xloader | c6f11920b2ae7f0255d65e4b04f9944247438ee4d346dc4745f50602df41007b

General

Target

sa.exe
Size

841KB
MD5

0aecf41f923bf5cd728a670757af61ed
SHA1

57aba2a76789f270cc3a78903c1cd54ec15d2080
SHA256

c6f11920b2ae7f0255d65e4b04f9944247438ee4d346dc4745f50602df41007b
SHA512

ec827ca487e09e6e74451b0002c9769f882c1a162d0a0f2cfcecf7e6c3b9f2880ff7d25b8114351114a3f8bd6a83383cca183fbe44ea2db353eba10ceba2caf3

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.cats16.com/8u3b/

Decoy

pipienta.com

wisdomfest.net

jenniferreich.com

bigcanoehomesforless.com

kayandbernard.com

offerbuildingsecrets.com

benleefoto.com

contactlesssoftware.tech

statenislandplumbing.info

lifestylemedicineservices.com

blazerplanning.com

fnatic-skins.club

effectivemarketinginc.com

babyshopit.com

2000deal.com

k12paymentcemter.com

spwakd.com

lesreponses.com

abundando.com

hawkspremierfhc.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2752-125-0x000000000041D0A0-mapping.dmp	xloader
behavioral2/memory/2752-124-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1156-133-0x0000000002900000-0x0000000002929000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

sa.exesa.exewscript.exe

description	pid	process	target process
PID 648 set thread context of 2752	648	sa.exe	sa.exe
PID 2752 set thread context of 2428	2752	sa.exe	Explorer.EXE
PID 1156 set thread context of 2428	1156	wscript.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

sa.exesa.exewscript.exe

pid process

648 sa.exe
648 sa.exe
2752 sa.exe
2752 sa.exe
2752 sa.exe
2752 sa.exe
1156 wscript.exe
1156 wscript.exe
1156 wscript.exe
1156 wscript.exe
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

sa.exewscript.exe

pid process

2752 sa.exe
2752 sa.exe
2752 sa.exe
1156 wscript.exe
1156 wscript.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

sa.exesa.exewscript.exe

description pid process

Token: SeDebugPrivilege 648 sa.exe
Token: SeDebugPrivilege 2752 sa.exe
Token: SeDebugPrivilege 1156 wscript.exe

pid	process
648	sa.exe
648	sa.exe
2752	sa.exe
2752	sa.exe
2752	sa.exe
2752	sa.exe
1156	wscript.exe
1156	wscript.exe
1156	wscript.exe
1156	wscript.exe

pid	process
2752	sa.exe
2752	sa.exe
2752	sa.exe
1156	wscript.exe
1156	wscript.exe

description	pid	process
Token: SeDebugPrivilege	648	sa.exe
Token: SeDebugPrivilege	2752	sa.exe
Token: SeDebugPrivilege	1156	wscript.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

sa.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 648 wrote to memory of 2692	648	sa.exe	sa.exe
PID 648 wrote to memory of 2692	648	sa.exe	sa.exe
PID 648 wrote to memory of 2692	648	sa.exe	sa.exe
PID 648 wrote to memory of 2752	648	sa.exe	sa.exe
PID 648 wrote to memory of 2752	648	sa.exe	sa.exe
PID 648 wrote to memory of 2752	648	sa.exe	sa.exe
PID 648 wrote to memory of 2752	648	sa.exe	sa.exe
PID 648 wrote to memory of 2752	648	sa.exe	sa.exe
PID 648 wrote to memory of 2752	648	sa.exe	sa.exe
PID 2428 wrote to memory of 1156	2428	Explorer.EXE	wscript.exe
PID 2428 wrote to memory of 1156	2428	Explorer.EXE	wscript.exe
PID 2428 wrote to memory of 1156	2428	Explorer.EXE	wscript.exe
PID 1156 wrote to memory of 2120	1156	wscript.exe	cmd.exe
PID 1156 wrote to memory of 2120	1156	wscript.exe	cmd.exe
PID 1156 wrote to memory of 2120	1156	wscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:2428

C:\Users\Admin\AppData\Local\Temp\sa.exe
"C:\Users\Admin\AppData\Local\Temp\sa.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:648

C:\Users\Admin\AppData\Local\Temp\sa.exe
"C:\Users\Admin\AppData\Local\Temp\sa.exe"
3⤵
PID:2692

C:\Users\Admin\AppData\Local\Temp\sa.exe
"C:\Users\Admin\AppData\Local\Temp\sa.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2752

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1156

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\sa.exe"
3⤵
PID:2120

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/648-121-0x00000000059C0000-0x00000000059CE000-memory.dmp

Filesize
56KB

Download
memory/648-123-0x00000000015B0000-0x0000000001616000-memory.dmp

Filesize
408KB

Download
memory/648-117-0x00000000055B0000-0x00000000055B1000-memory.dmp

Filesize
4KB

Download
memory/648-118-0x0000000005720000-0x0000000005721000-memory.dmp

Filesize
4KB

Download
memory/648-119-0x0000000005650000-0x0000000005651000-memory.dmp

Filesize
4KB

Download
memory/648-120-0x0000000005680000-0x0000000005B7E000-memory.dmp

Filesize
5.0MB

Download
memory/648-116-0x0000000005B80000-0x0000000005B81000-memory.dmp

Filesize
4KB

Download
memory/648-114-0x0000000000B80000-0x0000000000B81000-memory.dmp

Filesize
4KB

Download
memory/648-122-0x0000000001500000-0x00000000015AC000-memory.dmp

Filesize
688KB

Download
memory/1156-135-0x0000000004430000-0x00000000044C0000-memory.dmp

Filesize
576KB

Download
memory/1156-134-0x0000000004500000-0x0000000004820000-memory.dmp

Filesize
3.1MB

Download
memory/1156-132-0x0000000000360000-0x0000000000387000-memory.dmp

Filesize
156KB

Download
memory/1156-133-0x0000000002900000-0x0000000002929000-memory.dmp

Filesize
164KB

Download
memory/1156-130-0x0000000000000000-mapping.dmp

Download
memory/2120-131-0x0000000000000000-mapping.dmp

Download
memory/2428-129-0x0000000005E10000-0x0000000005F1B000-memory.dmp

Filesize
1.0MB

Download
memory/2428-136-0x0000000002460000-0x000000000253A000-memory.dmp

Filesize
872KB

Download
memory/2752-128-0x0000000001370000-0x0000000001381000-memory.dmp

Filesize
68KB

Download
memory/2752-127-0x0000000000F20000-0x0000000001240000-memory.dmp

Filesize
3.1MB

Download
memory/2752-124-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2752-125-0x000000000041D0A0-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads