xloader | 07bfab28b65a059dcb96c7ee7b0d3d66ab533049c7a537ce902665720bb47249

General

Target

92ec0fdda57232d435885971959cc65ede66e19f7ea7673798e97344008369fd.exe
Size

216KB
MD5

d3e4488ee4f30b87b4ff5aa8d517f526
SHA1

1113830356c3c941f5e7cbbb6e546b2d1401ced0
SHA256

92ec0fdda57232d435885971959cc65ede66e19f7ea7673798e97344008369fd
SHA512

d6a06dab2949b18b928d91ff226c86bc4b2a2963f595a2db4a00c02fce71a46e8e98bdfc4e1d4d7b2f77e2526eef320f25d786bc2f699f1f732992634e25d100
SSDEEP

6144:gsu5HeyqxoIzX9ZP9GlA4DgIuuZyQXTxWXrI:25QiIztvGUIzyQmI

Score

10^/10

xloader pb93 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

pb93

Decoy

covidlawyersnj.com

zhgxzdh.com

mydomainaccounts.com

uniq.plus

snehapoorvam.com

anj-tradingltd.com

orderinglogin.com

1660688.com

cazconstructionservices.com

yildizwestern.com

futchampionz.com

starbritesmiles.com

viralxch.com

bandmanwiththeheadband.com

teachertechia.net

provenfitness.club

regentpublicity.net

meghaminz.com

mysuperdrink.com

redtomatoes.club

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/2660-13-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2660-16-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2660-20-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2648-26-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader

Loads dropped DLL 2 IoCs

pid	Process
3012	92ec0fdda57232d435885971959cc65ede66e19f7ea7673798e97344008369fd.exe
3012	92ec0fdda57232d435885971959cc65ede66e19f7ea7673798e97344008369fd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 2660	3012	92ec0fdda57232d435885971959cc65ede66e19f7ea7673798e97344008369fd.exe	30
PID 2660 set thread context of 1212	2660	MSBuild.exe	21
PID 2660 set thread context of 1212	2660	MSBuild.exe	21
PID 2648 set thread context of 1212	2648	ipconfig.exe	21

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

System Information Discovery
T1082

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	92ec0fdda57232d435885971959cc65ede66e19f7ea7673798e97344008369fd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2648	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2660	MSBuild.exe
2660	MSBuild.exe
2660	MSBuild.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe
2648	ipconfig.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3012	92ec0fdda57232d435885971959cc65ede66e19f7ea7673798e97344008369fd.exe
2660	MSBuild.exe
2660	MSBuild.exe
2660	MSBuild.exe
2660	MSBuild.exe
2648	ipconfig.exe
2648	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2660	MSBuild.exe
Token: SeDebugPrivilege	2648	ipconfig.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2660	3012	92ec0fdda57232d435885971959cc65ede66e19f7ea7673798e97344008369fd.exe	30
PID 3012 wrote to memory of 2660	3012	92ec0fdda57232d435885971959cc65ede66e19f7ea7673798e97344008369fd.exe	30
PID 3012 wrote to memory of 2660	3012	92ec0fdda57232d435885971959cc65ede66e19f7ea7673798e97344008369fd.exe	30
PID 3012 wrote to memory of 2660	3012	92ec0fdda57232d435885971959cc65ede66e19f7ea7673798e97344008369fd.exe	30
PID 3012 wrote to memory of 2660	3012	92ec0fdda57232d435885971959cc65ede66e19f7ea7673798e97344008369fd.exe	30
PID 2660 wrote to memory of 2648	2660	MSBuild.exe	31
PID 2660 wrote to memory of 2648	2660	MSBuild.exe	31
PID 2660 wrote to memory of 2648	2660	MSBuild.exe	31
PID 2660 wrote to memory of 2648	2660	MSBuild.exe	31
PID 2648 wrote to memory of 2708	2648	ipconfig.exe	32
PID 2648 wrote to memory of 2708	2648	ipconfig.exe	32
PID 2648 wrote to memory of 2708	2648	ipconfig.exe	32
PID 2648 wrote to memory of 2708	2648	ipconfig.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\92ec0fdda57232d435885971959cc65ede66e19f7ea7673798e97344008369fd.exe
  "C:\Users\Admin\AppData\Local\Temp\92ec0fdda57232d435885971959cc65ede66e19f7ea7673798e97344008369fd.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
    "C:\Users\Admin\AppData\Local\Temp\92ec0fdda57232d435885971959cc65ede66e19f7ea7673798e97344008369fd.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:2660
  - - C:\Windows\SysWOW64\ipconfig.exe
      "C:\Windows\SysWOW64\ipconfig.exe"
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Gathers network information
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2648
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

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

\Users\Admin\AppData\Local\Temp\nsyFBCE.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
memory/1212-22-0x0000000006720000-0x00000000068A0000-memory.dmp

Filesize
1.5MB

Download
memory/1212-27-0x0000000006720000-0x00000000068A0000-memory.dmp

Filesize
1.5MB

Download
memory/1212-18-0x00000000050B0000-0x000000000524D000-memory.dmp

Filesize
1.6MB

Download
memory/1212-23-0x00000000050B0000-0x000000000524D000-memory.dmp

Filesize
1.6MB

Download
memory/2648-26-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/2648-25-0x00000000001F0000-0x00000000001FA000-memory.dmp

Filesize
40KB

Download
memory/2648-24-0x00000000001F0000-0x00000000001FA000-memory.dmp

Filesize
40KB

Download
memory/2660-15-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/2660-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2660-21-0x00000000003F0000-0x0000000000400000-memory.dmp

Filesize
64KB

Download
memory/2660-16-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2660-17-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2660-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3012-12-0x00000000003C0000-0x00000000003C2000-memory.dmp

Filesize
8KB

Download

Analysis

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