xloader | 6623c86614f32885765a529c796fbe3e3b476dc58782a813e622d0d0873eaafb

General

Target

OCT Quotation.exe
Size

382KB
MD5

1f747491324af43e7e9432bf1c805c85
SHA1

30af5d5964916a694e52396711be4b2441250e01
SHA256

6623c86614f32885765a529c796fbe3e3b476dc58782a813e622d0d0873eaafb
SHA512

56271611779e2c0f18855deb72b3411a09a8e3e688c143a4eac756f9c88669755c07a6180c1a0d1766203d9bca64bc1b8e660470a5c33ff67f96c3cf4a124133

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1600-62-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1600-63-0x000000000041D4C0-mapping.dmp	xloader
behavioral1/memory/1600-68-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1888-73-0x0000000000070000-0x0000000000099000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1120 cmd.exe

pid	process
1120	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

OCT Quotation.exeOCT Quotation.execscript.exe

description	pid	process	target process
PID 1432 set thread context of 1600	1432	OCT Quotation.exe	OCT Quotation.exe
PID 1600 set thread context of 1204	1600	OCT Quotation.exe	Explorer.EXE
PID 1600 set thread context of 1204	1600	OCT Quotation.exe	Explorer.EXE
PID 1888 set thread context of 1204	1888	cscript.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

572 schtasks.exe

pid	process
572	schtasks.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

OCT Quotation.exeOCT Quotation.execscript.exe

pid	process
1432	OCT Quotation.exe
1432	OCT Quotation.exe
1600	OCT Quotation.exe
1600	OCT Quotation.exe
1600	OCT Quotation.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe
1888	cscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

OCT Quotation.execscript.exe

pid process

1600 OCT Quotation.exe
1600 OCT Quotation.exe
1600 OCT Quotation.exe
1600 OCT Quotation.exe
1888 cscript.exe
1888 cscript.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

OCT Quotation.exeOCT Quotation.execscript.exe

description pid process

Token: SeDebugPrivilege 1432 OCT Quotation.exe
Token: SeDebugPrivilege 1600 OCT Quotation.exe
Token: SeDebugPrivilege 1888 cscript.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE

pid	process
1600	OCT Quotation.exe
1600	OCT Quotation.exe
1600	OCT Quotation.exe
1600	OCT Quotation.exe
1888	cscript.exe
1888	cscript.exe

description	pid	process
Token: SeDebugPrivilege	1432	OCT Quotation.exe
Token: SeDebugPrivilege	1600	OCT Quotation.exe
Token: SeDebugPrivilege	1888	cscript.exe

pid	process
1204	Explorer.EXE
1204	Explorer.EXE

pid	process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

OCT Quotation.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 1432 wrote to memory of 572	1432	OCT Quotation.exe	schtasks.exe
PID 1432 wrote to memory of 572	1432	OCT Quotation.exe	schtasks.exe
PID 1432 wrote to memory of 572	1432	OCT Quotation.exe	schtasks.exe
PID 1432 wrote to memory of 572	1432	OCT Quotation.exe	schtasks.exe
PID 1432 wrote to memory of 1600	1432	OCT Quotation.exe	OCT Quotation.exe
PID 1432 wrote to memory of 1600	1432	OCT Quotation.exe	OCT Quotation.exe
PID 1432 wrote to memory of 1600	1432	OCT Quotation.exe	OCT Quotation.exe
PID 1432 wrote to memory of 1600	1432	OCT Quotation.exe	OCT Quotation.exe
PID 1432 wrote to memory of 1600	1432	OCT Quotation.exe	OCT Quotation.exe
PID 1432 wrote to memory of 1600	1432	OCT Quotation.exe	OCT Quotation.exe
PID 1432 wrote to memory of 1600	1432	OCT Quotation.exe	OCT Quotation.exe
PID 1204 wrote to memory of 1888	1204	Explorer.EXE	cscript.exe
PID 1204 wrote to memory of 1888	1204	Explorer.EXE	cscript.exe
PID 1204 wrote to memory of 1888	1204	Explorer.EXE	cscript.exe
PID 1204 wrote to memory of 1888	1204	Explorer.EXE	cscript.exe
PID 1888 wrote to memory of 1120	1888	cscript.exe	cmd.exe
PID 1888 wrote to memory of 1120	1888	cscript.exe	cmd.exe
PID 1888 wrote to memory of 1120	1888	cscript.exe	cmd.exe
PID 1888 wrote to memory of 1120	1888	cscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1204

C:\Users\Admin\AppData\Local\Temp\OCT Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\OCT Quotation.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1432

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nmUYBNzNcr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4AD6.tmp"
3⤵
- Creates scheduled task(s)
PID:572

C:\Users\Admin\AppData\Local\Temp\OCT Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\OCT Quotation.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1600

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1888

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\OCT Quotation.exe"
3⤵
- Deletes itself
PID:1120

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/572-59-0x0000000000000000-mapping.dmp

Download
memory/1120-74-0x0000000000000000-mapping.dmp

Download
memory/1204-70-0x0000000004BE0000-0x0000000004D5A000-memory.dmp

Filesize
1.5MB

Download
memory/1204-67-0x0000000004AC0000-0x0000000004BD6000-memory.dmp

Filesize
1.1MB

Download
memory/1204-77-0x0000000004820000-0x000000000492A000-memory.dmp

Filesize
1.0MB

Download
memory/1432-58-0x0000000001080000-0x00000000010CB000-memory.dmp

Filesize
300KB

Download
memory/1432-56-0x0000000004C30000-0x0000000004C31000-memory.dmp

Filesize
4KB

Download
memory/1432-55-0x00000000768C1000-0x00000000768C3000-memory.dmp

Filesize
8KB

Download
memory/1432-53-0x0000000001180000-0x0000000001181000-memory.dmp

Filesize
4KB

Download
memory/1432-57-0x00000000004E0000-0x00000000004E7000-memory.dmp

Filesize
28KB

Download
memory/1600-68-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1600-65-0x0000000000990000-0x0000000000C93000-memory.dmp

Filesize
3.0MB

Download
memory/1600-66-0x0000000000190000-0x00000000001A1000-memory.dmp

Filesize
68KB

Download
memory/1600-63-0x000000000041D4C0-mapping.dmp

Download
memory/1600-69-0x00000000001D0000-0x00000000001E1000-memory.dmp

Filesize
68KB

Download
memory/1600-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1600-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1600-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1888-71-0x0000000000000000-mapping.dmp

Download
memory/1888-72-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download
memory/1888-73-0x0000000000070000-0x0000000000099000-memory.dmp

Filesize
164KB

Download
memory/1888-75-0x0000000002170000-0x0000000002473000-memory.dmp

Filesize
3.0MB

Download
memory/1888-76-0x0000000000490000-0x0000000000520000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads