xloader | 712a54a86587b69b9520604ddc0f1257298b086cc96b526b5ee9e18a4daddb6d

General

Target

payment detail.xlsx
Size

1.3MB
MD5

6eb0b98b71b47226880cf66454012b21
SHA1

775fa55b338f7409f5f505e1e453177f02a5014c
SHA256

712a54a86587b69b9520604ddc0f1257298b086cc96b526b5ee9e18a4daddb6d
SHA512

2f099c80afd0aa95fb904f556a34a50996d05c631b6e7f8ed45458d9ae6fa794e7d1e27b3e05130a4402a0ef47988ec1c27f9ca74804c34ca17bf9f5a6167481

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.tjbc-bearing.com/u6bi/

Decoy

5588aiai.com

sint-ecommerce.com

epreyn.com

unexpectedbrewing.com

pomiandpam.com

viverdebatatas.com

dirham.world

accademiadelfuturo.net

mengyaheng.com

ilocalrealtor.com

glomiotel.website

metal1sa.com

kslife.net

maxfitnesslakeoconee.com

hoteldeleauvive.com

sidingzhou.com

getvocall.com

basicryptomining.com

indiasofannapolis.com

tresorbrut.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/916-82-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/916-83-0x000000000041D040-mapping.dmp	xloader
behavioral1/memory/240-91-0x00000000000C0000-0x00000000000E8000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 1744 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

948 vbc.exe
916 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

1744 EQNEDT32.EXE
1744 EQNEDT32.EXE
1744 EQNEDT32.EXE
1744 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
6	1744	EQNEDT32.EXE

pid	process
948	vbc.exe
916	vbc.exe

pid	process
1744	EQNEDT32.EXE
1744	EQNEDT32.EXE
1744	EQNEDT32.EXE
1744	EQNEDT32.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exesvchost.exe

description	pid	process	target process
PID 948 set thread context of 916	948	vbc.exe	vbc.exe
PID 916 set thread context of 1228	916	vbc.exe	Explorer.EXE
PID 240 set thread context of 1228	240	svchost.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

1744 EQNEDT32.EXE

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

pid	process
1744	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
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\E&xport to Microsoft Excel	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
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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	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 (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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1756 EXCEL.EXE

pid	process
1756	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

vbc.exesvchost.exe

pid	process
916	vbc.exe
916	vbc.exe
240	svchost.exe
240	svchost.exe
240	svchost.exe
240	svchost.exe
240	svchost.exe
240	svchost.exe
240	svchost.exe
240	svchost.exe
240	svchost.exe
240	svchost.exe
240	svchost.exe
240	svchost.exe
240	svchost.exe
240	svchost.exe
240	svchost.exe
240	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exesvchost.exe

pid process

916 vbc.exe
916 vbc.exe
916 vbc.exe
240 svchost.exe
240 svchost.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vbc.exesvchost.exeExplorer.EXE

description pid process

Token: SeDebugPrivilege 916 vbc.exe
Token: SeDebugPrivilege 240 svchost.exe
Token: SeShutdownPrivilege 1228 Explorer.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1756 EXCEL.EXE
1756 EXCEL.EXE
1756 EXCEL.EXE

description	pid	process
Token: SeDebugPrivilege	916	vbc.exe
Token: SeDebugPrivilege	240	svchost.exe
Token: SeShutdownPrivilege	1228	Explorer.EXE

pid	process
1756	EXCEL.EXE
1756	EXCEL.EXE
1756	EXCEL.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 1744 wrote to memory of 948	1744	EQNEDT32.EXE	vbc.exe
PID 1744 wrote to memory of 948	1744	EQNEDT32.EXE	vbc.exe
PID 1744 wrote to memory of 948	1744	EQNEDT32.EXE	vbc.exe
PID 1744 wrote to memory of 948	1744	EQNEDT32.EXE	vbc.exe
PID 948 wrote to memory of 916	948	vbc.exe	vbc.exe
PID 948 wrote to memory of 916	948	vbc.exe	vbc.exe
PID 948 wrote to memory of 916	948	vbc.exe	vbc.exe
PID 948 wrote to memory of 916	948	vbc.exe	vbc.exe
PID 948 wrote to memory of 916	948	vbc.exe	vbc.exe
PID 948 wrote to memory of 916	948	vbc.exe	vbc.exe
PID 948 wrote to memory of 916	948	vbc.exe	vbc.exe
PID 1228 wrote to memory of 240	1228	Explorer.EXE	svchost.exe
PID 1228 wrote to memory of 240	1228	Explorer.EXE	svchost.exe
PID 1228 wrote to memory of 240	1228	Explorer.EXE	svchost.exe
PID 1228 wrote to memory of 240	1228	Explorer.EXE	svchost.exe
PID 240 wrote to memory of 1768	240	svchost.exe	cmd.exe
PID 240 wrote to memory of 1768	240	svchost.exe	cmd.exe
PID 240 wrote to memory of 1768	240	svchost.exe	cmd.exe
PID 240 wrote to memory of 1768	240	svchost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1228

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\payment detail.xlsx"
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1756

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:240

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1768

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:1744

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:948

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: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

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Public\vbc.exe
MD5
7ceecb14777497d950fef12be23cb30d

SHA1
a0ad7d5adb5cf2ddc4aa993988ce48dde92c2e5e

SHA256
e7fa638aceedeb8dbe7baeb928d639a6a1498a6fb2385f06c9ce40e01e7b9e16

SHA512
291c87baba3e39212811f3cf43aca034d751bcaf2a3e0e5293c47d277bd3238e911ded0bde8f3a07bccafdee7aefbe953cd8f72690913736c0bfc9c07a0c61c9

Download Submit
C:\Users\Public\vbc.exe
MD5
7ceecb14777497d950fef12be23cb30d

SHA1
a0ad7d5adb5cf2ddc4aa993988ce48dde92c2e5e

SHA256
e7fa638aceedeb8dbe7baeb928d639a6a1498a6fb2385f06c9ce40e01e7b9e16

SHA512
291c87baba3e39212811f3cf43aca034d751bcaf2a3e0e5293c47d277bd3238e911ded0bde8f3a07bccafdee7aefbe953cd8f72690913736c0bfc9c07a0c61c9

Download Submit
C:\Users\Public\vbc.exe
MD5
7ceecb14777497d950fef12be23cb30d

SHA1
a0ad7d5adb5cf2ddc4aa993988ce48dde92c2e5e

SHA256
e7fa638aceedeb8dbe7baeb928d639a6a1498a6fb2385f06c9ce40e01e7b9e16

SHA512
291c87baba3e39212811f3cf43aca034d751bcaf2a3e0e5293c47d277bd3238e911ded0bde8f3a07bccafdee7aefbe953cd8f72690913736c0bfc9c07a0c61c9

Download Submit
\Users\Public\vbc.exe
MD5
7ceecb14777497d950fef12be23cb30d

SHA1
a0ad7d5adb5cf2ddc4aa993988ce48dde92c2e5e

SHA256
e7fa638aceedeb8dbe7baeb928d639a6a1498a6fb2385f06c9ce40e01e7b9e16

SHA512
291c87baba3e39212811f3cf43aca034d751bcaf2a3e0e5293c47d277bd3238e911ded0bde8f3a07bccafdee7aefbe953cd8f72690913736c0bfc9c07a0c61c9

Download Submit
\Users\Public\vbc.exe
MD5
7ceecb14777497d950fef12be23cb30d

SHA1
a0ad7d5adb5cf2ddc4aa993988ce48dde92c2e5e

SHA256
e7fa638aceedeb8dbe7baeb928d639a6a1498a6fb2385f06c9ce40e01e7b9e16

SHA512
291c87baba3e39212811f3cf43aca034d751bcaf2a3e0e5293c47d277bd3238e911ded0bde8f3a07bccafdee7aefbe953cd8f72690913736c0bfc9c07a0c61c9

Download Submit
\Users\Public\vbc.exe
MD5
7ceecb14777497d950fef12be23cb30d

SHA1
a0ad7d5adb5cf2ddc4aa993988ce48dde92c2e5e

SHA256
e7fa638aceedeb8dbe7baeb928d639a6a1498a6fb2385f06c9ce40e01e7b9e16

SHA512
291c87baba3e39212811f3cf43aca034d751bcaf2a3e0e5293c47d277bd3238e911ded0bde8f3a07bccafdee7aefbe953cd8f72690913736c0bfc9c07a0c61c9

Download Submit
\Users\Public\vbc.exe
MD5
7ceecb14777497d950fef12be23cb30d

SHA1
a0ad7d5adb5cf2ddc4aa993988ce48dde92c2e5e

SHA256
e7fa638aceedeb8dbe7baeb928d639a6a1498a6fb2385f06c9ce40e01e7b9e16

SHA512
291c87baba3e39212811f3cf43aca034d751bcaf2a3e0e5293c47d277bd3238e911ded0bde8f3a07bccafdee7aefbe953cd8f72690913736c0bfc9c07a0c61c9

Download Submit
memory/240-90-0x0000000000C40000-0x0000000000C48000-memory.dmp

Filesize
32KB

Download
memory/240-91-0x00000000000C0000-0x00000000000E8000-memory.dmp

Filesize
160KB

Download
memory/240-92-0x0000000000860000-0x0000000000B63000-memory.dmp

Filesize
3.0MB

Download
memory/240-88-0x0000000000000000-mapping.dmp

Download
memory/240-93-0x0000000000620000-0x00000000006AF000-memory.dmp

Filesize
572KB

Download
memory/916-82-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/916-86-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/916-85-0x0000000000810000-0x0000000000B13000-memory.dmp

Filesize
3.0MB

Download
memory/916-83-0x000000000041D040-mapping.dmp

Download
memory/948-68-0x0000000000000000-mapping.dmp

Download
memory/948-73-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

Filesize
4KB

Download
memory/948-79-0x0000000000600000-0x000000000061B000-memory.dmp

Filesize
108KB

Download
memory/948-80-0x0000000005EE0000-0x0000000005F52000-memory.dmp

Filesize
456KB

Download
memory/948-81-0x0000000000C20000-0x0000000000C4F000-memory.dmp

Filesize
188KB

Download
memory/948-71-0x00000000013B0000-0x00000000013B1000-memory.dmp

Filesize
4KB

Download
memory/1228-87-0x0000000004D00000-0x0000000004E23000-memory.dmp

Filesize
1.1MB

Download
memory/1744-63-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/1756-77-0x0000000006020000-0x0000000006C6A000-memory.dmp

Filesize
12.3MB

Download
memory/1756-74-0x0000000006020000-0x0000000006C6A000-memory.dmp

Filesize
12.3MB

Download
memory/1756-75-0x0000000006020000-0x0000000006C6A000-memory.dmp

Filesize
12.3MB

Download
memory/1756-76-0x0000000006020000-0x0000000006C6A000-memory.dmp

Filesize
12.3MB

Download
memory/1756-60-0x000000002F911000-0x000000002F914000-memory.dmp

Filesize
12KB

Download
memory/1756-78-0x0000000006020000-0x0000000006C6A000-memory.dmp

Filesize
12.3MB

Download
memory/1756-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1756-61-0x0000000071521000-0x0000000071523000-memory.dmp

Filesize
8KB

Download
memory/1768-89-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads