floxif | 45ed9d7c09108f44a8ffdd2e14f32c1f5ea34a4e16bf94d29cd53bc80504ce17

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 19:41

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General

Target

45ed9d7c09108f44a8ffdd2e14f32c1f5ea34a4e16bf94d29cd53bc80504ce17.exe
Size

561KB
MD5

96ce282474caba4af39c9856238ff9a1
SHA1

d304647256870a961cfa7776dfb1e20fe0546654
SHA256

45ed9d7c09108f44a8ffdd2e14f32c1f5ea34a4e16bf94d29cd53bc80504ce17
SHA512

092538f6ab9e1e45bf8d7084b650b8fd7fe72e29e4965231b7b09b6d026576b2855e57dd84e6d876ae5dcfe46bcade6684533469d98cc91e6150f66396f5fc9d
SSDEEP

3072:mTb0GYBFLiMSDdpfN/xVtQ5zczsLgBerzj32lQBV+UdE+rECWp7hKpC5:mHgWKc94PBV+UdvrEFp7hKg5

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/0x000a00000001202c-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a00000001202c-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2324	45ed9d7c09108f44a8ffdd2e14f32c1f5ea34a4e16bf94d29cd53bc80504ce17.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a00000001202c-1.dat	upx
behavioral1/memory/2324-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2324-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	45ed9d7c09108f44a8ffdd2e14f32c1f5ea34a4e16bf94d29cd53bc80504ce17.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	45ed9d7c09108f44a8ffdd2e14f32c1f5ea34a4e16bf94d29cd53bc80504ce17.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2324	45ed9d7c09108f44a8ffdd2e14f32c1f5ea34a4e16bf94d29cd53bc80504ce17.exe

C:\Users\Admin\AppData\Local\Temp\45ed9d7c09108f44a8ffdd2e14f32c1f5ea34a4e16bf94d29cd53bc80504ce17.exe
"C:\Users\Admin\AppData\Local\Temp\45ed9d7c09108f44a8ffdd2e14f32c1f5ea34a4e16bf94d29cd53bc80504ce17.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2324

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/2324-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2324-5-0x0000000000407000-0x000000000040A000-memory.dmp

Filesize
12KB

Download
memory/2324-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download