floxif | 292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286

Analysis

max time kernel
117s
max time network
75s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 04:50

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General

Target

292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe
Size

1.2MB
MD5

3ac96027a6b4a6035de83a152a20a8d0
SHA1

8414492b0bf96ebf2d0ebfa11cdb3f8f42c834bd
SHA256

292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286
SHA512

4c1318e887152c0c38be394b28400e7e3f3987f0c13e1eeb0222e3bf53a3d3f1cdcd3ba5dea8681f91a7a27503a4b4edb65565f17b0e4db01951ef4cdf67d701
SSDEEP

24576:S5rEmNJG//19XnQJXQaXlubv9bNVyvg3EfzGr9MRGJ/qofX:oVOnL8Qiu9bNVyIuz41qS

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
behavioral1/files/0x000b000000012280-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000b000000012280-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.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:	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
2264	arp.exe
2332	arp.exe
2604	arp.exe
1492	arp.exe
2492	arp.exe
2500	arp.exe
2800	arp.exe
640	arp.exe
3056	arp.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000b000000012280-1.dat	upx
behavioral1/memory/2016-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2016-8-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2016-9-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2016-16-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2016-19-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	\??\c:\program files\common files\system\symsrv.dll.000	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe
File created	C:\Program Files\Common Files\System\symsrv.dll	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.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	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.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 3 IoCs

pid	Process
2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe
2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe
2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
476	Process not Found
476	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 2604	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	30
PID 2016 wrote to memory of 2604	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	30
PID 2016 wrote to memory of 2604	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	30
PID 2016 wrote to memory of 2604	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	30
PID 2016 wrote to memory of 1492	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	32
PID 2016 wrote to memory of 1492	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	32
PID 2016 wrote to memory of 1492	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	32
PID 2016 wrote to memory of 1492	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	32
PID 2016 wrote to memory of 640	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	33
PID 2016 wrote to memory of 640	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	33
PID 2016 wrote to memory of 640	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	33
PID 2016 wrote to memory of 640	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	33
PID 2016 wrote to memory of 2492	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	34
PID 2016 wrote to memory of 2492	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	34
PID 2016 wrote to memory of 2492	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	34
PID 2016 wrote to memory of 2492	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	34
PID 2016 wrote to memory of 2500	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	36
PID 2016 wrote to memory of 2500	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	36
PID 2016 wrote to memory of 2500	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	36
PID 2016 wrote to memory of 2500	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	36
PID 2016 wrote to memory of 2332	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	37
PID 2016 wrote to memory of 2332	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	37
PID 2016 wrote to memory of 2332	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	37
PID 2016 wrote to memory of 2332	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	37
PID 2016 wrote to memory of 2264	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	39
PID 2016 wrote to memory of 2264	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	39
PID 2016 wrote to memory of 2264	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	39
PID 2016 wrote to memory of 2264	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	39
PID 2016 wrote to memory of 3056	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	42
PID 2016 wrote to memory of 3056	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	42
PID 2016 wrote to memory of 3056	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	42
PID 2016 wrote to memory of 3056	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	42
PID 2016 wrote to memory of 2800	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	44
PID 2016 wrote to memory of 2800	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	44
PID 2016 wrote to memory of 2800	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	44
PID 2016 wrote to memory of 2800	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	44
PID 2016 wrote to memory of 2688	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	49
PID 2016 wrote to memory of 2688	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	49
PID 2016 wrote to memory of 2688	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	49
PID 2016 wrote to memory of 2688	2016	292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe	49

C:\Users\Admin\AppData\Local\Temp\292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.exe
"C:\Users\Admin\AppData\Local\Temp\292e20d52bb52ee6719f7c57ca3c1d669762e2f3dc73f404f832e189090c3286N.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:2016
- C:\Windows\SysWOW64\arp.exe
  arp -a
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2604
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.0.1 39-8e-ca-37-38-d7
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:1492
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.255.255 c5-69-5e-1c-36-03
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:640
- C:\Windows\SysWOW64\arp.exe
  arp -s 37.27.61.182 4b-15-a0-cb-b6-6c
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2492
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.22 a9-ca-a7-2e-c5-9a
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2500
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.251 2f-4b-22-83-97-65
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2332
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.252 0b-3f-0e-f2-85-1a
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2264
- C:\Windows\SysWOW64\arp.exe
  arp -s 239.255.255.250 31-68-7a-78-e4-ba
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:3056
- C:\Windows\SysWOW64\arp.exe
  arp -s 255.255.255.255 63-c5-4f-78-01-ce
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Windows\SysWOW64\arp.exe
  arp -d
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/2016-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2016-8-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2016-7-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2016-9-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2016-16-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2016-15-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2016-19-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2016-18-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2016-20-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2016-22-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2016-24-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2016-26-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2016-28-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2016-30-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2016-32-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2016-34-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download