xloader | 2ea667119c0aeda764dcb53a2adf480a26985bfc682949d0fb0c02d266342c68

General

Target

DHL AWB# 4AB19037XXX.pdf.exe
Size

11KB
MD5

690684b6b6a432ef5f8b34b67653d4be
SHA1

34b072cdd785e0be9bf9717707a72c122ebf8e93
SHA256

2ea667119c0aeda764dcb53a2adf480a26985bfc682949d0fb0c02d266342c68
SHA512

b074acee0f6505a1c179af3149bc9146719b0df0bf6f0efa668d611ff388dc36f5cd7ed3c7c8a98317895ef716818ec0c3841ccff96aba0ba5ce8da15c0c6eb5

Score

10^/10

xloader o4um loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

o4um

C2

http://www.dependablelawnsnow.com/o4um/

Decoy

kagami-belt.com

k7e.xyz

slowcontentmarketing.com

nativeamericannurse.com

stadtquartier.xyz

vietlinkmart.com

numisme.xyz

lypp-sh.com

walkerwaughray.com

homerightsolutions.com

vpdd.top

857741.com

informednewsreader.com

misachoavien.com

aslanrefinedhomes.com

bjhaitaoshop.com

lb-fo.com

shadedfaetattoos.com

tallulahapp.com

amhonlinemarketing.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1396-65-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1396-66-0x000000000041D460-mapping.dmp	xloader
behavioral1/memory/1524-74-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Downloads MZ/PE file

Suspicious use of SetThreadContext 3 IoCs

Processes:

DHL AWB# 4AB19037XXX.pdf.exeRegAsm.exerundll32.exe

description	pid	process	target process
PID 684 set thread context of 1396	684	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 1396 set thread context of 1252	1396	RegAsm.exe	Explorer.EXE
PID 1524 set thread context of 1252	1524	rundll32.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

RegAsm.exerundll32.exe

pid	process
1396	RegAsm.exe
1396	RegAsm.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe
1524	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1252 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegAsm.exerundll32.exe

pid process

1396 RegAsm.exe
1396 RegAsm.exe
1396 RegAsm.exe
1524 rundll32.exe
1524 rundll32.exe

pid	process
1252	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

DHL AWB# 4AB19037XXX.pdf.exeRegAsm.exerundll32.exe

description	pid	process
Token: SeDebugPrivilege	684	DHL AWB# 4AB19037XXX.pdf.exe
Token: SeDebugPrivilege	1396	RegAsm.exe
Token: SeDebugPrivilege	1524	rundll32.exe

Suspicious use of FindShellTrayWindow 5 IoCs

Processes:

Explorer.EXE

pid process

1252 Explorer.EXE
1252 Explorer.EXE
1252 Explorer.EXE
1252 Explorer.EXE
1252 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1252 Explorer.EXE
1252 Explorer.EXE
1252 Explorer.EXE
1252 Explorer.EXE

pid	process
1252	Explorer.EXE
1252	Explorer.EXE
1252	Explorer.EXE
1252	Explorer.EXE
1252	Explorer.EXE

pid	process
1252	Explorer.EXE
1252	Explorer.EXE
1252	Explorer.EXE
1252	Explorer.EXE

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

DHL AWB# 4AB19037XXX.pdf.exeExplorer.EXE

description	pid	process	target process
PID 684 wrote to memory of 1396	684	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 684 wrote to memory of 1396	684	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 684 wrote to memory of 1396	684	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 684 wrote to memory of 1396	684	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 684 wrote to memory of 1396	684	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 684 wrote to memory of 1396	684	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 684 wrote to memory of 1396	684	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 684 wrote to memory of 1396	684	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 684 wrote to memory of 1396	684	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 684 wrote to memory of 1396	684	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 1252 wrote to memory of 1524	1252	Explorer.EXE	rundll32.exe
PID 1252 wrote to memory of 1524	1252	Explorer.EXE	rundll32.exe
PID 1252 wrote to memory of 1524	1252	Explorer.EXE	rundll32.exe
PID 1252 wrote to memory of 1524	1252	Explorer.EXE	rundll32.exe
PID 1252 wrote to memory of 1524	1252	Explorer.EXE	rundll32.exe
PID 1252 wrote to memory of 1524	1252	Explorer.EXE	rundll32.exe
PID 1252 wrote to memory of 1524	1252	Explorer.EXE	rundll32.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1252

C:\Users\Admin\AppData\Local\Temp\DHL AWB# 4AB19037XXX.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL AWB# 4AB19037XXX.pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:684

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1396

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1524

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/684-62-0x000000001B0B0000-0x000000001B0B2000-memory.dmp

Filesize
8KB

Download
memory/684-63-0x0000000001F70000-0x0000000001FD5000-memory.dmp

Filesize
404KB

Download
memory/684-64-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/684-60-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download
memory/1252-70-0x00000000073C0000-0x00000000074E7000-memory.dmp

Filesize
1.2MB

Download
memory/1252-78-0x0000000002700000-0x0000000002710000-memory.dmp

Filesize
64KB

Download
memory/1252-77-0x0000000007210000-0x000000000734F000-memory.dmp

Filesize
1.2MB

Download
memory/1396-65-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1396-68-0x0000000002250000-0x0000000002553000-memory.dmp

Filesize
3.0MB

Download
memory/1396-69-0x0000000000310000-0x0000000000321000-memory.dmp

Filesize
68KB

Download
memory/1396-67-0x0000000075C71000-0x0000000075C73000-memory.dmp

Filesize
8KB

Download
memory/1396-66-0x000000000041D460-mapping.dmp

Download
memory/1524-71-0x0000000000000000-mapping.dmp

Download
memory/1524-73-0x0000000000650000-0x000000000065E000-memory.dmp

Filesize
56KB

Download
memory/1524-75-0x0000000002250000-0x0000000002553000-memory.dmp

Filesize
3.0MB

Download
memory/1524-74-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1524-76-0x0000000000570000-0x0000000000600000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads