floxif | 53ec2284af739cd20b1610431c4ade205271c8e3b5a385d10eb57b51d4b90976

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 17:18

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General

Target

53ec2284af739cd20b1610431c4ade205271c8e3b5a385d10eb57b51d4b90976.exe
Size

287KB
MD5

2ddaa4e23d3536c146e27f67d64e2917
SHA1

b2b7ec165d08ddea46dca84c9ee2fd2449729253
SHA256

53ec2284af739cd20b1610431c4ade205271c8e3b5a385d10eb57b51d4b90976
SHA512

446a2aad9e4805fd3227694f73578d58fe2c17e7c0f416ca3c8837db9a79eebdf5ebddf51fe899f1fb6e4d796800f530f339e025ac938b7a6fee36826336ffc3
SSDEEP

6144:dzTuN9afTJ1kHjSuyXTZBB+R8WpMBV+UdvrEFp7hKNY:dzTuN9abJGSuyXTvB+R8WiBjvrEH7aY

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/0x000b000000012261-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000b000000012261-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
584	53ec2284af739cd20b1610431c4ade205271c8e3b5a385d10eb57b51d4b90976.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/584-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000b000000012261-1.dat	upx
behavioral1/memory/584-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	53ec2284af739cd20b1610431c4ade205271c8e3b5a385d10eb57b51d4b90976.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	53ec2284af739cd20b1610431c4ade205271c8e3b5a385d10eb57b51d4b90976.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	584	53ec2284af739cd20b1610431c4ade205271c8e3b5a385d10eb57b51d4b90976.exe

C:\Users\Admin\AppData\Local\Temp\53ec2284af739cd20b1610431c4ade205271c8e3b5a385d10eb57b51d4b90976.exe
"C:\Users\Admin\AppData\Local\Temp\53ec2284af739cd20b1610431c4ade205271c8e3b5a385d10eb57b51d4b90976.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:584

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/584-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/584-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/584-5-0x0000000000E50000-0x0000000000E87000-memory.dmp

Filesize
220KB

Download