xloader | b673c8d134991fedb2a542d2959b0105df807ccbc1b7677fbba30d026eb934fb

General

Target

Poczta Polska Informacje o transakcjach2021.exe
Size

469KB
MD5

71be617eb316ec9e056c011ceeb4e983
SHA1

cc73b57e968591697b8636da47b011c96620d7cb
SHA256

3643c16e7017696ca2809399d3edbf2f7f7298e4ef3246951fac256e86176716
SHA512

a5cfc5cf2ce0ba0c4a2d8cb3697ae9e51843a4191e3da1962308ce74dcdec432bccadd19dae4ab8a2032053c79adefd56a272b62fe70dcee75d7fd58550588fd
SSDEEP

6144:nQqt9YoPyPZqXKn1B3oYHsO8e8faFocQjiuCl72rEHCgWZ45V1xp7wmEVvxZf8hL:ryE2eYJ8iFocQmuEsEHC1i5YVFV5YOs7

Score

10^/10

xloader ftgq discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

ftgq

Decoy

naturalbeautyapparel.com

abtotalsolution.com

periclescapitalmanagement.com

pleasejustdont.com

ryanscode.com

carsandscooters.com

best-polarized-sunglasses.com

hoodshawaii.com

titaefred.com

tomrings.com

swededenoting.host

birthdaytease.com

xaydzn.com

scutganxun.com

gdzhongle.com

alossol.com

shivamshield.com

fashionnailsjohnston.com

jobuelas.com

arvopaert.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
Xloader family
xloader

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2896-11-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2896-13-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2540-22-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
2632	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
3020	Poczta Polska Informacje o transakcjach2021.exe
3020	Poczta Polska Informacje o transakcjach2021.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3020 set thread context of 2896	3020	Poczta Polska Informacje o transakcjach2021.exe	30
PID 2896 set thread context of 1204	2896	Poczta Polska Informacje o transakcjach2021.exe	21
PID 2540 set thread context of 1204	2540	rundll32.exe	21

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 3 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	Poczta Polska Informacje o transakcjach2021.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 35 IoCs

pid	Process
3020	Poczta Polska Informacje o transakcjach2021.exe
3020	Poczta Polska Informacje o transakcjach2021.exe
3020	Poczta Polska Informacje o transakcjach2021.exe
3020	Poczta Polska Informacje o transakcjach2021.exe
2896	Poczta Polska Informacje o transakcjach2021.exe
2896	Poczta Polska Informacje o transakcjach2021.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe
2540	rundll32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3020	Poczta Polska Informacje o transakcjach2021.exe
2896	Poczta Polska Informacje o transakcjach2021.exe
2896	Poczta Polska Informacje o transakcjach2021.exe
2896	Poczta Polska Informacje o transakcjach2021.exe
2540	rundll32.exe
2540	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2896	Poczta Polska Informacje o transakcjach2021.exe
Token: SeDebugPrivilege	2540	rundll32.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2896	3020	Poczta Polska Informacje o transakcjach2021.exe	30
PID 3020 wrote to memory of 2896	3020	Poczta Polska Informacje o transakcjach2021.exe	30
PID 3020 wrote to memory of 2896	3020	Poczta Polska Informacje o transakcjach2021.exe	30
PID 3020 wrote to memory of 2896	3020	Poczta Polska Informacje o transakcjach2021.exe	30
PID 3020 wrote to memory of 2896	3020	Poczta Polska Informacje o transakcjach2021.exe	30
PID 1204 wrote to memory of 2540	1204	Explorer.EXE	31
PID 1204 wrote to memory of 2540	1204	Explorer.EXE	31
PID 1204 wrote to memory of 2540	1204	Explorer.EXE	31
PID 1204 wrote to memory of 2540	1204	Explorer.EXE	31
PID 1204 wrote to memory of 2540	1204	Explorer.EXE	31
PID 1204 wrote to memory of 2540	1204	Explorer.EXE	31
PID 1204 wrote to memory of 2540	1204	Explorer.EXE	31
PID 2540 wrote to memory of 2632	2540	rundll32.exe	32
PID 2540 wrote to memory of 2632	2540	rundll32.exe	32
PID 2540 wrote to memory of 2632	2540	rundll32.exe	32
PID 2540 wrote to memory of 2632	2540	rundll32.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\Poczta Polska Informacje o transakcjach2021.exe
  "C:\Users\Admin\AppData\Local\Temp\Poczta Polska Informacje o transakcjach2021.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3020
- - C:\Users\Admin\AppData\Local\Temp\Poczta Polska Informacje o transakcjach2021.exe
    "C:\Users\Admin\AppData\Local\Temp\Poczta Polska Informacje o transakcjach2021.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2896
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Poczta Polska Informacje o transakcjach2021.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\nsy3563.tmp\System.dll

Filesize
11KB

MD5
fccff8cb7a1067e23fd2e2b63971a8e1

SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91

SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

Download Submit
memory/1204-14-0x0000000003F40000-0x0000000004140000-memory.dmp

Filesize
2.0MB

Download
memory/1204-15-0x0000000004F70000-0x0000000005052000-memory.dmp

Filesize
904KB

Download
memory/1204-23-0x0000000004F70000-0x0000000005052000-memory.dmp

Filesize
904KB

Download
memory/2540-19-0x0000000000F40000-0x0000000000F4E000-memory.dmp

Filesize
56KB

Download
memory/2540-18-0x0000000000F40000-0x0000000000F4E000-memory.dmp

Filesize
56KB

Download
memory/2540-21-0x0000000000F40000-0x0000000000F4E000-memory.dmp

Filesize
56KB

Download
memory/2540-22-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/2896-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2896-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing