10-0x00000000008E0000-0x0000000000905000-memory.dmp

Filesize
148KB

Download
memory/3656-12-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download