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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4600-125-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4600-126-0x000000000041D4C0-mapping.dmp	xloader
behavioral2/memory/512-135-0x0000000000150000-0x0000000000179000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

OCT Quotation.exeOCT Quotation.exemsiexec.exe

description	pid	process	target process
PID 2324 set thread context of 4600	2324	OCT Quotation.exe	OCT Quotation.exe
PID 4600 set thread context of 3040	4600	OCT Quotation.exe	Explorer.EXE
PID 512 set thread context of 3040	512	msiexec.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

4544 schtasks.exe

pid	process
4544	schtasks.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

OCT Quotation.exeOCT Quotation.exemsiexec.exe

pid	process
2324	OCT Quotation.exe
2324	OCT Quotation.exe
4600	OCT Quotation.exe
4600	OCT Quotation.exe
4600	OCT Quotation.exe
4600	OCT Quotation.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe
512	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3040 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

OCT Quotation.exemsiexec.exe

pid process

4600 OCT Quotation.exe
4600 OCT Quotation.exe
4600 OCT Quotation.exe
512 msiexec.exe
512 msiexec.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

OCT Quotation.exeOCT Quotation.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 2324 OCT Quotation.exe
Token: SeDebugPrivilege 4600 OCT Quotation.exe
Token: SeDebugPrivilege 512 msiexec.exe

pid	process
3040	Explorer.EXE

pid	process
4600	OCT Quotation.exe
4600	OCT Quotation.exe
4600	OCT Quotation.exe
512	msiexec.exe
512	msiexec.exe

description	pid	process
Token: SeDebugPrivilege	2324	OCT Quotation.exe
Token: SeDebugPrivilege	4600	OCT Quotation.exe
Token: SeDebugPrivilege	512	msiexec.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

OCT Quotation.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 2324 wrote to memory of 4544	2324	OCT Quotation.exe	schtasks.exe
PID 2324 wrote to memory of 4544	2324	OCT Quotation.exe	schtasks.exe
PID 2324 wrote to memory of 4544	2324	OCT Quotation.exe	schtasks.exe
PID 2324 wrote to memory of 4600	2324	OCT Quotation.exe	OCT Quotation.exe
PID 2324 wrote to memory of 4600	2324	OCT Quotation.exe	OCT Quotation.exe
PID 2324 wrote to memory of 4600	2324	OCT Quotation.exe	OCT Quotation.exe
PID 2324 wrote to memory of 4600	2324	OCT Quotation.exe	OCT Quotation.exe
PID 2324 wrote to memory of 4600	2324	OCT Quotation.exe	OCT Quotation.exe
PID 2324 wrote to memory of 4600	2324	OCT Quotation.exe	OCT Quotation.exe
PID 3040 wrote to memory of 512	3040	Explorer.EXE	msiexec.exe
PID 3040 wrote to memory of 512	3040	Explorer.EXE	msiexec.exe
PID 3040 wrote to memory of 512	3040	Explorer.EXE	msiexec.exe
PID 512 wrote to memory of 868	512	msiexec.exe	cmd.exe
PID 512 wrote to memory of 868	512	msiexec.exe	cmd.exe
PID 512 wrote to memory of 868	512	msiexec.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\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:2324

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nmUYBNzNcr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp749F.tmp"
3⤵
- Creates scheduled task(s)
PID:4544

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:4600

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:512

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\OCT Quotation.exe"
3⤵
PID:868

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/512-131-0x0000000000000000-mapping.dmp

Download
memory/512-138-0x0000000004060000-0x00000000040F0000-memory.dmp

Filesize
576KB

Download
memory/512-137-0x0000000004210000-0x0000000004530000-memory.dmp

Filesize
3.1MB

Download
memory/512-134-0x00000000003B0000-0x00000000003C2000-memory.dmp

Filesize
72KB

Download
memory/512-135-0x0000000000150000-0x0000000000179000-memory.dmp

Filesize
164KB

Download
memory/512-133-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/512-132-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/868-136-0x0000000000000000-mapping.dmp

Download
memory/2324-121-0x00000000053A0000-0x00000000053A7000-memory.dmp

Filesize
28KB

Download
memory/2324-120-0x0000000004E30000-0x0000000004E31000-memory.dmp

Filesize
4KB

Download
memory/2324-117-0x00000000053D0000-0x00000000053D1000-memory.dmp

Filesize
4KB

Download
memory/2324-118-0x0000000004D80000-0x0000000004D81000-memory.dmp

Filesize
4KB

Download
memory/2324-119-0x0000000004CE0000-0x0000000004D72000-memory.dmp

Filesize
584KB

Download
memory/2324-115-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/2324-122-0x00000000087E0000-0x00000000087E1000-memory.dmp

Filesize
4KB

Download
memory/2324-123-0x0000000008790000-0x00000000087DB000-memory.dmp

Filesize
300KB

Download
memory/3040-130-0x0000000006650000-0x0000000006762000-memory.dmp

Filesize
1.1MB

Download
memory/3040-139-0x0000000002E80000-0x0000000002F76000-memory.dmp

Filesize
984KB

Download
memory/4544-124-0x0000000000000000-mapping.dmp

Download
memory/4600-125-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4600-128-0x0000000001810000-0x0000000001B30000-memory.dmp

Filesize
3.1MB

Download
memory/4600-129-0x00000000017D0000-0x00000000017E1000-memory.dmp

Filesize
68KB

Download
memory/4600-126-0x000000000041D4C0-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads