floxif | 54fb05a159562735fd5391b68be7134b999b25a832d51b1b51af7ad4fbdcbf53

Analysis

max time kernel
140s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2025 01:26

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General

Target

2025-01-26_33b3266bf981a94c36c9956b0041fafe_floxif_magniber.exe
Size

11.9MB
MD5

33b3266bf981a94c36c9956b0041fafe
SHA1

e251c0473cb087992658b522481e64b66e74e106
SHA256

54fb05a159562735fd5391b68be7134b999b25a832d51b1b51af7ad4fbdcbf53
SHA512

b72cfff5504d1f311c7c54862a0420208982ff1e74cb7611e25225d7614d9e918fa1eca14250489b02b87a821f9a9efd1d67c0dc7c711739c51552f60f03da3c
SSDEEP

196608:D+XXXaRbXeZ0f1vwnFzOSoQ33snJuokGef6V:D+6RbuqtvwnFWDV

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/0x000c000000023b54-2.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023b54-2.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2025-01-26_33b3266bf981a94c36c9956b0041fafe_floxif_magniber.exe

Executes dropped EXE 1 IoCs

pid	Process
4160	Ditto.exe

Loads dropped DLL 5 IoCs

pid	Process
4928	2025-01-26_33b3266bf981a94c36c9956b0041fafe_floxif_magniber.exe
4160	Ditto.exe
4160	Ditto.exe
4160	Ditto.exe
4160	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:	2025-01-26_33b3266bf981a94c36c9956b0041fafe_floxif_magniber.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4928-0-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/files/0x000c000000023b54-2.dat	upx
behavioral2/memory/4928-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4928-111-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/4928-112-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2025-01-26_33b3266bf981a94c36c9956b0041fafe_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	2025-01-26_33b3266bf981a94c36c9956b0041fafe_floxif_magniber.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ditto.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4928	2025-01-26_33b3266bf981a94c36c9956b0041fafe_floxif_magniber.exe
4928	2025-01-26_33b3266bf981a94c36c9956b0041fafe_floxif_magniber.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4928	2025-01-26_33b3266bf981a94c36c9956b0041fafe_floxif_magniber.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4160	Ditto.exe
4160	Ditto.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4160	Ditto.exe
4160	Ditto.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4160	Ditto.exe
4160	Ditto.exe
4160	Ditto.exe
4160	Ditto.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 4160	4928	2025-01-26_33b3266bf981a94c36c9956b0041fafe_floxif_magniber.exe	83
PID 4928 wrote to memory of 4160	4928	2025-01-26_33b3266bf981a94c36c9956b0041fafe_floxif_magniber.exe	83
PID 4928 wrote to memory of 4160	4928	2025-01-26_33b3266bf981a94c36c9956b0041fafe_floxif_magniber.exe	83

C:\Users\Admin\AppData\Local\Temp\2025-01-26_33b3266bf981a94c36c9956b0041fafe_floxif_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-26_33b3266bf981a94c36c9956b0041fafe_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:4928
- 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 FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:4160

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
C:\Users\Admin\AppData\Local\Temp\FPA25A.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
e0cbd68347493df5d4f6f232d508f0a8

SHA1
c24191f96e22e7b8184743fd60dd90f1dd0de1c0

SHA256
dfe375ba181acc0a808c87d9b61e1fe16e259d074345fa0640713725ab9a780f

SHA512
13dfe7024bd827b941e1003e73fb252e477c72062a8e27cbf3a42fbcfebf0e384dbbb8d61a0a964e8daadff6ba1a4b3ac0e62e9c01dfbff48e442d580a6796fd

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

Filesize
1KB

MD5
3c068effc6e4d0c7d17767c92fb021fc

SHA1
f57c465f7db3163f2b2b5e67671d59c705352451

SHA256
ba54a29ea15d3f67e7ce9061d31df972016176e92041580fd5a5c154bb9b2ed1

SHA512
3d13b8dcee80ae9c1ffb830ec5c694ba72e589be63f31e610e31a0dc26bfbd17bcc3fe98e2df2d8d669a1417631fbc9953207f19ae522ec00128bcee971bdddc

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\MSVCR100.dll

Filesize
752KB

MD5
67ec459e42d3081dd8fd34356f7cafc1

SHA1
1738050616169d5b17b5adac3ff0370b8c642734

SHA256
1221a09484964a6f38af5e34ee292b9afefccb3dc6e55435fd3aaf7c235d9067

SHA512
9ed1c106df217e0b4e4fbd1f4275486ceba1d8a225d6c7e47b854b0b5e6158135b81be926f51db0ad5c624f9bd1d09282332cf064680dc9f7d287073b9686d33

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
memory/4928-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4928-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4928-111-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4928-112-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download