xloader | 5897858ea935658dd34bc4ef2692d4694eea6be164a9d8566b55c769dae2c8bc

General

Target

tmp.exe
Size

1.6MB
MD5

52da53b1c61bf409b32f845f3806479a
SHA1

4e4120c159b2ff506c8719332dc38298ac092659
SHA256

5897858ea935658dd34bc4ef2692d4694eea6be164a9d8566b55c769dae2c8bc
SHA512

3a1ffa7db0f5b90deccbf9f84033e19ed43f9d28006f40c2c8d1cbe7c337f6fd458c966bef0b29c8f1cde725d1e1abfecb65c00b5ae6f908dcb33ecb83c7dbca

Score

10^/10

xloader mt88 loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

mt88

Decoy

syzbf32.xyz

pertlines.com

vybaveniprocyklostezky.com

elianmsalas.tech

a-snag-tokei-kaitori.com

tuvistaing.com

whoyoucall.net

l8e9gr.xyz

sophrologuemontevrain77.com

ciclean.com

the-roel.com

campgreencove.com

foremostbookkeeping.com

zamanscorner.com

efeturozemniyet.com

penelope.team

murata.life

solfuls.com

tradefitinvesting.com

skinbid.pro

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1956-133-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/1956-135-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/1956-143-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/2832-145-0x0000000001030000-0x000000000105B000-memory.dmp	xloader
behavioral2/memory/2832-149-0x0000000001030000-0x000000000105B000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

tmp.exeauditpol.exechkdsk.exe

description	pid	process	target process
PID 4796 set thread context of 1956	4796	tmp.exe	auditpol.exe
PID 1956 set thread context of 3140	1956	auditpol.exe	Explorer.EXE
PID 1956 set thread context of 3140	1956	auditpol.exe	Explorer.EXE
PID 2832 set thread context of 3140	2832	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

tmp.exeauditpol.exechkdsk.exe

pid	process
4796	tmp.exe
4796	tmp.exe
4796	tmp.exe
4796	tmp.exe
4796	tmp.exe
4796	tmp.exe
4796	tmp.exe
4796	tmp.exe
1956	auditpol.exe
1956	auditpol.exe
1956	auditpol.exe
1956	auditpol.exe
4796	tmp.exe
4796	tmp.exe
1956	auditpol.exe
1956	auditpol.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe
2832	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3140 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

auditpol.exechkdsk.exe

pid process

1956 auditpol.exe
1956 auditpol.exe
1956 auditpol.exe
1956 auditpol.exe
2832 chkdsk.exe
2832 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

tmp.exeauditpol.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 4796 tmp.exe
Token: SeDebugPrivilege 1956 auditpol.exe
Token: SeDebugPrivilege 2832 chkdsk.exe

pid	process
3140	Explorer.EXE

pid	process
1956	auditpol.exe
1956	auditpol.exe
1956	auditpol.exe
1956	auditpol.exe
2832	chkdsk.exe
2832	chkdsk.exe

description	pid	process
Token: SeDebugPrivilege	4796	tmp.exe
Token: SeDebugPrivilege	1956	auditpol.exe
Token: SeDebugPrivilege	2832	chkdsk.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

tmp.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 4796 wrote to memory of 1956	4796	tmp.exe	auditpol.exe
PID 4796 wrote to memory of 1956	4796	tmp.exe	auditpol.exe
PID 4796 wrote to memory of 1956	4796	tmp.exe	auditpol.exe
PID 4796 wrote to memory of 1956	4796	tmp.exe	auditpol.exe
PID 4796 wrote to memory of 1956	4796	tmp.exe	auditpol.exe
PID 4796 wrote to memory of 1956	4796	tmp.exe	auditpol.exe
PID 4796 wrote to memory of 1956	4796	tmp.exe	auditpol.exe
PID 3140 wrote to memory of 2832	3140	Explorer.EXE	chkdsk.exe
PID 3140 wrote to memory of 2832	3140	Explorer.EXE	chkdsk.exe
PID 3140 wrote to memory of 2832	3140	Explorer.EXE	chkdsk.exe
PID 2832 wrote to memory of 4848	2832	chkdsk.exe	cmd.exe
PID 2832 wrote to memory of 4848	2832	chkdsk.exe	cmd.exe
PID 2832 wrote to memory of 4848	2832	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3140

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4796

C:\Windows\SysWOW64\auditpol.exe
"C:\Windows\SysWOW64\auditpol.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1956

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2832

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\auditpol.exe"
3⤵
PID:4848

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1956-140-0x0000000000EA0000-0x0000000000EB1000-memory.dmp

Filesize
68KB

Download
memory/1956-143-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1956-132-0x0000000000000000-mapping.dmp

Download
memory/1956-133-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1956-135-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1956-136-0x0000000000EE0000-0x000000000122A000-memory.dmp

Filesize
3.3MB

Download
memory/1956-137-0x0000000000950000-0x0000000000961000-memory.dmp

Filesize
68KB

Download
memory/2832-142-0x0000000000000000-mapping.dmp

Download
memory/2832-150-0x0000000001620000-0x00000000016B0000-memory.dmp

Filesize
576KB

Download
memory/2832-144-0x0000000000220000-0x000000000022A000-memory.dmp

Filesize
40KB

Download
memory/2832-145-0x0000000001030000-0x000000000105B000-memory.dmp

Filesize
172KB

Download
memory/2832-147-0x00000000017D0000-0x0000000001B1A000-memory.dmp

Filesize
3.3MB

Download
memory/2832-149-0x0000000001030000-0x000000000105B000-memory.dmp

Filesize
172KB

Download
memory/3140-138-0x0000000002690000-0x0000000002755000-memory.dmp

Filesize
788KB

Download
memory/3140-152-0x00000000082D0000-0x0000000008439000-memory.dmp

Filesize
1.4MB

Download
memory/3140-141-0x0000000008040000-0x0000000008175000-memory.dmp

Filesize
1.2MB

Download
memory/3140-151-0x00000000082D0000-0x0000000008439000-memory.dmp

Filesize
1.4MB

Download
memory/3140-148-0x0000000008040000-0x0000000008175000-memory.dmp

Filesize
1.2MB

Download
memory/4796-131-0x0000000005AD0000-0x0000000005B6C000-memory.dmp

Filesize
624KB

Download
memory/4796-130-0x0000000000FD0000-0x0000000001172000-memory.dmp

Filesize
1.6MB

Download
memory/4848-146-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads