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 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1328-62-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1328-63-0x000000000041F810-mapping.dmp	xloader
behavioral1/memory/1328-69-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/896-73-0x00000000000D0000-0x00000000000FC000-memory.dmp	xloader
behavioral1/memory/896-77-0x00000000000D0000-0x00000000000FC000-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-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation	shipping docs.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1232 cmd.exe

pid	process
1232	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

shipping docs.exeshipping docs.exeraserver.exe

description	pid	process	target process
PID 1412 set thread context of 1328	1412	shipping docs.exe	shipping docs.exe
PID 1328 set thread context of 1284	1328	shipping docs.exe	Explorer.EXE
PID 896 set thread context of 1284	896	raserver.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

shipping docs.exeshipping docs.exeraserver.exe

pid	process
1412	shipping docs.exe
1412	shipping docs.exe
1412	shipping docs.exe
1328	shipping docs.exe
1328	shipping docs.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

shipping docs.exeraserver.exe

pid process

1328 shipping docs.exe
1328 shipping docs.exe
1328 shipping docs.exe
896 raserver.exe
896 raserver.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

shipping docs.exeshipping docs.exeraserver.exe

description pid process

Token: SeDebugPrivilege 1412 shipping docs.exe
Token: SeDebugPrivilege 1328 shipping docs.exe
Token: SeDebugPrivilege 896 raserver.exe

pid	process
1328	shipping docs.exe
1328	shipping docs.exe
1328	shipping docs.exe
896	raserver.exe
896	raserver.exe

description	pid	process
Token: SeDebugPrivilege	1412	shipping docs.exe
Token: SeDebugPrivilege	1328	shipping docs.exe
Token: SeDebugPrivilege	896	raserver.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

shipping docs.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 1412 wrote to memory of 1328	1412	shipping docs.exe	shipping docs.exe
PID 1412 wrote to memory of 1328	1412	shipping docs.exe	shipping docs.exe
PID 1412 wrote to memory of 1328	1412	shipping docs.exe	shipping docs.exe
PID 1412 wrote to memory of 1328	1412	shipping docs.exe	shipping docs.exe
PID 1412 wrote to memory of 1328	1412	shipping docs.exe	shipping docs.exe
PID 1412 wrote to memory of 1328	1412	shipping docs.exe	shipping docs.exe
PID 1412 wrote to memory of 1328	1412	shipping docs.exe	shipping docs.exe
PID 1284 wrote to memory of 896	1284	Explorer.EXE	raserver.exe
PID 1284 wrote to memory of 896	1284	Explorer.EXE	raserver.exe
PID 1284 wrote to memory of 896	1284	Explorer.EXE	raserver.exe
PID 1284 wrote to memory of 896	1284	Explorer.EXE	raserver.exe
PID 896 wrote to memory of 1232	896	raserver.exe	cmd.exe
PID 896 wrote to memory of 1232	896	raserver.exe	cmd.exe
PID 896 wrote to memory of 1232	896	raserver.exe	cmd.exe
PID 896 wrote to memory of 1232	896	raserver.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1284

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:1412

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:1328

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:896

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\shipping docs.exe"
3⤵
- Deletes itself
PID:1232

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/896-77-0x00000000000D0000-0x00000000000FC000-memory.dmp

Filesize
176KB

Download
memory/896-75-0x0000000000920000-0x00000000009B0000-memory.dmp

Filesize
576KB

Download
memory/896-74-0x0000000002090000-0x0000000002393000-memory.dmp

Filesize
3.0MB

Download
memory/896-73-0x00000000000D0000-0x00000000000FC000-memory.dmp

Filesize
176KB

Download
memory/896-72-0x0000000000C70000-0x0000000000C8C000-memory.dmp

Filesize
112KB

Download
memory/896-68-0x0000000000000000-mapping.dmp

Download
memory/1232-71-0x0000000000000000-mapping.dmp

Download
memory/1284-67-0x0000000006B20000-0x0000000006C53000-memory.dmp

Filesize
1.2MB

Download
memory/1284-78-0x0000000004A70000-0x0000000004B7F000-memory.dmp

Filesize
1.1MB

Download
memory/1284-76-0x0000000004A70000-0x0000000004B7F000-memory.dmp

Filesize
1.1MB

Download
memory/1328-59-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1328-66-0x0000000000190000-0x00000000001A1000-memory.dmp

Filesize
68KB

Download
memory/1328-64-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/1328-69-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1328-63-0x000000000041F810-mapping.dmp

Download
memory/1328-62-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1328-60-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1412-54-0x00000000011D0000-0x000000000128A000-memory.dmp

Filesize
744KB

Download
memory/1412-58-0x00000000008D0000-0x0000000000902000-memory.dmp

Filesize
200KB

Download
memory/1412-57-0x00000000050B0000-0x0000000005136000-memory.dmp

Filesize
536KB

Download
memory/1412-56-0x0000000000260000-0x000000000026A000-memory.dmp

Filesize
40KB

Download
memory/1412-55-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads