xloader | 358c99f5f11faa788a617eae44e7d676dfbf51ba3f1cc0348f03676f7ceea8ee

Analysis

max time kernel
153s
max time network
58s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 20:41

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General

Target

captured_malware/1Ptfo0FZUMT7hlK.exe
Size

838KB
MD5

bc302d910397e2d1092e47029d8f35df
SHA1

9982779ea783defca4c9d3e95ddb92c11a838447
SHA256

fefa01b761aa8ab9d5a79db0bc41cd8eaee972248cf52e4d5c2629998e9bc6e2
SHA512

866c8af39462887223e03d630c4bf30d4bf9165493d972c8dd94a65f7858f521bee9bfa72b6804b860b235b8b957f7c7f523dad90277945b93d6f6a9f918f05f
SSDEEP

12288:E2iNT/VnFXwSj7V2JHLKJpBUtVOSoHL0tOV0Yd03i/nRar2hBrNls9XOd4+QCaQV:E19/VnR7VQcpqtiAOnd0Ey2hgu

Score

10^/10

xloader qn6g discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

qn6g

Decoy

kemtechonline.com

myjourneywithothers.com

pfifaq.com

vaziva-immo.net

thethickpick.com

sidvip.com

bidaleri.com

allginns.com

farmersystemofanalysis.com

shoponserendipity.com

expressdeliverybd.com

hargatoyota-malang.com

taichiforcalmess.com

lovewickcandlecompany.com

chrometoasterrv.com

chustozen.site

xiaofeizhi.com

nbzweb.xyz

tequenovegano.com

e-elearningconsultancy.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/2876-12-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2876-16-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2768-22-0x0000000000080000-0x00000000000A8000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
2644	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2544 set thread context of 2876	2544	1Ptfo0FZUMT7hlK.exe	31
PID 2876 set thread context of 1408	2876	1Ptfo0FZUMT7hlK.exe	21
PID 2768 set thread context of 1408	2768	chkdsk.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	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1Ptfo0FZUMT7hlK.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 21 IoCs

pid	Process
2876	1Ptfo0FZUMT7hlK.exe
2876	1Ptfo0FZUMT7hlK.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe
2768	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2876	1Ptfo0FZUMT7hlK.exe
2876	1Ptfo0FZUMT7hlK.exe
2876	1Ptfo0FZUMT7hlK.exe
2768	chkdsk.exe
2768	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	1Ptfo0FZUMT7hlK.exe
Token: SeDebugPrivilege	2768	chkdsk.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2876	2544	1Ptfo0FZUMT7hlK.exe	31
PID 2544 wrote to memory of 2876	2544	1Ptfo0FZUMT7hlK.exe	31
PID 2544 wrote to memory of 2876	2544	1Ptfo0FZUMT7hlK.exe	31
PID 2544 wrote to memory of 2876	2544	1Ptfo0FZUMT7hlK.exe	31
PID 2544 wrote to memory of 2876	2544	1Ptfo0FZUMT7hlK.exe	31
PID 2544 wrote to memory of 2876	2544	1Ptfo0FZUMT7hlK.exe	31
PID 2544 wrote to memory of 2876	2544	1Ptfo0FZUMT7hlK.exe	31
PID 1408 wrote to memory of 2768	1408	Explorer.EXE	32
PID 1408 wrote to memory of 2768	1408	Explorer.EXE	32
PID 1408 wrote to memory of 2768	1408	Explorer.EXE	32
PID 1408 wrote to memory of 2768	1408	Explorer.EXE	32
PID 2768 wrote to memory of 2644	2768	chkdsk.exe	33
PID 2768 wrote to memory of 2644	2768	chkdsk.exe	33
PID 2768 wrote to memory of 2644	2768	chkdsk.exe	33
PID 2768 wrote to memory of 2644	2768	chkdsk.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Users\Admin\AppData\Local\Temp\captured_malware\1Ptfo0FZUMT7hlK.exe
  "C:\Users\Admin\AppData\Local\Temp\captured_malware\1Ptfo0FZUMT7hlK.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Users\Admin\AppData\Local\Temp\captured_malware\1Ptfo0FZUMT7hlK.exe
    "C:\Users\Admin\AppData\Local\Temp\captured_malware\1Ptfo0FZUMT7hlK.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2876
- 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:2768
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\captured_malware\1Ptfo0FZUMT7hlK.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1408-18-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1408-19-0x00000000070B0000-0x0000000007258000-memory.dmp

Filesize
1.7MB

Download
memory/1408-23-0x00000000070B0000-0x0000000007258000-memory.dmp

Filesize
1.7MB

Download
memory/2544-6-0x0000000005E80000-0x0000000005F1C000-memory.dmp

Filesize
624KB

Download
memory/2544-4-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/2544-5-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-3-0x00000000005A0000-0x00000000005B6000-memory.dmp

Filesize
88KB

Download
memory/2544-7-0x00000000050F0000-0x0000000005144000-memory.dmp

Filesize
336KB

Download
memory/2544-2-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/2544-13-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-1-0x0000000000EB0000-0x0000000000F86000-memory.dmp

Filesize
856KB

Download
memory/2768-22-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2768-21-0x0000000000DA0000-0x0000000000DA7000-memory.dmp

Filesize
28KB

Download
memory/2768-20-0x0000000000DA0000-0x0000000000DA7000-memory.dmp

Filesize
28KB

Download
memory/2876-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2876-16-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2876-17-0x00000000000F0000-0x0000000000100000-memory.dmp

Filesize
64KB

Download
memory/2876-14-0x0000000000960000-0x0000000000C63000-memory.dmp

Filesize
3.0MB

Download
memory/2876-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2876-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2876-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download