floxif | 34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7

Analysis

max time kernel
15s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 05:50

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General

Target

34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe
Size

622KB
MD5

d9f52894276d2ace9df7005e70b36d00
SHA1

e3e53553774964d9cd864f827d279e962074b001
SHA256

34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7
SHA512

83982c4fa60c1a535297384ad2df98615b049d042f50bc1989006e84cc59f1de9c0929db3f0b4d0048f9aa4fea6ea7b0e610e40065aa50e9c38be042a307efca
SSDEEP

12288:fIlsAkjIf/WbGH/+8zoXEyO4M11fTcgoLLoa5RZMRGM4h/qofv:fHAL7+8zuErIgoLLoIZMRGJ/qofv

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
behavioral1/files/0x000b000000012266-1.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
behavioral1/files/0x000b000000012266-1.dat	acprotect

Loads dropped DLL 11 IoCs

pid	Process
2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe
2476	arp.exe
1708	arp.exe
2184	arp.exe
1984	arp.exe
2780	arp.exe
2732	arp.exe
2260	arp.exe
1112	arp.exe
2844	arp.exe
2572	arp.exe

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:	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
1984	arp.exe
2780	arp.exe
1112	arp.exe
2184	arp.exe
2732	arp.exe
2476	arp.exe
2260	arp.exe
2844	arp.exe
1708	arp.exe

UPX packed file 25 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2132-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/files/0x000b000000012266-1.dat	upx
behavioral1/memory/2476-7-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2476-8-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2844-24-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1112-23-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2260-22-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2732-21-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2780-20-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1984-14-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2184-13-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1708-12-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1708-28-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1984-26-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2184-29-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2780-30-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2844-38-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2260-36-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2732-35-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1112-32-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2132-40-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2572-43-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2572-45-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2132-47-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2132-50-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe

System Location Discovery: System Language Discovery 1 TTPs 11 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	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.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 behavior: EnumeratesProcesses 1 IoCs

pid	Process
2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
476	Process not Found
476	Process not Found

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe
Token: SeDebugPrivilege	2476	arp.exe
Token: SeDebugPrivilege	1708	arp.exe
Token: SeDebugPrivilege	2780	arp.exe
Token: SeDebugPrivilege	1112	arp.exe
Token: SeDebugPrivilege	2184	arp.exe
Token: SeDebugPrivilege	2260	arp.exe
Token: SeDebugPrivilege	2844	arp.exe
Token: SeDebugPrivilege	1984	arp.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2476	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	30
PID 2132 wrote to memory of 2476	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	30
PID 2132 wrote to memory of 2476	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	30
PID 2132 wrote to memory of 2476	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	30
PID 2132 wrote to memory of 1708	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	32
PID 2132 wrote to memory of 1708	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	32
PID 2132 wrote to memory of 1708	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	32
PID 2132 wrote to memory of 1708	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	32
PID 2132 wrote to memory of 1984	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	33
PID 2132 wrote to memory of 1984	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	33
PID 2132 wrote to memory of 1984	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	33
PID 2132 wrote to memory of 1984	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	33
PID 2132 wrote to memory of 2780	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	35
PID 2132 wrote to memory of 2780	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	35
PID 2132 wrote to memory of 2780	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	35
PID 2132 wrote to memory of 2780	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	35
PID 2132 wrote to memory of 1112	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	37
PID 2132 wrote to memory of 1112	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	37
PID 2132 wrote to memory of 1112	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	37
PID 2132 wrote to memory of 1112	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	37
PID 2132 wrote to memory of 2260	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	39
PID 2132 wrote to memory of 2260	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	39
PID 2132 wrote to memory of 2260	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	39
PID 2132 wrote to memory of 2260	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	39
PID 2132 wrote to memory of 2184	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	41
PID 2132 wrote to memory of 2184	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	41
PID 2132 wrote to memory of 2184	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	41
PID 2132 wrote to memory of 2184	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	41
PID 2132 wrote to memory of 2732	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	43
PID 2132 wrote to memory of 2732	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	43
PID 2132 wrote to memory of 2732	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	43
PID 2132 wrote to memory of 2732	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	43
PID 2132 wrote to memory of 2844	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	45
PID 2132 wrote to memory of 2844	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	45
PID 2132 wrote to memory of 2844	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	45
PID 2132 wrote to memory of 2844	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	45
PID 2132 wrote to memory of 2572	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	48
PID 2132 wrote to memory of 2572	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	48
PID 2132 wrote to memory of 2572	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	48
PID 2132 wrote to memory of 2572	2132	34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe	48

C:\Users\Admin\AppData\Local\Temp\34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe
"C:\Users\Admin\AppData\Local\Temp\34ab4b716bdd66690db71ccb7441f516eaa278d62ee924a0c82d3c1c00bc0ed7N.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\SysWOW64\arp.exe
  arp -a
  2⤵
  - Loads dropped DLL
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2476
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.0.1 a4-b3-10-8b-62-1c
  2⤵
  - Loads dropped DLL
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1708
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.255.255 5a-42-44-f2-6a-fa
  2⤵
  - Loads dropped DLL
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1984
- C:\Windows\SysWOW64\arp.exe
  arp -s 37.27.61.183 2f-a5-ad-39-80-0a
  2⤵
  - Loads dropped DLL
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2780
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.22 ad-e5-ff-78-83-f0
  2⤵
  - Loads dropped DLL
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1112
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.251 69-0e-5a-7a-02-17
  2⤵
  - Loads dropped DLL
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2260
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.252 43-eb-8f-2d-f3-a6
  2⤵
  - Loads dropped DLL
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2184
- C:\Windows\SysWOW64\arp.exe
  arp -s 239.255.255.250 1c-4f-db-88-39-23
  2⤵
  - Loads dropped DLL
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2732
- C:\Windows\SysWOW64\arp.exe
  arp -s 255.255.255.255 17-79-9f-d2-b5-ef
  2⤵
  - Loads dropped DLL
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2844
- C:\Windows\SysWOW64\arp.exe
  arp -d
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2572

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

Network Service Discovery

T1046

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Program Files\Common Files\System\symsrv.dll

Filesize
71KB

MD5
4fcd7574537cebec8e75b4e646996643

SHA1
efa59bb9050fb656b90d5d40c942fb2a304f2a8b

SHA256
8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d

SHA512
7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

Download Submit
memory/1112-32-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1112-23-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1708-28-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1708-12-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1984-14-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1984-26-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2132-48-0x0000000000D90000-0x0000000000E1B000-memory.dmp

Filesize
556KB

Download
memory/2132-40-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2132-46-0x0000000000D90000-0x0000000000E1B000-memory.dmp

Filesize
556KB

Download
memory/2132-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2132-47-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2132-50-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2184-13-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2184-29-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2260-22-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2260-36-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2476-8-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2476-7-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2572-43-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2572-45-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2732-35-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2732-21-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2780-30-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2780-20-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2844-38-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2844-24-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download