xloader | 70d9343a08019985237ed2346bdbfd513958c2ee603826a16f5402150e105016

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 20:33

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General

Target

Enquiry.exe
Size

813KB
MD5

bb97d34fddf332ca03f69c16dc1b3ddf
SHA1

1c5c320dea0b4113c29e159fc69f71e483134cdb
SHA256

f2d382ad3eba8f9911837369359508a3cca7d3757de74b1284e4d530937b6f28
SHA512

b7733170085db549336c9d579921f2751319e7176767d0b1529c983cdb0eea8e0a6a902807f3ff9f3fdffc465d28f451fa0402e0da248c12d7fc642ad5341d2c
SSDEEP

12288:dBOXamCTLMQrkTuLLvGLN/vzgtK72rDmVLzkmZ22YZLoPZ4SI9VCZ6vO+2:dBO6TLM22UKGsWmVLz/2jLoxyB2

Score

10^/10

xloader 3edq discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

3edq

Decoy

qf212.com

cleanmoscow.com

shopkaitek.com

gehaflouine.com

saintlouisconsulting.com

kmeltonbeauty.com

kylaapp.com

ildstudyclub.com

fiat-mcmotors.today

daugoithaoduocphubac.com

associatesgmailonline.com

lsbtjx.com

almasgreat.com

francedeliverydhl.xyz

racevx.xyz

izaeristesi.com

tubacexgroups.com

envioslamacha.com

webtpon.com

rlnursinghomecare.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/2876-13-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2876-17-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/1160-22-0x0000000000080000-0x00000000000A8000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1780 set thread context of 2876	1780	Enquiry.exe	31
PID 2876 set thread context of 1236	2876	RegSvcs.exe	21
PID 1160 set thread context of 1236	1160	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	Enquiry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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 14 IoCs

pid	Process
1780	Enquiry.exe
1780	Enquiry.exe
1780	Enquiry.exe
2876	RegSvcs.exe
2876	RegSvcs.exe
1160	chkdsk.exe
1160	chkdsk.exe
1160	chkdsk.exe
1160	chkdsk.exe
1160	chkdsk.exe
1160	chkdsk.exe
1160	chkdsk.exe
1160	chkdsk.exe
1160	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2876	RegSvcs.exe
2876	RegSvcs.exe
2876	RegSvcs.exe
1160	chkdsk.exe
1160	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	Enquiry.exe
Token: SeDebugPrivilege	2876	RegSvcs.exe
Token: SeDebugPrivilege	1160	chkdsk.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 2768	1780	Enquiry.exe	29
PID 1780 wrote to memory of 2768	1780	Enquiry.exe	29
PID 1780 wrote to memory of 2768	1780	Enquiry.exe	29
PID 1780 wrote to memory of 2768	1780	Enquiry.exe	29
PID 1780 wrote to memory of 2768	1780	Enquiry.exe	29
PID 1780 wrote to memory of 2768	1780	Enquiry.exe	29
PID 1780 wrote to memory of 2768	1780	Enquiry.exe	29
PID 1780 wrote to memory of 2788	1780	Enquiry.exe	30
PID 1780 wrote to memory of 2788	1780	Enquiry.exe	30
PID 1780 wrote to memory of 2788	1780	Enquiry.exe	30
PID 1780 wrote to memory of 2788	1780	Enquiry.exe	30
PID 1780 wrote to memory of 2788	1780	Enquiry.exe	30
PID 1780 wrote to memory of 2788	1780	Enquiry.exe	30
PID 1780 wrote to memory of 2788	1780	Enquiry.exe	30
PID 1780 wrote to memory of 2876	1780	Enquiry.exe	31
PID 1780 wrote to memory of 2876	1780	Enquiry.exe	31
PID 1780 wrote to memory of 2876	1780	Enquiry.exe	31
PID 1780 wrote to memory of 2876	1780	Enquiry.exe	31
PID 1780 wrote to memory of 2876	1780	Enquiry.exe	31
PID 1780 wrote to memory of 2876	1780	Enquiry.exe	31
PID 1780 wrote to memory of 2876	1780	Enquiry.exe	31
PID 1780 wrote to memory of 2876	1780	Enquiry.exe	31
PID 1780 wrote to memory of 2876	1780	Enquiry.exe	31
PID 1780 wrote to memory of 2876	1780	Enquiry.exe	31
PID 1236 wrote to memory of 1160	1236	Explorer.EXE	32
PID 1236 wrote to memory of 1160	1236	Explorer.EXE	32
PID 1236 wrote to memory of 1160	1236	Explorer.EXE	32
PID 1236 wrote to memory of 1160	1236	Explorer.EXE	32
PID 1160 wrote to memory of 1896	1160	chkdsk.exe	33
PID 1160 wrote to memory of 1896	1160	chkdsk.exe	33
PID 1160 wrote to memory of 1896	1160	chkdsk.exe	33
PID 1160 wrote to memory of 1896	1160	chkdsk.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Users\Admin\AppData\Local\Temp\Enquiry.exe
  "C:\Users\Admin\AppData\Local\Temp\Enquiry.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1780
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2768
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2788
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:1160
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1896

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

Replay Monitor

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Downloads

memory/1160-20-0x0000000000EF0000-0x0000000000EF7000-memory.dmp

Filesize
28KB

Download
memory/1160-21-0x0000000000EF0000-0x0000000000EF7000-memory.dmp

Filesize
28KB

Download
memory/1160-22-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/1236-23-0x00000000071C0000-0x000000000732D000-memory.dmp

Filesize
1.4MB

Download
memory/1236-19-0x00000000071C0000-0x000000000732D000-memory.dmp

Filesize
1.4MB

Download
memory/1780-3-0x0000000000750000-0x0000000000772000-memory.dmp

Filesize
136KB

Download
memory/1780-6-0x0000000004C40000-0x0000000004CD0000-memory.dmp

Filesize
576KB

Download
memory/1780-7-0x0000000007620000-0x0000000007664000-memory.dmp

Filesize
272KB

Download
memory/1780-5-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/1780-4-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/1780-0-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/1780-2-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/1780-14-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/1780-1-0x0000000000820000-0x00000000008F2000-memory.dmp

Filesize
840KB

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

Filesize
160KB

Download
memory/2876-17-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2876-18-0x00000000000C0000-0x00000000000D0000-memory.dmp

Filesize
64KB

Download
memory/2876-15-0x0000000000830000-0x0000000000B33000-memory.dmp

Filesize
3.0MB

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

Filesize
160KB

Download
memory/2876-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

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

Filesize
4KB

Download