floxif | 065275522c26879878e49072a72e5b84652ad417f0964eff108de370368295fa

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 19:32

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General

Target

065275522c26879878e49072a72e5b84652ad417f0964eff108de370368295fa.exe
Size

228KB
MD5

a6f3406d38a7ca5f2ed875e18ffa89a3
SHA1

7fb8dd9b906ff48901f1a391ef61ad14356e7c3d
SHA256

065275522c26879878e49072a72e5b84652ad417f0964eff108de370368295fa
SHA512

921c86d7310daf2fe78e47260a6a0aa91045c51c0c0ad02567c2ba52a080b3c46360e63215859a826c4b8722e9766746c89c0906dd352b116da67246e6f420b6
SSDEEP

6144:C27rPq/qQOMIR1xGEtTBlTLABV+UdvrEFp7hKl2:C27rPq/qQERrtT3gBjvrEH7v

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

Processes:

resource	yara_rule
behavioral1/files/0x000a00000001225f-2.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
behavioral1/files/0x000a00000001225f-2.dat	acprotect

Loads dropped DLL 1 IoCs

Processes:

065275522c26879878e49072a72e5b84652ad417f0964eff108de370368295fa.exe

pid	Process
2708	065275522c26879878e49072a72e5b84652ad417f0964eff108de370368295fa.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/files/0x000a00000001225f-2.dat	upx
behavioral1/memory/2708-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2708-11-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

065275522c26879878e49072a72e5b84652ad417f0964eff108de370368295fa.exe

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	065275522c26879878e49072a72e5b84652ad417f0964eff108de370368295fa.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

Processes:

065275522c26879878e49072a72e5b84652ad417f0964eff108de370368295fa.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	065275522c26879878e49072a72e5b84652ad417f0964eff108de370368295fa.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

065275522c26879878e49072a72e5b84652ad417f0964eff108de370368295fa.exe

description	pid	Process
Token: SeDebugPrivilege	2708	065275522c26879878e49072a72e5b84652ad417f0964eff108de370368295fa.exe

C:\Users\Admin\AppData\Local\Temp\065275522c26879878e49072a72e5b84652ad417f0964eff108de370368295fa.exe
"C:\Users\Admin\AppData\Local\Temp\065275522c26879878e49072a72e5b84652ad417f0964eff108de370368295fa.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2708

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

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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/2708-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2708-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2708-5-0x00000000002B0000-0x00000000002DA000-memory.dmp

Filesize
168KB

Download
memory/2708-4-0x00000000002B0000-0x00000000002DA000-memory.dmp

Filesize
168KB

Download
memory/2708-8-0x000000000040B000-0x000000000040E000-memory.dmp

Filesize
12KB

Download
memory/2708-11-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2708-12-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download