xloader | 6923c6b53ceaec1d925149106d9d29c7d35af3542beca0bcbd9333f4ea28e67b

General

Target

request for quotation samples No 48576935 96877463.exe
Size

419KB
MD5

6ceb03b6435eefad76639a03a22ce0fb
SHA1

f1a37e2f2cc7de7eed2403af42a446050a6610fd
SHA256

b32579e01c28fc0a157f14ce8c679d02fcd1f5c03f8eef56ba6a77a627786d84
SHA512

1987f6e1573ace6e6fa2b4c4409e7af1d7db12ab40593c8898a12c135aa0168c7772ae1727072e867311f4bd068a40b49c996102a05f80d5618de0f76d8b330b

Score

10^/10

xloader iwnn loader rat spyware stealer suricata

Malware Config

Extracted

Family

xloader

Version

2.1

Campaign

iwnn

Decoy

laerteskft.com

growingstrongbook.com

bridgecounsel.com

takeabreakfromwork.com

www2998s.com

rvaimportados.com

zelfstandigondernemen.online

connectinglifes.com

ecopt.win

bwwvuih.com

designingbeyondmyeloma.com

apprentisageaplus.com

walkintubstoday.sale

littlemexicoimports.com

getaltai.com

sbd55999.com

nu000.com

theconsciouscookingcompany.com

jelancer.com

osusume-toushiseminar.com

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2020-63-0x000000000041CB00-mapping.dmp	xloader
behavioral1/memory/2020-62-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2020-65-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/1392-71-0x0000000000070000-0x0000000000098000-memory.dmp	xloader

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 3 IoCs

Processes:

request for quotation samples No 48576935 96877463.exerequest for quotation samples No 48576935 96877463.exewscript.exe

description	pid	process	target process
PID 1776 set thread context of 2020	1776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 2020 set thread context of 1220	2020	request for quotation samples No 48576935 96877463.exe	Explorer.EXE
PID 1392 set thread context of 1220	1392	wscript.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wscript.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

request for quotation samples No 48576935 96877463.exerequest for quotation samples No 48576935 96877463.exewscript.exe

pid	process
1776	request for quotation samples No 48576935 96877463.exe
2020	request for quotation samples No 48576935 96877463.exe
2020	request for quotation samples No 48576935 96877463.exe
1392	wscript.exe
1392	wscript.exe
1392	wscript.exe
1392	wscript.exe
1392	wscript.exe
1392	wscript.exe
1392	wscript.exe
1392	wscript.exe
1392	wscript.exe
1392	wscript.exe
1392	wscript.exe
1392	wscript.exe
1392	wscript.exe
1392	wscript.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

request for quotation samples No 48576935 96877463.exewscript.exe

pid	process
2020	request for quotation samples No 48576935 96877463.exe
2020	request for quotation samples No 48576935 96877463.exe
2020	request for quotation samples No 48576935 96877463.exe
1392	wscript.exe
1392	wscript.exe
1392	wscript.exe
1392	wscript.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

request for quotation samples No 48576935 96877463.exerequest for quotation samples No 48576935 96877463.exewscript.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1776	request for quotation samples No 48576935 96877463.exe
Token: SeDebugPrivilege	2020	request for quotation samples No 48576935 96877463.exe
Token: SeDebugPrivilege	1392	wscript.exe
Token: SeShutdownPrivilege	1220	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

request for quotation samples No 48576935 96877463.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 1776 wrote to memory of 2004	1776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 1776 wrote to memory of 2004	1776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 1776 wrote to memory of 2004	1776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 1776 wrote to memory of 2004	1776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 1776 wrote to memory of 2020	1776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 1776 wrote to memory of 2020	1776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 1776 wrote to memory of 2020	1776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 1776 wrote to memory of 2020	1776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 1776 wrote to memory of 2020	1776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 1776 wrote to memory of 2020	1776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 1776 wrote to memory of 2020	1776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 1220 wrote to memory of 1392	1220	Explorer.EXE	wscript.exe
PID 1220 wrote to memory of 1392	1220	Explorer.EXE	wscript.exe
PID 1220 wrote to memory of 1392	1220	Explorer.EXE	wscript.exe
PID 1220 wrote to memory of 1392	1220	Explorer.EXE	wscript.exe
PID 1392 wrote to memory of 368	1392	wscript.exe	Firefox.exe
PID 1392 wrote to memory of 368	1392	wscript.exe	Firefox.exe
PID 1392 wrote to memory of 368	1392	wscript.exe	Firefox.exe
PID 1392 wrote to memory of 368	1392	wscript.exe	Firefox.exe
PID 1392 wrote to memory of 368	1392	wscript.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1220

C:\Users\Admin\AppData\Local\Temp\request for quotation samples No 48576935 96877463.exe
"C:\Users\Admin\AppData\Local\Temp\request for quotation samples No 48576935 96877463.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776

C:\Users\Admin\AppData\Local\Temp\request for quotation samples No 48576935 96877463.exe
"C:\Users\Admin\AppData\Local\Temp\request for quotation samples No 48576935 96877463.exe"
3⤵
PID:2004

C:\Users\Admin\AppData\Local\Temp\request for quotation samples No 48576935 96877463.exe
"C:\Users\Admin\AppData\Local\Temp\request for quotation samples No 48576935 96877463.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2020

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1392

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:368

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1220-68-0x00000000060B0000-0x0000000006196000-memory.dmp

Filesize
920KB

Download
memory/1220-74-0x00000000061A0000-0x00000000062C1000-memory.dmp

Filesize
1.1MB

Download
memory/1392-73-0x0000000000370000-0x00000000003FF000-memory.dmp

Filesize
572KB

Download
memory/1392-72-0x00000000021E0000-0x00000000024E3000-memory.dmp

Filesize
3.0MB

Download
memory/1392-71-0x0000000000070000-0x0000000000098000-memory.dmp

Filesize
160KB

Download
memory/1392-70-0x0000000000C20000-0x0000000000C46000-memory.dmp

Filesize
152KB

Download
memory/1392-69-0x0000000000000000-mapping.dmp

Download
memory/1776-58-0x00000000054D0000-0x00000000054FE000-memory.dmp

Filesize
184KB

Download
memory/1776-54-0x0000000001010000-0x0000000001080000-memory.dmp

Filesize
448KB

Download
memory/1776-57-0x0000000005490000-0x00000000054D8000-memory.dmp

Filesize
288KB

Download
memory/1776-56-0x00000000003F0000-0x0000000000402000-memory.dmp

Filesize
72KB

Download
memory/1776-55-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/2020-62-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2020-65-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2020-66-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download
memory/2020-67-0x0000000000130000-0x0000000000140000-memory.dmp

Filesize
64KB

Download
memory/2020-63-0x000000000041CB00-mapping.dmp

Download
memory/2020-60-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2020-59-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads