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
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1796-137-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/1796-139-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/2300-145-0x0000000000B70000-0x0000000000B98000-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.exenetsh.exe

description	pid	process	target process
PID 4776 set thread context of 1796	4776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 1796 set thread context of 3044	1796	request for quotation samples No 48576935 96877463.exe	Explorer.EXE
PID 2300 set thread context of 3044	2300	netsh.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

netsh.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	netsh.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

Processes:

request for quotation samples No 48576935 96877463.exenetsh.exe

pid	process
1796	request for quotation samples No 48576935 96877463.exe
1796	request for quotation samples No 48576935 96877463.exe
1796	request for quotation samples No 48576935 96877463.exe
1796	request for quotation samples No 48576935 96877463.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3044 Explorer.EXE

pid	process
3044	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

request for quotation samples No 48576935 96877463.exenetsh.exe

pid	process
1796	request for quotation samples No 48576935 96877463.exe
1796	request for quotation samples No 48576935 96877463.exe
1796	request for quotation samples No 48576935 96877463.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe
2300	netsh.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

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

description	pid	process
Token: SeDebugPrivilege	1796	request for quotation samples No 48576935 96877463.exe
Token: SeShutdownPrivilege	3044	Explorer.EXE
Token: SeCreatePagefilePrivilege	3044	Explorer.EXE
Token: SeShutdownPrivilege	3044	Explorer.EXE
Token: SeCreatePagefilePrivilege	3044	Explorer.EXE
Token: SeDebugPrivilege	2300	netsh.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

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

description	pid	process	target process
PID 4776 wrote to memory of 1796	4776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 4776 wrote to memory of 1796	4776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 4776 wrote to memory of 1796	4776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 4776 wrote to memory of 1796	4776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 4776 wrote to memory of 1796	4776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 4776 wrote to memory of 1796	4776	request for quotation samples No 48576935 96877463.exe	request for quotation samples No 48576935 96877463.exe
PID 3044 wrote to memory of 2300	3044	Explorer.EXE	netsh.exe
PID 3044 wrote to memory of 2300	3044	Explorer.EXE	netsh.exe
PID 3044 wrote to memory of 2300	3044	Explorer.EXE	netsh.exe
PID 2300 wrote to memory of 1168	2300	netsh.exe	cmd.exe
PID 2300 wrote to memory of 1168	2300	netsh.exe	cmd.exe
PID 2300 wrote to memory of 1168	2300	netsh.exe	cmd.exe
PID 2300 wrote to memory of 3928	2300	netsh.exe	Firefox.exe
PID 2300 wrote to memory of 3928	2300	netsh.exe	Firefox.exe
PID 2300 wrote to memory of 3928	2300	netsh.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3044

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 use of WriteProcessMemory
PID:4776

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:1796

C:\Windows\SysWOW64\netsh.exe
"C:\Windows\SysWOW64\netsh.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:2300

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:1168

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3928

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
memory/1168-149-0x0000000000000000-mapping.dmp

Download
memory/1796-137-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1796-142-0x00000000005F0000-0x0000000000600000-memory.dmp

Filesize
64KB

Download
memory/1796-140-0x0000000000F20000-0x000000000126A000-memory.dmp

Filesize
3.3MB

Download
memory/1796-139-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1796-136-0x0000000000000000-mapping.dmp

Download
memory/2300-146-0x00000000017C0000-0x0000000001B0A000-memory.dmp

Filesize
3.3MB

Download
memory/2300-143-0x0000000000000000-mapping.dmp

Download
memory/2300-144-0x0000000000AD0000-0x0000000000AEE000-memory.dmp

Filesize
120KB

Download
memory/2300-145-0x0000000000B70000-0x0000000000B98000-memory.dmp

Filesize
160KB

Download
memory/2300-147-0x0000000001550000-0x00000000015DF000-memory.dmp

Filesize
572KB

Download
memory/3044-141-0x0000000007CA0000-0x0000000007E38000-memory.dmp

Filesize
1.6MB

Download
memory/3044-148-0x0000000007E40000-0x0000000007F82000-memory.dmp

Filesize
1.3MB

Download
memory/4776-135-0x0000000004E80000-0x0000000004ED6000-memory.dmp

Filesize
344KB

Download
memory/4776-134-0x0000000004C60000-0x0000000004C6A000-memory.dmp

Filesize
40KB

Download
memory/4776-133-0x0000000004DE0000-0x0000000004E72000-memory.dmp

Filesize
584KB

Download
memory/4776-130-0x0000000000260000-0x00000000002D0000-memory.dmp

Filesize
448KB

Download
memory/4776-132-0x0000000005390000-0x0000000005934000-memory.dmp

Filesize
5.6MB

Download
memory/4776-131-0x0000000004CD0000-0x0000000004D6C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads