xloader | 7da29336c4fdb0a6228f89d3518d2c7919124b27e421bf6a532a7455c3dce642

General

Target

$PLUGINSDIR/ekow.dll
Size

18KB
MD5

4255f992dca6609afe2290b6e31d7e7b
SHA1

462ebc74c1078dc04460d4e0403a8adf74d11adb
SHA256

f774b50cdcf20dbf9515d6051776e4d7fb7ca4afd2ddb60028d72510f7575a7f
SHA512

52ab06e60955cd56e0c15fbcb571f0e08ca96038322e87a4938e9701e1f23a1b52b1286f189c92b564cca38e1371ed181c99d2bdee092dabd3341b42304e0006
SSDEEP

384:fB/Tan2ihl3PCCdfx/0LP0641BdnndIxzY3b81t3QKd+D:fRTanRb6Ep8LUB2zY3betgj

Score

10^/10

xloader quc5 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

quc5

Decoy

writerpilotpublishing.com

journeywands.com

madacambo.com

boreslirealestate.com

drillshear.com

urbanmastic.com

focalbunk.com

ghpgroupinc.xyz

rfgmhnvf.com

241mk.com

mandolinzen.com

thenorthstarbets.com

oggperformancehorses.com

webuywholesalerhouses.com

cinreyyy.com

theyoungwedding.com

neuro-ai-web-ru.digital

zavienniky.xyz

kin-school.com

lowratepersonalloans.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/2464-1-0x0000000000400000-0x000000000044A000-memory.dmp	xloader
behavioral3/memory/2464-3-0x0000000000400000-0x000000000044A000-memory.dmp	xloader
behavioral3/memory/2464-5-0x0000000000400000-0x000000000044A000-memory.dmp	xloader
behavioral3/memory/2464-7-0x0000000000310000-0x0000000000339000-memory.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1488 set thread context of 2464	1488	rundll32.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2744	2464	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 1488	2548	rundll32.exe	29
PID 2548 wrote to memory of 1488	2548	rundll32.exe	29
PID 2548 wrote to memory of 1488	2548	rundll32.exe	29
PID 2548 wrote to memory of 1488	2548	rundll32.exe	29
PID 2548 wrote to memory of 1488	2548	rundll32.exe	29
PID 2548 wrote to memory of 1488	2548	rundll32.exe	29
PID 2548 wrote to memory of 1488	2548	rundll32.exe	29
PID 1488 wrote to memory of 2464	1488	rundll32.exe	30
PID 1488 wrote to memory of 2464	1488	rundll32.exe	30
PID 1488 wrote to memory of 2464	1488	rundll32.exe	30
PID 1488 wrote to memory of 2464	1488	rundll32.exe	30
PID 1488 wrote to memory of 2464	1488	rundll32.exe	30
PID 1488 wrote to memory of 2464	1488	rundll32.exe	30
PID 1488 wrote to memory of 2464	1488	rundll32.exe	30
PID 1488 wrote to memory of 2464	1488	rundll32.exe	30
PID 1488 wrote to memory of 2464	1488	rundll32.exe	30
PID 1488 wrote to memory of 2464	1488	rundll32.exe	30
PID 1488 wrote to memory of 2464	1488	rundll32.exe	30
PID 1488 wrote to memory of 2464	1488	rundll32.exe	30
PID 1488 wrote to memory of 2464	1488	rundll32.exe	30
PID 1488 wrote to memory of 2464	1488	rundll32.exe	30
PID 2464 wrote to memory of 2744	2464	rundll32.exe	31
PID 2464 wrote to memory of 2744	2464	rundll32.exe	31
PID 2464 wrote to memory of 2744	2464	rundll32.exe	31
PID 2464 wrote to memory of 2744	2464	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ekow.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ekow.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1488
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ekow.dll,#1
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2464
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 552
      4⤵
      Program crash
      PID:2744

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/1488-0-0x00000000000D0000-0x00000000000D2000-memory.dmp

Filesize
8KB

Download
memory/2464-1-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2464-3-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2464-5-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2464-6-0x0000000073C4E000-0x0000000073C4F000-memory.dmp

Filesize
4KB

Download
memory/2464-7-0x0000000000310000-0x0000000000339000-memory.dmp

Filesize
164KB

Download
memory/2464-8-0x0000000073C40000-0x000000007432E000-memory.dmp

Filesize
6.9MB

Download
memory/2464-9-0x0000000073C40000-0x000000007432E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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