xloader | b88777182ffbc0f28b68902a00f0b8a51b8dee4ef0104720a9ca92e18d920d81

General

Target

INVOICE xlsx.exe
Size

661KB
MD5

c3d9581dfe9bc99d5999828f4177b264
SHA1

42f526e8bcae0f3e6404e9bed89431cd6b5c9fa4
SHA256

b88777182ffbc0f28b68902a00f0b8a51b8dee4ef0104720a9ca92e18d920d81
SHA512

d0c71bbc6b363cda4f2e686eb40e8b3295e7f6a43d42aaeecc5a99a64a7960a5d2594733af336aca1dd1204d2abec3f9311ccbb4db53894c95c818bc21248671

Score

10^/10

xloader t20a loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

t20a

Decoy

ovewaci.com

explorebantentravel.com

productdesigninfo.com

harlis-kapitol.com

amishaentertainment.com

lauraheagy.com

sjg-central.xyz

amberdreamscattery.com

4848caomm2.com

a1brts.com

americareambulance.com

geekplusrobots.com

wiggitywack.com

baileyit.com

1dayshade.com

dergburo.com

aljeb.com

winnerisserved.com

safetyutilityeng.com

pchconsumerwinneralert.com

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 6 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1820-63-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1820-64-0x000000000041F290-mapping.dmp	xloader
behavioral1/memory/1820-66-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1820-74-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1856-77-0x0000000000080000-0x00000000000AB000-memory.dmp	xloader
behavioral1/memory/1856-81-0x0000000000080000-0x00000000000AB000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

676 cmd.exe

pid	process
676	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

INVOICE xlsx.exeINVOICE xlsx.execmmon32.exe

description	pid	process	target process
PID 1996 set thread context of 1820	1996	INVOICE xlsx.exe	INVOICE xlsx.exe
PID 1820 set thread context of 1256	1820	INVOICE xlsx.exe	Explorer.EXE
PID 1820 set thread context of 1256	1820	INVOICE xlsx.exe	Explorer.EXE
PID 1856 set thread context of 1256	1856	cmmon32.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

INVOICE xlsx.execmmon32.exe

pid	process
1820	INVOICE xlsx.exe
1820	INVOICE xlsx.exe
1820	INVOICE xlsx.exe
1856	cmmon32.exe
1856	cmmon32.exe
1856	cmmon32.exe
1856	cmmon32.exe
1856	cmmon32.exe
1856	cmmon32.exe
1856	cmmon32.exe
1856	cmmon32.exe
1856	cmmon32.exe
1856	cmmon32.exe
1856	cmmon32.exe
1856	cmmon32.exe
1856	cmmon32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

INVOICE xlsx.execmmon32.exe

pid process

1820 INVOICE xlsx.exe
1820 INVOICE xlsx.exe
1820 INVOICE xlsx.exe
1820 INVOICE xlsx.exe
1856 cmmon32.exe
1856 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

INVOICE xlsx.execmmon32.exe

description pid process

Token: SeDebugPrivilege 1820 INVOICE xlsx.exe
Token: SeDebugPrivilege 1856 cmmon32.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1820	INVOICE xlsx.exe
Token: SeDebugPrivilege	1856	cmmon32.exe

pid	process
1256	Explorer.EXE
1256	Explorer.EXE

pid	process
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

INVOICE xlsx.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1996 wrote to memory of 1820	1996	INVOICE xlsx.exe	INVOICE xlsx.exe
PID 1996 wrote to memory of 1820	1996	INVOICE xlsx.exe	INVOICE xlsx.exe
PID 1996 wrote to memory of 1820	1996	INVOICE xlsx.exe	INVOICE xlsx.exe
PID 1996 wrote to memory of 1820	1996	INVOICE xlsx.exe	INVOICE xlsx.exe
PID 1996 wrote to memory of 1820	1996	INVOICE xlsx.exe	INVOICE xlsx.exe
PID 1996 wrote to memory of 1820	1996	INVOICE xlsx.exe	INVOICE xlsx.exe
PID 1996 wrote to memory of 1820	1996	INVOICE xlsx.exe	INVOICE xlsx.exe
PID 1256 wrote to memory of 1856	1256	Explorer.EXE	cmmon32.exe
PID 1256 wrote to memory of 1856	1256	Explorer.EXE	cmmon32.exe
PID 1256 wrote to memory of 1856	1256	Explorer.EXE	cmmon32.exe
PID 1256 wrote to memory of 1856	1256	Explorer.EXE	cmmon32.exe
PID 1856 wrote to memory of 676	1856	cmmon32.exe	cmd.exe
PID 1856 wrote to memory of 676	1856	cmmon32.exe	cmd.exe
PID 1856 wrote to memory of 676	1856	cmmon32.exe	cmd.exe
PID 1856 wrote to memory of 676	1856	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1256

C:\Users\Admin\AppData\Local\Temp\INVOICE xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE xlsx.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1996

C:\Users\Admin\AppData\Local\Temp\INVOICE xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE xlsx.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1820

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1856

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\INVOICE xlsx.exe"
3⤵
- Deletes itself
PID:676

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/676-75-0x0000000000000000-mapping.dmp

Download
memory/1256-69-0x0000000005F80000-0x0000000006121000-memory.dmp

Filesize
1.6MB

Download
memory/1256-82-0x0000000006260000-0x000000000634C000-memory.dmp

Filesize
944KB

Download
memory/1256-80-0x0000000006260000-0x000000000634C000-memory.dmp

Filesize
944KB

Download
memory/1256-72-0x0000000006130000-0x0000000006258000-memory.dmp

Filesize
1.2MB

Download
memory/1820-60-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1820-74-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1820-61-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1820-63-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1820-64-0x000000000041F290-mapping.dmp

Download
memory/1820-66-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1820-67-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download
memory/1820-68-0x0000000000180000-0x0000000000191000-memory.dmp

Filesize
68KB

Download
memory/1820-71-0x00000000001C0000-0x00000000001D1000-memory.dmp

Filesize
68KB

Download
memory/1856-73-0x0000000000000000-mapping.dmp

Download
memory/1856-76-0x0000000000D40000-0x0000000000D4D000-memory.dmp

Filesize
52KB

Download
memory/1856-78-0x0000000002150000-0x0000000002453000-memory.dmp

Filesize
3.0MB

Download
memory/1856-77-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/1856-79-0x0000000000980000-0x0000000000A10000-memory.dmp

Filesize
576KB

Download
memory/1856-81-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/1996-59-0x0000000005080000-0x00000000050B2000-memory.dmp

Filesize
200KB

Download
memory/1996-58-0x00000000057D0000-0x000000000584A000-memory.dmp

Filesize
488KB

Download
memory/1996-54-0x00000000012A0000-0x000000000134C000-memory.dmp

Filesize
688KB

Download
memory/1996-57-0x0000000000C60000-0x0000000000C6E000-memory.dmp

Filesize
56KB

Download
memory/1996-56-0x0000000000530000-0x0000000000550000-memory.dmp

Filesize
128KB

Download
memory/1996-55-0x0000000075841000-0x0000000075843000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads