floxif | 8a241e1207100be780e9da46bf6178527476c386bf5b5e2db004a1de25ab3af6

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 01:37

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General

Target

8a241e1207100be780e9da46bf6178527476c386bf5b5e2db004a1de25ab3af6.exe
Size

2.3MB
MD5

0c16c0ec4c50a4e55aa41e6ca8e0ea92
SHA1

ea0092517607064c04a039a1bd7e941c0d4ac1ec
SHA256

8a241e1207100be780e9da46bf6178527476c386bf5b5e2db004a1de25ab3af6
SHA512

a8f4c18729d44864f2749e8699bbde273d598e8ff4df1746cab4fb13ed66c1944d6fbe7b06b3ad2b0c092c8d82e06fa2c1d79f484853a18f23441e39dd9f987c
SSDEEP

49152:3iG1OuwgG/yDcKPMbV7kSRtUFyRSO6jYQqs62rILx:ygOuwgG/ocKP07kSRtUFsJ6jYQqsC

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/0x000d00000001226d-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000d00000001226d-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2312	8a241e1207100be780e9da46bf6178527476c386bf5b5e2db004a1de25ab3af6.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000d00000001226d-1.dat	upx
behavioral1/memory/2312-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2312-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	8a241e1207100be780e9da46bf6178527476c386bf5b5e2db004a1de25ab3af6.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	8a241e1207100be780e9da46bf6178527476c386bf5b5e2db004a1de25ab3af6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2312	8a241e1207100be780e9da46bf6178527476c386bf5b5e2db004a1de25ab3af6.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2312	8a241e1207100be780e9da46bf6178527476c386bf5b5e2db004a1de25ab3af6.exe

C:\Users\Admin\AppData\Local\Temp\8a241e1207100be780e9da46bf6178527476c386bf5b5e2db004a1de25ab3af6.exe
"C:\Users\Admin\AppData\Local\Temp\8a241e1207100be780e9da46bf6178527476c386bf5b5e2db004a1de25ab3af6.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2312

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/2312-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2312-5-0x00000000013C0000-0x000000000160D000-memory.dmp

Filesize
2.3MB

Download
memory/2312-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2312-9-0x00000000013C0000-0x000000000160D000-memory.dmp

Filesize
2.3MB

Download