xloader | 48d0ccf6fdb10d9f0d93f8f29bea21d517a7ab2c849c1dd3cb42e025ddf1b555

General

Target

MV DINA QUEEN.xlsx
Size

362KB
MD5

fbfc394ab56cdb94824a714d6df7bd85
SHA1

1d83fbbee591cfba2e0a87f62b7678f93d2ae688
SHA256

48d0ccf6fdb10d9f0d93f8f29bea21d517a7ab2c849c1dd3cb42e025ddf1b555
SHA512

012c1471b6dac6796999d85b99b365d5e267f9d87a81dadf836b65cf83471edc8deeba446f0770d870ff8c975a9cfdec692b3f9a33bcec19e28e79f15be78dd5

Score

10^/10

xloader arup loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

arup

C2

http://www.sapphiretype.com/arup/

Decoy

mezonpezon.com

bellapbd.com

xn--2kr800ab2z.group

cupecoysuites.com

extractselect.com

cherrycooky.com

reshawna.com

bluewinetours.com

dez2fly.com

washedproductions.com

om-asahi-kasei-jp.com

talkingpoint.tours

avaspacecompany.com

fbtvmall.com

trocaoferta.com

mionegozio.com

reitschuetz.com

basepicks.com

networkagricity.com

kastore.club

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1744-77-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1744-78-0x000000000041D4B0-mapping.dmp	xloader
behavioral1/memory/1540-88-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 2040 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1692 vbc.exe
1744 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

2040 EQNEDT32.EXE
2040 EQNEDT32.EXE
2040 EQNEDT32.EXE
2040 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
4	2040	EQNEDT32.EXE

pid	process
1692	vbc.exe
1744	vbc.exe

pid	process
2040	EQNEDT32.EXE
2040	EQNEDT32.EXE
2040	EQNEDT32.EXE
2040	EQNEDT32.EXE

Suspicious use of SetThreadContext 4 IoCs

Processes:

vbc.exevbc.exewlanext.exe

description	pid	process	target process
PID 1692 set thread context of 1744	1692	vbc.exe	vbc.exe
PID 1744 set thread context of 1208	1744	vbc.exe	Explorer.EXE
PID 1744 set thread context of 1208	1744	vbc.exe	Explorer.EXE
PID 1540 set thread context of 1208	1540	wlanext.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

2040 EQNEDT32.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

pid	process
2040	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1652 EXCEL.EXE

pid	process
1652	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

vbc.exewlanext.exe

pid	process
1744	vbc.exe
1744	vbc.exe
1744	vbc.exe
1540	wlanext.exe
1540	wlanext.exe
1540	wlanext.exe
1540	wlanext.exe
1540	wlanext.exe
1540	wlanext.exe
1540	wlanext.exe
1540	wlanext.exe
1540	wlanext.exe
1540	wlanext.exe
1540	wlanext.exe
1540	wlanext.exe
1540	wlanext.exe
1540	wlanext.exe
1540	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

vbc.exewlanext.exe

pid process

1744 vbc.exe
1744 vbc.exe
1744 vbc.exe
1744 vbc.exe
1540 wlanext.exe
1540 wlanext.exe

pid	process
1208	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

vbc.exewlanext.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1744	vbc.exe
Token: SeDebugPrivilege	1540	wlanext.exe
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
Suspicious use of SendNotifyMessage 7 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1652 EXCEL.EXE
1652 EXCEL.EXE
1652 EXCEL.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE

pid	process
1652	EXCEL.EXE
1652	EXCEL.EXE
1652	EXCEL.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

EQNEDT32.EXEvbc.exevbc.exewlanext.exe

description	pid	process	target process
PID 2040 wrote to memory of 1692	2040	EQNEDT32.EXE	vbc.exe
PID 2040 wrote to memory of 1692	2040	EQNEDT32.EXE	vbc.exe
PID 2040 wrote to memory of 1692	2040	EQNEDT32.EXE	vbc.exe
PID 2040 wrote to memory of 1692	2040	EQNEDT32.EXE	vbc.exe
PID 1692 wrote to memory of 1744	1692	vbc.exe	vbc.exe
PID 1692 wrote to memory of 1744	1692	vbc.exe	vbc.exe
PID 1692 wrote to memory of 1744	1692	vbc.exe	vbc.exe
PID 1692 wrote to memory of 1744	1692	vbc.exe	vbc.exe
PID 1692 wrote to memory of 1744	1692	vbc.exe	vbc.exe
PID 1692 wrote to memory of 1744	1692	vbc.exe	vbc.exe
PID 1692 wrote to memory of 1744	1692	vbc.exe	vbc.exe
PID 1744 wrote to memory of 1540	1744	vbc.exe	wlanext.exe
PID 1744 wrote to memory of 1540	1744	vbc.exe	wlanext.exe
PID 1744 wrote to memory of 1540	1744	vbc.exe	wlanext.exe
PID 1744 wrote to memory of 1540	1744	vbc.exe	wlanext.exe
PID 1540 wrote to memory of 1592	1540	wlanext.exe	cmd.exe
PID 1540 wrote to memory of 1592	1540	wlanext.exe	cmd.exe
PID 1540 wrote to memory of 1592	1540	wlanext.exe	cmd.exe
PID 1540 wrote to memory of 1592	1540	wlanext.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1208

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\MV DINA QUEEN.xlsx"
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1652

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:2040

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1692

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
5⤵
PID:1592

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Public\vbc.exe
MD5
859a1a6574e4a09027f729908318b282

SHA1
bf7c9e96ca263d7811f7357f8645af42b04c093b

SHA256
d84f2a05198d85dd6f2bf606fe6e24f7ca929cff9796d6b7f269bb8e7cf8b2a7

SHA512
4163390db6bf2d8f66e8575e8d116df222e8d72b97037eca614fdb2d94d8cd686c31eb4593ce1164dfc398fe03a7b3ac97bfee61fc2e3ddb27e566c39cb234ec

Download Submit
C:\Users\Public\vbc.exe
MD5
859a1a6574e4a09027f729908318b282

SHA1
bf7c9e96ca263d7811f7357f8645af42b04c093b

SHA256
d84f2a05198d85dd6f2bf606fe6e24f7ca929cff9796d6b7f269bb8e7cf8b2a7

SHA512
4163390db6bf2d8f66e8575e8d116df222e8d72b97037eca614fdb2d94d8cd686c31eb4593ce1164dfc398fe03a7b3ac97bfee61fc2e3ddb27e566c39cb234ec

Download Submit
C:\Users\Public\vbc.exe
MD5
859a1a6574e4a09027f729908318b282

SHA1
bf7c9e96ca263d7811f7357f8645af42b04c093b

SHA256
d84f2a05198d85dd6f2bf606fe6e24f7ca929cff9796d6b7f269bb8e7cf8b2a7

SHA512
4163390db6bf2d8f66e8575e8d116df222e8d72b97037eca614fdb2d94d8cd686c31eb4593ce1164dfc398fe03a7b3ac97bfee61fc2e3ddb27e566c39cb234ec

Download Submit
\Users\Public\vbc.exe
MD5
859a1a6574e4a09027f729908318b282

SHA1
bf7c9e96ca263d7811f7357f8645af42b04c093b

SHA256
d84f2a05198d85dd6f2bf606fe6e24f7ca929cff9796d6b7f269bb8e7cf8b2a7

SHA512
4163390db6bf2d8f66e8575e8d116df222e8d72b97037eca614fdb2d94d8cd686c31eb4593ce1164dfc398fe03a7b3ac97bfee61fc2e3ddb27e566c39cb234ec

Download Submit
\Users\Public\vbc.exe
MD5
859a1a6574e4a09027f729908318b282

SHA1
bf7c9e96ca263d7811f7357f8645af42b04c093b

SHA256
d84f2a05198d85dd6f2bf606fe6e24f7ca929cff9796d6b7f269bb8e7cf8b2a7

SHA512
4163390db6bf2d8f66e8575e8d116df222e8d72b97037eca614fdb2d94d8cd686c31eb4593ce1164dfc398fe03a7b3ac97bfee61fc2e3ddb27e566c39cb234ec

Download Submit
\Users\Public\vbc.exe
MD5
859a1a6574e4a09027f729908318b282

SHA1
bf7c9e96ca263d7811f7357f8645af42b04c093b

SHA256
d84f2a05198d85dd6f2bf606fe6e24f7ca929cff9796d6b7f269bb8e7cf8b2a7

SHA512
4163390db6bf2d8f66e8575e8d116df222e8d72b97037eca614fdb2d94d8cd686c31eb4593ce1164dfc398fe03a7b3ac97bfee61fc2e3ddb27e566c39cb234ec

Download Submit
\Users\Public\vbc.exe
MD5
859a1a6574e4a09027f729908318b282

SHA1
bf7c9e96ca263d7811f7357f8645af42b04c093b

SHA256
d84f2a05198d85dd6f2bf606fe6e24f7ca929cff9796d6b7f269bb8e7cf8b2a7

SHA512
4163390db6bf2d8f66e8575e8d116df222e8d72b97037eca614fdb2d94d8cd686c31eb4593ce1164dfc398fe03a7b3ac97bfee61fc2e3ddb27e566c39cb234ec

Download Submit
memory/1208-94-0x000007FEBFE10000-0x000007FEBFE1A000-memory.dmp

Filesize
40KB

Download
memory/1208-93-0x000007FEF5980000-0x000007FEF5AC3000-memory.dmp

Filesize
1.3MB

Download
memory/1208-92-0x0000000007340000-0x000000000749C000-memory.dmp

Filesize
1.4MB

Download
memory/1208-84-0x0000000006C20000-0x0000000006D76000-memory.dmp

Filesize
1.3MB

Download
memory/1208-82-0x0000000004EA0000-0x0000000004F99000-memory.dmp

Filesize
996KB

Download
memory/1540-85-0x0000000000000000-mapping.dmp

Download
memory/1540-90-0x00000000002C0000-0x0000000000350000-memory.dmp

Filesize
576KB

Download
memory/1540-89-0x0000000002330000-0x0000000002633000-memory.dmp

Filesize
3.0MB

Download
memory/1540-87-0x0000000000F10000-0x0000000000F26000-memory.dmp

Filesize
88KB

Download
memory/1540-88-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1592-86-0x0000000000000000-mapping.dmp

Download
memory/1652-60-0x000000002FF81000-0x000000002FF84000-memory.dmp

Filesize
12KB

Download
memory/1652-61-0x00000000716D1000-0x00000000716D3000-memory.dmp

Filesize
8KB

Download
memory/1652-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1652-91-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1692-73-0x0000000004C70000-0x0000000004C71000-memory.dmp

Filesize
4KB

Download
memory/1692-68-0x0000000000000000-mapping.dmp

Download
memory/1692-71-0x00000000008C0000-0x00000000008C1000-memory.dmp

Filesize
4KB

Download
memory/1692-74-0x0000000000530000-0x0000000000534000-memory.dmp

Filesize
16KB

Download
memory/1692-76-0x00000000040E0000-0x000000000410C000-memory.dmp

Filesize
176KB

Download
memory/1692-75-0x0000000004F80000-0x0000000004FDC000-memory.dmp

Filesize
368KB

Download
memory/1744-83-0x0000000000210000-0x0000000000221000-memory.dmp

Filesize
68KB

Download
memory/1744-81-0x00000000001C0000-0x00000000001D1000-memory.dmp

Filesize
68KB

Download
memory/1744-80-0x0000000000BE0000-0x0000000000EE3000-memory.dmp

Filesize
3.0MB

Download
memory/1744-78-0x000000000041D4B0-mapping.dmp

Download
memory/1744-77-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2040-63-0x0000000076641000-0x0000000076643000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads