floxif | 26f01312c97faf0943e1989d07d56d52ea84c056a95fe8c365d46c85e00f5afd

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 08:06

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General

Target

26f01312c97faf0943e1989d07d56d52ea84c056a95fe8c365d46c85e00f5afd.exe
Size

234KB
MD5

de32f29320fa5440c0181eac8c0f9266
SHA1

17438f8b5953348edee63cddbb79c53960f1a1eb
SHA256

26f01312c97faf0943e1989d07d56d52ea84c056a95fe8c365d46c85e00f5afd
SHA512

f05a0ecc3231aa86757fc8b2be8eff3ce294f25f68c6b11edf60632a9ca85ffbec2b48a1ff9e39c10b64a8f5f09def4ac57dd3846e316de8e8b7dd2b68333fe1
SSDEEP

6144:b+GP/aK2h9H/B+/kBV+UdvrEFp7hKoIStN:b+GP/aK2vB+sBjvrEH7ZII

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/0x00090000000120fb-2.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00090000000120fb-2.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2960	26f01312c97faf0943e1989d07d56d52ea84c056a95fe8c365d46c85e00f5afd.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00090000000120fb-2.dat	upx
behavioral1/memory/2960-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2960-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	26f01312c97faf0943e1989d07d56d52ea84c056a95fe8c365d46c85e00f5afd.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	26f01312c97faf0943e1989d07d56d52ea84c056a95fe8c365d46c85e00f5afd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2960	26f01312c97faf0943e1989d07d56d52ea84c056a95fe8c365d46c85e00f5afd.exe

C:\Users\Admin\AppData\Local\Temp\26f01312c97faf0943e1989d07d56d52ea84c056a95fe8c365d46c85e00f5afd.exe
"C:\Users\Admin\AppData\Local\Temp\26f01312c97faf0943e1989d07d56d52ea84c056a95fe8c365d46c85e00f5afd.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2960

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2960-0-0x0000000000297000-0x0000000000298000-memory.dmp

Filesize
4KB

Download
memory/2960-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2960-6-0x0000000000290000-0x00000000002B9000-memory.dmp

Filesize
164KB

Download
memory/2960-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download