floxif | dcd714f955a6a987a50bb201d12f010c0ae4fc751a8e949468dcadf9b8e93218

Analysis

max time kernel
93s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 19:01

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General

Target

dcd714f955a6a987a50bb201d12f010c0ae4fc751a8e949468dcadf9b8e93218N.exe
Size

229KB
MD5

ef6df410d06208d4fd2b1e3789349090
SHA1

2f13636e2ea7f769b1b407c35f6aefb9f17ff681
SHA256

dcd714f955a6a987a50bb201d12f010c0ae4fc751a8e949468dcadf9b8e93218
SHA512

311968b3c4951c99459b50c1f7349ad90f57cbefd265008e26352aea267915fc5c23150284862b4d7e2bda0034e6e0c23bc6b0df0528b5e7b0a33aceb3f02a11
SSDEEP

6144:fjEUXKswgnfT7pN01OJAgBV+UdvrEFp7hK+Y:fjEBWfretgBjvrEH7LY

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/0x0008000000023ca2-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0008000000023ca2-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4428	dcd714f955a6a987a50bb201d12f010c0ae4fc751a8e949468dcadf9b8e93218N.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4428-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x0008000000023ca2-1.dat	upx
behavioral2/memory/4428-9-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	dcd714f955a6a987a50bb201d12f010c0ae4fc751a8e949468dcadf9b8e93218N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1096	4428	WerFault.exe	81

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	dcd714f955a6a987a50bb201d12f010c0ae4fc751a8e949468dcadf9b8e93218N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4428	dcd714f955a6a987a50bb201d12f010c0ae4fc751a8e949468dcadf9b8e93218N.exe

C:\Users\Admin\AppData\Local\Temp\dcd714f955a6a987a50bb201d12f010c0ae4fc751a8e949468dcadf9b8e93218N.exe
"C:\Users\Admin\AppData\Local\Temp\dcd714f955a6a987a50bb201d12f010c0ae4fc751a8e949468dcadf9b8e93218N.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4428
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 552
  2⤵
  - Program crash
  PID:1096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4428 -ip 4428
1⤵
PID:2236

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/4428-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4428-6-0x00000000001E3000-0x00000000001E4000-memory.dmp

Filesize
4KB

Download
memory/4428-9-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4428-7-0x00000000001E0000-0x000000000039D000-memory.dmp

Filesize
1.7MB

Download