xloader | 0944f78b8f2bd0e3a08c56793f90cc82ac064789018cf04a2fde5476055d1214

General

Target

inquiry10204168.xlsx
Size

2.4MB
MD5

d21391378bff7acab49dfce8761978f1
SHA1

c4a02857537b6b300f7ad279a6fe5660a473bda2
SHA256

0944f78b8f2bd0e3a08c56793f90cc82ac064789018cf04a2fde5476055d1214
SHA512

b2d7100141d27f01f3bf369a41b143350f94d01cb923995edd028d0c148e6b97660164f8d9b610cecde22d28db1dccc979f5942adc3bbd65f3d41e5396c08edb

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

C2

http://www.856380692.xyz/nsag/

Decoy

usopencoverage.com

5bo5j.com

deliveryourvote.com

bestbuycarpethd.com

worldsourcecloud.com

glowtheblog.com

translations.tools

ithacapella.com

machinerysubway.com

aashlokhospitals.com

athara-kiano.com

anabittencourt.com

hakimkhawatmi.com

fashionwatchesstore.com

krishnagiri.info

tencenttexts.com

kodairo.com

ouitum.club

robertbeauford.net

polling.asia

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/912-17-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/1836-23-0x00000000000D0000-0x00000000000F8000-memory.dmp	xloader

Blocklisted process makes network request 2 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 1976 EQNEDT32.EXE
8 1976 EQNEDT32.EXE
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1012 vbc.exe
912 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXEvbc.exe

pid process

1976 EQNEDT32.EXE
1976 EQNEDT32.EXE
1976 EQNEDT32.EXE
1012 vbc.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
6	1976	EQNEDT32.EXE
8	1976	EQNEDT32.EXE

pid	process
1976	EQNEDT32.EXE
1976	EQNEDT32.EXE
1976	EQNEDT32.EXE
1012	vbc.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exesystray.exe

description	pid	process	target process
PID 1012 set thread context of 912	1012	vbc.exe	vbc.exe
PID 912 set thread context of 1256	912	vbc.exe	Explorer.EXE
PID 1836 set thread context of 1256	1836	systray.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 12 IoCs

installer

Processes:

resource	yara_rule
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
C:\Users\Public\vbc.exe	nsis_installer_1
C:\Users\Public\vbc.exe	nsis_installer_2
C:\Users\Public\vbc.exe	nsis_installer_1
C:\Users\Public\vbc.exe	nsis_installer_2
C:\Users\Public\vbc.exe	nsis_installer_1
C:\Users\Public\vbc.exe	nsis_installer_2

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

1976 EQNEDT32.EXE

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

pid	process
1976	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1804 EXCEL.EXE

pid	process
1804	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 32 IoCs

Processes:

vbc.exevbc.exesystray.exe

pid	process
1012	vbc.exe
1012	vbc.exe
1012	vbc.exe
1012	vbc.exe
912	vbc.exe
912	vbc.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe
1836	systray.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

vbc.exevbc.exesystray.exe

pid process

1012 vbc.exe
912 vbc.exe
912 vbc.exe
912 vbc.exe
1836 systray.exe
1836 systray.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

vbc.exesystray.exe

description pid process

Token: SeDebugPrivilege 912 vbc.exe
Token: SeDebugPrivilege 1836 systray.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1804 EXCEL.EXE
1804 EXCEL.EXE
1804 EXCEL.EXE

description	pid	process
Token: SeDebugPrivilege	912	vbc.exe
Token: SeDebugPrivilege	1836	systray.exe

pid	process
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE

pid	process
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE

pid	process
1804	EXCEL.EXE
1804	EXCEL.EXE
1804	EXCEL.EXE

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 1976 wrote to memory of 1012	1976	EQNEDT32.EXE	vbc.exe
PID 1976 wrote to memory of 1012	1976	EQNEDT32.EXE	vbc.exe
PID 1976 wrote to memory of 1012	1976	EQNEDT32.EXE	vbc.exe
PID 1976 wrote to memory of 1012	1976	EQNEDT32.EXE	vbc.exe
PID 1012 wrote to memory of 912	1012	vbc.exe	vbc.exe
PID 1012 wrote to memory of 912	1012	vbc.exe	vbc.exe
PID 1012 wrote to memory of 912	1012	vbc.exe	vbc.exe
PID 1012 wrote to memory of 912	1012	vbc.exe	vbc.exe
PID 1012 wrote to memory of 912	1012	vbc.exe	vbc.exe
PID 1256 wrote to memory of 1836	1256	Explorer.EXE	systray.exe
PID 1256 wrote to memory of 1836	1256	Explorer.EXE	systray.exe
PID 1256 wrote to memory of 1836	1256	Explorer.EXE	systray.exe
PID 1256 wrote to memory of 1836	1256	Explorer.EXE	systray.exe
PID 1836 wrote to memory of 1576	1836	systray.exe	cmd.exe
PID 1836 wrote to memory of 1576	1836	systray.exe	cmd.exe
PID 1836 wrote to memory of 1576	1836	systray.exe	cmd.exe
PID 1836 wrote to memory of 1576	1836	systray.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1256

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\inquiry10204168.xlsx
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1804

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1836

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1576

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:1976

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1012

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
PID:912

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

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\vbc.exe
MD5
f7ab1c6e6623676d14665c84fdc9aee4

SHA1
6d5b39ada2ead78c8977cb917cfee6e83180116f

SHA256
e6e9f774351440aef9b0b309282155ad0258f6e97da820170384454711e4bef8

SHA512
71239d2d161879d13053f3512a57a84fd9a86e907874075a7f6f143e6b96b0f64c5e933a4fb15d7deb4c3723ca8d1856723b7d8efa82ced17879f7f30c6483cf

Download Submit
C:\Users\Public\vbc.exe
MD5
f7ab1c6e6623676d14665c84fdc9aee4

SHA1
6d5b39ada2ead78c8977cb917cfee6e83180116f

SHA256
e6e9f774351440aef9b0b309282155ad0258f6e97da820170384454711e4bef8

SHA512
71239d2d161879d13053f3512a57a84fd9a86e907874075a7f6f143e6b96b0f64c5e933a4fb15d7deb4c3723ca8d1856723b7d8efa82ced17879f7f30c6483cf

Download Submit
C:\Users\Public\vbc.exe
MD5
f7ab1c6e6623676d14665c84fdc9aee4

SHA1
6d5b39ada2ead78c8977cb917cfee6e83180116f

SHA256
e6e9f774351440aef9b0b309282155ad0258f6e97da820170384454711e4bef8

SHA512
71239d2d161879d13053f3512a57a84fd9a86e907874075a7f6f143e6b96b0f64c5e933a4fb15d7deb4c3723ca8d1856723b7d8efa82ced17879f7f30c6483cf

Download Submit
\Users\Admin\AppData\Local\Temp\nsi8F65.tmp\93ni8zi9fd1f.dll
MD5
6bb21314f484e79d6d6e4b2329ee68ef

SHA1
e988cdc158cf6eb71e19afc946812d77f02ff370

SHA256
c7f2500459484d1df8d6a2c6a391d39ba79c1343412eb0231d036fb036b0368a

SHA512
ea1e7341484cb41d8081a6d018fb1f383727613cf228aa9fabb32405c8c8159d68e8572e5e0eb85b40de6538c540d837ee7b96c886739b449dd1b93c75ce1c09

Download Submit
\Users\Public\vbc.exe
MD5
f7ab1c6e6623676d14665c84fdc9aee4

SHA1
6d5b39ada2ead78c8977cb917cfee6e83180116f

SHA256
e6e9f774351440aef9b0b309282155ad0258f6e97da820170384454711e4bef8

SHA512
71239d2d161879d13053f3512a57a84fd9a86e907874075a7f6f143e6b96b0f64c5e933a4fb15d7deb4c3723ca8d1856723b7d8efa82ced17879f7f30c6483cf

Download Submit
\Users\Public\vbc.exe
MD5
f7ab1c6e6623676d14665c84fdc9aee4

SHA1
6d5b39ada2ead78c8977cb917cfee6e83180116f

SHA256
e6e9f774351440aef9b0b309282155ad0258f6e97da820170384454711e4bef8

SHA512
71239d2d161879d13053f3512a57a84fd9a86e907874075a7f6f143e6b96b0f64c5e933a4fb15d7deb4c3723ca8d1856723b7d8efa82ced17879f7f30c6483cf

Download Submit
\Users\Public\vbc.exe
MD5
f7ab1c6e6623676d14665c84fdc9aee4

SHA1
6d5b39ada2ead78c8977cb917cfee6e83180116f

SHA256
e6e9f774351440aef9b0b309282155ad0258f6e97da820170384454711e4bef8

SHA512
71239d2d161879d13053f3512a57a84fd9a86e907874075a7f6f143e6b96b0f64c5e933a4fb15d7deb4c3723ca8d1856723b7d8efa82ced17879f7f30c6483cf

Download Submit
memory/652-6-0x000007FEF7E50000-0x000007FEF80CA000-memory.dmp

Filesize
2.5MB

Download
memory/912-15-0x000000000041D000-mapping.dmp

Download
memory/912-19-0x00000000002B0000-0x00000000002C0000-memory.dmp

Filesize
64KB

Download
memory/912-17-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/912-18-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download
memory/1012-10-0x0000000000000000-mapping.dmp

Download
memory/1256-27-0x00000000050F0000-0x00000000051CF000-memory.dmp

Filesize
892KB

Download
memory/1256-20-0x0000000006530000-0x000000000662D000-memory.dmp

Filesize
1012KB

Download
memory/1576-25-0x0000000000000000-mapping.dmp

Download
memory/1804-3-0x0000000071BA1000-0x0000000071BA3000-memory.dmp

Filesize
8KB

Download
memory/1804-2-0x000000002F111000-0x000000002F114000-memory.dmp

Filesize
12KB

Download
memory/1804-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1836-21-0x0000000000000000-mapping.dmp

Download
memory/1836-22-0x0000000000C90000-0x0000000000C95000-memory.dmp

Filesize
20KB

Download
memory/1836-23-0x00000000000D0000-0x00000000000F8000-memory.dmp

Filesize
160KB

Download
memory/1836-24-0x00000000020A0000-0x00000000023A3000-memory.dmp

Filesize
3.0MB

Download
memory/1836-26-0x00000000003C0000-0x000000000044F000-memory.dmp

Filesize
572KB

Download
memory/1976-5-0x00000000767C1000-0x00000000767C3000-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