xloader | 5a478e7020da594158f18e86d189b66105c96fe03cb8362295a154b8689ffe3c

General

Target

Payment.exe
Size

1.0MB
MD5

91706d95a9aafe3c99f742e6d476fd66
SHA1

2b69023fcd198efe36909ae031726a02966c30a8
SHA256

4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080
SHA512

0f85a0ee382f0dfd02da27e52a0e4431da723aa99df88c8d78b92c0bc104c1282dd19841216bbd5b264df6120ec490e090bd5b7fbdb093a6a6fc153db510f23d
SSDEEP

12288:F7Dc9F3nC0Py3gAhPEJbjJEKFWxqG1ICxlLokn9z5ab2NJO92dJBfOjpkUhXRxOT:OY9jlLokn9z5dg2L0GUhHl1OMayg

Score

10^/10

xloader udew discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

udew

Decoy

danieleawilliams.com

miladjalilian.com

hzmila.com

elecreator.com

instrep.com

4tongzhi.com

sltreeserv.com

expressrev.com

dataresearchcenter.com

filmblingalley.com

3buagency.com

hxjh888.com

gotmetwistedcomb.com

vihco.com

scg.solutions

drcvkm.com

frostresorts.com

gintech.co.uk

luxury-holding.com

roupasdobras.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2692-14-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2692-18-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2716-25-0x0000000000080000-0x00000000000A8000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
2296	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 572 set thread context of 2692	572	Payment.exe	29
PID 2692 set thread context of 1244	2692	Payment.exe	20
PID 2716 set thread context of 1244	2716	control.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	Payment.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	control.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
2692	Payment.exe
2692	Payment.exe
2716	control.exe
2716	control.exe
2716	control.exe
2716	control.exe
2716	control.exe
2716	control.exe
2716	control.exe
2716	control.exe
2716	control.exe
2716	control.exe
2716	control.exe
2716	control.exe
2716	control.exe
2716	control.exe
2716	control.exe
2716	control.exe
2716	control.exe
2716	control.exe
2716	control.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2692	Payment.exe
2692	Payment.exe
2692	Payment.exe
2716	control.exe
2716	control.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	Payment.exe
Token: SeDebugPrivilege	2716	control.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 572 wrote to memory of 2692	572	Payment.exe	29
PID 572 wrote to memory of 2692	572	Payment.exe	29
PID 572 wrote to memory of 2692	572	Payment.exe	29
PID 572 wrote to memory of 2692	572	Payment.exe	29
PID 572 wrote to memory of 2692	572	Payment.exe	29
PID 572 wrote to memory of 2692	572	Payment.exe	29
PID 572 wrote to memory of 2692	572	Payment.exe	29
PID 1244 wrote to memory of 2716	1244	Explorer.EXE	30
PID 1244 wrote to memory of 2716	1244	Explorer.EXE	30
PID 1244 wrote to memory of 2716	1244	Explorer.EXE	30
PID 1244 wrote to memory of 2716	1244	Explorer.EXE	30
PID 2716 wrote to memory of 2296	2716	control.exe	31
PID 2716 wrote to memory of 2296	2716	control.exe	31
PID 2716 wrote to memory of 2296	2716	control.exe	31
PID 2716 wrote to memory of 2296	2716	control.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Users\Admin\AppData\Local\Temp\Payment.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:572
- - C:\Users\Admin\AppData\Local\Temp\Payment.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2692
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:2716
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Payment.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2296

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/572-15-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/572-1-0x0000000000E20000-0x0000000000F26000-memory.dmp

Filesize
1.0MB

Download
memory/572-2-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/572-3-0x00000000003E0000-0x00000000003F8000-memory.dmp

Filesize
96KB

Download
memory/572-4-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/572-5-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/572-6-0x00000000056E0000-0x000000000577E000-memory.dmp

Filesize
632KB

Download
memory/572-7-0x0000000000A10000-0x0000000000A3E000-memory.dmp

Filesize
184KB

Download
memory/572-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/1244-26-0x0000000006110000-0x0000000006243000-memory.dmp

Filesize
1.2MB

Download
memory/1244-21-0x0000000006110000-0x0000000006243000-memory.dmp

Filesize
1.2MB

Download
memory/1244-20-0x0000000002CC0000-0x0000000002DC0000-memory.dmp

Filesize
1024KB

Download
memory/2692-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2692-16-0x0000000000900000-0x0000000000C03000-memory.dmp

Filesize
3.0MB

Download
memory/2692-19-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2692-18-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2692-10-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2692-14-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2692-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2716-24-0x0000000000600000-0x000000000061F000-memory.dmp

Filesize
124KB

Download
memory/2716-22-0x0000000000600000-0x000000000061F000-memory.dmp

Filesize
124KB

Download
memory/2716-25-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download

Analysis

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