xloader | 2a6b9eb5645b5e292c85eeb7236eb00361e74ece1e8debfb33873bc72461a67e

General

Target

PROFORMA-PDA 00GGTBGX00001A.xlsx
Size

362KB
MD5

3428e8b6d05df7add0dd9914432467a0
SHA1

89cd998b04e84731ebd9ec51c3d72ef40b15249e
SHA256

2a6b9eb5645b5e292c85eeb7236eb00361e74ece1e8debfb33873bc72461a67e
SHA512

54844961e87bda2d971c82a506365cf62cdb9918fe98d379101d984883eaf6014e1ab564de5edc6b38f90838895da89a0ec973b5c2a5094833e179646581cd2d

Score

10^/10

xloader 9gdg loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

9gdg

C2

http://www.dechocolate.online/9gdg/

Decoy

cao-catos.ca

humanityumbrella.com

heatherflintford.com

paddyjulian.com

venturedart.com

pimpyoursmile.com

shellbacklabs.com

acesteeisupply.com

socotrajeweltours.com

aykutozden.com

corncobmeal.com

lesbiansforever.com

picknock.com

pawspetreiki.com

waikikidesignco.com

lelittnpasumo4.xyz

billing-updating.info

barangdapo.com

gatorfirerescue.com

jmovt.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 Possible Malicious Macro DL EXE Feb 2016
suricata: ET MALWARE Possible Malicious Macro DL EXE Feb 2016
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1848-72-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1848-73-0x000000000041D4A0-mapping.dmp	xloader
behavioral1/memory/1696-84-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 1180 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

632 vbc.exe
1848 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXEvbc.exe

pid process

1180 EQNEDT32.EXE
1180 EQNEDT32.EXE
1180 EQNEDT32.EXE
632 vbc.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
6	1180	EQNEDT32.EXE

pid	process
632	vbc.exe
1848	vbc.exe

pid	process
1180	EQNEDT32.EXE
1180	EQNEDT32.EXE
1180	EQNEDT32.EXE
632	vbc.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

vbc.exevbc.exewlanext.exe

description	pid	process	target process
PID 632 set thread context of 1848	632	vbc.exe	vbc.exe
PID 1848 set thread context of 1220	1848	vbc.exe	Explorer.EXE
PID 1848 set thread context of 1220	1848	vbc.exe	Explorer.EXE
PID 1696 set thread context of 1220	1696	wlanext.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

1180 EQNEDT32.EXE

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

pid	process
1180	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
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\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	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 (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
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 (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

1708 EXCEL.EXE

pid	process
1708	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

vbc.exewlanext.exe

pid	process
1848	vbc.exe
1848	vbc.exe
1848	vbc.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe
1696	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

vbc.exewlanext.exe

pid process

1848 vbc.exe
1848 vbc.exe
1848 vbc.exe
1848 vbc.exe
1696 wlanext.exe
1696 wlanext.exe

pid	process
1220	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

vbc.exeExplorer.EXEwlanext.exe

description	pid	process
Token: SeDebugPrivilege	1848	vbc.exe
Token: SeShutdownPrivilege	1220	Explorer.EXE
Token: SeDebugPrivilege	1696	wlanext.exe
Token: SeShutdownPrivilege	1220	Explorer.EXE
Token: SeShutdownPrivilege	1220	Explorer.EXE

Suspicious use of FindShellTrayWindow 5 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1708 EXCEL.EXE
1708 EXCEL.EXE
1708 EXCEL.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1708	EXCEL.EXE
1708	EXCEL.EXE
1708	EXCEL.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 1180 wrote to memory of 632	1180	EQNEDT32.EXE	vbc.exe
PID 1180 wrote to memory of 632	1180	EQNEDT32.EXE	vbc.exe
PID 1180 wrote to memory of 632	1180	EQNEDT32.EXE	vbc.exe
PID 1180 wrote to memory of 632	1180	EQNEDT32.EXE	vbc.exe
PID 632 wrote to memory of 1848	632	vbc.exe	vbc.exe
PID 632 wrote to memory of 1848	632	vbc.exe	vbc.exe
PID 632 wrote to memory of 1848	632	vbc.exe	vbc.exe
PID 632 wrote to memory of 1848	632	vbc.exe	vbc.exe
PID 632 wrote to memory of 1848	632	vbc.exe	vbc.exe
PID 632 wrote to memory of 1848	632	vbc.exe	vbc.exe
PID 632 wrote to memory of 1848	632	vbc.exe	vbc.exe
PID 1220 wrote to memory of 1696	1220	Explorer.EXE	wlanext.exe
PID 1220 wrote to memory of 1696	1220	Explorer.EXE	wlanext.exe
PID 1220 wrote to memory of 1696	1220	Explorer.EXE	wlanext.exe
PID 1220 wrote to memory of 1696	1220	Explorer.EXE	wlanext.exe
PID 1696 wrote to memory of 1828	1696	wlanext.exe	cmd.exe
PID 1696 wrote to memory of 1828	1696	wlanext.exe	cmd.exe
PID 1696 wrote to memory of 1828	1696	wlanext.exe	cmd.exe
PID 1696 wrote to memory of 1828	1696	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
- Suspicious use of WriteProcessMemory
PID:1220

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\PROFORMA-PDA 00GGTBGX00001A.xlsx"
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1708

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1788

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1828

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:1180

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:632

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:1848

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
0efbf49197257609b692c8579c7c15cd

SHA1
5390a1eb61e84c9d546178e7c43a810c309f9013

SHA256
6724b4abaf05bc011ee266d499d2eecadd61a305cd0a8e3c099193a3b9323a3c

SHA512
823c648b4a3a196d98446ca9c5177cbd8ac0c753e372daf789ca8f6b3848344160b859de9e0a353d252a37b112abe30f8f5e0a28ceae6da61d47928f80c19a1c

Download Submit
C:\Users\Public\vbc.exe
MD5
0efbf49197257609b692c8579c7c15cd

SHA1
5390a1eb61e84c9d546178e7c43a810c309f9013

SHA256
6724b4abaf05bc011ee266d499d2eecadd61a305cd0a8e3c099193a3b9323a3c

SHA512
823c648b4a3a196d98446ca9c5177cbd8ac0c753e372daf789ca8f6b3848344160b859de9e0a353d252a37b112abe30f8f5e0a28ceae6da61d47928f80c19a1c

Download Submit
C:\Users\Public\vbc.exe
MD5
0efbf49197257609b692c8579c7c15cd

SHA1
5390a1eb61e84c9d546178e7c43a810c309f9013

SHA256
6724b4abaf05bc011ee266d499d2eecadd61a305cd0a8e3c099193a3b9323a3c

SHA512
823c648b4a3a196d98446ca9c5177cbd8ac0c753e372daf789ca8f6b3848344160b859de9e0a353d252a37b112abe30f8f5e0a28ceae6da61d47928f80c19a1c

Download Submit
\Users\Admin\AppData\Local\Temp\nsa3A13.tmp\iynunsqb.dll
MD5
fdb24702ac3d38f586aa0343d71ba1d5

SHA1
662c61e11802ae875d864c6b8002ecfa5d7872f1

SHA256
e2bd42815d0ad61ad0f55056b9e78939a025f8b63c204afbf1ea1abf64adb71c

SHA512
26a86d2a7c7a4ef06e562e8cf2a40fd343b721539ef1808de6e1c6fa75a3bd1e2e3b85542aad76264792e776439e9dd1fe4fc282dee7a32948e2caa03a8e7051

Download Submit
\Users\Public\vbc.exe
MD5
0efbf49197257609b692c8579c7c15cd

SHA1
5390a1eb61e84c9d546178e7c43a810c309f9013

SHA256
6724b4abaf05bc011ee266d499d2eecadd61a305cd0a8e3c099193a3b9323a3c

SHA512
823c648b4a3a196d98446ca9c5177cbd8ac0c753e372daf789ca8f6b3848344160b859de9e0a353d252a37b112abe30f8f5e0a28ceae6da61d47928f80c19a1c

Download Submit
\Users\Public\vbc.exe
MD5
0efbf49197257609b692c8579c7c15cd

SHA1
5390a1eb61e84c9d546178e7c43a810c309f9013

SHA256
6724b4abaf05bc011ee266d499d2eecadd61a305cd0a8e3c099193a3b9323a3c

SHA512
823c648b4a3a196d98446ca9c5177cbd8ac0c753e372daf789ca8f6b3848344160b859de9e0a353d252a37b112abe30f8f5e0a28ceae6da61d47928f80c19a1c

Download Submit
\Users\Public\vbc.exe
MD5
0efbf49197257609b692c8579c7c15cd

SHA1
5390a1eb61e84c9d546178e7c43a810c309f9013

SHA256
6724b4abaf05bc011ee266d499d2eecadd61a305cd0a8e3c099193a3b9323a3c

SHA512
823c648b4a3a196d98446ca9c5177cbd8ac0c753e372daf789ca8f6b3848344160b859de9e0a353d252a37b112abe30f8f5e0a28ceae6da61d47928f80c19a1c

Download Submit
memory/632-67-0x0000000000000000-mapping.dmp

Download
memory/1180-63-0x00000000762C1000-0x00000000762C3000-memory.dmp

Filesize
8KB

Download
memory/1220-80-0x00000000070B0000-0x0000000007225000-memory.dmp

Filesize
1.5MB

Download
memory/1220-78-0x0000000002B10000-0x0000000002B20000-memory.dmp

Filesize
64KB

Download
memory/1220-77-0x0000000006130000-0x0000000006241000-memory.dmp

Filesize
1.1MB

Download
memory/1220-87-0x0000000003EB0000-0x0000000003F58000-memory.dmp

Filesize
672KB

Download
memory/1696-86-0x00000000007B0000-0x0000000000840000-memory.dmp

Filesize
576KB

Download
memory/1696-85-0x0000000001FE0000-0x00000000022E3000-memory.dmp

Filesize
3.0MB

Download
memory/1696-83-0x0000000000A30000-0x0000000000A46000-memory.dmp

Filesize
88KB

Download
memory/1696-84-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/1696-81-0x0000000000000000-mapping.dmp

Download
memory/1708-61-0x0000000071CA1000-0x0000000071CA3000-memory.dmp

Filesize
8KB

Download
memory/1708-88-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1708-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1708-60-0x000000002F2C1000-0x000000002F2C4000-memory.dmp

Filesize
12KB

Download
memory/1828-82-0x0000000000000000-mapping.dmp

Download
memory/1848-79-0x00000000005C0000-0x00000000005D1000-memory.dmp

Filesize
68KB

Download
memory/1848-75-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/1848-76-0x00000000002D0000-0x00000000002E1000-memory.dmp

Filesize
68KB

Download
memory/1848-73-0x000000000041D4A0-mapping.dmp

Download
memory/1848-72-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads