xloader | d6d59093320d04c4cf05c9451186fb00b28a097ecc00a473def3c7ee64be25c2

General

Target

$PLUGINSDIR/jdzq.dll
Size

34KB
MD5

3cbfaabed5bfdf7ba91b2239ff4f54ae
SHA1

f135231f2966ef23161b8744cf5c4d321234d1e0
SHA256

369665e2448df9c8a1dce71ca14a508f4767ee7b4a141a39d662fff5a523a1a3
SHA512

a4a9bddc5d0c805f15974dc5b975196f9af26fdf8285c6d7ffbdcb22f3529d44863e8616cb33167f0b3a456e07cbd71fae3916b1c0c792317f36b90565e6184d
SSDEEP

768:F+Fegdn2Nn9Zee2WcRUHx7cLemtcuRAoTGgV:FXggN943WcRywem+uRAoKgV

Score

10^/10

xloader rgv6 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

rgv6

Decoy

goodluck-shop.com

bra866.com

act2design.com

highclear.xyz

luneeatery.com

northeasttexasperio.com

lowresvideo.com

xn--gmqxk523cur2c.com

64382.online

duiqx.icu

successsuitsu.com

monarchscaffolding.com

bodybybetsy.com

bambooquotes.com

maktabeahlesunnat.com

francetempspartage.com

ivcleanse.care

vessel-wave.com

perranormalidad.com

inkhacks.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral3/memory/1560-1-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/1560-4-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2268-9-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2536 set thread context of 1560	2536	rundll32.exe	32
PID 1560 set thread context of 1368	1560	rundll32.exe	21
PID 2268 set thread context of 1368	2268	msdt.exe	21

System Location Discovery: System Language Discovery 1 TTPs 4 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1560	rundll32.exe
1560	rundll32.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe
2268	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1560	rundll32.exe
1560	rundll32.exe
1560	rundll32.exe
2268	msdt.exe
2268	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1560	rundll32.exe
Token: SeDebugPrivilege	2268	msdt.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 2536	1104	rundll32.exe	31
PID 1104 wrote to memory of 2536	1104	rundll32.exe	31
PID 1104 wrote to memory of 2536	1104	rundll32.exe	31
PID 1104 wrote to memory of 2536	1104	rundll32.exe	31
PID 1104 wrote to memory of 2536	1104	rundll32.exe	31
PID 1104 wrote to memory of 2536	1104	rundll32.exe	31
PID 1104 wrote to memory of 2536	1104	rundll32.exe	31
PID 2536 wrote to memory of 1560	2536	rundll32.exe	32
PID 2536 wrote to memory of 1560	2536	rundll32.exe	32
PID 2536 wrote to memory of 1560	2536	rundll32.exe	32
PID 2536 wrote to memory of 1560	2536	rundll32.exe	32
PID 2536 wrote to memory of 1560	2536	rundll32.exe	32
PID 2536 wrote to memory of 1560	2536	rundll32.exe	32
PID 2536 wrote to memory of 1560	2536	rundll32.exe	32
PID 2536 wrote to memory of 1560	2536	rundll32.exe	32
PID 2536 wrote to memory of 1560	2536	rundll32.exe	32
PID 2536 wrote to memory of 1560	2536	rundll32.exe	32
PID 1368 wrote to memory of 2268	1368	Explorer.EXE	33
PID 1368 wrote to memory of 2268	1368	Explorer.EXE	33
PID 1368 wrote to memory of 2268	1368	Explorer.EXE	33
PID 1368 wrote to memory of 2268	1368	Explorer.EXE	33
PID 2268 wrote to memory of 2488	2268	msdt.exe	34
PID 2268 wrote to memory of 2488	2268	msdt.exe	34
PID 2268 wrote to memory of 2488	2268	msdt.exe	34
PID 2268 wrote to memory of 2488	2268	msdt.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\jdzq.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1104
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\jdzq.dll,#1
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2536
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\jdzq.dll,#1
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:1560
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:2268
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2488

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

Loading Replay Monitor...

Downloads

memory/1368-6-0x0000000007370000-0x00000000074A7000-memory.dmp

Filesize
1.2MB

Download
memory/1368-10-0x0000000007370000-0x00000000074A7000-memory.dmp

Filesize
1.2MB

Download
memory/1560-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1560-2-0x0000000002020000-0x0000000002323000-memory.dmp

Filesize
3.0MB

Download
memory/1560-5-0x00000000001D0000-0x00000000001E1000-memory.dmp

Filesize
68KB

Download
memory/1560-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2268-7-0x0000000000E20000-0x0000000000F14000-memory.dmp

Filesize
976KB

Download
memory/2268-8-0x0000000000E20000-0x0000000000F14000-memory.dmp

Filesize
976KB

Download
memory/2268-9-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2536-0-0x0000000010009000-0x000000001000B000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing