floxif | 714bd0c0c2a21320de7acb700bc1d52f3fe2a867b1d9da3fc693dd6840c1b9e2

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 05:02

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General

Target

714bd0c0c2a21320de7acb700bc1d52f3fe2a867b1d9da3fc693dd6840c1b9e2N.exe
Size

277KB
MD5

ac4d7a5c76dbb3dd8e264154d5e0d620
SHA1

f52437049cd6a45959af4f828403e0a0498ce5a5
SHA256

714bd0c0c2a21320de7acb700bc1d52f3fe2a867b1d9da3fc693dd6840c1b9e2
SHA512

f1cc461f8bfe5b1638a8cfda0c2f4556ea9c6333bd2c74d9e045c1a55350d33bd68ec3663d4fc36618a573507e20c714d7d80985915786fed1e2c4ff7f5db30a
SSDEEP

6144:cSAGl/DRfkTC3dM7B+mCGBV+UdvrEFp7hKe:cSAGlbRfky6B+mCGBjvrEH71

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/0x0008000000012117-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0008000000012117-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
796	714bd0c0c2a21320de7acb700bc1d52f3fe2a867b1d9da3fc693dd6840c1b9e2N.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000012117-1.dat	upx
behavioral1/memory/796-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/796-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	714bd0c0c2a21320de7acb700bc1d52f3fe2a867b1d9da3fc693dd6840c1b9e2N.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	714bd0c0c2a21320de7acb700bc1d52f3fe2a867b1d9da3fc693dd6840c1b9e2N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	796	714bd0c0c2a21320de7acb700bc1d52f3fe2a867b1d9da3fc693dd6840c1b9e2N.exe

C:\Users\Admin\AppData\Local\Temp\714bd0c0c2a21320de7acb700bc1d52f3fe2a867b1d9da3fc693dd6840c1b9e2N.exe
"C:\Users\Admin\AppData\Local\Temp\714bd0c0c2a21320de7acb700bc1d52f3fe2a867b1d9da3fc693dd6840c1b9e2N.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:796

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/796-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/796-5-0x00000000010D0000-0x0000000001105000-memory.dmp

Filesize
212KB

Download
memory/796-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download