floxif | 25612549fd9d2d34631f02cea0159dd071092fd2ba87b92e1318f589897fba0c

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-12-2024 06:10

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General

Target

25612549fd9d2d34631f02cea0159dd071092fd2ba87b92e1318f589897fba0c.exe
Size

527KB
MD5

54bcc6bd22af64002eab950d1bcfd376
SHA1

6557692a7916eaf2a9acb2af7caee98dde2684ed
SHA256

25612549fd9d2d34631f02cea0159dd071092fd2ba87b92e1318f589897fba0c
SHA512

5a412e6ca5393386276e0834ded0e7806a194067694e2e937b751d70a17900fe36abdf259c41d52141cef4e5447aaaab784d2f85cf57c889f5797d1cc5fba778
SSDEEP

12288:qXYc0pShYi9KYVCEh0K+yfVw4Sk5GpBjvrEH73:SYcKC9K8rNtTSwG3rEH73

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/0x000a00000001225a-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a00000001225a-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2504	25612549fd9d2d34631f02cea0159dd071092fd2ba87b92e1318f589897fba0c.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a00000001225a-1.dat	upx
behavioral1/memory/2504-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2504-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	25612549fd9d2d34631f02cea0159dd071092fd2ba87b92e1318f589897fba0c.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	25612549fd9d2d34631f02cea0159dd071092fd2ba87b92e1318f589897fba0c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	25612549fd9d2d34631f02cea0159dd071092fd2ba87b92e1318f589897fba0c.exe

C:\Users\Admin\AppData\Local\Temp\25612549fd9d2d34631f02cea0159dd071092fd2ba87b92e1318f589897fba0c.exe
"C:\Users\Admin\AppData\Local\Temp\25612549fd9d2d34631f02cea0159dd071092fd2ba87b92e1318f589897fba0c.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2504

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/2504-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2504-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2504-5-0x0000000001250000-0x00000000012C2000-memory.dmp

Filesize
456KB

Download