xloader | 5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8

General

Target

truck pictures.exe
Size

634KB
MD5

99ed5f72e5742e549a6ec78655fd3cfc
SHA1

31a4f6fc81c45e49f4787cebe622256fa74d8a06
SHA256

5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8
SHA512

45abc2973402ba0ae81b4e708c257c9e8f5fe472b1fdf969766697a5226481764b0bf8d9be8dd99effd47e7556ed0110b48b892c315d850b952ed700ac2f9711

Score

10^/10

xloader cuig loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

cuig

C2

http://www.qtih.top/cuig/

Decoy

sofiathinks-elderly.net

lahamicoast.info

2shengman.com

cbsautoplex.com

arcana-candles.com

genrage.com

kukumiou.xyz

thequizerking.com

sonataproductions.com

rebuildgomnmf.xyz

ubcoin.store

yiyouxue.net

firstlifehome.com

mdx-inc.net

gotbn-c01.com

dinobrindes.store

jcm-iso.com

cliente-mais.com

mloujewelry.com

correoversoi.quest

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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3612-125-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3612-126-0x000000000041D3F0-mapping.dmp	xloader
behavioral2/memory/432-133-0x0000000003020000-0x0000000003049000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

truck pictures.exetruck pictures.exeraserver.exe

description	pid	process	target process
PID 716 set thread context of 3612	716	truck pictures.exe	truck pictures.exe
PID 3612 set thread context of 3064	3612	truck pictures.exe	Explorer.EXE
PID 432 set thread context of 3064	432	raserver.exe	Explorer.EXE

Modifies registry class 2 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

truck pictures.exetruck pictures.exeraserver.exe

pid	process
716	truck pictures.exe
716	truck pictures.exe
716	truck pictures.exe
716	truck pictures.exe
716	truck pictures.exe
716	truck pictures.exe
716	truck pictures.exe
716	truck pictures.exe
3612	truck pictures.exe
3612	truck pictures.exe
3612	truck pictures.exe
3612	truck pictures.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3064 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

truck pictures.exeraserver.exe

pid process

3612 truck pictures.exe
3612 truck pictures.exe
3612 truck pictures.exe
432 raserver.exe
432 raserver.exe

pid	process
3064	Explorer.EXE

pid	process
3612	truck pictures.exe
3612	truck pictures.exe
3612	truck pictures.exe
432	raserver.exe
432	raserver.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

truck pictures.exetruck pictures.exeraserver.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	716	truck pictures.exe
Token: SeDebugPrivilege	3612	truck pictures.exe
Token: SeDebugPrivilege	432	raserver.exe
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

3064 Explorer.EXE
3064 Explorer.EXE
3064 Explorer.EXE
3064 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3064 Explorer.EXE

pid	process
3064	Explorer.EXE
3064	Explorer.EXE
3064	Explorer.EXE
3064	Explorer.EXE

pid	process
3064	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

truck pictures.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 716 wrote to memory of 3452	716	truck pictures.exe	truck pictures.exe
PID 716 wrote to memory of 3452	716	truck pictures.exe	truck pictures.exe
PID 716 wrote to memory of 3452	716	truck pictures.exe	truck pictures.exe
PID 716 wrote to memory of 3612	716	truck pictures.exe	truck pictures.exe
PID 716 wrote to memory of 3612	716	truck pictures.exe	truck pictures.exe
PID 716 wrote to memory of 3612	716	truck pictures.exe	truck pictures.exe
PID 716 wrote to memory of 3612	716	truck pictures.exe	truck pictures.exe
PID 716 wrote to memory of 3612	716	truck pictures.exe	truck pictures.exe
PID 716 wrote to memory of 3612	716	truck pictures.exe	truck pictures.exe
PID 3064 wrote to memory of 432	3064	Explorer.EXE	raserver.exe
PID 3064 wrote to memory of 432	3064	Explorer.EXE	raserver.exe
PID 3064 wrote to memory of 432	3064	Explorer.EXE	raserver.exe
PID 432 wrote to memory of 2140	432	raserver.exe	cmd.exe
PID 432 wrote to memory of 2140	432	raserver.exe	cmd.exe
PID 432 wrote to memory of 2140	432	raserver.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3064

C:\Users\Admin\AppData\Local\Temp\truck pictures.exe
"C:\Users\Admin\AppData\Local\Temp\truck pictures.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:716

C:\Users\Admin\AppData\Local\Temp\truck pictures.exe
"C:\Users\Admin\AppData\Local\Temp\truck pictures.exe"
3⤵
PID:3452

C:\Users\Admin\AppData\Local\Temp\truck pictures.exe
"C:\Users\Admin\AppData\Local\Temp\truck pictures.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3612

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:432

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\truck pictures.exe"
3⤵
PID:2140

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/432-135-0x0000000004A20000-0x0000000004AB0000-memory.dmp

Filesize
576KB

Download
memory/432-132-0x00000000008B0000-0x00000000008CF000-memory.dmp

Filesize
124KB

Download
memory/432-133-0x0000000003020000-0x0000000003049000-memory.dmp

Filesize
164KB

Download
memory/432-130-0x0000000000000000-mapping.dmp

Download
memory/432-134-0x0000000004B20000-0x0000000004E40000-memory.dmp

Filesize
3.1MB

Download
memory/716-119-0x0000000005340000-0x0000000005341000-memory.dmp

Filesize
4KB

Download
memory/716-122-0x00000000054A0000-0x00000000054A1000-memory.dmp

Filesize
4KB

Download
memory/716-123-0x0000000005FC0000-0x0000000006020000-memory.dmp

Filesize
384KB

Download
memory/716-124-0x0000000008530000-0x000000000855B000-memory.dmp

Filesize
172KB

Download
memory/716-121-0x00000000053E0000-0x00000000053E7000-memory.dmp

Filesize
28KB

Download
memory/716-120-0x0000000005220000-0x0000000005221000-memory.dmp

Filesize
4KB

Download
memory/716-118-0x0000000005260000-0x0000000005261000-memory.dmp

Filesize
4KB

Download
memory/716-117-0x0000000005760000-0x0000000005761000-memory.dmp

Filesize
4KB

Download
memory/716-115-0x00000000008F0000-0x00000000008F1000-memory.dmp

Filesize
4KB

Download
memory/2140-131-0x0000000000000000-mapping.dmp

Download
memory/3064-129-0x0000000000770000-0x0000000000848000-memory.dmp

Filesize
864KB

Download
memory/3064-136-0x00000000027F0000-0x00000000028F6000-memory.dmp

Filesize
1.0MB

Download
memory/3612-127-0x0000000001630000-0x0000000001950000-memory.dmp

Filesize
3.1MB

Download
memory/3612-128-0x0000000001090000-0x00000000011DA000-memory.dmp

Filesize
1.3MB

Download
memory/3612-126-0x000000000041D3F0-mapping.dmp

Download
memory/3612-125-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads