floxif | 258e965bbae7a02316d79323e6f955c8dd772fca70c68cde6b8c4e56f17ae5fe

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 01:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-12-11_6627588e4275ec88f84fc6f39d201837_floxif_magniber.exe
Size

11.9MB
MD5

6627588e4275ec88f84fc6f39d201837
SHA1

6e3d1b89ed58efbfeec2407c2edd5e9f6f6cf7cb
SHA256

258e965bbae7a02316d79323e6f955c8dd772fca70c68cde6b8c4e56f17ae5fe
SHA512

a0b61b6f4ae55b19e2d92c2091bdfb088ae3dcaf1be362722f2605a1f5b75e6b488f1e1391cca933059f109ededaaaf3ec4a3361bdcf4528529e20abf51ef5d1
SSDEEP

196608:I+XXXaRbXeZ0f1vwnFzOSoQ33snJuokGef6z:I+6RbuqtvwnFWDz

Score

10^/10

floxif backdoor discovery persistence privilege_escalation 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/0x000a000000023bff-2.dat	floxif

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000a000000023bff-2.dat	acprotect

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	2024-12-11_6627588e4275ec88f84fc6f39d201837_floxif_magniber.exe

Executes dropped EXE 1 IoCs

pid	Process
4128	Ditto.exe

Loads dropped DLL 6 IoCs

pid	Process
996	2024-12-11_6627588e4275ec88f84fc6f39d201837_floxif_magniber.exe
4128	Ditto.exe
4128	Ditto.exe
4128	Ditto.exe
4128	Ditto.exe
4128	Ditto.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:	2024-12-11_6627588e4275ec88f84fc6f39d201837_floxif_magniber.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/996-0-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/files/0x000a000000023bff-2.dat	upx
behavioral2/memory/996-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4128-72-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/996-113-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/996-114-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4128-118-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-12-11_6627588e4275ec88f84fc6f39d201837_floxif_magniber.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	2024-12-11_6627588e4275ec88f84fc6f39d201837_floxif_magniber.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ditto.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
996	2024-12-11_6627588e4275ec88f84fc6f39d201837_floxif_magniber.exe
996	2024-12-11_6627588e4275ec88f84fc6f39d201837_floxif_magniber.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	996	2024-12-11_6627588e4275ec88f84fc6f39d201837_floxif_magniber.exe
Token: SeDebugPrivilege	4128	Ditto.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4128	Ditto.exe
4128	Ditto.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4128	Ditto.exe
4128	Ditto.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4128	Ditto.exe
4128	Ditto.exe
4128	Ditto.exe
4128	Ditto.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 4128	996	2024-12-11_6627588e4275ec88f84fc6f39d201837_floxif_magniber.exe	82
PID 996 wrote to memory of 4128	996	2024-12-11_6627588e4275ec88f84fc6f39d201837_floxif_magniber.exe	82
PID 996 wrote to memory of 4128	996	2024-12-11_6627588e4275ec88f84fc6f39d201837_floxif_magniber.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-12-11_6627588e4275ec88f84fc6f39d201837_floxif_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-11_6627588e4275ec88f84fc6f39d201837_floxif_magniber.exe"
1⤵
- Checks computer location settings
- 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
- Suspicious use of WriteProcessMemory
PID:996
- C:\Users\Admin\AppData\Local\Temp\SubDirectory\Ditto.exe
  "C:\Users\Admin\AppData\Local\Temp\SubDirectory\Ditto.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:4128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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

Loading Replay Monitor...

Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\FPD1A8.tmp

Filesize
188B

MD5
516b8867d053e6c1a890a6b173b1d1d8

SHA1
3d1714a12f243e5100f34b199b6e7c253424a9f2

SHA256
43b015fa314dd8ec8a70ff8623cb54208b7e68c3898f165f169ef1a25f44daaa

SHA512
e734128dbb39c20eb535eab24faa37f0c765adda068e47b347405a1d659cf6170a1fce4eb53a82b55635e7355b1a94ccf7965bdbb50aa54ee6a7d66af5bd314a

Download Submit
C:\Users\Admin\AppData\Local\Temp\SubDirectory\Addins\DittoUtil.dll

Filesize
42KB

MD5
e7c7df2a4f053944080f2fe5a427af24

SHA1
54c6745b494951f4cb0e8d011395019800920dda

SHA256
6f52b436512c930752da8494d4c9bd2d6668de553676eb503c009e0b22e9ced4

SHA512
e8534ef495eb1e72f6016b8215305311756a1da60542c45701d08afe0d612fa5a73b2d012eff01d45e69d20b02f28c8278fb7132f5319d95d94c41fa8be9034f

Download Submit
C:\Users\Admin\AppData\Local\Temp\SubDirectory\Ditto.Settings

Filesize
1KB

MD5
4b3d539ccf886abc8f72d5a83a89c3ac

SHA1
3deef24c580e356d673726221f2f4fc4bae47949

SHA256
856a8f42f86ed2d751f119bddf656d3ec9c3d5e43ef400ce73f56705c4ed9d91

SHA512
32225f6a5eba83508f7e25dc3960b56754e7dbc2a211a70a6d263dcd55db737bdb3e5d431edc6878e013385ca4a08703cb90241d915696d1fde0eb64734efd16

Download Submit
C:\Users\Admin\AppData\Local\Temp\SubDirectory\Ditto.Settings

Filesize
1KB

MD5
fa132ea0b109fb8a8d3222a1b89ef140

SHA1
472c03973e1ab8d1826a7b02f8d8af2b63f27e10

SHA256
e9e0e324e0d310ff0731c748748f650c69aef87618f720da6746e7d01d2d95f8

SHA512
a6c3def2dafd3f75cbaab66868ca62a47c9cb5db1da57d03f5f31da778fcfbea68a2d3a6f3cd9b7eab0935f1892b824b60c45f4173798b70dc9ae3514d7956cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\SubDirectory\Ditto.db

Filesize
2.4MB

MD5
b3aefcd161d8f3abcad3b77b2e240213

SHA1
53fefa4076a9b2a313480963baf3f2068add5583

SHA256
b55c578e8b39eedf5f17bc1c1cbe22dd4935f07b4c82616e5d152119a7e97d71

SHA512
3eb61ed8ff5d4ac0350da1feeed34b4d9e2b8d3144a08a874996b269318f89d56817d0fe435d744f363734bddcc9b1648558f9f9fc07997fcc79a677781ebb81

Download Submit
C:\Users\Admin\AppData\Local\Temp\SubDirectory\Ditto.exe

Filesize
1.4MB

MD5
a7569cdf60db586ec255ef9ffe311498

SHA1
c24e44bb073bcdca78aa815e22a1edafce2069db

SHA256
8a3c268f908ee5994bf9bb43bbf04a31d82506d15a11e69c9d98501c8f11c91a

SHA512
62328abf4292275dff7219a60e59df0fdac297f09f822e426d309056705a17e3733449c19136f1166602b3a301c05c2b23c088d4bdde2195a3e2ac2a7b455d33

Download Submit
C:\Users\Admin\AppData\Local\Temp\SubDirectory\language\Korean.xml

Filesize
26KB

MD5
e842a5edbd85faf934974e75cfa113a6

SHA1
8a22ede998648213037e744554a9524a2bd2c84a

SHA256
3045429dc7c1ee4a0d55905a80ac1a2a13c6338edd3da518eea4eb2fcd933bfc

SHA512
36a6d2a7aecd07e16b1449247b00d488a85cb12ac7477a86a6fc76451258d7201f7aef7329d36954ea2d8d2c88d31cc0ad888b51f3fd27637e02330294adc6f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\SubDirectory\mfc100u.dll

Filesize
4.2MB

MD5
f841f32ad816dbf130f10d86fab99b1a

SHA1
0f8b90814b33275cf39f95e769927497da9460bf

SHA256
7a4cfbce1eb48d4f8988212c2e338d7781b9894ef0f525e871c22bb730a74f3e

SHA512
6222f16722a61ee6950b6fbcbe46c2b08e2394ce3dd32d34656faf2719e190e66b4e59617c83f117ad3793b1292a107f275087b037cf1b6e4d9819323748079a

Download Submit
C:\Users\Admin\AppData\Local\Temp\SubDirectory\msvcp100.dll

Filesize
411KB

MD5
03e9314004f504a14a61c3d364b62f66

SHA1
0aa3caac24fdf9d9d4c618e2bbf0a063036cd55d

SHA256
a3ba6421991241bea9c8334b62c3088f8f131ab906c3cc52113945d05016a35f

SHA512
2fcff4439d2759d93c57d49b24f28ae89b7698e284e76ac65fe2b50bdefc23a8cc3c83891d671de4e4c0f036cef810856de79ac2b028aa89a895bf35abff8c8d

Download Submit
C:\Users\Admin\AppData\Local\Temp\SubDirectory\msvcr100.dll

Filesize
752KB

MD5
67ec459e42d3081dd8fd34356f7cafc1

SHA1
1738050616169d5b17b5adac3ff0370b8c642734

SHA256
1221a09484964a6f38af5e34ee292b9afefccb3dc6e55435fd3aaf7c235d9067

SHA512
9ed1c106df217e0b4e4fbd1f4275486ceba1d8a225d6c7e47b854b0b5e6158135b81be926f51db0ad5c624f9bd1d09282332cf064680dc9f7d287073b9686d33

Download Submit
memory/996-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/996-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/996-113-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/996-114-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4128-72-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4128-118-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download