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
behavioral2/memory/3584-119-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3584-120-0x000000000041D460-mapping.dmp	xloader
behavioral2/memory/3736-126-0x0000000003200000-0x0000000003229000-memory.dmp	xloader

Downloads MZ/PE file

Suspicious use of SetThreadContext 3 IoCs

Processes:

DHL AWB# 4AB19037XXX.pdf.exeRegAsm.exeNETSTAT.EXE

description	pid	process	target process
PID 1832 set thread context of 3584	1832	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 3584 set thread context of 3052	3584	RegAsm.exe	Explorer.EXE
PID 3736 set thread context of 3052	3736	NETSTAT.EXE	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

3736 NETSTAT.EXE

pid	process
3736	NETSTAT.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-1-5-21-1594587808-2047097707-2163810515-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

RegAsm.exeNETSTAT.EXE

pid	process
3584	RegAsm.exe
3584	RegAsm.exe
3584	RegAsm.exe
3584	RegAsm.exe
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE
3736	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3052 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegAsm.exeNETSTAT.EXE

pid process

3584 RegAsm.exe
3584 RegAsm.exe
3584 RegAsm.exe
3736 NETSTAT.EXE
3736 NETSTAT.EXE

pid	process
3052	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

DHL AWB# 4AB19037XXX.pdf.exeRegAsm.exeNETSTAT.EXEExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1832	DHL AWB# 4AB19037XXX.pdf.exe
Token: SeDebugPrivilege	3584	RegAsm.exe
Token: SeDebugPrivilege	3736	NETSTAT.EXE
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

3052 Explorer.EXE
3052 Explorer.EXE
3052 Explorer.EXE
3052 Explorer.EXE

pid	process
3052	Explorer.EXE
3052	Explorer.EXE
3052	Explorer.EXE
3052	Explorer.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

DHL AWB# 4AB19037XXX.pdf.exeExplorer.EXE

description	pid	process	target process
PID 1832 wrote to memory of 3584	1832	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 1832 wrote to memory of 3584	1832	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 1832 wrote to memory of 3584	1832	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 1832 wrote to memory of 3584	1832	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 1832 wrote to memory of 3584	1832	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 1832 wrote to memory of 3584	1832	DHL AWB# 4AB19037XXX.pdf.exe	RegAsm.exe
PID 3052 wrote to memory of 3736	3052	Explorer.EXE	NETSTAT.EXE
PID 3052 wrote to memory of 3736	3052	Explorer.EXE	NETSTAT.EXE
PID 3052 wrote to memory of 3736	3052	Explorer.EXE	NETSTAT.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 WriteProcessMemory
PID:3052

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:1832

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:3584

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3736

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1832-114-0x0000000000E30000-0x0000000000E31000-memory.dmp

Filesize
4KB

Download
memory/1832-116-0x00000000015A0000-0x00000000015A2000-memory.dmp

Filesize
8KB

Download
memory/1832-117-0x0000000002E60000-0x0000000002EC5000-memory.dmp

Filesize
404KB

Download
memory/1832-118-0x0000000001570000-0x0000000001571000-memory.dmp

Filesize
4KB

Download
memory/3052-129-0x0000000006520000-0x000000000661D000-memory.dmp

Filesize
1012KB

Download
memory/3052-123-0x0000000003120000-0x0000000003204000-memory.dmp

Filesize
912KB

Download
memory/3584-122-0x0000000002630000-0x0000000002641000-memory.dmp

Filesize
68KB

Download
memory/3584-121-0x0000000002780000-0x0000000002AA0000-memory.dmp

Filesize
3.1MB

Download
memory/3584-120-0x000000000041D460-mapping.dmp

Download
memory/3584-119-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3736-124-0x0000000000000000-mapping.dmp

Download
memory/3736-126-0x0000000003200000-0x0000000003229000-memory.dmp

Filesize
164KB

Download
memory/3736-125-0x0000000000EA0000-0x0000000000EAB000-memory.dmp

Filesize
44KB

Download
memory/3736-127-0x00000000033B0000-0x00000000036D0000-memory.dmp

Filesize
3.1MB

Download
memory/3736-128-0x0000000003760000-0x00000000037F0000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads