floxif | 03c122c6515a2a61869575128e0e27a7c6d745fabd14f147cc3d0358cdec1915

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 19:37

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General

Target

03c122c6515a2a61869575128e0e27a7c6d745fabd14f147cc3d0358cdec1915.exe
Size

278KB
MD5

cfa77767a863c2e37962756bfc8c7e74
SHA1

b33c9a13f475e791a8d4cd89fd6b6e9dc0fad58f
SHA256

03c122c6515a2a61869575128e0e27a7c6d745fabd14f147cc3d0358cdec1915
SHA512

a07e0821f55276747fe263e310c0505c69461442974e6d4f96cbbdc323d51a5d1bd980ea606b8292a63e1965aae3dc0e8c869d9abb82c79a30de42f7856c0637
SSDEEP

6144:1Asl/DRfO+DC3dM7B+mCHIBV+UdvrEFp7hKJ1:1AslbRfO56B+mCoBjvrEH7Q1

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/0x000b0000000120dc-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000b0000000120dc-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3056	03c122c6515a2a61869575128e0e27a7c6d745fabd14f147cc3d0358cdec1915.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000b0000000120dc-1.dat	upx
behavioral1/memory/3056-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/3056-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	03c122c6515a2a61869575128e0e27a7c6d745fabd14f147cc3d0358cdec1915.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	03c122c6515a2a61869575128e0e27a7c6d745fabd14f147cc3d0358cdec1915.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3056	03c122c6515a2a61869575128e0e27a7c6d745fabd14f147cc3d0358cdec1915.exe

C:\Users\Admin\AppData\Local\Temp\03c122c6515a2a61869575128e0e27a7c6d745fabd14f147cc3d0358cdec1915.exe
"C:\Users\Admin\AppData\Local\Temp\03c122c6515a2a61869575128e0e27a7c6d745fabd14f147cc3d0358cdec1915.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3056

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/3056-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3056-5-0x0000000000D00000-0x0000000000D35000-memory.dmp

Filesize
212KB

Download
memory/3056-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download