floxif | 68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159

General

Target

68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe
Size

815KB
MD5

9d8de7f33722a77ac277ceef27fd2dd2
SHA1

776312e87fed87f09c8d87186a2c04aa82571b11
SHA256

68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159
SHA512

73eaa21557305f1b4323596566f1bdb48b79361da50df5e9e3f8943dbb34a1179cf72510f517d67b2ecbfc8bb78925799b2d810d64f2830ec879a82efe5999fc
SSDEEP

24576:8iOTBLmE9/SsSCpBaUk3qPb7hxavnMRGJ/qofkF:XQD9/SNCKUkELQB1qLF

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/0x000b000000012259-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000b000000012259-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe

Network Service Discovery 1 TTPs 6 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
2776	arp.exe
2088	arp.exe
2920	arp.exe
2676	arp.exe
2788	arp.exe
2924	arp.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000b000000012259-1.dat	upx
behavioral1/memory/1668-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1668-6-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.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	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 2788	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	31
PID 1668 wrote to memory of 2788	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	31
PID 1668 wrote to memory of 2788	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	31
PID 1668 wrote to memory of 2788	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	31
PID 1668 wrote to memory of 2924	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	33
PID 1668 wrote to memory of 2924	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	33
PID 1668 wrote to memory of 2924	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	33
PID 1668 wrote to memory of 2924	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	33
PID 1668 wrote to memory of 2776	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	34
PID 1668 wrote to memory of 2776	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	34
PID 1668 wrote to memory of 2776	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	34
PID 1668 wrote to memory of 2776	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	34
PID 1668 wrote to memory of 2676	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	36
PID 1668 wrote to memory of 2676	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	36
PID 1668 wrote to memory of 2676	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	36
PID 1668 wrote to memory of 2676	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	36
PID 1668 wrote to memory of 2920	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	37
PID 1668 wrote to memory of 2920	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	37
PID 1668 wrote to memory of 2920	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	37
PID 1668 wrote to memory of 2920	1668	68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe	37

C:\Users\Admin\AppData\Local\Temp\68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.exe
"C:\Users\Admin\AppData\Local\Temp\68b4a102a3199563b91e001621199f84f5e718c04d6270509d982a90615ce159.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:1668
- C:\Windows\SysWOW64\arp.exe
  arp -a
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.0.1 8e-3f-f0-44-de-05
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2924
- C:\Windows\SysWOW64\arp.exe
  arp -s 10.127.255.255 36-1f-19-d4-68-5d
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Windows\SysWOW64\arp.exe
  arp -s 37.27.61.181 87-e2-d2-ea-a5-67
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2676
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.22 82-fc-5b-17-66-89
  2⤵
  - Network Service Discovery
  - System Location Discovery: System Language Discovery
  PID:2920
- C:\Windows\SysWOW64\arp.exe
  arp -s 224.0.0.251 cf-18-11-7a-53-a3
  2⤵
  - Network Service Discovery
  PID:2088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

1

T1046

System Location Discovery

1

T1614

System Language Discovery

1

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/1668-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1668-6-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download

Analysis

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