xloader | 0cf451892cf34cdc6c9d7264b6be01721b2294e673d5fa0907c9c536963d0cb4

General

Target

Shipping Document.exe
Size

609KB
MD5

cdb997600be6215980e8bacd253f329c
SHA1

b405b6edee2d638c1bd768a550272fdf4e541aab
SHA256

0cf451892cf34cdc6c9d7264b6be01721b2294e673d5fa0907c9c536963d0cb4
SHA512

444313a5e34595f0fb2c624bac9bc0fe1b52956541315874c5cd79a8ee330d192f99b7f3ac856b0b1b95e532574ac66444da069a7e57605e52bd6d8a9f2f5499

Score

10^/10

xloader a8hq loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

a8hq

Decoy

veteransductcleaning.com

beajtjunkies.com

houseofascofi.com

scottsdalemediator.com

atelyadesign.com

profitcase.pro

imtokenio.club

qinglingpai.com

bigsmile-meal.net

daytonlivestream.com

aspiradores10.online

ytybs120.com

hdatelier.com

bearpierce.com

yeson28ca.com

booklearner.com

m8j9.club

mmophamthinhlegend.space

hq4a7o6zb.com

sophiadaki.online

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4876-136-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/4876-138-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/448-144-0x00000000012D0000-0x00000000012FB000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

Shipping Document.exeShipping Document.exemstsc.exe

description	pid	process	target process
PID 4808 set thread context of 4876	4808	Shipping Document.exe	Shipping Document.exe
PID 4876 set thread context of 2576	4876	Shipping Document.exe	Explorer.EXE
PID 448 set thread context of 2576	448	mstsc.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

mstsc.exe

description ioc process

File opened for modification C:\Program Files (x86)\Pk4hhrf\vv8xjl_r6v.exe mstsc.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Pk4hhrf\vv8xjl_r6v.exe	mstsc.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

Shipping Document.exemstsc.exe

pid	process
4876	Shipping Document.exe
4876	Shipping Document.exe
4876	Shipping Document.exe
4876	Shipping Document.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe
448	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2576 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Shipping Document.exemstsc.exe

pid process

4876 Shipping Document.exe
4876 Shipping Document.exe
4876 Shipping Document.exe
448 mstsc.exe
448 mstsc.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Shipping Document.exemstsc.exe

description pid process

Token: SeDebugPrivilege 4876 Shipping Document.exe
Token: SeDebugPrivilege 448 mstsc.exe

pid	process
2576	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4876	Shipping Document.exe
Token: SeDebugPrivilege	448	mstsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Shipping Document.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 4808 wrote to memory of 4876	4808	Shipping Document.exe	Shipping Document.exe
PID 4808 wrote to memory of 4876	4808	Shipping Document.exe	Shipping Document.exe
PID 4808 wrote to memory of 4876	4808	Shipping Document.exe	Shipping Document.exe
PID 4808 wrote to memory of 4876	4808	Shipping Document.exe	Shipping Document.exe
PID 4808 wrote to memory of 4876	4808	Shipping Document.exe	Shipping Document.exe
PID 4808 wrote to memory of 4876	4808	Shipping Document.exe	Shipping Document.exe
PID 2576 wrote to memory of 448	2576	Explorer.EXE	mstsc.exe
PID 2576 wrote to memory of 448	2576	Explorer.EXE	mstsc.exe
PID 2576 wrote to memory of 448	2576	Explorer.EXE	mstsc.exe
PID 448 wrote to memory of 1196	448	mstsc.exe	cmd.exe
PID 448 wrote to memory of 1196	448	mstsc.exe	cmd.exe
PID 448 wrote to memory of 1196	448	mstsc.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2576

C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4808

C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4876

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:448

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe"
3⤵
PID:1196

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/448-147-0x0000000003110000-0x00000000031A0000-memory.dmp

Filesize
576KB

Download
memory/448-145-0x0000000003310000-0x000000000365A000-memory.dmp

Filesize
3.3MB

Download
memory/448-144-0x00000000012D0000-0x00000000012FB000-memory.dmp

Filesize
172KB

Download
memory/448-143-0x0000000000E90000-0x0000000000FCA000-memory.dmp

Filesize
1.2MB

Download
memory/448-142-0x0000000000000000-mapping.dmp

Download
memory/1196-146-0x0000000000000000-mapping.dmp

Download
memory/2576-141-0x0000000008920000-0x0000000008ABE000-memory.dmp

Filesize
1.6MB

Download
memory/2576-148-0x0000000002DF0000-0x0000000002F56000-memory.dmp

Filesize
1.4MB

Download
memory/4808-134-0x00000000014D0000-0x00000000014DA000-memory.dmp

Filesize
40KB

Download
memory/4808-130-0x00000000008A0000-0x000000000093E000-memory.dmp

Filesize
632KB

Download
memory/4808-133-0x00000000052F0000-0x000000000538C000-memory.dmp

Filesize
624KB

Download
memory/4808-132-0x0000000005250000-0x00000000052E2000-memory.dmp

Filesize
584KB

Download
memory/4808-131-0x0000000005950000-0x0000000005EF4000-memory.dmp

Filesize
5.6MB

Download
memory/4876-140-0x0000000001500000-0x0000000001511000-memory.dmp

Filesize
68KB

Download
memory/4876-139-0x0000000001A70000-0x0000000001DBA000-memory.dmp

Filesize
3.3MB

Download
memory/4876-138-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4876-136-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4876-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads