floxif | 846afe0d738a01e18be57acd7cb5e4028dac27523ea3871549c684086ec451e4

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2024, 14:31

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General

Target

2024-07-10_909288aa867bc66d032ee20da2dfab9d_floxif_mafia.exe
Size

1.8MB
MD5

909288aa867bc66d032ee20da2dfab9d
SHA1

03202296c33bc0327a11dcc7361a0d87ad6ac40b
SHA256

846afe0d738a01e18be57acd7cb5e4028dac27523ea3871549c684086ec451e4
SHA512

dc74601f297a04454e5678ea3d1078341bc3e85d412c8ec7f0982beb3c336ae7151d6f684e67d6a16d278a7bd116b2a9cddec635bd30ff9691900cb1caedb520
SSDEEP

49152:mSRFWpiINDnQOklug56b5pkEZccMqR2OdWc9hlS9pjDgO/rF9sSV2RV:mwWpiINnGll6b5pkEO5qR9dW4S9pQO/g

Score

10^/10

floxif backdoor trojan upx

Malware Config

Signatures

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/0x00090000000234c5-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00090000000234c5-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1064	2024-07-10_909288aa867bc66d032ee20da2dfab9d_floxif_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00090000000234c5-1.dat	upx
behavioral2/memory/1064-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1064-13-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	2024-07-10_909288aa867bc66d032ee20da2dfab9d_floxif_mafia.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-07-10_909288aa867bc66d032ee20da2dfab9d_floxif_mafia.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
768	1064	WerFault.exe	81
4564	1064	WerFault.exe	81

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1064	2024-07-10_909288aa867bc66d032ee20da2dfab9d_floxif_mafia.exe
1064	2024-07-10_909288aa867bc66d032ee20da2dfab9d_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1064	2024-07-10_909288aa867bc66d032ee20da2dfab9d_floxif_mafia.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1064	2024-07-10_909288aa867bc66d032ee20da2dfab9d_floxif_mafia.exe
1064	2024-07-10_909288aa867bc66d032ee20da2dfab9d_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-10_909288aa867bc66d032ee20da2dfab9d_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-10_909288aa867bc66d032ee20da2dfab9d_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1064
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1064 -s 1500
  2⤵
  - Program crash
  PID:768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1064 -s 1496
  2⤵
  - Program crash
  PID:4564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1064 -ip 1064
1⤵
PID:1980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1064 -ip 1064
1⤵
PID:468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

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/1064-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1064-6-0x0000000000F91000-0x0000000000F92000-memory.dmp

Filesize
4KB

Download
memory/1064-11-0x0000000000F90000-0x0000000001149000-memory.dmp

Filesize
1.7MB

Download
memory/1064-13-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download