xloader | 1e3b17f9813300bb214a12a8be41217770ff025e7e595431e1712b14a55df1ac

General

Target

$PLUGINSDIR/ztqv.dll
Size

32KB
MD5

97d84d39bb68b5a29e976b40d7d0a00c
SHA1

cf4c09487fffb9ace9ab6b82f33da0d5a851ef1c
SHA256

5b29c5ee49d9cdde15d88a9e4f8f6b4bba9e2dc4ec65c02d734726fe0f2952c8
SHA512

aab5b8831538f96c00e77f16349065bfaa93e7b25206a6d5fe0871f518f38ae31437f2f9f93f36f488e1869eaf97dd4697a282d726ce9a292cf4276242733546
SSDEEP

384:0ajTrn6tBFCu8OW5x8Yz7x4qTNe730g3ErkdjrNRKJNPqDuqYASKmIWoIVgQrz/L:0ajfEoVOUN2x3ErIrCNPmuVhIW9zf/L

Score

10^/10

xloader m5cw discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

m5cw

Decoy

stolpfabriken.com

aromaessentialco.com

rmcclaincpa.com

wuruixin.com

sidhyanticlasses.com

horilka.store

organic-outlaws.com

customsoftwarelogistics.com

cheryltesting.com

thecompacthomegym.com

the22yards.club

quickloanprovidersservices.com

grippyent.com

guard-usa.com

agircredit.com

classificationmetallurgie.com

quizzesandcode.com

catdanos.com

8676789.rest

gotbestshavlngplansforyou.com

Signatures

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

Xloader payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral3/memory/2292-1-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2292-4-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2608-10-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

rundll32.exerundll32.exemsdt.exe

description	pid	process	target process
PID 2940 set thread context of 2292	2940	rundll32.exe	rundll32.exe
PID 2292 set thread context of 1192	2292	rundll32.exe	Explorer.EXE
PID 2608 set thread context of 1192	2608	msdt.exe	Explorer.EXE

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

Processes:

rundll32.exerundll32.exemsdt.execmd.exe

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

Processes:

rundll32.exemsdt.exe

pid	process
2292	rundll32.exe
2292	rundll32.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe
2608	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

rundll32.exemsdt.exe

pid process

2292 rundll32.exe
2292 rundll32.exe
2292 rundll32.exe
2608 msdt.exe
2608 msdt.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

rundll32.exemsdt.exe

description pid process

Token: SeDebugPrivilege 2292 rundll32.exe
Token: SeDebugPrivilege 2608 msdt.exe

description	pid	process
Token: SeDebugPrivilege	2292	rundll32.exe
Token: SeDebugPrivilege	2608	msdt.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

rundll32.exerundll32.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 2728 wrote to memory of 2940	2728	rundll32.exe	rundll32.exe
PID 2728 wrote to memory of 2940	2728	rundll32.exe	rundll32.exe
PID 2728 wrote to memory of 2940	2728	rundll32.exe	rundll32.exe
PID 2728 wrote to memory of 2940	2728	rundll32.exe	rundll32.exe
PID 2728 wrote to memory of 2940	2728	rundll32.exe	rundll32.exe
PID 2728 wrote to memory of 2940	2728	rundll32.exe	rundll32.exe
PID 2728 wrote to memory of 2940	2728	rundll32.exe	rundll32.exe
PID 2940 wrote to memory of 2292	2940	rundll32.exe	rundll32.exe
PID 2940 wrote to memory of 2292	2940	rundll32.exe	rundll32.exe
PID 2940 wrote to memory of 2292	2940	rundll32.exe	rundll32.exe
PID 2940 wrote to memory of 2292	2940	rundll32.exe	rundll32.exe
PID 2940 wrote to memory of 2292	2940	rundll32.exe	rundll32.exe
PID 2940 wrote to memory of 2292	2940	rundll32.exe	rundll32.exe
PID 2940 wrote to memory of 2292	2940	rundll32.exe	rundll32.exe
PID 2940 wrote to memory of 2292	2940	rundll32.exe	rundll32.exe
PID 2940 wrote to memory of 2292	2940	rundll32.exe	rundll32.exe
PID 2940 wrote to memory of 2292	2940	rundll32.exe	rundll32.exe
PID 1192 wrote to memory of 2608	1192	Explorer.EXE	msdt.exe
PID 1192 wrote to memory of 2608	1192	Explorer.EXE	msdt.exe
PID 1192 wrote to memory of 2608	1192	Explorer.EXE	msdt.exe
PID 1192 wrote to memory of 2608	1192	Explorer.EXE	msdt.exe
PID 2608 wrote to memory of 2612	2608	msdt.exe	cmd.exe
PID 2608 wrote to memory of 2612	2608	msdt.exe	cmd.exe
PID 2608 wrote to memory of 2612	2608	msdt.exe	cmd.exe
PID 2608 wrote to memory of 2612	2608	msdt.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ztqv.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ztqv.dll,#1
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2940
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ztqv.dll,#1
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2292
- 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:2608
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2612

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

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Downloads

memory/1192-6-0x0000000003B30000-0x0000000003C30000-memory.dmp

Filesize
1024KB

Download
memory/1192-7-0x00000000072E0000-0x000000000743A000-memory.dmp

Filesize
1.4MB

Download
memory/1192-11-0x00000000072E0000-0x000000000743A000-memory.dmp

Filesize
1.4MB

Download
memory/2292-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2292-2-0x0000000002050000-0x0000000002353000-memory.dmp

Filesize
3.0MB

Download
memory/2292-5-0x0000000000290000-0x00000000002A1000-memory.dmp

Filesize
68KB

Download
memory/2292-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2608-8-0x0000000000D10000-0x0000000000E04000-memory.dmp

Filesize
976KB

Download
memory/2608-9-0x0000000000D10000-0x0000000000E04000-memory.dmp

Filesize
976KB

Download
memory/2608-10-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2940-0-0x0000000010008000-0x000000001000A000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads