xloader | 8eb265c22ebf853f8c0bcad65f2e5eaaef5db267e164981f5508bcfa37bb1530

General

Target

Invoice#00086770.exe
Size

681KB
MD5

9959299149ec0cc5d9c380a308f69f31
SHA1

2b98e45b2dd60c8e3f154e80f10b2bcc07bfca90
SHA256

b9e50b873e6ca85c0ebcd953a403425a5c7da2e57ffe47723e21cccf8cebde06
SHA512

60fd97abd4fa62686266cecb9832ba50118671dce411dfcda9dc7b6db516eb0405a0783739fe1e9e920feb90e51f73b0bd6a9cc9decb75288edab0923b87ada1
SSDEEP

12288:w5cYv2tasGHW/NqrFnHqgpztNwN/wgHQHewItAVjmRg2W9fvEwsJ:wvutasoWFEHjzIwoQ+w9Ycf9sJ

Score

10^/10

xloader d8ak discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

d8ak

Decoy

bossmatter.com

intanmandirilestari.com

goldsgymclermont.com

nythraa.com

xbfcyy.com

precitaparktownhome.com

medicalmarijuanamississippi.net

mademoisellepierre.com

duantui.run

freebay.info

gabimslogistics.com

planethomrlending.com

thesockboutique.net

freiundgeist.com

nouvellechina.com

hkamlcc.com

heti-lainaa.com

forehead-effort.com

productsim.com

dualexpressions.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2816-13-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2816-17-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2644-22-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
2388	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2068 set thread context of 2816	2068	Invoice#00086770.exe	30
PID 2816 set thread context of 1188	2816	Invoice#00086770.exe	21
PID 2644 set thread context of 1188	2644	NETSTAT.EXE	21

System Location Discovery: System Language Discovery 1 TTPs 3 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	Invoice#00086770.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2644	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2816	Invoice#00086770.exe
2816	Invoice#00086770.exe
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE
2644	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2816	Invoice#00086770.exe
2816	Invoice#00086770.exe
2816	Invoice#00086770.exe
2644	NETSTAT.EXE
2644	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	Invoice#00086770.exe
Token: SeDebugPrivilege	2644	NETSTAT.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2816	2068	Invoice#00086770.exe	30
PID 2068 wrote to memory of 2816	2068	Invoice#00086770.exe	30
PID 2068 wrote to memory of 2816	2068	Invoice#00086770.exe	30
PID 2068 wrote to memory of 2816	2068	Invoice#00086770.exe	30
PID 2068 wrote to memory of 2816	2068	Invoice#00086770.exe	30
PID 2068 wrote to memory of 2816	2068	Invoice#00086770.exe	30
PID 2068 wrote to memory of 2816	2068	Invoice#00086770.exe	30
PID 1188 wrote to memory of 2644	1188	Explorer.EXE	31
PID 1188 wrote to memory of 2644	1188	Explorer.EXE	31
PID 1188 wrote to memory of 2644	1188	Explorer.EXE	31
PID 1188 wrote to memory of 2644	1188	Explorer.EXE	31
PID 2644 wrote to memory of 2388	2644	NETSTAT.EXE	32
PID 2644 wrote to memory of 2388	2644	NETSTAT.EXE	32
PID 2644 wrote to memory of 2388	2644	NETSTAT.EXE	32
PID 2644 wrote to memory of 2388	2644	NETSTAT.EXE	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\Invoice#00086770.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice#00086770.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2068
- - C:\Users\Admin\AppData\Local\Temp\Invoice#00086770.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2816
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - 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:2644
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Invoice#00086770.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2388

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

1

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

memory/1188-19-0x0000000005020000-0x000000000513A000-memory.dmp

Filesize
1.1MB

Download
memory/1188-23-0x0000000005020000-0x000000000513A000-memory.dmp

Filesize
1.1MB

Download
memory/2068-5-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2068-2-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2068-4-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/2068-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/2068-6-0x00000000052B0000-0x000000000533A000-memory.dmp

Filesize
552KB

Download
memory/2068-1-0x0000000000220000-0x00000000002D0000-memory.dmp

Filesize
704KB

Download
memory/2068-3-0x00000000003E0000-0x00000000003E8000-memory.dmp

Filesize
32KB

Download
memory/2068-14-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-20-0x0000000000460000-0x0000000000469000-memory.dmp

Filesize
36KB

Download
memory/2644-21-0x0000000000460000-0x0000000000469000-memory.dmp

Filesize
36KB

Download
memory/2644-22-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2816-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2816-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-15-0x0000000000810000-0x0000000000B13000-memory.dmp

Filesize
3.0MB

Download
memory/2816-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2816-18-0x00000000003D0000-0x00000000003E1000-memory.dmp

Filesize
68KB

Download
memory/2816-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2816-7-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

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