xloader | 34040e82cb289b62c022c3e84bb2c3185150e661225aa9f378fb77279c70bb8e

General

Target

$PLUGINSDIR/tktzsan.dll
Size

20KB
MD5

3d4fc93b0e82d14dc45f93d7c280faa9
SHA1

4e472ee4f91cd88b7fbc66e2d042bd84783dc889
SHA256

4e177339740363323d54016a8b60a135a58d5c1593aa76115acc38e9c7eb10a8
SHA512

1eeac5f1f8e87bab84b1048f25f387cebd74d253501ff54a4352074b907e0759ccaedc476013c65ceac4a5206c13b9db72c6d2b81451d4d694ac0eb5bca33e6d
SSDEEP

384:fON4md7V4mnY1FnF2f/oTOuEjkZX4FkvYxzk7RJQogdGkYJdxzkyzs+5+ka7t3aD:ZmAmniFnF2fASuYkZOkvmzk7RJQogdP

Score

10^/10

xloader r95e discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.4

Campaign

r95e

Decoy

mindyourbusinesscoin.com

melandri.club

13011196.com

bespinpoker.com

ohchainpodklo.xyz

paolacapitanio.com

hnczppjs.com

healthygold-carefit.club

drive16pay.art

5foldmastermind.com

especialistasorteios.online

cjcveterotqze.com

originaldigitalspaces.com

21lawsofconfidence.com

uscryptomininglaws.com

nilist.xyz

bergstromgreenholt.icu

dumbasslures.com

companieus.com

2gtfy0.com

Signatures

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

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral3/memory/2456-1-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2456-4-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2456-8-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2724-14-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2108 set thread context of 2456	2108	rundll32.exe	32
PID 2456 set thread context of 1212	2456	rundll32.exe	21
PID 2456 set thread context of 1212	2456	rundll32.exe	21
PID 2724 set thread context of 1212	2724	wlanext.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	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2456	rundll32.exe
2456	rundll32.exe
2456	rundll32.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe
2724	wlanext.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2108	rundll32.exe
2456	rundll32.exe
2456	rundll32.exe
2456	rundll32.exe
2456	rundll32.exe
2724	wlanext.exe
2724	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2456	rundll32.exe
Token: SeDebugPrivilege	2724	wlanext.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2108	2500	rundll32.exe	31
PID 2500 wrote to memory of 2108	2500	rundll32.exe	31
PID 2500 wrote to memory of 2108	2500	rundll32.exe	31
PID 2500 wrote to memory of 2108	2500	rundll32.exe	31
PID 2500 wrote to memory of 2108	2500	rundll32.exe	31
PID 2500 wrote to memory of 2108	2500	rundll32.exe	31
PID 2500 wrote to memory of 2108	2500	rundll32.exe	31
PID 2108 wrote to memory of 2456	2108	rundll32.exe	32
PID 2108 wrote to memory of 2456	2108	rundll32.exe	32
PID 2108 wrote to memory of 2456	2108	rundll32.exe	32
PID 2108 wrote to memory of 2456	2108	rundll32.exe	32
PID 2108 wrote to memory of 2456	2108	rundll32.exe	32
PID 2108 wrote to memory of 2456	2108	rundll32.exe	32
PID 2108 wrote to memory of 2456	2108	rundll32.exe	32
PID 2108 wrote to memory of 2456	2108	rundll32.exe	32
PID 1212 wrote to memory of 2724	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2724	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2724	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2724	1212	Explorer.EXE	33
PID 2724 wrote to memory of 2412	2724	wlanext.exe	34
PID 2724 wrote to memory of 2412	2724	wlanext.exe	34
PID 2724 wrote to memory of 2412	2724	wlanext.exe	34
PID 2724 wrote to memory of 2412	2724	wlanext.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\tktzsan.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2500
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\tktzsan.dll,#1
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2108
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\tktzsan.dll,#1
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2456
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:2724
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2412

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/1212-6-0x0000000007110000-0x000000000725D000-memory.dmp

Filesize
1.3MB

Download
memory/1212-15-0x00000000073E0000-0x0000000007514000-memory.dmp

Filesize
1.2MB

Download
memory/1212-10-0x0000000007110000-0x000000000725D000-memory.dmp

Filesize
1.3MB

Download
memory/1212-11-0x00000000073E0000-0x0000000007514000-memory.dmp

Filesize
1.2MB

Download
memory/2108-0-0x0000000075285000-0x0000000075287000-memory.dmp

Filesize
8KB

Download
memory/2456-5-0x00000000003B0000-0x00000000003C1000-memory.dmp

Filesize
68KB

Download
memory/2456-8-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2456-9-0x0000000000750000-0x0000000000761000-memory.dmp

Filesize
68KB

Download
memory/2456-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2456-2-0x0000000000B00000-0x0000000000E03000-memory.dmp

Filesize
3.0MB

Download
memory/2456-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2724-13-0x0000000000FF0000-0x0000000001006000-memory.dmp

Filesize
88KB

Download
memory/2724-12-0x0000000000FF0000-0x0000000001006000-memory.dmp

Filesize
88KB

Download
memory/2724-14-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download

Analysis

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