xloader | be69ec1f3485699df3a2b0eb9364ee4f88a92c04d2b60af77ea6d680f0a1f032

General

Target

balance invoice-3547542428_pdf.exe
Size

848KB
MD5

c3dee40777d198b0c2b202efa09544ca
SHA1

844ecd0e8303ee9c0d0a478d8fb9bb8b7bf5f2a4
SHA256

b496f743cf4cd880575f37fef2db5c36b857c36afd77f578fc80a19b02cd8b30
SHA512

c4a60605584b531cdc6b8d35c3067b19e401c78ff1ee32ba8e8e7d1a82c1e74a5d3957d636d41bbb0b8617cfb91533616491eecf3315128272376d4afd6956ae
SSDEEP

6144:xfWbU6Uq/ejSo047vgI9y0zJIbjG8YCsxqFsGsLgM03YFfi9hcaHv1b7nCLBgXIk:1kUmNEzgInlYxPsx2P9hcE1HCVp4

Score

10^/10

xloader iwtr discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

iwtr

Decoy

srikrishnadental.com

outthedoorinfive.com

batamgle.com

leela-13senses.com

iyhouse.space

brazzalb.com

camperinnrv.com

hageteruossan.com

alicepassion.com

wearethecardclinics.com

thenortherntechgroup.com

akademiarelacji.com

garu.club

brandscoop.net

ejassatulima.xyz

cdo-latam.com

noireimpactcollective.com

poquitotodo.com

g04urs14.com

mgytekstil.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2580-12-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2580-16-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2884-22-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
324	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1204 set thread context of 2580	1204	balance invoice-3547542428_pdf.exe	30
PID 2580 set thread context of 1156	2580	balance invoice-3547542428_pdf.exe	21
PID 2884 set thread context of 1156	2884	colorcpl.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	balance invoice-3547542428_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2580	balance invoice-3547542428_pdf.exe
2580	balance invoice-3547542428_pdf.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe
2884	colorcpl.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2580	balance invoice-3547542428_pdf.exe
2580	balance invoice-3547542428_pdf.exe
2580	balance invoice-3547542428_pdf.exe
2884	colorcpl.exe
2884	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2580	balance invoice-3547542428_pdf.exe
Token: SeDebugPrivilege	2884	colorcpl.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 2580	1204	balance invoice-3547542428_pdf.exe	30
PID 1204 wrote to memory of 2580	1204	balance invoice-3547542428_pdf.exe	30
PID 1204 wrote to memory of 2580	1204	balance invoice-3547542428_pdf.exe	30
PID 1204 wrote to memory of 2580	1204	balance invoice-3547542428_pdf.exe	30
PID 1204 wrote to memory of 2580	1204	balance invoice-3547542428_pdf.exe	30
PID 1204 wrote to memory of 2580	1204	balance invoice-3547542428_pdf.exe	30
PID 1204 wrote to memory of 2580	1204	balance invoice-3547542428_pdf.exe	30
PID 1156 wrote to memory of 2884	1156	Explorer.EXE	31
PID 1156 wrote to memory of 2884	1156	Explorer.EXE	31
PID 1156 wrote to memory of 2884	1156	Explorer.EXE	31
PID 1156 wrote to memory of 2884	1156	Explorer.EXE	31
PID 2884 wrote to memory of 324	2884	colorcpl.exe	32
PID 2884 wrote to memory of 324	2884	colorcpl.exe	32
PID 2884 wrote to memory of 324	2884	colorcpl.exe	32
PID 2884 wrote to memory of 324	2884	colorcpl.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1156
- C:\Users\Admin\AppData\Local\Temp\balance invoice-3547542428_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\balance invoice-3547542428_pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1204
- - C:\Users\Admin\AppData\Local\Temp\balance invoice-3547542428_pdf.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2580
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.exe"
  2⤵
  - 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:2884
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\balance invoice-3547542428_pdf.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:324

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/1156-23-0x00000000063C0000-0x0000000006543000-memory.dmp

Filesize
1.5MB

Download
memory/1156-19-0x00000000063C0000-0x0000000006543000-memory.dmp

Filesize
1.5MB

Download
memory/1156-18-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1204-13-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/1204-1-0x0000000000840000-0x000000000091A000-memory.dmp

Filesize
872KB

Download
memory/1204-2-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/1204-3-0x0000000000510000-0x0000000000524000-memory.dmp

Filesize
80KB

Download
memory/1204-4-0x000000007409E000-0x000000007409F000-memory.dmp

Filesize
4KB

Download
memory/1204-5-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/1204-6-0x0000000004BC0000-0x0000000004C3E000-memory.dmp

Filesize
504KB

Download
memory/1204-7-0x00000000006B0000-0x00000000006E0000-memory.dmp

Filesize
192KB

Download
memory/1204-0-0x000000007409E000-0x000000007409F000-memory.dmp

Filesize
4KB

Download
memory/2580-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2580-14-0x0000000000BF0000-0x0000000000EF3000-memory.dmp

Filesize
3.0MB

Download
memory/2580-17-0x0000000000140000-0x0000000000151000-memory.dmp

Filesize
68KB

Download
memory/2580-16-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2580-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2580-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2580-8-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2884-20-0x0000000000E60000-0x0000000000E78000-memory.dmp

Filesize
96KB

Download
memory/2884-21-0x0000000000E60000-0x0000000000E78000-memory.dmp

Filesize
96KB

Download
memory/2884-22-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download

Analysis

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