floxif | bd76b60e70041cecacc267ea07604dc591971f6529c9bd9c61287f377ba20a92

Analysis

max time kernel
94s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 06:19

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General

Target

bd76b60e70041cecacc267ea07604dc591971f6529c9bd9c61287f377ba20a92.exe
Size

243KB
MD5

7bb18f1d95652d2b1ba49f28185b85fc
SHA1

b0ec4a2bd537dda3b84bcb57f87390d8b770f1ab
SHA256

bd76b60e70041cecacc267ea07604dc591971f6529c9bd9c61287f377ba20a92
SHA512

4c9296b9feb45943ef106464ca137ef605ae1d8a23bec468606a9843e0a9587264aa30cedd921db6b6a5792057dc4ea0da0cc1665ca87a0bd09625490d3c6ede
SSDEEP

3072:ewzvOYNW5uAvT/DvbEvK9aobNI2B+DlIH3angqtirxzGlB89Vo6FoCG55lO/X9uM:1WMQh9H/B+3ChmBV+UdvrEFp7hKJG

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
behavioral2/files/0x000c000000023ba2-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023ba2-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1876	bd76b60e70041cecacc267ea07604dc591971f6529c9bd9c61287f377ba20a92.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1876-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x000c000000023ba2-1.dat	upx
behavioral2/memory/1876-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	bd76b60e70041cecacc267ea07604dc591971f6529c9bd9c61287f377ba20a92.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	bd76b60e70041cecacc267ea07604dc591971f6529c9bd9c61287f377ba20a92.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1876	bd76b60e70041cecacc267ea07604dc591971f6529c9bd9c61287f377ba20a92.exe

C:\Users\Admin\AppData\Local\Temp\bd76b60e70041cecacc267ea07604dc591971f6529c9bd9c61287f377ba20a92.exe
"C:\Users\Admin\AppData\Local\Temp\bd76b60e70041cecacc267ea07604dc591971f6529c9bd9c61287f377ba20a92.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1876

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1876-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1876-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1876-5-0x0000000000F10000-0x0000000000F39000-memory.dmp

Filesize
164KB

Download