floxif | e74c9a860db47cc4a355e474f32004bba7c9bff527ce6f38dd6d78b83cb4aa2e

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 05:21

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General

Target

e74c9a860db47cc4a355e474f32004bba7c9bff527ce6f38dd6d78b83cb4aa2e.exe
Size

286KB
MD5

3cb1215df82f342fac77d6980681cfc1
SHA1

38d2b6ed9e5657a0468bcde58b07a5f01e8c0080
SHA256

e74c9a860db47cc4a355e474f32004bba7c9bff527ce6f38dd6d78b83cb4aa2e
SHA512

cdeaa20728b6136322f4290f95e3e6460350e1f5e1f5d3840941c1f0d0e89641b36b2aa3b75e0c1515a6182081c47d25a7c496eb908322b1d15c75cfa3ce5fb3
SSDEEP

6144:N667gKNkhSR/5kHouyXnZhB+R8WHqBV+UdvrEFp7hKQt:N667gKNkhm/JuyXnPB+R8WHqBjvrEH75

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/0x000a00000001202c-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a00000001202c-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1684	e74c9a860db47cc4a355e474f32004bba7c9bff527ce6f38dd6d78b83cb4aa2e.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a00000001202c-1.dat	upx
behavioral1/memory/1684-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1684-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	e74c9a860db47cc4a355e474f32004bba7c9bff527ce6f38dd6d78b83cb4aa2e.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	e74c9a860db47cc4a355e474f32004bba7c9bff527ce6f38dd6d78b83cb4aa2e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1684	e74c9a860db47cc4a355e474f32004bba7c9bff527ce6f38dd6d78b83cb4aa2e.exe

C:\Users\Admin\AppData\Local\Temp\e74c9a860db47cc4a355e474f32004bba7c9bff527ce6f38dd6d78b83cb4aa2e.exe
"C:\Users\Admin\AppData\Local\Temp\e74c9a860db47cc4a355e474f32004bba7c9bff527ce6f38dd6d78b83cb4aa2e.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1684

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/1684-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1684-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1684-5-0x0000000001140000-0x0000000001177000-memory.dmp

Filesize
220KB

Download