floxif | 313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 07:44

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General

Target

313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe
Size

14.0MB
MD5

676219d94b8598b752c18c3a030edfcf
SHA1

b2a45b4b4feaa303c2e2a571b6b10529dbfe1ea6
SHA256

313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236
SHA512

fcc3ad56a4d01f69041c08ed1ea14ef21bcc79e559f5cd192ce088a1e6fff4f86c513f0f5f5209ab8e5edb453b89dd6e4e90e249cc4daf56c3a0779734f4f083
SSDEEP

393216:tc5Efro/0q9vm9u+8SEr2YgP6b/EcIshzutf:a5k+Qu+Ugylp6B

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
behavioral2/files/0x0009000000023c60-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0009000000023c60-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3200	313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000023c60-1.dat	upx
behavioral2/memory/3200-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3200-10-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.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	313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3200	313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe
3200	313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3200	313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe
Token: SeBackupPrivilege	3200	313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe
Token: SeRestorePrivilege	3200	313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe
Token: 33	3200	313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe
Token: SeIncBasePriorityPrivilege	3200	313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe
Token: SeCreateGlobalPrivilege	3200	313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe
Token: 33	3200	313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe
Token: SeIncBasePriorityPrivilege	3200	313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe
Token: SeDebugPrivilege	3200	313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3200 wrote to memory of 1260	3200	313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe	85
PID 3200 wrote to memory of 1260	3200	313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe	85

C:\Users\Admin\AppData\Local\Temp\313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.exe
"C:\Users\Admin\AppData\Local\Temp\313ce1bb83f800b94498877a111817ef22ca833f0962f624a8a3bd6f508cc236.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:3200
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c set
  2⤵
  PID:1260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/3200-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3200-10-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3200-8-0x0000000000400000-0x00000000005A7000-memory.dmp

Filesize
1.7MB

Download