floxif | 05d5f63a70e0c083c627358fb2f3360590bdbbe57977033d77d82373d2e59c08

Analysis

max time kernel
126s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 17:24

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General

Target

05d5f63a70e0c083c627358fb2f3360590bdbbe57977033d77d82373d2e59c08.exe
Size

286KB
MD5

922314b53ebd03d77519367129f64676
SHA1

3b91b47b9a120cf528884531e399ad0da999ae93
SHA256

05d5f63a70e0c083c627358fb2f3360590bdbbe57977033d77d82373d2e59c08
SHA512

e68d81ca076ae0a23a211138ba3c51808b1ea844847160d7166fed8648efc57d1757ed0631951eeb41a12b12b08b5670c5131fb96bc81f8bbd063b87cd8e8bac
SSDEEP

6144:s7gKNkhSRmPkHouyXnZhB+R8WHqBV+UdvrEFp7hKFx:s7gKNkhmmDuyXnPB+R8WHqBjvrEH7gx

Score

10^/10

floxif backdoor discovery trojan upx

Malware Config

Signatures

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/0x00090000000235a9-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00090000000235a9-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
488	05d5f63a70e0c083c627358fb2f3360590bdbbe57977033d77d82373d2e59c08.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00090000000235a9-1.dat	upx
behavioral2/memory/488-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/488-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	05d5f63a70e0c083c627358fb2f3360590bdbbe57977033d77d82373d2e59c08.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	05d5f63a70e0c083c627358fb2f3360590bdbbe57977033d77d82373d2e59c08.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	488	05d5f63a70e0c083c627358fb2f3360590bdbbe57977033d77d82373d2e59c08.exe

C:\Users\Admin\AppData\Local\Temp\05d5f63a70e0c083c627358fb2f3360590bdbbe57977033d77d82373d2e59c08.exe
"C:\Users\Admin\AppData\Local\Temp\05d5f63a70e0c083c627358fb2f3360590bdbbe57977033d77d82373d2e59c08.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:488

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3056,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4384 /prefetch:8
1⤵
PID:5100

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/488-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/488-5-0x0000000000F10000-0x0000000000F47000-memory.dmp

Filesize
220KB

Download
memory/488-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download