xloader | 012cca592dca94980a85020ffbddc96dd1bafc547d577d58f853d39e3c20d125

General

Target

Finalised With Changes.docx
Size

10KB
MD5

6c09cfa2a148680caa675b37cc908d92
SHA1

e56e4c7405c2debb2f8e4f572e5ac50bb5999f3b
SHA256

012cca592dca94980a85020ffbddc96dd1bafc547d577d58f853d39e3c20d125
SHA512

cd8af3833888cb612d902716afc27aecbb6cc97c9cee0ae6eae18bda78571e573c90a77bd22524022fc851166b0cbb7015971c9f17d4dcd6c7047559625060b9

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.etnttcil.com/usur/

Decoy

purpopup.com

mrswarrenspodcast.com

blinbins.com

parahomeoffice.com

20next.com

quiala.com

newccosecurity.net

throughthehagstone.com

hnxslawfirm.com

sztoium.icu

fullembodiedwoman.com

sankara-yoga.com

foottrafficcollective.com

acruxvacations.com

jadeena.com

neurotypicalspouse.com

onlyinwallkill.com

laurenkilbane.com

thebendavonte.com

regencydevelopmentstoronto.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1540-78-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/1540-79-0x000000000041D020-mapping.dmp	xloader
behavioral1/memory/1300-90-0x0000000000090000-0x00000000000B8000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

13 980 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

860 vbc.exe
1540 vbc.exe

flow	pid	process
13	980	EQNEDT32.EXE

pid	process
860	vbc.exe
1540	vbc.exe

Abuses OpenXML format to download file from external location 2 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key opened	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Office\Common\Offline\Files\https://itsssl.com/uUWXb	WINWORD.EXE

Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

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

Scripting
T1064

pid	process
980	EQNEDT32.EXE
980	EQNEDT32.EXE
980	EQNEDT32.EXE
980	EQNEDT32.EXE

Suspicious use of SetThreadContext 4 IoCs

Processes:

vbc.exevbc.exewuapp.exe

description	pid	process	target process
PID 860 set thread context of 1540	860	vbc.exe	vbc.exe
PID 1540 set thread context of 1288	1540	vbc.exe	Explorer.EXE
PID 1540 set thread context of 1288	1540	vbc.exe	Explorer.EXE
PID 1300 set thread context of 1288	1300	wuapp.exe	Explorer.EXE

Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Office loads VBA resources, possible macro or embedded object present
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

980 EQNEDT32.EXE

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

pid	process
980	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.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"	WINWORD.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"	WINWORD.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"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.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"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1084 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

vbc.exewuapp.exe

pid process

1540 vbc.exe
1540 vbc.exe
1540 vbc.exe
1300 wuapp.exe
1300 wuapp.exe
1300 wuapp.exe
1300 wuapp.exe
1300 wuapp.exe
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

vbc.exewuapp.exe

pid process

1540 vbc.exe
1540 vbc.exe
1540 vbc.exe
1540 vbc.exe
1300 wuapp.exe
1300 wuapp.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vbc.exewuapp.exeExplorer.EXE

description pid process

Token: SeDebugPrivilege 1540 vbc.exe
Token: SeDebugPrivilege 1300 wuapp.exe
Token: SeShutdownPrivilege 1288 Explorer.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1084 WINWORD.EXE
1084 WINWORD.EXE

pid	process
1084	WINWORD.EXE

pid	process
1540	vbc.exe
1540	vbc.exe
1540	vbc.exe
1300	wuapp.exe
1300	wuapp.exe
1300	wuapp.exe
1300	wuapp.exe
1300	wuapp.exe

pid	process
1540	vbc.exe
1540	vbc.exe
1540	vbc.exe
1540	vbc.exe
1300	wuapp.exe
1300	wuapp.exe

description	pid	process
Token: SeDebugPrivilege	1540	vbc.exe
Token: SeDebugPrivilege	1300	wuapp.exe
Token: SeShutdownPrivilege	1288	Explorer.EXE

pid	process
1084	WINWORD.EXE
1084	WINWORD.EXE

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEvbc.exevbc.exewuapp.exe

description	pid	process	target process
PID 980 wrote to memory of 860	980	EQNEDT32.EXE	vbc.exe
PID 980 wrote to memory of 860	980	EQNEDT32.EXE	vbc.exe
PID 980 wrote to memory of 860	980	EQNEDT32.EXE	vbc.exe
PID 980 wrote to memory of 860	980	EQNEDT32.EXE	vbc.exe
PID 1084 wrote to memory of 1756	1084	WINWORD.EXE	splwow64.exe
PID 1084 wrote to memory of 1756	1084	WINWORD.EXE	splwow64.exe
PID 1084 wrote to memory of 1756	1084	WINWORD.EXE	splwow64.exe
PID 1084 wrote to memory of 1756	1084	WINWORD.EXE	splwow64.exe
PID 860 wrote to memory of 1540	860	vbc.exe	vbc.exe
PID 860 wrote to memory of 1540	860	vbc.exe	vbc.exe
PID 860 wrote to memory of 1540	860	vbc.exe	vbc.exe
PID 860 wrote to memory of 1540	860	vbc.exe	vbc.exe
PID 860 wrote to memory of 1540	860	vbc.exe	vbc.exe
PID 860 wrote to memory of 1540	860	vbc.exe	vbc.exe
PID 860 wrote to memory of 1540	860	vbc.exe	vbc.exe
PID 1540 wrote to memory of 1300	1540	vbc.exe	wuapp.exe
PID 1540 wrote to memory of 1300	1540	vbc.exe	wuapp.exe
PID 1540 wrote to memory of 1300	1540	vbc.exe	wuapp.exe
PID 1540 wrote to memory of 1300	1540	vbc.exe	wuapp.exe
PID 1540 wrote to memory of 1300	1540	vbc.exe	wuapp.exe
PID 1540 wrote to memory of 1300	1540	vbc.exe	wuapp.exe
PID 1540 wrote to memory of 1300	1540	vbc.exe	wuapp.exe
PID 1300 wrote to memory of 916	1300	wuapp.exe	cmd.exe
PID 1300 wrote to memory of 916	1300	wuapp.exe	cmd.exe
PID 1300 wrote to memory of 916	1300	wuapp.exe	cmd.exe
PID 1300 wrote to memory of 916	1300	wuapp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1288

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Finalised With Changes.docx"
2⤵
- Abuses OpenXML format to download file from external location
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1084

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
3⤵
PID:1756

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:980

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:860

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:1540

C:\Windows\SysWOW64\wuapp.exe
"C:\Windows\SysWOW64\wuapp.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1300

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
5⤵
PID:916

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\vbc.exe
MD5
8939dd2697f5145f6eb5e034614e7ecb

SHA1
884be97f54895461ff2760887f239456d3bbcc30

SHA256
d3bc3ef9f2871efe5ff6565e37a0dcfacf47e4625b34d7bbe69b178698a9a21a

SHA512
6d1559bdd2a8417f3e5014e7e5febfc065bf7c994f70cfb22c17a8eaffe92d55826d5f277c49d1919d5e075a73c39476328c361e72819e739d2178f82020a873

Download Submit
C:\Users\Public\vbc.exe
MD5
8939dd2697f5145f6eb5e034614e7ecb

SHA1
884be97f54895461ff2760887f239456d3bbcc30

SHA256
d3bc3ef9f2871efe5ff6565e37a0dcfacf47e4625b34d7bbe69b178698a9a21a

SHA512
6d1559bdd2a8417f3e5014e7e5febfc065bf7c994f70cfb22c17a8eaffe92d55826d5f277c49d1919d5e075a73c39476328c361e72819e739d2178f82020a873

Download Submit
C:\Users\Public\vbc.exe
MD5
8939dd2697f5145f6eb5e034614e7ecb

SHA1
884be97f54895461ff2760887f239456d3bbcc30

SHA256
d3bc3ef9f2871efe5ff6565e37a0dcfacf47e4625b34d7bbe69b178698a9a21a

SHA512
6d1559bdd2a8417f3e5014e7e5febfc065bf7c994f70cfb22c17a8eaffe92d55826d5f277c49d1919d5e075a73c39476328c361e72819e739d2178f82020a873

Download Submit
\Users\Public\vbc.exe
MD5
8939dd2697f5145f6eb5e034614e7ecb

SHA1
884be97f54895461ff2760887f239456d3bbcc30

SHA256
d3bc3ef9f2871efe5ff6565e37a0dcfacf47e4625b34d7bbe69b178698a9a21a

SHA512
6d1559bdd2a8417f3e5014e7e5febfc065bf7c994f70cfb22c17a8eaffe92d55826d5f277c49d1919d5e075a73c39476328c361e72819e739d2178f82020a873

Download Submit
\Users\Public\vbc.exe
MD5
8939dd2697f5145f6eb5e034614e7ecb

SHA1
884be97f54895461ff2760887f239456d3bbcc30

SHA256
d3bc3ef9f2871efe5ff6565e37a0dcfacf47e4625b34d7bbe69b178698a9a21a

SHA512
6d1559bdd2a8417f3e5014e7e5febfc065bf7c994f70cfb22c17a8eaffe92d55826d5f277c49d1919d5e075a73c39476328c361e72819e739d2178f82020a873

Download Submit
\Users\Public\vbc.exe
MD5
8939dd2697f5145f6eb5e034614e7ecb

SHA1
884be97f54895461ff2760887f239456d3bbcc30

SHA256
d3bc3ef9f2871efe5ff6565e37a0dcfacf47e4625b34d7bbe69b178698a9a21a

SHA512
6d1559bdd2a8417f3e5014e7e5febfc065bf7c994f70cfb22c17a8eaffe92d55826d5f277c49d1919d5e075a73c39476328c361e72819e739d2178f82020a873

Download Submit
\Users\Public\vbc.exe
MD5
8939dd2697f5145f6eb5e034614e7ecb

SHA1
884be97f54895461ff2760887f239456d3bbcc30

SHA256
d3bc3ef9f2871efe5ff6565e37a0dcfacf47e4625b34d7bbe69b178698a9a21a

SHA512
6d1559bdd2a8417f3e5014e7e5febfc065bf7c994f70cfb22c17a8eaffe92d55826d5f277c49d1919d5e075a73c39476328c361e72819e739d2178f82020a873

Download Submit
memory/860-76-0x00000000050B0000-0x000000000512F000-memory.dmp

Filesize
508KB

Download
memory/860-75-0x0000000000590000-0x00000000005AB000-memory.dmp

Filesize
108KB

Download
memory/860-70-0x00000000009E0000-0x00000000009E1000-memory.dmp

Filesize
4KB

Download
memory/860-67-0x0000000000000000-mapping.dmp

Download
memory/860-77-0x0000000002200000-0x0000000002237000-memory.dmp

Filesize
220KB

Download
memory/860-74-0x0000000004D10000-0x0000000004D11000-memory.dmp

Filesize
4KB

Download
memory/916-88-0x0000000000000000-mapping.dmp

Download
memory/980-62-0x00000000752F1000-0x00000000752F3000-memory.dmp

Filesize
8KB

Download
memory/1084-60-0x0000000070321000-0x0000000070323000-memory.dmp

Filesize
8KB

Download
memory/1084-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1084-59-0x00000000728A1000-0x00000000728A4000-memory.dmp

Filesize
12KB

Download
memory/1288-86-0x0000000007380000-0x00000000074E3000-memory.dmp

Filesize
1.4MB

Download
memory/1288-84-0x0000000004FF0000-0x0000000005131000-memory.dmp

Filesize
1.3MB

Download
memory/1300-92-0x0000000000A10000-0x0000000000A9F000-memory.dmp

Filesize
572KB

Download
memory/1300-89-0x0000000000EA0000-0x0000000000EAB000-memory.dmp

Filesize
44KB

Download
memory/1300-91-0x0000000000B70000-0x0000000000E73000-memory.dmp

Filesize
3.0MB

Download
memory/1300-90-0x0000000000090000-0x00000000000B8000-memory.dmp

Filesize
160KB

Download
memory/1300-87-0x0000000000000000-mapping.dmp

Download
memory/1540-85-0x00000000001F0000-0x0000000000200000-memory.dmp

Filesize
64KB

Download
memory/1540-83-0x00000000000B0000-0x00000000000C0000-memory.dmp

Filesize
64KB

Download
memory/1540-82-0x0000000000AC0000-0x0000000000DC3000-memory.dmp

Filesize
3.0MB

Download
memory/1540-79-0x000000000041D020-mapping.dmp

Download
memory/1540-78-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1756-72-0x0000000000000000-mapping.dmp

Download
memory/1756-73-0x000007FEFBD91000-0x000007FEFBD93000-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