xloader | c6fd5cd65ad33c112f367478404014e7e20c487e1ee57a460ad568a352b91f40

General

Target

Enquiry docs.exe
Size

259KB
MD5

57e634d27ebeb3eb96a21efb56654952
SHA1

3a73a99013039be2615cbefd0cba1e4f5d10ea45
SHA256

d0df1d753742cd9d3144c77f0b343aac22fdab2a2d32bd41872dd838e2eb8a34
SHA512

20626c979cee7d4780d95c020e7ee92719595d56f6e5bcdd40a7f746c89f8961c1441c2e8867110478a093bfde4c2085f27b42baf0296274d8f049c2e28de844

Score

10^/10

xloader ga6b loader persistence rat spyware stealer suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ga6b

C2

http://www.egyptian-museum.com/ga6b/

Decoy

diasporacospices.com

sd-shenghe.com

onlinewritingjobs.net

greenstreamgroup.store

garageair.agency

idh-bf.com

middenhavendambreskens.com

szkoleniawcag.online

wiremefeelings.com

ottosperformance.com

brothermush.com

weiserpath.com

baohiemtv24h.com

glassgalaxynft.com

spiritualmind.space

18130072012.com

3v0.space

smartgadgetscompare.com

corvusexpeditii.xyz

egcontabilidade.website

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
behavioral2/memory/2220-116-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2220-117-0x000000000041D4E0-mapping.dmp	xloader
behavioral2/memory/1316-125-0x0000000000A10000-0x0000000000A39000-memory.dmp	xloader
behavioral2/memory/1288-137-0x000000000041D4E0-mapping.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

NETSTAT.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	NETSTAT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\FTQLOR5HIL9 = "C:\\Program Files (x86)\\Pbjnl\\e4ud_r5tlzbp.exe"	NETSTAT.EXE

Executes dropped EXE 2 IoCs

Processes:

e4ud_r5tlzbp.exee4ud_r5tlzbp.exe

pid process

896 e4ud_r5tlzbp.exe
1288 e4ud_r5tlzbp.exe
Loads dropped DLL 2 IoCs

Processes:

Enquiry docs.exee4ud_r5tlzbp.exe

pid process

4088 Enquiry docs.exe
896 e4ud_r5tlzbp.exe
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

pid	process
896	e4ud_r5tlzbp.exe
1288	e4ud_r5tlzbp.exe

pid	process
4088	Enquiry docs.exe
896	e4ud_r5tlzbp.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Enquiry docs.exeEnquiry docs.exeNETSTAT.EXEe4ud_r5tlzbp.exe

description	pid	process	target process
PID 4088 set thread context of 2220	4088	Enquiry docs.exe	Enquiry docs.exe
PID 2220 set thread context of 3028	2220	Enquiry docs.exe	Explorer.EXE
PID 1316 set thread context of 3028	1316	NETSTAT.EXE	Explorer.EXE
PID 896 set thread context of 1288	896	e4ud_r5tlzbp.exe	e4ud_r5tlzbp.exe

Drops file in Program Files directory 4 IoCs

Processes:

NETSTAT.EXEExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Pbjnl\e4ud_r5tlzbp.exe	NETSTAT.EXE
File opened for modification	C:\Program Files (x86)\Pbjnl	Explorer.EXE
File created	C:\Program Files (x86)\Pbjnl\e4ud_r5tlzbp.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Pbjnl\e4ud_r5tlzbp.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

NSIS installer 6 IoCs

installer

Processes:

resource	yara_rule
C:\Program Files (x86)\Pbjnl\e4ud_r5tlzbp.exe	nsis_installer_1
C:\Program Files (x86)\Pbjnl\e4ud_r5tlzbp.exe	nsis_installer_2
C:\Program Files (x86)\Pbjnl\e4ud_r5tlzbp.exe	nsis_installer_1
C:\Program Files (x86)\Pbjnl\e4ud_r5tlzbp.exe	nsis_installer_2
C:\Program Files (x86)\Pbjnl\e4ud_r5tlzbp.exe	nsis_installer_1
C:\Program Files (x86)\Pbjnl\e4ud_r5tlzbp.exe	nsis_installer_2

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

1316 NETSTAT.EXE

pid	process
1316	NETSTAT.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

NETSTAT.EXE

description	ioc	process
Key created	\Registry\User\S-1-5-21-941723256-3451054534-3089625102-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

Enquiry docs.exeNETSTAT.EXEe4ud_r5tlzbp.exe

pid	process
2220	Enquiry docs.exe
2220	Enquiry docs.exe
2220	Enquiry docs.exe
2220	Enquiry docs.exe
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1288	e4ud_r5tlzbp.exe
1288	e4ud_r5tlzbp.exe
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE
1316	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3028 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Enquiry docs.exeNETSTAT.EXE

pid process

2220 Enquiry docs.exe
2220 Enquiry docs.exe
2220 Enquiry docs.exe
1316 NETSTAT.EXE
1316 NETSTAT.EXE
1316 NETSTAT.EXE
1316 NETSTAT.EXE

pid	process
3028	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

Enquiry docs.exeNETSTAT.EXEExplorer.EXEe4ud_r5tlzbp.exe

description	pid	process
Token: SeDebugPrivilege	2220	Enquiry docs.exe
Token: SeDebugPrivilege	1316	NETSTAT.EXE
Token: SeShutdownPrivilege	3028	Explorer.EXE
Token: SeCreatePagefilePrivilege	3028	Explorer.EXE
Token: SeShutdownPrivilege	3028	Explorer.EXE
Token: SeCreatePagefilePrivilege	3028	Explorer.EXE
Token: SeDebugPrivilege	1288	e4ud_r5tlzbp.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

Enquiry docs.exeExplorer.EXENETSTAT.EXEe4ud_r5tlzbp.exe

description	pid	process	target process
PID 4088 wrote to memory of 2220	4088	Enquiry docs.exe	Enquiry docs.exe
PID 4088 wrote to memory of 2220	4088	Enquiry docs.exe	Enquiry docs.exe
PID 4088 wrote to memory of 2220	4088	Enquiry docs.exe	Enquiry docs.exe
PID 4088 wrote to memory of 2220	4088	Enquiry docs.exe	Enquiry docs.exe
PID 4088 wrote to memory of 2220	4088	Enquiry docs.exe	Enquiry docs.exe
PID 4088 wrote to memory of 2220	4088	Enquiry docs.exe	Enquiry docs.exe
PID 3028 wrote to memory of 1316	3028	Explorer.EXE	NETSTAT.EXE
PID 3028 wrote to memory of 1316	3028	Explorer.EXE	NETSTAT.EXE
PID 3028 wrote to memory of 1316	3028	Explorer.EXE	NETSTAT.EXE
PID 1316 wrote to memory of 908	1316	NETSTAT.EXE	cmd.exe
PID 1316 wrote to memory of 908	1316	NETSTAT.EXE	cmd.exe
PID 1316 wrote to memory of 908	1316	NETSTAT.EXE	cmd.exe
PID 1316 wrote to memory of 1712	1316	NETSTAT.EXE	cmd.exe
PID 1316 wrote to memory of 1712	1316	NETSTAT.EXE	cmd.exe
PID 1316 wrote to memory of 1712	1316	NETSTAT.EXE	cmd.exe
PID 1316 wrote to memory of 1376	1316	NETSTAT.EXE	Firefox.exe
PID 1316 wrote to memory of 1376	1316	NETSTAT.EXE	Firefox.exe
PID 1316 wrote to memory of 1376	1316	NETSTAT.EXE	Firefox.exe
PID 3028 wrote to memory of 896	3028	Explorer.EXE	e4ud_r5tlzbp.exe
PID 3028 wrote to memory of 896	3028	Explorer.EXE	e4ud_r5tlzbp.exe
PID 3028 wrote to memory of 896	3028	Explorer.EXE	e4ud_r5tlzbp.exe
PID 896 wrote to memory of 1288	896	e4ud_r5tlzbp.exe	e4ud_r5tlzbp.exe
PID 896 wrote to memory of 1288	896	e4ud_r5tlzbp.exe	e4ud_r5tlzbp.exe
PID 896 wrote to memory of 1288	896	e4ud_r5tlzbp.exe	e4ud_r5tlzbp.exe
PID 896 wrote to memory of 1288	896	e4ud_r5tlzbp.exe	e4ud_r5tlzbp.exe
PID 896 wrote to memory of 1288	896	e4ud_r5tlzbp.exe	e4ud_r5tlzbp.exe
PID 896 wrote to memory of 1288	896	e4ud_r5tlzbp.exe	e4ud_r5tlzbp.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3028

C:\Users\Admin\AppData\Local\Temp\Enquiry docs.exe
"C:\Users\Admin\AppData\Local\Temp\Enquiry docs.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4088

C:\Users\Admin\AppData\Local\Temp\Enquiry docs.exe
"C:\Users\Admin\AppData\Local\Temp\Enquiry docs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2220

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Gathers network information
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Enquiry docs.exe"
3⤵
PID:908

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:1712

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1376

C:\Program Files (x86)\Pbjnl\e4ud_r5tlzbp.exe
"C:\Program Files (x86)\Pbjnl\e4ud_r5tlzbp.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:896

C:\Program Files (x86)\Pbjnl\e4ud_r5tlzbp.exe
"C:\Program Files (x86)\Pbjnl\e4ud_r5tlzbp.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1288

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\Pbjnl\e4ud_r5tlzbp.exe
MD5
57e634d27ebeb3eb96a21efb56654952

SHA1
3a73a99013039be2615cbefd0cba1e4f5d10ea45

SHA256
d0df1d753742cd9d3144c77f0b343aac22fdab2a2d32bd41872dd838e2eb8a34

SHA512
20626c979cee7d4780d95c020e7ee92719595d56f6e5bcdd40a7f746c89f8961c1441c2e8867110478a093bfde4c2085f27b42baf0296274d8f049c2e28de844

Download Submit
C:\Program Files (x86)\Pbjnl\e4ud_r5tlzbp.exe
MD5
57e634d27ebeb3eb96a21efb56654952

SHA1
3a73a99013039be2615cbefd0cba1e4f5d10ea45

SHA256
d0df1d753742cd9d3144c77f0b343aac22fdab2a2d32bd41872dd838e2eb8a34

SHA512
20626c979cee7d4780d95c020e7ee92719595d56f6e5bcdd40a7f746c89f8961c1441c2e8867110478a093bfde4c2085f27b42baf0296274d8f049c2e28de844

Download Submit
C:\Program Files (x86)\Pbjnl\e4ud_r5tlzbp.exe
MD5
57e634d27ebeb3eb96a21efb56654952

SHA1
3a73a99013039be2615cbefd0cba1e4f5d10ea45

SHA256
d0df1d753742cd9d3144c77f0b343aac22fdab2a2d32bd41872dd838e2eb8a34

SHA512
20626c979cee7d4780d95c020e7ee92719595d56f6e5bcdd40a7f746c89f8961c1441c2e8867110478a093bfde4c2085f27b42baf0296274d8f049c2e28de844

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\mp59m2ruobpqhxv42sg
MD5
102b23bd64bca7637fdbef22ebe761d4

SHA1
039c6684f5789337b4ad6c2abc8b0bceabfe7812

SHA256
0ea5290692f36097842873d5f7024bf161c1aad2a2d41ee3b8b7b0718b5e14a3

SHA512
03558ef924890fe44d12c8c82c397ed59cc10e5bfcec9c2f913640ec59e18f61d73c93c5e6f3d2a3ecb07748dd1bd179c87455c5aac0e88be158b2238888ce91

Download Submit
\Users\Admin\AppData\Local\Temp\nsfC3AF.tmp\qwihhhjukkm.dll
MD5
59e03c649261671aae61c01474532bdf

SHA1
dad1989e45cc1bd59a94d56b4a61bad832a8590e

SHA256
fef91b5459767be1bf625022564b3613f9448cdf783e2e7138a48073cfea95a4

SHA512
3d28bce453a7adb02e1a5710ae14f9cd4ba1fac479684ea262cc0c648a99a64488c42a14b6e82811a2c2b9eac044ca57d5d4077914651da24cabda8327dcd9b8

Download Submit
\Users\Admin\AppData\Local\Temp\nszE518.tmp\qwihhhjukkm.dll
MD5
59e03c649261671aae61c01474532bdf

SHA1
dad1989e45cc1bd59a94d56b4a61bad832a8590e

SHA256
fef91b5459767be1bf625022564b3613f9448cdf783e2e7138a48073cfea95a4

SHA512
3d28bce453a7adb02e1a5710ae14f9cd4ba1fac479684ea262cc0c648a99a64488c42a14b6e82811a2c2b9eac044ca57d5d4077914651da24cabda8327dcd9b8

Download Submit
memory/896-131-0x0000000000000000-mapping.dmp

Download
memory/908-123-0x0000000000000000-mapping.dmp

Download
memory/1288-139-0x0000000000BB0000-0x0000000000ED0000-memory.dmp

Filesize
3.1MB

Download
memory/1288-137-0x000000000041D4E0-mapping.dmp

Download
memory/1316-126-0x0000000003440000-0x0000000003760000-memory.dmp

Filesize
3.1MB

Download
memory/1316-127-0x0000000003210000-0x00000000032A0000-memory.dmp

Filesize
576KB

Download
memory/1316-124-0x0000000000A70000-0x0000000000A7B000-memory.dmp

Filesize
44KB

Download
memory/1316-125-0x0000000000A10000-0x0000000000A39000-memory.dmp

Filesize
164KB

Download
memory/1316-122-0x0000000000000000-mapping.dmp

Download
memory/1712-129-0x0000000000000000-mapping.dmp

Download
memory/2220-120-0x0000000000570000-0x00000000006BA000-memory.dmp

Filesize
1.3MB

Download
memory/2220-118-0x0000000000A40000-0x0000000000D60000-memory.dmp

Filesize
3.1MB

Download
memory/2220-117-0x000000000041D4E0-mapping.dmp

Download
memory/2220-116-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3028-128-0x00000000049E0000-0x0000000004AB2000-memory.dmp

Filesize
840KB

Download
memory/3028-121-0x0000000002690000-0x0000000002744000-memory.dmp

Filesize
720KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads