xloader | f8b6860b5f79411ce377df615b3e72745e773c9e89347fdf00adea4f8200e51d

General

Target

Request For Quotation.exe
Size

349KB
MD5

6ff3af29fcf1cabca1e7df8a6094e4a3
SHA1

f382d117151ad79fa9ecd42920fe63e105aed461
SHA256

f8b6860b5f79411ce377df615b3e72745e773c9e89347fdf00adea4f8200e51d
SHA512

578cc3c53fcbc51b42b18e0cedf898b9540e74a13a075d312e776b42c5c46f5d14db0e81d76f87efc90c3fe0b34a421388c48d573846ae37de88003d6cea3661

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/1688-126-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1688-127-0x000000000041D4C0-mapping.dmp	xloader
behavioral2/memory/1176-135-0x0000000003100000-0x0000000003129000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

Request For Quotation.exeRequest For Quotation.exeraserver.exe

description	pid	process	target process
PID 2872 set thread context of 1688	2872	Request For Quotation.exe	Request For Quotation.exe
PID 1688 set thread context of 3068	1688	Request For Quotation.exe	Explorer.EXE
PID 1176 set thread context of 3068	1176	raserver.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

2696 schtasks.exe

pid	process
2696	schtasks.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

Request For Quotation.exeRequest For Quotation.exeraserver.exe

pid	process
2872	Request For Quotation.exe
2872	Request For Quotation.exe
1688	Request For Quotation.exe
1688	Request For Quotation.exe
1688	Request For Quotation.exe
1688	Request For Quotation.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe
1176	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3068 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Request For Quotation.exeraserver.exe

pid process

1688 Request For Quotation.exe
1688 Request For Quotation.exe
1688 Request For Quotation.exe
1176 raserver.exe
1176 raserver.exe

pid	process
3068	Explorer.EXE

pid	process
1688	Request For Quotation.exe
1688	Request For Quotation.exe
1688	Request For Quotation.exe
1176	raserver.exe
1176	raserver.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Request For Quotation.exeRequest For Quotation.exeraserver.exe

description	pid	process
Token: SeDebugPrivilege	2872	Request For Quotation.exe
Token: SeDebugPrivilege	1688	Request For Quotation.exe
Token: SeDebugPrivilege	1176	raserver.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Request For Quotation.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 2872 wrote to memory of 2696	2872	Request For Quotation.exe	schtasks.exe
PID 2872 wrote to memory of 2696	2872	Request For Quotation.exe	schtasks.exe
PID 2872 wrote to memory of 2696	2872	Request For Quotation.exe	schtasks.exe
PID 2872 wrote to memory of 1688	2872	Request For Quotation.exe	Request For Quotation.exe
PID 2872 wrote to memory of 1688	2872	Request For Quotation.exe	Request For Quotation.exe
PID 2872 wrote to memory of 1688	2872	Request For Quotation.exe	Request For Quotation.exe
PID 2872 wrote to memory of 1688	2872	Request For Quotation.exe	Request For Quotation.exe
PID 2872 wrote to memory of 1688	2872	Request For Quotation.exe	Request For Quotation.exe
PID 2872 wrote to memory of 1688	2872	Request For Quotation.exe	Request For Quotation.exe
PID 3068 wrote to memory of 1176	3068	Explorer.EXE	raserver.exe
PID 3068 wrote to memory of 1176	3068	Explorer.EXE	raserver.exe
PID 3068 wrote to memory of 1176	3068	Explorer.EXE	raserver.exe
PID 1176 wrote to memory of 2984	1176	raserver.exe	cmd.exe
PID 1176 wrote to memory of 2984	1176	raserver.exe	cmd.exe
PID 1176 wrote to memory of 2984	1176	raserver.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3068

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:2872

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QmGzsmhXZS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp70F6.tmp"
3⤵
- Creates scheduled task(s)
PID:2696

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:1688

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1176

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Request For Quotation.exe"
3⤵
PID:2984

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

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Downloads

memory/1176-132-0x0000000000000000-mapping.dmp

Download
memory/1176-137-0x0000000004A60000-0x0000000004AF0000-memory.dmp

Filesize
576KB

Download
memory/1176-134-0x0000000000110000-0x000000000012F000-memory.dmp

Filesize
124KB

Download
memory/1176-136-0x00000000046B0000-0x00000000049D0000-memory.dmp

Filesize
3.1MB

Download
memory/1176-135-0x0000000003100000-0x0000000003129000-memory.dmp

Filesize
164KB

Download
memory/1688-127-0x000000000041D4C0-mapping.dmp

Download
memory/1688-130-0x0000000001730000-0x0000000001741000-memory.dmp

Filesize
68KB

Download
memory/1688-129-0x0000000001750000-0x0000000001A70000-memory.dmp

Filesize
3.1MB

Download
memory/1688-126-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2696-125-0x0000000000000000-mapping.dmp

Download
memory/2872-119-0x0000000005880000-0x0000000005881000-memory.dmp

Filesize
4KB

Download
memory/2872-115-0x0000000000D40000-0x0000000000D41000-memory.dmp

Filesize
4KB

Download
memory/2872-124-0x00000000075C0000-0x000000000760A000-memory.dmp

Filesize
296KB

Download
memory/2872-122-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

Filesize
4KB

Download
memory/2872-121-0x0000000005760000-0x0000000005761000-memory.dmp

Filesize
4KB

Download
memory/2872-120-0x00000000059E0000-0x00000000059E1000-memory.dmp

Filesize
4KB

Download
memory/2872-123-0x00000000073E0000-0x00000000073E7000-memory.dmp

Filesize
28KB

Download
memory/2872-118-0x0000000005780000-0x0000000005781000-memory.dmp

Filesize
4KB

Download
memory/2872-117-0x0000000005C80000-0x0000000005C81000-memory.dmp

Filesize
4KB

Download
memory/2984-133-0x0000000000000000-mapping.dmp

Download
memory/3068-131-0x0000000000D00000-0x0000000000E10000-memory.dmp

Filesize
1.1MB

Download
memory/3068-138-0x0000000006400000-0x0000000006503000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads