floxif | 295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454dd

Analysis

max time kernel
91s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
behavioral1/files/0x0007000000012117-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0007000000012117-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
2240	arp.exe
1896	arp.exe
2868	arp.exe
2228	arp.exe
2920	arp.exe
3008	arp.exe
2500	arp.exe
2156	arp.exe
2056	arp.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000012117-1.dat	upx
behavioral1/memory/2100-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2100-22-0x0000000010000000-0x0000000010033000-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	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	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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2056	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	31
PID 2100 wrote to memory of 2056	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	31
PID 2100 wrote to memory of 2056	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	31
PID 2100 wrote to memory of 2056	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	31
PID 2100 wrote to memory of 2920	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	33
PID 2100 wrote to memory of 2920	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	33
PID 2100 wrote to memory of 2920	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	33
PID 2100 wrote to memory of 2920	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	33
PID 2100 wrote to memory of 3008	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	34
PID 2100 wrote to memory of 3008	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	34
PID 2100 wrote to memory of 3008	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	34
PID 2100 wrote to memory of 3008	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	34
PID 2100 wrote to memory of 2240	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	35
PID 2100 wrote to memory of 2240	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	35
PID 2100 wrote to memory of 2240	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	35
PID 2100 wrote to memory of 2240	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	35
PID 2100 wrote to memory of 1896	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	36
PID 2100 wrote to memory of 1896	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	36
PID 2100 wrote to memory of 1896	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	36
PID 2100 wrote to memory of 1896	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	36
PID 2100 wrote to memory of 2500	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	37
PID 2100 wrote to memory of 2500	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	37
PID 2100 wrote to memory of 2500	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	37
PID 2100 wrote to memory of 2500	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	37
PID 2100 wrote to memory of 2868	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	38
PID 2100 wrote to memory of 2868	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	38
PID 2100 wrote to memory of 2868	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	38
PID 2100 wrote to memory of 2868	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	38
PID 2100 wrote to memory of 2156	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	39
PID 2100 wrote to memory of 2156	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	39
PID 2100 wrote to memory of 2156	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	39
PID 2100 wrote to memory of 2156	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	39
PID 2100 wrote to memory of 2228	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	40
PID 2100 wrote to memory of 2228	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	40
PID 2100 wrote to memory of 2228	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	40
PID 2100 wrote to memory of 2228	2100	295688ba2eacbe2126b6c7bbcd0dd6d47d700051a8e9fe62174753d2b4c454ddN.exe	40

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:2100
- C:\Windows\SysWOW64\arp.exe
  arp -a
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2056
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.0.1 02-de-46-6a-96-e8
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2920
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.255.255 8b-f3-7a-88-40-7e
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:3008
- C:\Windows\SysWOW64\arp.exe
  arp -s 136.243.69.123 2f-d9-92-14-c0-eb
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2240
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.22 6a-e9-45-c2-34-5c
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:1896
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.251 c2-27-2a-2d-5e-cd
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2500
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.252 29-51-e2-9b-8b-e7
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2868
- C:\Windows\SysWOW64\arp.exe
  arp -s 239.255.255.250 4c-3f-cb-9b-df-64
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2156
- C:\Windows\SysWOW64\arp.exe
  arp -s 255.255.255.255 96-b9-35-c4-43-99
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2228

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

Replay Monitor

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Downloads

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

Filesize
80B

MD5
f0377ecba72512e983af3b04d96798ca

SHA1
c57ce0dec5cfce4749aeacfd7a7e8dd410771664

SHA256
cd09cd33cbc2b15cfc706cb5e01b01c249f919e29c393dc740add4196e55b345

SHA512
1bd130ea180260c65b69e9a95005d7a58fca1e859757ba09abc94bb13225fe4897f614c6a02e3ce26a87af4a5871f6b1699ff75ab44905973f379eecd6901be0

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

Filesize
71KB

MD5
4fcd7574537cebec8e75b4e646996643

SHA1
efa59bb9050fb656b90d5d40c942fb2a304f2a8b

SHA256
8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d

SHA512
7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

Download Submit
memory/2100-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2100-22-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2100-20-0x0000000000370000-0x00000000004E0000-memory.dmp

Filesize
1.4MB

Download