floxif | 8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643

General

Target

8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe
Size

6.5MB
MD5

c0775ed7170bdd8a0c2be8fa6aa138d7
SHA1

4342da1aad8a7f335a2bdde0cdcf112f47de0da5
SHA256

8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643
SHA512

03ac76fddcf98f70020ef41d6ae2b4f06dcf5fb11186c29f338b41fed35d476d68b1c663a64df92e8e4bf3d513702d569fba597bd27a27a3654f2187d009f03f
SSDEEP

196608:MwBf4FY0Y+YneDPZiwGPNZqNJgh0ODINUkeZZ7G:5p0pmQBiwGCfGibeb7G

Score

10^/10

floxif backdoor discovery trojan upx

Malware Config

Signatures

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/0x000e000000013ab3-2.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000e000000013ab3-2.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1708	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1708-0-0x0000000000400000-0x000000000058A000-memory.dmp	upx
behavioral1/files/0x000e000000013ab3-2.dat	upx
behavioral1/memory/1708-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1708-12-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1708-10-0x0000000000400000-0x000000000058A000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1708	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	1708	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe
Token: SeBackupPrivilege	1708	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe
Token: SeRestorePrivilege	1708	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe
Token: 33	1708	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe
Token: SeIncBasePriorityPrivilege	1708	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe
Token: SeCreateGlobalPrivilege	1708	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe
Token: 33	1708	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe
Token: SeIncBasePriorityPrivilege	1708	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe
Token: SeDebugPrivilege	1708	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 2888	1708	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe	31
PID 1708 wrote to memory of 2888	1708	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe	31
PID 1708 wrote to memory of 2888	1708	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe	31
PID 1708 wrote to memory of 2888	1708	8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe	31

C:\Users\Admin\AppData\Local\Temp\8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe
"C:\Users\Admin\AppData\Local\Temp\8b32a4ebaac8901d81259de30741cec367ca79779d36ccf4d9813673e2f38643.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\system32\cmd.exe
  cmd.exe /c set
  2⤵
  PID:2888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1708-0-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/1708-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1708-6-0x00000000004B6000-0x00000000004B9000-memory.dmp

Filesize
12KB

Download
memory/1708-12-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1708-10-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download

Analysis

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