xloader | bb81812044069608e1ba320fcb7b878c5b6895f5bf91c93027ab4161042d01c7

General

Target

92c35904f4cf224c1a26f7162e465b02.exe
Size

17KB
MD5

92c35904f4cf224c1a26f7162e465b02
SHA1

d4d1635404188075b42f49c4714cc85faa54e71c
SHA256

bb81812044069608e1ba320fcb7b878c5b6895f5bf91c93027ab4161042d01c7
SHA512

43f28013fa83da1957cda63cdc07b12a4ee9e16f54ed1f8ff36d83d3ce3dff7d710a630e8f042291162eb225e3cd6c08c018fea28e87aa4ac3f0a24b2879c9a8

Score

10^/10

xloader ahc8 loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ahc8

Decoy

192451.com

wwwripostes.net

sirikhalsalaw.com

bitterbaybay.com

stella-scrubs.com

almanecermezcal.com

goodgood.online

translate-now.online

sincerefilm.com

quadrantforensics.com

johnfrenchart.com

plick-click.com

alnileen.com

tghi.xyz

172711.com

maymakita.com

punnyaseva.com

ukash-online.com

sho-yururi-blog.com

hebergement-solidaire.com

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 3040 created 2800 3040 WerFault.exe 92c35904f4cf224c1a26f7162e465b02.exe
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

description	pid	process	target process
PID 3040 created 2800	3040	WerFault.exe	92c35904f4cf224c1a26f7162e465b02.exe

Xloader Payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1396-137-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Downloads MZ/PE file
Suspicious use of SetThreadContext 1 IoCs

Processes:

92c35904f4cf224c1a26f7162e465b02.exe

description pid process target process

PID 2800 set thread context of 1396 2800 92c35904f4cf224c1a26f7162e465b02.exe 92c35904f4cf224c1a26f7162e465b02.exe

description	pid	process	target process
PID 2800 set thread context of 1396	2800	92c35904f4cf224c1a26f7162e465b02.exe	92c35904f4cf224c1a26f7162e465b02.exe

Drops file in Windows directory 6 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1752 2800 WerFault.exe 92c35904f4cf224c1a26f7162e465b02.exe

pid	pid_target	process	target process
1752	2800	WerFault.exe	92c35904f4cf224c1a26f7162e465b02.exe

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:

WerFault.exe

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

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WerFault.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

92c35904f4cf224c1a26f7162e465b02.exeWerFault.exe

pid process

1396 92c35904f4cf224c1a26f7162e465b02.exe
1396 92c35904f4cf224c1a26f7162e465b02.exe
1752 WerFault.exe
1752 WerFault.exe

pid	process
1396	92c35904f4cf224c1a26f7162e465b02.exe
1396	92c35904f4cf224c1a26f7162e465b02.exe
1752	WerFault.exe
1752	WerFault.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

92c35904f4cf224c1a26f7162e465b02.exeWerFault.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	2800	92c35904f4cf224c1a26f7162e465b02.exe
Token: SeRestorePrivilege	1752	WerFault.exe
Token: SeBackupPrivilege	1752	WerFault.exe
Token: SeShutdownPrivilege	2036	svchost.exe
Token: SeCreatePagefilePrivilege	2036	svchost.exe
Token: SeShutdownPrivilege	2036	svchost.exe
Token: SeCreatePagefilePrivilege	2036	svchost.exe
Token: SeShutdownPrivilege	2036	svchost.exe
Token: SeCreatePagefilePrivilege	2036	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

92c35904f4cf224c1a26f7162e465b02.exeWerFault.exe

description	pid	process	target process
PID 2800 wrote to memory of 1396	2800	92c35904f4cf224c1a26f7162e465b02.exe	92c35904f4cf224c1a26f7162e465b02.exe
PID 2800 wrote to memory of 1396	2800	92c35904f4cf224c1a26f7162e465b02.exe	92c35904f4cf224c1a26f7162e465b02.exe
PID 2800 wrote to memory of 1396	2800	92c35904f4cf224c1a26f7162e465b02.exe	92c35904f4cf224c1a26f7162e465b02.exe
PID 2800 wrote to memory of 1396	2800	92c35904f4cf224c1a26f7162e465b02.exe	92c35904f4cf224c1a26f7162e465b02.exe
PID 2800 wrote to memory of 1396	2800	92c35904f4cf224c1a26f7162e465b02.exe	92c35904f4cf224c1a26f7162e465b02.exe
PID 2800 wrote to memory of 1396	2800	92c35904f4cf224c1a26f7162e465b02.exe	92c35904f4cf224c1a26f7162e465b02.exe
PID 3040 wrote to memory of 2800	3040	WerFault.exe	92c35904f4cf224c1a26f7162e465b02.exe
PID 3040 wrote to memory of 2800	3040	WerFault.exe	92c35904f4cf224c1a26f7162e465b02.exe

C:\Users\Admin\AppData\Local\Temp\92c35904f4cf224c1a26f7162e465b02.exe
"C:\Users\Admin\AppData\Local\Temp\92c35904f4cf224c1a26f7162e465b02.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2800

C:\Users\Admin\AppData\Local\Temp\92c35904f4cf224c1a26f7162e465b02.exe
"C:\Users\Admin\AppData\Local\Temp\92c35904f4cf224c1a26f7162e465b02.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 1836
2⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2800 -ip 2800
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:3040

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1396-137-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1396-138-0x0000000000EF0000-0x000000000123A000-memory.dmp

Filesize
3.3MB

Download
memory/2036-140-0x0000023DE3B90000-0x0000023DE3BA0000-memory.dmp

Filesize
64KB

Download
memory/2036-139-0x0000023DE3B30000-0x0000023DE3B40000-memory.dmp

Filesize
64KB

Download
memory/2036-141-0x0000023DE6880000-0x0000023DE6884000-memory.dmp

Filesize
16KB

Download
memory/2800-130-0x0000000000E70000-0x0000000000E7A000-memory.dmp

Filesize
40KB

Download
memory/2800-131-0x0000000005DA0000-0x0000000006344000-memory.dmp

Filesize
5.6MB

Download
memory/2800-132-0x0000000005890000-0x0000000005922000-memory.dmp

Filesize
584KB

Download
memory/2800-133-0x00000000743EE000-0x00000000743EF000-memory.dmp

Filesize
4KB

Download
memory/2800-134-0x0000000005820000-0x000000000582A000-memory.dmp

Filesize
40KB

Download
memory/2800-135-0x0000000005B10000-0x0000000005B11000-memory.dmp

Filesize
4KB

Download
memory/2800-136-0x0000000006EB0000-0x0000000006F4C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads