xloader | 9b70fcd07ba7d3dcef17f3b28cf75e304840a67e8611dc149744215f8483066d

General

Target

P.O.exe
Size

207KB
MD5

eb71efe60cabc2d6aa9a49a82a4ded77
SHA1

c188402835e985adac142eee6e0b31fd4c0c0ae6
SHA256

9b70fcd07ba7d3dcef17f3b28cf75e304840a67e8611dc149744215f8483066d
SHA512

3654b1ff3b57ca883b6fc6d086a8c90654f3e59f2efbe7341677ac85216bc8c1d2bc448940081eb9852f10f43a51d71f4eeef05445e046b9726108f792bdc1c2

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.onyxcomputing.com/u8nw/

Decoy

constructionjadams.com

organicwellnessfarm.com

beautiful.tours

medvows.com

foxparanormal.com

fsmxmc.com

graniterealestategroup.net

qgi1.com

astrologicsolutions.com

rafbar.com

bastiontools.net

emotist.com

stacyleets.com

bloodtypealpha.com

healtybenenfitsplus.com

vavadadoa3.com

chefbenhk.com

dotgz.com

xn--z4qm188e645c.com

ethyi.com

Signatures

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

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1900-63-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1604-72-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1676 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

P.O.exe

pid process

1420 P.O.exe

pid	process
1676	cmd.exe

pid	process
1420	P.O.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

P.O.exeP.O.execmd.exe

description	pid	process	target process
PID 1420 set thread context of 1900	1420	P.O.exe	P.O.exe
PID 1900 set thread context of 1288	1900	P.O.exe	Explorer.EXE
PID 1900 set thread context of 1288	1900	P.O.exe	Explorer.EXE
PID 1604 set thread context of 1288	1604	cmd.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

P.O.execmd.exe

pid	process
1900	P.O.exe
1900	P.O.exe
1900	P.O.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe
1604	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1288 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

P.O.exeP.O.execmd.exe

pid process

1420 P.O.exe
1900 P.O.exe
1900 P.O.exe
1900 P.O.exe
1900 P.O.exe
1604 cmd.exe
1604 cmd.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

P.O.execmd.exe

description pid process

Token: SeDebugPrivilege 1900 P.O.exe
Token: SeDebugPrivilege 1604 cmd.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1288 Explorer.EXE
1288 Explorer.EXE
1288 Explorer.EXE
1288 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1288 Explorer.EXE
1288 Explorer.EXE
1288 Explorer.EXE
1288 Explorer.EXE

pid	process
1288	Explorer.EXE

pid	process
1420	P.O.exe
1900	P.O.exe
1900	P.O.exe
1900	P.O.exe
1900	P.O.exe
1604	cmd.exe
1604	cmd.exe

description	pid	process
Token: SeDebugPrivilege	1900	P.O.exe
Token: SeDebugPrivilege	1604	cmd.exe

pid	process
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE

pid	process
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

P.O.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 1420 wrote to memory of 1900	1420	P.O.exe	P.O.exe
PID 1420 wrote to memory of 1900	1420	P.O.exe	P.O.exe
PID 1420 wrote to memory of 1900	1420	P.O.exe	P.O.exe
PID 1420 wrote to memory of 1900	1420	P.O.exe	P.O.exe
PID 1420 wrote to memory of 1900	1420	P.O.exe	P.O.exe
PID 1288 wrote to memory of 1604	1288	Explorer.EXE	cmd.exe
PID 1288 wrote to memory of 1604	1288	Explorer.EXE	cmd.exe
PID 1288 wrote to memory of 1604	1288	Explorer.EXE	cmd.exe
PID 1288 wrote to memory of 1604	1288	Explorer.EXE	cmd.exe
PID 1604 wrote to memory of 1676	1604	cmd.exe	cmd.exe
PID 1604 wrote to memory of 1676	1604	cmd.exe	cmd.exe
PID 1604 wrote to memory of 1676	1604	cmd.exe	cmd.exe
PID 1604 wrote to memory of 1676	1604	cmd.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Users\Admin\AppData\Local\Temp\P.O.exe
  "C:\Users\Admin\AppData\Local\Temp\P.O.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1420
- - C:\Users\Admin\AppData\Local\Temp\P.O.exe
    "C:\Users\Admin\AppData\Local\Temp\P.O.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1900
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:912
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1604
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\P.O.exe"
    3⤵
    - Deletes itself
    PID:1676

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsc58E.tmp\b0xkyuw645iggtc.dll

MD5
2919e2af8bb7f84e49c7b8a2eeea5ce2

SHA1
6c039175895e89dbcebd2c6137704e10f7257fd4

SHA256
615a7c9635e83ef8fe9040d0f37b9f96fa28fbb9333cfd52a1ee3d74ef195904

SHA512
122c9afb6826b67501cf5cefa13bbb7a9a50fea3011662a767655ce545d3a3d999593c490dbf1ce9b632e759b2576a587c9ab48f1a2da5c3d410f92b05631650

Download Submit
memory/1288-75-0x0000000004BF0000-0x0000000004CB8000-memory.dmp

Filesize
800KB

Download
memory/1288-66-0x0000000006B10000-0x0000000006C3C000-memory.dmp

Filesize
1.2MB

Download
memory/1288-68-0x0000000005080000-0x000000000515E000-memory.dmp

Filesize
888KB

Download
memory/1420-62-0x0000000002320000-0x0000000002F6A000-memory.dmp

Filesize
12.3MB

Download
memory/1420-59-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

Filesize
8KB

Download
memory/1604-72-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1604-74-0x0000000001D60000-0x0000000001DEF000-memory.dmp

Filesize
572KB

Download
memory/1604-71-0x000000004A420000-0x000000004A46C000-memory.dmp

Filesize
304KB

Download
memory/1604-73-0x0000000001EF0000-0x00000000021F3000-memory.dmp

Filesize
3.0MB

Download
memory/1604-69-0x0000000000000000-mapping.dmp

Download
memory/1676-70-0x0000000000000000-mapping.dmp

Download
memory/1900-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1900-67-0x0000000000360000-0x0000000000370000-memory.dmp

Filesize
64KB

Download
memory/1900-65-0x0000000000230000-0x0000000000240000-memory.dmp

Filesize
64KB

Download
memory/1900-64-0x0000000000740000-0x0000000000A43000-memory.dmp

Filesize
3.0MB

Download
memory/1900-61-0x000000000041D0C0-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads