xloader | 03e7588bbb5ace7f22485dee84bf149aa8129504b19b3727bf24ae8b1afd506c

General

Target

Copia_de_pago_12_03.xlsm
Size

197KB
MD5

b5192b8607edf0e0d159f5510576cf24
SHA1

ea830c1f6a158b362cdfd7a1c9ac250efe2143bf
SHA256

03e7588bbb5ace7f22485dee84bf149aa8129504b19b3727bf24ae8b1afd506c
SHA512

3d5548ddb32670faf5df4a5a74c8c766268990c9cd4edafe41b739f352beb0c9927b89abefdc248a65f1f224622d8681d6ba85468331831ca7e0a519e642b4c4

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

C2

http://www.basiclablife.com/8zdn/

Decoy

yourherogarden.net

onlineharambee.net

cerrajeriaurgencias24horas.com

distritoforex.com

verifyclientserverssr.com

dandwg.com

co2-zero.global

joshssl.com

meckwt.com

theammf.com

rawclectic.com

gzgnetwork.com

richmondavenuecoc.com

nicolelyte.com

thetinyclosetboutique.com

llt-group.net

seven-sky-design.com

joganifinancialgrp.com

elementsvapes.com

bingent.info

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cscript.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1272	1908	cscript.exe	EXCEL.EXE

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2744-24-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/2744-25-0x000000000041D020-mapping.dmp	xloader
behavioral2/memory/1540-33-0x00000000002E0000-0x0000000000308000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

cscript.exe

flow pid process

21 1272 cscript.exe
Executes dropped EXE 3 IoCs

Processes:

putty.exeputty.exeputty.exe

pid process

3136 putty.exe
2740 putty.exe
2744 putty.exe

flow	pid	process
21	1272	cscript.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

putty.exeputty.exehelp.exe

description	pid	process	target process
PID 3136 set thread context of 2744	3136	putty.exe	putty.exe
PID 2744 set thread context of 3020	2744	putty.exe	Explorer.EXE
PID 1540 set thread context of 3020	1540	help.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

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

NTFS ADS 3 IoCs

Processes:

EXCEL.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{D7A43672-120F-4559-897E-AB8477620253}\q:Zone.Identifier	EXCEL.EXE
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{D7A43672-120F-4559-897E-AB8477620253}\xx:Zone.Identifier	EXCEL.EXE
File opened for modification	C:\programdata\asc.txt:script1.vbs	EXCEL.EXE

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 21 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1908 EXCEL.EXE

description	flow	ioc
HTTP User-Agent header	21	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

putty.exeputty.exehelp.exe

pid	process
3136	putty.exe
3136	putty.exe
2744	putty.exe
2744	putty.exe
2744	putty.exe
2744	putty.exe
1540	help.exe
1540	help.exe
1540	help.exe
1540	help.exe
1540	help.exe
1540	help.exe
1540	help.exe
1540	help.exe
1540	help.exe
1540	help.exe
1540	help.exe
1540	help.exe
1540	help.exe
1540	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

putty.exehelp.exe

pid process

2744 putty.exe
2744 putty.exe
2744 putty.exe
1540 help.exe
1540 help.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

putty.exeputty.exehelp.exe

description pid process

Token: SeDebugPrivilege 3136 putty.exe
Token: SeDebugPrivilege 2744 putty.exe
Token: SeDebugPrivilege 1540 help.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1908 EXCEL.EXE
1908 EXCEL.EXE

pid	process
2744	putty.exe
2744	putty.exe
2744	putty.exe
1540	help.exe
1540	help.exe

description	pid	process
Token: SeDebugPrivilege	3136	putty.exe
Token: SeDebugPrivilege	2744	putty.exe
Token: SeDebugPrivilege	1540	help.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

EXCEL.EXEcscript.exeputty.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 1908 wrote to memory of 1272	1908	EXCEL.EXE	cscript.exe
PID 1908 wrote to memory of 1272	1908	EXCEL.EXE	cscript.exe
PID 1272 wrote to memory of 3136	1272	cscript.exe	putty.exe
PID 1272 wrote to memory of 3136	1272	cscript.exe	putty.exe
PID 1272 wrote to memory of 3136	1272	cscript.exe	putty.exe
PID 3136 wrote to memory of 2740	3136	putty.exe	putty.exe
PID 3136 wrote to memory of 2740	3136	putty.exe	putty.exe
PID 3136 wrote to memory of 2740	3136	putty.exe	putty.exe
PID 3136 wrote to memory of 2744	3136	putty.exe	putty.exe
PID 3136 wrote to memory of 2744	3136	putty.exe	putty.exe
PID 3136 wrote to memory of 2744	3136	putty.exe	putty.exe
PID 3136 wrote to memory of 2744	3136	putty.exe	putty.exe
PID 3136 wrote to memory of 2744	3136	putty.exe	putty.exe
PID 3136 wrote to memory of 2744	3136	putty.exe	putty.exe
PID 3020 wrote to memory of 1540	3020	Explorer.EXE	help.exe
PID 3020 wrote to memory of 1540	3020	Explorer.EXE	help.exe
PID 3020 wrote to memory of 1540	3020	Explorer.EXE	help.exe
PID 1540 wrote to memory of 4048	1540	help.exe	cmd.exe
PID 1540 wrote to memory of 4048	1540	help.exe	cmd.exe
PID 1540 wrote to memory of 4048	1540	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3020

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Copia_de_pago_12_03.xlsm"
2⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\System32\cscript.exe
"C:\Windows\System32\cscript.exe" C:\programdata\asc.txt:script1.vbs
3⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1272

C:\programdata\putty.exe
"C:\programdata\putty.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3136

C:\programdata\putty.exe
"C:\programdata\putty.exe"
5⤵
- Executes dropped EXE
PID:2740

C:\programdata\putty.exe
"C:\programdata\putty.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2744

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540

C:\Windows\SysWOW64\cmd.exe
/c del "C:\programdata\putty.exe"
3⤵
PID:4048

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\putty.exe
MD5
0c646642ed1f66939d1f6ceb9e8e00fc

SHA1
7dc7588378602e1fba5866c27769acae2cd3d07f

SHA256
f719aad4625bef6cc036b8d11f0f3550001b518a14aec7684e80671e761b8365

SHA512
eed334026e31532757453976bf56f01afb0288a0badd91823101aca746f485a43335177b461d3fa9b879672b5ba1b976841ea9a7ad1cf9d28823b278af291765

Download Submit
C:\ProgramData\putty.exe
MD5
0c646642ed1f66939d1f6ceb9e8e00fc

SHA1
7dc7588378602e1fba5866c27769acae2cd3d07f

SHA256
f719aad4625bef6cc036b8d11f0f3550001b518a14aec7684e80671e761b8365

SHA512
eed334026e31532757453976bf56f01afb0288a0badd91823101aca746f485a43335177b461d3fa9b879672b5ba1b976841ea9a7ad1cf9d28823b278af291765

Download Submit
C:\ProgramData\putty.exe
MD5
0c646642ed1f66939d1f6ceb9e8e00fc

SHA1
7dc7588378602e1fba5866c27769acae2cd3d07f

SHA256
f719aad4625bef6cc036b8d11f0f3550001b518a14aec7684e80671e761b8365

SHA512
eed334026e31532757453976bf56f01afb0288a0badd91823101aca746f485a43335177b461d3fa9b879672b5ba1b976841ea9a7ad1cf9d28823b278af291765

Download Submit
C:\programdata\asc.txt:script1.vbs
MD5
e383b657f76541d555856e702637c047

SHA1
a3516519c49e5a1c2016d579884b37080e885284

SHA256
d78a6024f8307fc8385c7eb49eb1d21ef10fafe593f9b794f1c960ac78d115f0

SHA512
23a143c9257cafb197275d643f03d97a1e8a464124671074d35171ce567741795c9dae252c2e82586e0e7c457690ffade7ee96503ba2b805c6918a6b3c397fb1

Download Submit
C:\programdata\putty.exe
MD5
0c646642ed1f66939d1f6ceb9e8e00fc

SHA1
7dc7588378602e1fba5866c27769acae2cd3d07f

SHA256
f719aad4625bef6cc036b8d11f0f3550001b518a14aec7684e80671e761b8365

SHA512
eed334026e31532757453976bf56f01afb0288a0badd91823101aca746f485a43335177b461d3fa9b879672b5ba1b976841ea9a7ad1cf9d28823b278af291765

Download Submit
memory/1272-7-0x0000000000000000-mapping.dmp

Download
memory/1540-33-0x00000000002E0000-0x0000000000308000-memory.dmp

Filesize
160KB

Download
memory/1540-37-0x0000000002AF0000-0x0000000002B7F000-memory.dmp

Filesize
572KB

Download
memory/1540-35-0x0000000002CA0000-0x0000000002FC0000-memory.dmp

Filesize
3.1MB

Download
memory/1540-32-0x0000000000340000-0x0000000000347000-memory.dmp

Filesize
28KB

Download
memory/1540-31-0x0000000000000000-mapping.dmp

Download
memory/1908-6-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmp

Filesize
64KB

Download
memory/1908-5-0x00007FFCA1F50000-0x00007FFCA2587000-memory.dmp

Filesize
6.2MB

Download
memory/1908-4-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmp

Filesize
64KB

Download
memory/1908-2-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmp

Filesize
64KB

Download
memory/1908-3-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmp

Filesize
64KB

Download
memory/2744-28-0x0000000000EE0000-0x0000000001200000-memory.dmp

Filesize
3.1MB

Download
memory/2744-29-0x0000000000980000-0x0000000000990000-memory.dmp

Filesize
64KB

Download
memory/2744-25-0x000000000041D020-mapping.dmp

Download
memory/2744-24-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3020-30-0x0000000002B20000-0x0000000002BFB000-memory.dmp

Filesize
876KB

Download
memory/3020-38-0x0000000005330000-0x0000000005496000-memory.dmp

Filesize
1.4MB

Download
memory/3136-18-0x0000000002E60000-0x0000000002E61000-memory.dmp

Filesize
4KB

Download
memory/3136-19-0x0000000005600000-0x0000000005601000-memory.dmp

Filesize
4KB

Download
memory/3136-17-0x00000000054A0000-0x00000000054A1000-memory.dmp

Filesize
4KB

Download
memory/3136-20-0x0000000002EA0000-0x0000000002EAC000-memory.dmp

Filesize
48KB

Download
memory/3136-21-0x00000000056A0000-0x00000000056A1000-memory.dmp

Filesize
4KB

Download
memory/3136-16-0x00000000059A0000-0x00000000059A1000-memory.dmp

Filesize
4KB

Download
memory/3136-15-0x0000000005400000-0x0000000005401000-memory.dmp

Filesize
4KB

Download
memory/3136-13-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/3136-12-0x0000000073920000-0x000000007400E000-memory.dmp

Filesize
6.9MB

Download
memory/3136-9-0x0000000000000000-mapping.dmp

Download
memory/3136-22-0x0000000005940000-0x000000000599D000-memory.dmp

Filesize
372KB

Download
memory/4048-34-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads