xloader | 1a2b69e124bf6f1e5abe064752e77297722b9893307710e63c442fadc9a5e08f

General

Target

New purchase Order.exe
Size

889KB
MD5

69f2093d0e8722210b96012212776ece
SHA1

910fc996781777fe1fce27b115914e6f82097391
SHA256

65d63079af57f5ae33cb341bc94f3882d2516efc82a0373775c564759aeb862e
SHA512

a05aa45f224b03a849bc488677fd79b8b251880c154bb9c0f9ab58de5deccf785b121f8f35ddd175329de09ac1d1e4add884203c71e6c4f62b470a075f578d47
SSDEEP

12288:E8YiwqWQPm3aCdyDo1G4EeyNvQDTMiAZeZgAFYSiS/FUY22P2BHX/cM7gJELRpet:E1iwqWQadyEs4jivSAi04gAFYk

Score

10^/10

xloader a8hq discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

a8hq

Decoy

veteransductcleaning.com

beajtjunkies.com

houseofascofi.com

scottsdalemediator.com

atelyadesign.com

profitcase.pro

imtokenio.club

qinglingpai.com

bigsmile-meal.net

daytonlivestream.com

aspiradores10.online

ytybs120.com

hdatelier.com

bearpierce.com

yeson28ca.com

booklearner.com

m8j9.club

mmophamthinhlegend.space

hq4a7o6zb.com

sophiadaki.online

Signatures

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

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2708-12-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/2708-16-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/2708-20-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/2608-27-0x0000000000090000-0x00000000000BB000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
3056	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2536 set thread context of 2708	2536	New purchase Order.exe	30
PID 2708 set thread context of 1256	2708	New purchase Order.exe	21
PID 2708 set thread context of 1256	2708	New purchase Order.exe	21
PID 2608 set thread context of 1256	2608	cmstp.exe	21

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	New purchase Order.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2708	New purchase Order.exe
2708	New purchase Order.exe
2708	New purchase Order.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe
2608	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2708	New purchase Order.exe
2708	New purchase Order.exe
2708	New purchase Order.exe
2708	New purchase Order.exe
2608	cmstp.exe
2608	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	New purchase Order.exe
Token: SeDebugPrivilege	2608	cmstp.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2708	2536	New purchase Order.exe	30
PID 2536 wrote to memory of 2708	2536	New purchase Order.exe	30
PID 2536 wrote to memory of 2708	2536	New purchase Order.exe	30
PID 2536 wrote to memory of 2708	2536	New purchase Order.exe	30
PID 2536 wrote to memory of 2708	2536	New purchase Order.exe	30
PID 2536 wrote to memory of 2708	2536	New purchase Order.exe	30
PID 2536 wrote to memory of 2708	2536	New purchase Order.exe	30
PID 1256 wrote to memory of 2608	1256	Explorer.EXE	33
PID 1256 wrote to memory of 2608	1256	Explorer.EXE	33
PID 1256 wrote to memory of 2608	1256	Explorer.EXE	33
PID 1256 wrote to memory of 2608	1256	Explorer.EXE	33
PID 1256 wrote to memory of 2608	1256	Explorer.EXE	33
PID 1256 wrote to memory of 2608	1256	Explorer.EXE	33
PID 1256 wrote to memory of 2608	1256	Explorer.EXE	33
PID 2608 wrote to memory of 3056	2608	cmstp.exe	34
PID 2608 wrote to memory of 3056	2608	cmstp.exe	34
PID 2608 wrote to memory of 3056	2608	cmstp.exe	34
PID 2608 wrote to memory of 3056	2608	cmstp.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Users\Admin\AppData\Local\Temp\New purchase Order.exe
  "C:\Users\Admin\AppData\Local\Temp\New purchase Order.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Users\Admin\AppData\Local\Temp\New purchase Order.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2708
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2592
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2588
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:\Users\Admin\AppData\Local\Temp\New purchase Order.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:3056

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/1256-18-0x0000000006D30000-0x0000000006E78000-memory.dmp

Filesize
1.3MB

Download
memory/1256-28-0x0000000006E80000-0x0000000006FD7000-memory.dmp

Filesize
1.3MB

Download
memory/1256-23-0x0000000006D30000-0x0000000006E78000-memory.dmp

Filesize
1.3MB

Download
memory/1256-22-0x0000000006E80000-0x0000000006FD7000-memory.dmp

Filesize
1.3MB

Download
memory/2536-13-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/2536-4-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

Filesize
4KB

Download
memory/2536-6-0x00000000050E0000-0x0000000005164000-memory.dmp

Filesize
528KB

Download
memory/2536-7-0x0000000000420000-0x0000000000452000-memory.dmp

Filesize
200KB

Download
memory/2536-1-0x0000000001340000-0x0000000001424000-memory.dmp

Filesize
912KB

Download
memory/2536-5-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/2536-0-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

Filesize
4KB

Download
memory/2536-2-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/2536-3-0x0000000000320000-0x000000000032A000-memory.dmp

Filesize
40KB

Download
memory/2608-27-0x0000000000090000-0x00000000000BB000-memory.dmp

Filesize
172KB

Download
memory/2608-26-0x0000000000B00000-0x0000000000B18000-memory.dmp

Filesize
96KB

Download
memory/2608-24-0x0000000000B00000-0x0000000000B18000-memory.dmp

Filesize
96KB

Download
memory/2708-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-21-0x00000000002D0000-0x00000000002E1000-memory.dmp

Filesize
68KB

Download
memory/2708-20-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2708-17-0x0000000000110000-0x0000000000121000-memory.dmp

Filesize
68KB

Download
memory/2708-16-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2708-14-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/2708-12-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2708-9-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2708-8-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download

Analysis

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