floxif | 08145e87102a8b7f3b57efb25f082296155a3f391f5d7cd2ec8b1a1aae1ed088

Analysis

max time kernel
95s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2025, 06:46

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General

Target

08145e87102a8b7f3b57efb25f082296155a3f391f5d7cd2ec8b1a1aae1ed088.exe
Size

440KB
MD5

5ecc56c72a8d31ed8497d2dd143d87a8
SHA1

fb46956b689812607b5b87006f72cd40f3f588b5
SHA256

08145e87102a8b7f3b57efb25f082296155a3f391f5d7cd2ec8b1a1aae1ed088
SHA512

2b5be4b1f1381a974c5569425b40b6d8ad09847435e7084cf9fe4a11c8858725f6b7168e1afce8a080fd691a33f2dc8c9e80b4bead83b264061423f6265fb1fa
SSDEEP

12288:2/J+CtaxnjZpAbxdxDcWcnR4bfXfwnqw8xHgbYpjY8NO0qwxeWfF02/S0lqJqcZm:+eW+h0DvfeUYqcZQCGm4YprEH7nv

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/0x0008000000023cad-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0008000000023cad-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4596	08145e87102a8b7f3b57efb25f082296155a3f391f5d7cd2ec8b1a1aae1ed088.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	08145e87102a8b7f3b57efb25f082296155a3f391f5d7cd2ec8b1a1aae1ed088.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000023cad-1.dat	upx
behavioral2/memory/4596-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4596-16-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	08145e87102a8b7f3b57efb25f082296155a3f391f5d7cd2ec8b1a1aae1ed088.exe
File created	\??\c:\program files\common files\system\symsrv.dll.000	08145e87102a8b7f3b57efb25f082296155a3f391f5d7cd2ec8b1a1aae1ed088.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	08145e87102a8b7f3b57efb25f082296155a3f391f5d7cd2ec8b1a1aae1ed088.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4596	08145e87102a8b7f3b57efb25f082296155a3f391f5d7cd2ec8b1a1aae1ed088.exe
4596	08145e87102a8b7f3b57efb25f082296155a3f391f5d7cd2ec8b1a1aae1ed088.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4596	08145e87102a8b7f3b57efb25f082296155a3f391f5d7cd2ec8b1a1aae1ed088.exe

C:\Users\Admin\AppData\Local\Temp\08145e87102a8b7f3b57efb25f082296155a3f391f5d7cd2ec8b1a1aae1ed088.exe
"C:\Users\Admin\AppData\Local\Temp\08145e87102a8b7f3b57efb25f082296155a3f391f5d7cd2ec8b1a1aae1ed088.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

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/4596-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4596-5-0x0000000000331000-0x0000000000332000-memory.dmp

Filesize
4KB

Download
memory/4596-15-0x0000000000330000-0x0000000000397000-memory.dmp

Filesize
412KB

Download
memory/4596-16-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download