xloader | 19bc9a34f4a074428bec1c81bb731aab86b38d877dca82ecae158f9b29d93dbf

General

Target

Request for Quotation.exe
Size

505KB
MD5

0ad7201eb902e58b08a769af58a72846
SHA1

ba8b764c65299d732e97be27ac371108a0672537
SHA256

19bc9a34f4a074428bec1c81bb731aab86b38d877dca82ecae158f9b29d93dbf
SHA512

58aa04e56e1cc46836a7d55fa07f50e55bfd732d5b2c849bb1b2cb59067dc2f587164554ac548445668cabf3ca548e9b0283c4aeb8f7a636c21a791b5ccf6cd0

Score

10^/10

xloader b2c0 loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

b2c0

C2

http://www.thesewhitevvalls.com/b2c0/

Decoy

bjyxszd520.xyz

hsvfingerprinting.com

elliotpioneer.com

bf396.com

chinaopedia.com

6233v.com

shopeuphoricapparel.com

loccssol.store

truefictionpictures.com

playstarexch.com

peruviancoffee.store

shobhajoshi.com

philme.net

avito-rules.com

independencehomecenters.com

atp-cayenne.com

invetorsbank.com

sasanos.com

scentfreebnb.com

catfuid.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3800-125-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3800-126-0x000000000041D4C0-mapping.dmp	xloader
behavioral2/memory/1792-133-0x0000000002E20000-0x0000000002E49000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

Request for Quotation.exeRequest for Quotation.execmd.exe

description	pid	process	target process
PID 480 set thread context of 3800	480	Request for Quotation.exe	Request for Quotation.exe
PID 3800 set thread context of 3040	3800	Request for Quotation.exe	Explorer.EXE
PID 1792 set thread context of 3040	1792	cmd.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3320 schtasks.exe

pid	process
3320	schtasks.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

Request for Quotation.exeRequest for Quotation.execmd.exe

pid	process
480	Request for Quotation.exe
480	Request for Quotation.exe
3800	Request for Quotation.exe
3800	Request for Quotation.exe
3800	Request for Quotation.exe
3800	Request for Quotation.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3040 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Request for Quotation.execmd.exe

pid process

3800 Request for Quotation.exe
3800 Request for Quotation.exe
3800 Request for Quotation.exe
1792 cmd.exe
1792 cmd.exe

pid	process
3040	Explorer.EXE

pid	process
3800	Request for Quotation.exe
3800	Request for Quotation.exe
3800	Request for Quotation.exe
1792	cmd.exe
1792	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Request for Quotation.exeRequest for Quotation.execmd.exe

description	pid	process
Token: SeDebugPrivilege	480	Request for Quotation.exe
Token: SeDebugPrivilege	3800	Request for Quotation.exe
Token: SeDebugPrivilege	1792	cmd.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Request for Quotation.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 480 wrote to memory of 3320	480	Request for Quotation.exe	schtasks.exe
PID 480 wrote to memory of 3320	480	Request for Quotation.exe	schtasks.exe
PID 480 wrote to memory of 3320	480	Request for Quotation.exe	schtasks.exe
PID 480 wrote to memory of 3800	480	Request for Quotation.exe	Request for Quotation.exe
PID 480 wrote to memory of 3800	480	Request for Quotation.exe	Request for Quotation.exe
PID 480 wrote to memory of 3800	480	Request for Quotation.exe	Request for Quotation.exe
PID 480 wrote to memory of 3800	480	Request for Quotation.exe	Request for Quotation.exe
PID 480 wrote to memory of 3800	480	Request for Quotation.exe	Request for Quotation.exe
PID 480 wrote to memory of 3800	480	Request for Quotation.exe	Request for Quotation.exe
PID 3040 wrote to memory of 1792	3040	Explorer.EXE	cmd.exe
PID 3040 wrote to memory of 1792	3040	Explorer.EXE	cmd.exe
PID 3040 wrote to memory of 1792	3040	Explorer.EXE	cmd.exe
PID 1792 wrote to memory of 2676	1792	cmd.exe	cmd.exe
PID 1792 wrote to memory of 2676	1792	cmd.exe	cmd.exe
PID 1792 wrote to memory of 2676	1792	cmd.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3040

C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:480

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ilghTBnHuu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8F8A.tmp"
3⤵
- Creates scheduled task(s)
PID:3320

C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3800

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\SysWOW64\cmd.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1792

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"
3⤵
PID:2676

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/480-115-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download
memory/480-117-0x0000000005820000-0x0000000005821000-memory.dmp

Filesize
4KB

Download
memory/480-118-0x0000000005400000-0x0000000005401000-memory.dmp

Filesize
4KB

Download
memory/480-119-0x0000000005320000-0x000000000581E000-memory.dmp

Filesize
5.0MB

Download
memory/480-120-0x00000000054A0000-0x00000000054A1000-memory.dmp

Filesize
4KB

Download
memory/480-121-0x00000000057A0000-0x00000000057A6000-memory.dmp

Filesize
24KB

Download
memory/480-122-0x0000000007B90000-0x0000000007B91000-memory.dmp

Filesize
4KB

Download
memory/480-123-0x0000000007B40000-0x0000000007B8B000-memory.dmp

Filesize
300KB

Download
memory/1792-132-0x0000000000830000-0x0000000000889000-memory.dmp

Filesize
356KB

Download
memory/1792-131-0x0000000000000000-mapping.dmp

Download
memory/1792-133-0x0000000002E20000-0x0000000002E49000-memory.dmp

Filesize
164KB

Download
memory/1792-135-0x00000000034E0000-0x0000000003800000-memory.dmp

Filesize
3.1MB

Download
memory/1792-136-0x00000000033B0000-0x0000000003440000-memory.dmp

Filesize
576KB

Download
memory/2676-134-0x0000000000000000-mapping.dmp

Download
memory/3040-130-0x0000000004ED0000-0x000000000506C000-memory.dmp

Filesize
1.6MB

Download
memory/3040-137-0x00000000025E0000-0x00000000026A3000-memory.dmp

Filesize
780KB

Download
memory/3320-124-0x0000000000000000-mapping.dmp

Download
memory/3800-125-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3800-126-0x000000000041D4C0-mapping.dmp

Download
memory/3800-129-0x00000000015F0000-0x0000000001601000-memory.dmp

Filesize
68KB

Download
memory/3800-128-0x0000000001900000-0x0000000001C20000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads