floxif | 9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 06:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe
Size

281KB
MD5

d2c732297553f411eb8fd9ec2b5f7f85
SHA1

9c614d6069e96be45a51e396493e5b805151e60b
SHA256

9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789
SHA512

a4b02ba0aff15d80a41ee15b1bb231af67df36d7f78c880c18b644a3d9b073cbf0fd92fee7555bd0327bb910ae2f5580dfcb534a0b98c77a09dc6149149e903d
SSDEEP

6144:BAl3XkTC3dM7B+GCyusQvMRlkM4RD/qzMfUrGt:BAlHky6B+GCyUMRGM4h/qofAGt

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/0x00080000000120ff-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00080000000120ff-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
792	arp.exe
2272	arp.exe
1280	arp.exe
356	arp.exe
772	arp.exe
2168	arp.exe
2088	arp.exe
2456	arp.exe
2012	arp.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2348-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/files/0x00080000000120ff-1.dat	upx
behavioral1/memory/2348-7-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.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	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.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	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2272	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	30
PID 2348 wrote to memory of 2272	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	30
PID 2348 wrote to memory of 2272	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	30
PID 2348 wrote to memory of 2272	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	30
PID 2348 wrote to memory of 2088	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	32
PID 2348 wrote to memory of 2088	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	32
PID 2348 wrote to memory of 2088	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	32
PID 2348 wrote to memory of 2088	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	32
PID 2348 wrote to memory of 2456	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	33
PID 2348 wrote to memory of 2456	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	33
PID 2348 wrote to memory of 2456	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	33
PID 2348 wrote to memory of 2456	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	33
PID 2348 wrote to memory of 2012	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	35
PID 2348 wrote to memory of 2012	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	35
PID 2348 wrote to memory of 2012	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	35
PID 2348 wrote to memory of 2012	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	35
PID 2348 wrote to memory of 1280	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	37
PID 2348 wrote to memory of 1280	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	37
PID 2348 wrote to memory of 1280	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	37
PID 2348 wrote to memory of 1280	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	37
PID 2348 wrote to memory of 356	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	39
PID 2348 wrote to memory of 356	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	39
PID 2348 wrote to memory of 356	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	39
PID 2348 wrote to memory of 356	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	39
PID 2348 wrote to memory of 792	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	41
PID 2348 wrote to memory of 792	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	41
PID 2348 wrote to memory of 792	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	41
PID 2348 wrote to memory of 792	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	41
PID 2348 wrote to memory of 772	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	43
PID 2348 wrote to memory of 772	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	43
PID 2348 wrote to memory of 772	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	43
PID 2348 wrote to memory of 772	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	43
PID 2348 wrote to memory of 2168	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	45
PID 2348 wrote to memory of 2168	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	45
PID 2348 wrote to memory of 2168	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	45
PID 2348 wrote to memory of 2168	2348	9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe	45

C:\Users\Admin\AppData\Local\Temp\9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.exe
"C:\Users\Admin\AppData\Local\Temp\9a2ee879e338631dde907b4bbe4aa045eb7a54b8974ee8947fbe3d246782c789.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:2348
- C:\Windows\SysWOW64\arp.exe
  arp -a
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2272
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.0.1 27-21-11-e5-d4-9f
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2088
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.255.255 7e-c4-42-4b-f9-a2
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2456
- C:\Windows\SysWOW64\arp.exe
  arp -s 37.27.61.181 19-96-f6-c7-01-45
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2012
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.22 58-00-fb-df-5e-9d
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:1280
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.251 b1-3c-70-07-fb-c9
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:356
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.252 22-5c-9f-d2-a3-f7
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:792
- C:\Windows\SysWOW64\arp.exe
  arp -s 239.255.255.250 52-c2-53-59-15-8b
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:772
- C:\Windows\SysWOW64\arp.exe
  arp -s 255.255.255.255 55-56-ec-5f-19-3d
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2168

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

Loading Replay Monitor...

Downloads

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

Filesize
71KB

MD5
4fcd7574537cebec8e75b4e646996643

SHA1
efa59bb9050fb656b90d5d40c942fb2a304f2a8b

SHA256
8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d

SHA512
7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

Download Submit
memory/2348-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2348-7-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2348-5-0x0000000000080000-0x00000000000B5000-memory.dmp

Filesize
212KB

Download