floxif | 295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454dd

Analysis

max time kernel
96s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 22:58

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General

Target

295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe
Size

1.5MB
MD5

6a1558f276478faf988a1c6f347e27c0
SHA1

ade66ca6f8ef9b36e58cecb8843e78f371df98ce
SHA256

295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454dd
SHA512

d03af33471baeae927f04bb2093d3f10dd09b0222e8add3c09a9e839d8248f7b95333019ae90330cc97da84732b8e5b111e452bc6f6d96a6eb872e559c5facd0
SSDEEP

24576:OXt04QyT35DR7tXrmbXTHnRIDDm58QtMOtDNfbDT9evfsGQUJYjyTxezWjP4MRGb:UpVtX+Vpb9e1oyTsWjy1qq

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/0x000a000000023c09-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000a000000023c09-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
4868	arp.exe
2784	arp.exe
3316	arp.exe
5112	arp.exe
208	arp.exe
3156	arp.exe
736	arp.exe
2388	arp.exe
5088	arp.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023c09-1.dat	upx
behavioral2/memory/3012-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/3012-24-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe

System Location Discovery: System Language Discovery 1 TTPs 10 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	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 3156	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	82
PID 3012 wrote to memory of 3156	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	82
PID 3012 wrote to memory of 3156	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	82
PID 3012 wrote to memory of 4868	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	84
PID 3012 wrote to memory of 4868	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	84
PID 3012 wrote to memory of 4868	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	84
PID 3012 wrote to memory of 208	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	85
PID 3012 wrote to memory of 208	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	85
PID 3012 wrote to memory of 208	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	85
PID 3012 wrote to memory of 5088	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	86
PID 3012 wrote to memory of 5088	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	86
PID 3012 wrote to memory of 5088	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	86
PID 3012 wrote to memory of 2388	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	87
PID 3012 wrote to memory of 2388	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	87
PID 3012 wrote to memory of 2388	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	87
PID 3012 wrote to memory of 5112	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	88
PID 3012 wrote to memory of 5112	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	88
PID 3012 wrote to memory of 5112	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	88
PID 3012 wrote to memory of 3316	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	89
PID 3012 wrote to memory of 3316	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	89
PID 3012 wrote to memory of 3316	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	89
PID 3012 wrote to memory of 736	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	90
PID 3012 wrote to memory of 736	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	90
PID 3012 wrote to memory of 736	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	90
PID 3012 wrote to memory of 2784	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	91
PID 3012 wrote to memory of 2784	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	91
PID 3012 wrote to memory of 2784	3012	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	91

C:\Users\Admin\AppData\Local\Temp\295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe
"C:\Users\Admin\AppData\Local\Temp\295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\arp.exe
  arp -a
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:3156
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.0.1 53-8b-db-68-26-e1
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:4868
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.255.255 81-4b-52-80-3f-a0
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:208
- C:\Windows\SysWOW64\arp.exe
  arp -s 37.27.61.180 7d-cb-16-88-20-30
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:5088
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.22 80-b6-92-b4-63-25
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2388
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.251 34-6a-3c-e4-d7-33
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:5112
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.252 39-f9-67-8a-61-08
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:3316
- C:\Windows\SysWOW64\arp.exe
  arp -s 239.255.255.250 84-88-50-21-a5-46
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:736
- C:\Windows\SysWOW64\arp.exe
  arp -s 255.255.255.255 1b-e9-18-63-7c-d7
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

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
71KB

MD5
4fcd7574537cebec8e75b4e646996643

SHA1
efa59bb9050fb656b90d5d40c942fb2a304f2a8b

SHA256
8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d

SHA512
7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

Download Submit
C:\Users\Admin\AppData\LocalLow\SogouPY.users\acc.dat.wtm

Filesize
80B

MD5
fd6c4c39a1ec193bef93e8d9f5c6af32

SHA1
adb6d948feeba8deffac31dbd4a409ba62651897

SHA256
e9c267f18d54e7df7254dc94f595676e28352c402463b76b3476e283f16788af

SHA512
5b72200f9a60f84dd956c4df7be294d69cc63f042009b8632ecec030eef9abb3f29933f3958e5cb7d57efba140b77402733a0abaa3672ae83c74180e4f8a1724

Download Submit
memory/3012-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3012-21-0x0000000000D11000-0x0000000000D12000-memory.dmp

Filesize
4KB

Download
memory/3012-24-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3012-22-0x0000000000D10000-0x0000000000E80000-memory.dmp

Filesize
1.4MB

Download