xloader | 1752302de3862bd15be2d539255fed5e71a4180cd987b206542ef8d5f5c6af13

General

Target

shipping docs.exe
Size

722KB
MD5

ec529b525e7897c81b9fd1e2291cf885
SHA1

867d80609c6fe0cafe8326c5572c243e24da1f42
SHA256

1752302de3862bd15be2d539255fed5e71a4180cd987b206542ef8d5f5c6af13
SHA512

6080162b81e69209f6866c7e3e5abfb52a719c0ef55f523e637af26646daf91c01f6e150790e8a12f87db5a76a39aed7fa92510c2149c7f4ca6e88e0bd11003c

Score

10^/10

xloader gfv7 loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.9

Campaign

gfv7

Decoy

hd4AZDZ3XeSkZ9w0NRn2+JU=

6iAxmGKdumxFEgwp

jM6QcxNUSeCKaUdvvh3g9mffhosQ

d4CC0LS0DjTJS8FdXqd3soM=

S1LPlXEIJY52Og==

doeO7AimsF0NEvFgnIV5

W2TlzH/byHtUU3B7tw==

Y2RAbyZjex2qj6GQv4Q=

ftoOsCpZdfmALQ==

4kqL8v/6rDj8Ohs/wAjkb0gD5Gfiww==

8mVs/AkvwLnIWp4=

yfqAazgHioT8b9yHSKpLDtgY

EyWD5F+Wu3L0xq/VJXgdlnFvBDdUz5WM

jn9ty+pdRNdtcDhJ5k8nwZofm4EJ

s9XVNv4/aRDBUx4w

+vHFE7Fw1rnIWp4=

wC395Yvi6G/3yoWRGW1USxzshi3Dyw==

jcbufIN91gHAUK1RYUMYIdyqpDlUz5WM

iIyoIvZNXwPNmBlBxGk6+A==

C/hTD8h/KWLiMW4Mt/joXyz23Q==

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4648-137-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/4648-143-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/1348-146-0x0000000000BE0000-0x0000000000C0C000-memory.dmp	xloader
behavioral2/memory/1348-150-0x0000000000BE0000-0x0000000000C0C000-memory.dmp	xloader

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

shipping docs.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	shipping docs.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

shipping docs.exeshipping docs.exemstsc.exe

description	pid	process	target process
PID 4948 set thread context of 4648	4948	shipping docs.exe	shipping docs.exe
PID 4648 set thread context of 3148	4648	shipping docs.exe	Explorer.EXE
PID 1348 set thread context of 3148	1348	mstsc.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

mstsc.exe

description ioc process

File opened for modification C:\Program Files (x86)\Ahdlhdfy\sfvozfx7bmx.exe mstsc.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ahdlhdfy\sfvozfx7bmx.exe	mstsc.exe

Modifies registry class 3 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

shipping docs.exeshipping docs.exemstsc.exe

pid	process
4948	shipping docs.exe
4948	shipping docs.exe
4948	shipping docs.exe
4948	shipping docs.exe
4648	shipping docs.exe
4648	shipping docs.exe
4648	shipping docs.exe
4648	shipping docs.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe
1348	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3148 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

shipping docs.exemstsc.exe

pid process

4648 shipping docs.exe
4648 shipping docs.exe
4648 shipping docs.exe
1348 mstsc.exe
1348 mstsc.exe

pid	process
3148	Explorer.EXE

pid	process
4648	shipping docs.exe
4648	shipping docs.exe
4648	shipping docs.exe
1348	mstsc.exe
1348	mstsc.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

Processes:

shipping docs.exeshipping docs.exemstsc.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4948	shipping docs.exe
Token: SeDebugPrivilege	4648	shipping docs.exe
Token: SeDebugPrivilege	1348	mstsc.exe
Token: SeShutdownPrivilege	3148	Explorer.EXE
Token: SeCreatePagefilePrivilege	3148	Explorer.EXE
Token: SeShutdownPrivilege	3148	Explorer.EXE
Token: SeCreatePagefilePrivilege	3148	Explorer.EXE
Token: SeShutdownPrivilege	3148	Explorer.EXE
Token: SeCreatePagefilePrivilege	3148	Explorer.EXE
Token: SeShutdownPrivilege	3148	Explorer.EXE
Token: SeCreatePagefilePrivilege	3148	Explorer.EXE
Token: SeShutdownPrivilege	3148	Explorer.EXE
Token: SeCreatePagefilePrivilege	3148	Explorer.EXE
Token: SeShutdownPrivilege	3148	Explorer.EXE
Token: SeCreatePagefilePrivilege	3148	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

3148 Explorer.EXE
3148 Explorer.EXE
3148 Explorer.EXE
3148 Explorer.EXE

pid	process
3148	Explorer.EXE
3148	Explorer.EXE
3148	Explorer.EXE
3148	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

shipping docs.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 4948 wrote to memory of 4648	4948	shipping docs.exe	shipping docs.exe
PID 4948 wrote to memory of 4648	4948	shipping docs.exe	shipping docs.exe
PID 4948 wrote to memory of 4648	4948	shipping docs.exe	shipping docs.exe
PID 4948 wrote to memory of 4648	4948	shipping docs.exe	shipping docs.exe
PID 4948 wrote to memory of 4648	4948	shipping docs.exe	shipping docs.exe
PID 4948 wrote to memory of 4648	4948	shipping docs.exe	shipping docs.exe
PID 3148 wrote to memory of 1348	3148	Explorer.EXE	mstsc.exe
PID 3148 wrote to memory of 1348	3148	Explorer.EXE	mstsc.exe
PID 3148 wrote to memory of 1348	3148	Explorer.EXE	mstsc.exe
PID 1348 wrote to memory of 2156	1348	mstsc.exe	cmd.exe
PID 1348 wrote to memory of 2156	1348	mstsc.exe	cmd.exe
PID 1348 wrote to memory of 2156	1348	mstsc.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3148

C:\Users\Admin\AppData\Local\Temp\shipping docs.exe
"C:\Users\Admin\AppData\Local\Temp\shipping docs.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4948

C:\Users\Admin\AppData\Local\Temp\shipping docs.exe
"{path}"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4648

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1348

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\shipping docs.exe"
3⤵
PID:2156

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1348-142-0x0000000000000000-mapping.dmp

Download
memory/1348-150-0x0000000000BE0000-0x0000000000C0C000-memory.dmp

Filesize
176KB

Download
memory/1348-148-0x0000000003180000-0x0000000003210000-memory.dmp

Filesize
576KB

Download
memory/1348-147-0x0000000002E30000-0x000000000317A000-memory.dmp

Filesize
3.3MB

Download
memory/1348-146-0x0000000000BE0000-0x0000000000C0C000-memory.dmp

Filesize
176KB

Download
memory/1348-145-0x0000000000D10000-0x0000000000E4A000-memory.dmp

Filesize
1.2MB

Download
memory/2156-144-0x0000000000000000-mapping.dmp

Download
memory/3148-141-0x0000000002720000-0x0000000002829000-memory.dmp

Filesize
1.0MB

Download
memory/3148-149-0x0000000002B70000-0x0000000002C77000-memory.dmp

Filesize
1.0MB

Download
memory/3148-151-0x0000000002B70000-0x0000000002C77000-memory.dmp

Filesize
1.0MB

Download
memory/4648-140-0x0000000001870000-0x0000000001881000-memory.dmp

Filesize
68KB

Download
memory/4648-137-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4648-143-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4648-136-0x0000000000000000-mapping.dmp

Download
memory/4648-138-0x00000000019B0000-0x0000000001CFA000-memory.dmp

Filesize
3.3MB

Download
memory/4948-135-0x0000000006030000-0x0000000006086000-memory.dmp

Filesize
344KB

Download
memory/4948-133-0x0000000005EA0000-0x0000000005F32000-memory.dmp

Filesize
584KB

Download
memory/4948-132-0x00000000063B0000-0x0000000006954000-memory.dmp

Filesize
5.6MB

Download
memory/4948-134-0x0000000005D30000-0x0000000005D3A000-memory.dmp

Filesize
40KB

Download
memory/4948-131-0x0000000005D60000-0x0000000005DFC000-memory.dmp

Filesize
624KB

Download
memory/4948-130-0x0000000000F50000-0x000000000100A000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads