xloader | 8e2417d7d83848d639c70725fc66a8d81f46bbbf936b1442fd649ff4f2885c54

General

Target

GLC-2021-E025.xlsx
Size

1.2MB
MD5

0b88672aa208666b2a856b6637517d45
SHA1

6a255c999480b1dc260944d0aa10eebc11cdd994
SHA256

8e2417d7d83848d639c70725fc66a8d81f46bbbf936b1442fd649ff4f2885c54
SHA512

879607423bcb6d80837b34268d1e798f2d9f4394aa4c576954f8a05776b46faab8f7b657a7feaeea2b9ab8e34d41c78bbd9f208572dc20646c0ae9a6192d7e93

Score

10^/10

xloader loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.allodrh.com/qmf6/

Decoy

triloxi.com

blackstogether.com

jctradingllc.com

debbieandlesa.com

badseedsco.com

tjlovers.com

creativeresourcesconsulting.com

ksmjobs.net

reginajohas.net

site123web.com

pracliphardware.com

lunchtimewithtwilyght.com

remotereel.com

spartanmu.com

porter-booking-engine.com

slouberdounces.com

certificationsarchive.com

kat420nip.com

prancegoldholdingsjewels.com

xn--botiqunbotnico-4gb1q.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata
suricata: ET MALWARE Possible Malicious Macro DL EXE Feb 2016
suricata

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1528-76-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/1092-85-0x00000000000C0000-0x00000000000E8000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 1336 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

872 vbc.exe
1528 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

1336 EQNEDT32.EXE
1336 EQNEDT32.EXE
1336 EQNEDT32.EXE
1336 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
6	1336	EQNEDT32.EXE

pid	process
872	vbc.exe
1528	vbc.exe

pid	process
1336	EQNEDT32.EXE
1336	EQNEDT32.EXE
1336	EQNEDT32.EXE
1336	EQNEDT32.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exewininit.exe

description	pid	process	target process
PID 872 set thread context of 1528	872	vbc.exe	vbc.exe
PID 1528 set thread context of 1196	1528	vbc.exe	Explorer.EXE
PID 1092 set thread context of 1196	1092	wininit.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

1336 EQNEDT32.EXE

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

pid	process
1336	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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

736 EXCEL.EXE

pid	process
736	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

vbc.exewininit.exe

pid	process
1528	vbc.exe
1528	vbc.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe
1092	wininit.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

vbc.exevbc.exewininit.exe

pid process

872 vbc.exe
1528 vbc.exe
1528 vbc.exe
1528 vbc.exe
1092 wininit.exe
1092 wininit.exe

pid	process
1196	Explorer.EXE

pid	process
872	vbc.exe
1528	vbc.exe
1528	vbc.exe
1528	vbc.exe
1092	wininit.exe
1092	wininit.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

vbc.exeExplorer.EXEwininit.exe

description	pid	process
Token: SeDebugPrivilege	1528	vbc.exe
Token: SeShutdownPrivilege	1196	Explorer.EXE
Token: SeShutdownPrivilege	1196	Explorer.EXE
Token: SeShutdownPrivilege	1196	Explorer.EXE
Token: SeShutdownPrivilege	1196	Explorer.EXE
Token: SeDebugPrivilege	1092	wininit.exe
Token: SeShutdownPrivilege	1196	Explorer.EXE
Token: SeShutdownPrivilege	1196	Explorer.EXE
Token: SeShutdownPrivilege	1196	Explorer.EXE
Token: SeShutdownPrivilege	1196	Explorer.EXE

Suspicious use of FindShellTrayWindow 6 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

736 EXCEL.EXE
736 EXCEL.EXE
736 EXCEL.EXE
736 EXCEL.EXE
736 EXCEL.EXE

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

pid	process
736	EXCEL.EXE
736	EXCEL.EXE
736	EXCEL.EXE
736	EXCEL.EXE
736	EXCEL.EXE

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEwininit.exe

description	pid	process	target process
PID 1336 wrote to memory of 872	1336	EQNEDT32.EXE	vbc.exe
PID 1336 wrote to memory of 872	1336	EQNEDT32.EXE	vbc.exe
PID 1336 wrote to memory of 872	1336	EQNEDT32.EXE	vbc.exe
PID 1336 wrote to memory of 872	1336	EQNEDT32.EXE	vbc.exe
PID 872 wrote to memory of 1528	872	vbc.exe	vbc.exe
PID 872 wrote to memory of 1528	872	vbc.exe	vbc.exe
PID 872 wrote to memory of 1528	872	vbc.exe	vbc.exe
PID 872 wrote to memory of 1528	872	vbc.exe	vbc.exe
PID 872 wrote to memory of 1528	872	vbc.exe	vbc.exe
PID 1196 wrote to memory of 1092	1196	Explorer.EXE	wininit.exe
PID 1196 wrote to memory of 1092	1196	Explorer.EXE	wininit.exe
PID 1196 wrote to memory of 1092	1196	Explorer.EXE	wininit.exe
PID 1196 wrote to memory of 1092	1196	Explorer.EXE	wininit.exe
PID 1092 wrote to memory of 1824	1092	wininit.exe	cmd.exe
PID 1092 wrote to memory of 1824	1092	wininit.exe	cmd.exe
PID 1092 wrote to memory of 1824	1092	wininit.exe	cmd.exe
PID 1092 wrote to memory of 1824	1092	wininit.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:1196

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\GLC-2021-E025.xlsx
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:736

C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1824

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:1336

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:872

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:1528

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

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Downloads

C:\Users\Public\vbc.exe
MD5
f0ed2e7cf6f9f1d1c50685e851a06412

SHA1
3d0949bc857db236e56c495d6a570e54bd09d6c8

SHA256
ed97e9802edd407c13fe0fa214582d2c4623797bb0c38b0b583a1d919d078284

SHA512
23141f5ab73b9ced48e51a77b57dc3d5eb37ae23d768addf326b22ffdef7b01118746728643fe267071c6863a04a6a72c2937998d40efa7cdfb84c3a918535cf

Download Submit
C:\Users\Public\vbc.exe
MD5
f0ed2e7cf6f9f1d1c50685e851a06412

SHA1
3d0949bc857db236e56c495d6a570e54bd09d6c8

SHA256
ed97e9802edd407c13fe0fa214582d2c4623797bb0c38b0b583a1d919d078284

SHA512
23141f5ab73b9ced48e51a77b57dc3d5eb37ae23d768addf326b22ffdef7b01118746728643fe267071c6863a04a6a72c2937998d40efa7cdfb84c3a918535cf

Download Submit
C:\Users\Public\vbc.exe
MD5
f0ed2e7cf6f9f1d1c50685e851a06412

SHA1
3d0949bc857db236e56c495d6a570e54bd09d6c8

SHA256
ed97e9802edd407c13fe0fa214582d2c4623797bb0c38b0b583a1d919d078284

SHA512
23141f5ab73b9ced48e51a77b57dc3d5eb37ae23d768addf326b22ffdef7b01118746728643fe267071c6863a04a6a72c2937998d40efa7cdfb84c3a918535cf

Download Submit
\Users\Public\vbc.exe
MD5
f0ed2e7cf6f9f1d1c50685e851a06412

SHA1
3d0949bc857db236e56c495d6a570e54bd09d6c8

SHA256
ed97e9802edd407c13fe0fa214582d2c4623797bb0c38b0b583a1d919d078284

SHA512
23141f5ab73b9ced48e51a77b57dc3d5eb37ae23d768addf326b22ffdef7b01118746728643fe267071c6863a04a6a72c2937998d40efa7cdfb84c3a918535cf

Download Submit
\Users\Public\vbc.exe
MD5
f0ed2e7cf6f9f1d1c50685e851a06412

SHA1
3d0949bc857db236e56c495d6a570e54bd09d6c8

SHA256
ed97e9802edd407c13fe0fa214582d2c4623797bb0c38b0b583a1d919d078284

SHA512
23141f5ab73b9ced48e51a77b57dc3d5eb37ae23d768addf326b22ffdef7b01118746728643fe267071c6863a04a6a72c2937998d40efa7cdfb84c3a918535cf

Download Submit
\Users\Public\vbc.exe
MD5
f0ed2e7cf6f9f1d1c50685e851a06412

SHA1
3d0949bc857db236e56c495d6a570e54bd09d6c8

SHA256
ed97e9802edd407c13fe0fa214582d2c4623797bb0c38b0b583a1d919d078284

SHA512
23141f5ab73b9ced48e51a77b57dc3d5eb37ae23d768addf326b22ffdef7b01118746728643fe267071c6863a04a6a72c2937998d40efa7cdfb84c3a918535cf

Download Submit
\Users\Public\vbc.exe
MD5
f0ed2e7cf6f9f1d1c50685e851a06412

SHA1
3d0949bc857db236e56c495d6a570e54bd09d6c8

SHA256
ed97e9802edd407c13fe0fa214582d2c4623797bb0c38b0b583a1d919d078284

SHA512
23141f5ab73b9ced48e51a77b57dc3d5eb37ae23d768addf326b22ffdef7b01118746728643fe267071c6863a04a6a72c2937998d40efa7cdfb84c3a918535cf

Download Submit
memory/736-84-0x0000000006190000-0x0000000006DDA000-memory.dmp

Filesize
12.3MB

Download
memory/736-80-0x0000000006190000-0x0000000006DDA000-memory.dmp

Filesize
12.3MB

Download
memory/736-91-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/736-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/736-82-0x0000000006190000-0x0000000006DDA000-memory.dmp

Filesize
12.3MB

Download
memory/736-61-0x0000000070F51000-0x0000000070F53000-memory.dmp

Filesize
8KB

Download
memory/736-83-0x0000000006190000-0x0000000006DDA000-memory.dmp

Filesize
12.3MB

Download
memory/736-60-0x000000002F321000-0x000000002F324000-memory.dmp

Filesize
12KB

Download
memory/872-74-0x00000000001B0000-0x00000000001B2000-memory.dmp

Filesize
8KB

Download
memory/872-68-0x0000000000000000-mapping.dmp

Download
memory/1092-87-0x0000000001FD0000-0x00000000022D3000-memory.dmp

Filesize
3.0MB

Download
memory/1092-79-0x0000000000000000-mapping.dmp

Download
memory/1092-81-0x00000000006E0000-0x00000000006FA000-memory.dmp

Filesize
104KB

Download
memory/1092-88-0x0000000000410000-0x000000000049F000-memory.dmp

Filesize
572KB

Download
memory/1092-85-0x00000000000C0000-0x00000000000E8000-memory.dmp

Filesize
160KB

Download
memory/1196-78-0x0000000003AE0000-0x0000000003BE9000-memory.dmp

Filesize
1.0MB

Download
memory/1196-89-0x0000000006F60000-0x00000000070E3000-memory.dmp

Filesize
1.5MB

Download
memory/1336-63-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/1528-76-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1528-72-0x000000000041D030-mapping.dmp

Download
memory/1528-75-0x00000000006E0000-0x00000000009E3000-memory.dmp

Filesize
3.0MB

Download
memory/1528-77-0x0000000000290000-0x00000000002A0000-memory.dmp

Filesize
64KB

Download
memory/1824-86-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads