xloader | a6a3868c066bf6d3e03e7c13e9f7053523cdd2f2aaba44737a387762b7ca805f

General

Target

61vPFITGkbgCrMT.exe
Size

494KB
MD5

1562a3db939188c19ab5696f83c6e036
SHA1

b3964c733cff09ac94c9b4bc9c1f3d8c985a07f2
SHA256

619ab2c40c40c107e921df3ccd7f44946ab5a353939da1f3834213f3a507a4c0
SHA512

d2f39982222f5b01886e7ff5646b6c1bee44c8b8debef5ea5849235e93b42fd08aae701930f6aca9faff967ccf1c6e4be2c4f219fb0dad5a980b09b4734bd1a0
SSDEEP

12288:M1Uq03gcZI9plKGV05SJlpC//RRoRMQTB1:u0wcZI3lKruiXRmRMy1

Score

10^/10

xloader ur06 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

ur06

Decoy

philippebrooksdesign.com

cmoorestudio.com

profille-sarina23tammara.club

dqulxe.com

uiffinger.com

nolarapper.com

maconanimalexterminator.com

bisovka.com

loveisloveent.com

datication.com

spxo66.com

drhelpnow.com

ladybug-cle.com

macocome.com

thepoppysocks.com

eldritchparadox.com

mercadolibre.company

ismartfarm.com

kansascarlot.com

kevinld.com

Signatures

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

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2904-12-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2904-16-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2904-20-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/972-26-0x0000000000080000-0x00000000000A8000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
1188	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2492 set thread context of 2904	2492	61vPFITGkbgCrMT.exe	31
PID 2904 set thread context of 1112	2904	61vPFITGkbgCrMT.exe	20
PID 2904 set thread context of 1112	2904	61vPFITGkbgCrMT.exe	20
PID 972 set thread context of 1112	972	explorer.exe	20

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	61vPFITGkbgCrMT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
2904	61vPFITGkbgCrMT.exe
2904	61vPFITGkbgCrMT.exe
2904	61vPFITGkbgCrMT.exe
972	explorer.exe
972	explorer.exe
972	explorer.exe
972	explorer.exe
972	explorer.exe
972	explorer.exe
972	explorer.exe
972	explorer.exe
972	explorer.exe
972	explorer.exe
972	explorer.exe
972	explorer.exe
972	explorer.exe
972	explorer.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2904	61vPFITGkbgCrMT.exe
2904	61vPFITGkbgCrMT.exe
2904	61vPFITGkbgCrMT.exe
2904	61vPFITGkbgCrMT.exe
972	explorer.exe
972	explorer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	61vPFITGkbgCrMT.exe
Token: SeDebugPrivilege	972	explorer.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2904	2492	61vPFITGkbgCrMT.exe	31
PID 2492 wrote to memory of 2904	2492	61vPFITGkbgCrMT.exe	31
PID 2492 wrote to memory of 2904	2492	61vPFITGkbgCrMT.exe	31
PID 2492 wrote to memory of 2904	2492	61vPFITGkbgCrMT.exe	31
PID 2492 wrote to memory of 2904	2492	61vPFITGkbgCrMT.exe	31
PID 2492 wrote to memory of 2904	2492	61vPFITGkbgCrMT.exe	31
PID 2492 wrote to memory of 2904	2492	61vPFITGkbgCrMT.exe	31
PID 1112 wrote to memory of 972	1112	Explorer.EXE	35
PID 1112 wrote to memory of 972	1112	Explorer.EXE	35
PID 1112 wrote to memory of 972	1112	Explorer.EXE	35
PID 1112 wrote to memory of 972	1112	Explorer.EXE	35
PID 972 wrote to memory of 1188	972	explorer.exe	36
PID 972 wrote to memory of 1188	972	explorer.exe	36
PID 972 wrote to memory of 1188	972	explorer.exe	36
PID 972 wrote to memory of 1188	972	explorer.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Users\Admin\AppData\Local\Temp\61vPFITGkbgCrMT.exe
  "C:\Users\Admin\AppData\Local\Temp\61vPFITGkbgCrMT.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2492
- - C:\Users\Admin\AppData\Local\Temp\61vPFITGkbgCrMT.exe
    "C:\Users\Admin\AppData\Local\Temp\61vPFITGkbgCrMT.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2904
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2500
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3040
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1928
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:972
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\61vPFITGkbgCrMT.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:1188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/972-25-0x00000000006C0000-0x0000000000941000-memory.dmp

Filesize
2.5MB

Download
memory/972-24-0x00000000006C0000-0x0000000000941000-memory.dmp

Filesize
2.5MB

Download
memory/972-26-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/1112-22-0x0000000006680000-0x0000000006823000-memory.dmp

Filesize
1.6MB

Download
memory/1112-23-0x0000000006DD0000-0x0000000006F4A000-memory.dmp

Filesize
1.5MB

Download
memory/1112-18-0x0000000006680000-0x0000000006823000-memory.dmp

Filesize
1.6MB

Download
memory/1112-27-0x0000000006DD0000-0x0000000006F4A000-memory.dmp

Filesize
1.5MB

Download
memory/2492-3-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2492-4-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2492-13-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2492-0-0x00000000741C1000-0x00000000741C2000-memory.dmp

Filesize
4KB

Download
memory/2492-2-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2492-1-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2904-14-0x00000000009E0000-0x0000000000CE3000-memory.dmp

Filesize
3.0MB

Download
memory/2904-20-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2904-21-0x00000000001F0000-0x0000000000200000-memory.dmp

Filesize
64KB

Download
memory/2904-17-0x0000000000120000-0x0000000000130000-memory.dmp

Filesize
64KB

Download
memory/2904-16-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2904-7-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2904-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2904-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2904-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

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