xloader | 5e74a8deacb5b18b78d3c7f9425210d696ad1b4f43e34b6f61d1f9e89ff0a9f7

General

Target

PO_006614.doc.exe
Size

1.3MB
MD5

07e55585280a090c5be065456bd3eaed
SHA1

142c3b752b1791b6d8eb7b8fb78f36773a51d808
SHA256

428e45ab1e675cd53981edd68a9d7989a78b267e069a8ce64415c5788c012212
SHA512

b9a8cde0da7a47f7242bf26f45a54820520b2469534caff639313a05a837ff16bdea1d206765a622c10cf5dc740c3be5107dd4bc2b6d1bd6f17aba007f90de87
SSDEEP

24576:RIjY+bAaMd3REebAaMd33zBNxFUVpkmkFFogHBa8+Gefg/kz:O5AaMVRE2AaMV3zBCLAFoOBa8+Gefg

Score

10^/10

xloader rbg8 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

rbg8

Decoy

youschrutedit.com

ashvarapps.com

lover4fun.com

xn--hvsa952mrp8a.com

gentryrewards.com

musfly.info

greatexpectationssouthshore.com

thebluecreators.com

chargementale.com

construirsanidade.com

asiannics.icu

cacchaweb.xyz

retailfully.com

mktdigitalplus.com

ohiohemorrhoidcenter.com

tzbwgc.com

representmasks.com

integratedpsychedelics.net

okrvsale.com

cashflowplatformblueprint.com

Signatures

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

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/3376-13-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3376-18-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3376-22-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2084-30-0x0000000001000000-0x0000000001029000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1680 set thread context of 3376	1680	PO_006614.doc.exe	91
PID 3376 set thread context of 3428	3376	PO_006614.doc.exe	56
PID 3376 set thread context of 3428	3376	PO_006614.doc.exe	56
PID 2084 set thread context of 3428	2084	netsh.exe	56

System Location Discovery: System Language Discovery 1 TTPs 4 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO_006614.doc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO_006614.doc.exe

Suspicious behavior: EnumeratesProcesses 40 IoCs

pid	Process
3376	PO_006614.doc.exe
3376	PO_006614.doc.exe
3376	PO_006614.doc.exe
3376	PO_006614.doc.exe
3376	PO_006614.doc.exe
3376	PO_006614.doc.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe
2084	netsh.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3376	PO_006614.doc.exe
3376	PO_006614.doc.exe
3376	PO_006614.doc.exe
3376	PO_006614.doc.exe
2084	netsh.exe
2084	netsh.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3376	PO_006614.doc.exe
Token: SeDebugPrivilege	2084	netsh.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 3376	1680	PO_006614.doc.exe	91
PID 1680 wrote to memory of 3376	1680	PO_006614.doc.exe	91
PID 1680 wrote to memory of 3376	1680	PO_006614.doc.exe	91
PID 1680 wrote to memory of 3376	1680	PO_006614.doc.exe	91
PID 1680 wrote to memory of 3376	1680	PO_006614.doc.exe	91
PID 1680 wrote to memory of 3376	1680	PO_006614.doc.exe	91
PID 3376 wrote to memory of 2084	3376	PO_006614.doc.exe	92
PID 3376 wrote to memory of 2084	3376	PO_006614.doc.exe	92
PID 3376 wrote to memory of 2084	3376	PO_006614.doc.exe	92
PID 2084 wrote to memory of 1640	2084	netsh.exe	93
PID 2084 wrote to memory of 1640	2084	netsh.exe	93
PID 2084 wrote to memory of 1640	2084	netsh.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3428
- C:\Users\Admin\AppData\Local\Temp\PO_006614.doc.exe
  "C:\Users\Admin\AppData\Local\Temp\PO_006614.doc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1680
- - C:\Users\Admin\AppData\Local\Temp\PO_006614.doc.exe
    "C:\Users\Admin\AppData\Local\Temp\PO_006614.doc.exe"
    3⤵
    - 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:3376
  - - C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\SysWOW64\netsh.exe"
      4⤵
      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:2084
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\PO_006614.doc.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1640

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/1680-15-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/1680-2-0x0000000005690000-0x000000000572C000-memory.dmp

Filesize
624KB

Download
memory/1680-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/1680-3-0x0000000005CE0000-0x0000000006284000-memory.dmp

Filesize
5.6MB

Download
memory/1680-4-0x00000000057D0000-0x0000000005862000-memory.dmp

Filesize
584KB

Download
memory/1680-5-0x0000000005770000-0x000000000577A000-memory.dmp

Filesize
40KB

Download
memory/1680-6-0x00000000059D0000-0x0000000005A26000-memory.dmp

Filesize
344KB

Download
memory/1680-7-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/1680-8-0x00000000059C0000-0x00000000059D6000-memory.dmp

Filesize
88KB

Download
memory/1680-9-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/1680-10-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/1680-11-0x0000000006800000-0x0000000006880000-memory.dmp

Filesize
512KB

Download
memory/1680-12-0x0000000008DA0000-0x0000000008DE2000-memory.dmp

Filesize
264KB

Download
memory/1680-1-0x0000000000B80000-0x0000000000CDE000-memory.dmp

Filesize
1.4MB

Download
memory/2084-28-0x00000000008C0000-0x00000000008DE000-memory.dmp

Filesize
120KB

Download
memory/2084-30-0x0000000001000000-0x0000000001029000-memory.dmp

Filesize
164KB

Download
memory/2084-26-0x00000000008C0000-0x00000000008DE000-memory.dmp

Filesize
120KB

Download
memory/3376-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3376-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3376-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3376-23-0x0000000003410000-0x0000000003420000-memory.dmp

Filesize
64KB

Download
memory/3376-19-0x00000000015C0000-0x00000000015D0000-memory.dmp

Filesize
64KB

Download
memory/3376-16-0x00000000016F0000-0x0000000001A3A000-memory.dmp

Filesize
3.3MB

Download
memory/3428-36-0x0000000002C30000-0x0000000002CDA000-memory.dmp

Filesize
680KB

Download
memory/3428-25-0x0000000002B60000-0x0000000002C2A000-memory.dmp

Filesize
808KB

Download
memory/3428-20-0x0000000002B60000-0x0000000002C2A000-memory.dmp

Filesize
808KB

Download
memory/3428-29-0x0000000008850000-0x0000000008964000-memory.dmp

Filesize
1.1MB

Download
memory/3428-24-0x0000000008850000-0x0000000008964000-memory.dmp

Filesize
1.1MB

Download
memory/3428-33-0x0000000002C30000-0x0000000002CDA000-memory.dmp

Filesize
680KB

Download
memory/3428-34-0x0000000002C30000-0x0000000002CDA000-memory.dmp

Filesize
680KB

Download

Analysis

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