xloader | c2db07ef9eadc24d56effb5858e81f2d7b241a75d0a39d0174fee389b9efb394

General

Target

66fd2bc4d1ec466bcd76e50bbc959b9a794e897345e69305e11aa99d0b0d656d.exe
Size

357KB
MD5

b99e10d4eb07e4a986ee92bcf444a7bf
SHA1

470d703ad9ea51844f0577d917f7167cc032887d
SHA256

66fd2bc4d1ec466bcd76e50bbc959b9a794e897345e69305e11aa99d0b0d656d
SHA512

4914d79035dffa9ef00dc79ac756957a3cf686af41e414836ae0500ec1a9c5084cb77b1a2c1f7ff203d77b9f7897f8de3b38c1aadb36c68aa92d5900b18096b0
SSDEEP

6144:GwvDTzJ2RxyyZkZkMgGpHL9lIXJSto6BYvF1p7a0J8GM9p9MS:JzzZuMgGpheJSesYd1pR8lrR

Score

10^/10

xloader pout discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

pout

Decoy

leadergaterealty.com

k7bsz.info

laidjapp1.com

eastcountytaxi.com

betterlife-uae.com

materaiku.com

chanhxebinhthuan-hcm.online

06gjm.xyz

67t.xyz

here-we-meet.com

screened-articletoseetoday.info

lucykg.club

mujdobron.quest

susakhi.com

funtabse.com

unlimitedpain.com

2ed58fwec.xyz

weighttrainingexpert.com

allisonsheillax.com

yektaburgers.com

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/1868-12-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1868-16-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1868-19-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2880-26-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Executes dropped EXE 2 IoCs

pid	Process
2900	nwixhieg.exe
1868	nwixhieg.exe

Loads dropped DLL 2 IoCs

pid	Process
1680	66fd2bc4d1ec466bcd76e50bbc959b9a794e897345e69305e11aa99d0b0d656d.exe
2900	nwixhieg.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2900 set thread context of 1868	2900	nwixhieg.exe	32
PID 1868 set thread context of 1280	1868	nwixhieg.exe	21
PID 1868 set thread context of 1280	1868	nwixhieg.exe	21
PID 2880 set thread context of 1280	2880	chkdsk.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	66fd2bc4d1ec466bcd76e50bbc959b9a794e897345e69305e11aa99d0b0d656d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nwixhieg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1868	nwixhieg.exe
1868	nwixhieg.exe
1868	nwixhieg.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe
2880	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1868	nwixhieg.exe
1868	nwixhieg.exe
1868	nwixhieg.exe
1868	nwixhieg.exe
2880	chkdsk.exe
2880	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1868	nwixhieg.exe
Token: SeDebugPrivilege	2880	chkdsk.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2900	1680	66fd2bc4d1ec466bcd76e50bbc959b9a794e897345e69305e11aa99d0b0d656d.exe	30
PID 1680 wrote to memory of 2900	1680	66fd2bc4d1ec466bcd76e50bbc959b9a794e897345e69305e11aa99d0b0d656d.exe	30
PID 1680 wrote to memory of 2900	1680	66fd2bc4d1ec466bcd76e50bbc959b9a794e897345e69305e11aa99d0b0d656d.exe	30
PID 1680 wrote to memory of 2900	1680	66fd2bc4d1ec466bcd76e50bbc959b9a794e897345e69305e11aa99d0b0d656d.exe	30
PID 2900 wrote to memory of 1868	2900	nwixhieg.exe	32
PID 2900 wrote to memory of 1868	2900	nwixhieg.exe	32
PID 2900 wrote to memory of 1868	2900	nwixhieg.exe	32
PID 2900 wrote to memory of 1868	2900	nwixhieg.exe	32
PID 2900 wrote to memory of 1868	2900	nwixhieg.exe	32
PID 2900 wrote to memory of 1868	2900	nwixhieg.exe	32
PID 2900 wrote to memory of 1868	2900	nwixhieg.exe	32
PID 1280 wrote to memory of 2880	1280	Explorer.EXE	33
PID 1280 wrote to memory of 2880	1280	Explorer.EXE	33
PID 1280 wrote to memory of 2880	1280	Explorer.EXE	33
PID 1280 wrote to memory of 2880	1280	Explorer.EXE	33
PID 2880 wrote to memory of 2652	2880	chkdsk.exe	34
PID 2880 wrote to memory of 2652	2880	chkdsk.exe	34
PID 2880 wrote to memory of 2652	2880	chkdsk.exe	34
PID 2880 wrote to memory of 2652	2880	chkdsk.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Users\Admin\AppData\Local\Temp\66fd2bc4d1ec466bcd76e50bbc959b9a794e897345e69305e11aa99d0b0d656d.exe
  "C:\Users\Admin\AppData\Local\Temp\66fd2bc4d1ec466bcd76e50bbc959b9a794e897345e69305e11aa99d0b0d656d.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1680
- - C:\Users\Admin\AppData\Local\Temp\nwixhieg.exe
    C:\Users\Admin\AppData\Local\Temp\nwixhieg.exe C:\Users\Admin\AppData\Local\Temp\idgcov
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2900
  - - C:\Users\Admin\AppData\Local\Temp\nwixhieg.exe
      C:\Users\Admin\AppData\Local\Temp\nwixhieg.exe C:\Users\Admin\AppData\Local\Temp\idgcov
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:1868
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2880
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\nwixhieg.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

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

C:\Users\Admin\AppData\Local\Temp\4mbuzq0rf0rv81

Filesize
213KB

MD5
bec780ab3a86d3885c9872f4d75dbcd5

SHA1
a1122469144444e83c37fb27b69f32835a007379

SHA256
a8447660db41efb0fc4bc2948f31c3b6ef82adf83844ccbb21ec45a37bfafe0d

SHA512
ee210c5b7dac3494d7ed12793fcb292462f9dd190820c7099d233b223b5097b5541fc301cd32101947564a9e5934ff13753722f4d7fad83a503b27eadbe4fc29

Download Submit
C:\Users\Admin\AppData\Local\Temp\idgcov

Filesize
5KB

MD5
ef56418270d58e8a8ad6bc84ed05928c

SHA1
d3210c0c1568cc6d67763c628654209cf0ee60be

SHA256
ebb25e646a42bc51c2f6c03f5715a07b0e672256e348b37893e9f6a5a558d06e

SHA512
a92d5b12b82241049cb588de455b214eca739efbb9ce06eed834b86e5ea512a8ddf751e3c1a81c1e1c6dd9ab5c4e9ca95586c475ccdbec0c64f5490e79eadbe7

Download Submit
C:\Users\Admin\AppData\Local\Temp\nwixhieg.exe

Filesize
118KB

MD5
ac46facd334c7cd106cde9fdf38e965c

SHA1
daa001174d595132938cfc19c43579cbd4d082ca

SHA256
c1d018b4850721d1a602b7aa0273ef1e00d962199167f1b09465a47daff31b1b

SHA512
f546345984e3edb7651737306201e8b5a5d76c4b508170fb998ecb16245846cc3719052390aa47ca2b862bc0bbb5ae4174ec9605f5fb0c91758c4aef4092805e

Download Submit
memory/1280-21-0x0000000006BB0000-0x0000000006D3B000-memory.dmp

Filesize
1.5MB

Download
memory/1280-33-0x0000000007380000-0x0000000007506000-memory.dmp

Filesize
1.5MB

Download
memory/1280-31-0x0000000007380000-0x0000000007506000-memory.dmp

Filesize
1.5MB

Download
memory/1280-17-0x0000000006370000-0x0000000006421000-memory.dmp

Filesize
708KB

Download
memory/1280-27-0x0000000006BB0000-0x0000000006D3B000-memory.dmp

Filesize
1.5MB

Download
memory/1280-20-0x0000000006370000-0x0000000006421000-memory.dmp

Filesize
708KB

Download
memory/1868-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1868-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1868-16-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2880-24-0x00000000007B0000-0x00000000007B7000-memory.dmp

Filesize
28KB

Download
memory/2880-25-0x00000000007B0000-0x00000000007B7000-memory.dmp

Filesize
28KB

Download
memory/2880-26-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2900-9-0x00000000001D0000-0x00000000001D2000-memory.dmp

Filesize
8KB

Download

Analysis

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