xloader | 9b26849133bb64946dd7016479a09f500cc3af1386b7cadae5cfa737533f67f0

General

Target

65231303dd5b070c5b5bcbba06839b0d.exe
Size

768KB
MD5

65231303dd5b070c5b5bcbba06839b0d
SHA1

bdf5f1f2fc88253e0dd08b44be841513bcaaf581
SHA256

9b26849133bb64946dd7016479a09f500cc3af1386b7cadae5cfa737533f67f0
SHA512

753d9569eb18e98d235f441ddf7057bfa3cad04297b37e8e459a4ed84165d180584ab1b86acb70d380cfb8107e16ab87796b77079589841abade34cf46c35b08

Score

10^/10

xloader b5ce loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

b5ce

Decoy

xn--qoq07c2d937c.com

centraliaapartment.com

seusucesso.online

paraquat-litigationhelp.com

thatsamirror.com

nwtxxe.website

styledns.com

dalealamusica.com

casixinc.com

candgconstructiontx.com

suityhaluat.quest

tristarmegah.com

soposhshop.com

rosevilletavernandgrillpa.com

galateaspain.com

06mpt.xyz

tongue.services

jw0074awscloud.com

layeronelabs.com

engelbrecht-ayurveda.net

Signatures

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

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/592-63-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1324-70-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

msiexec.exe

flow pid process

15 1324 msiexec.exe

flow	pid	process
15	1324	msiexec.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

65231303dd5b070c5b5bcbba06839b0d.exeMSBuild.exemsiexec.exe

description	pid	process	target process
PID 1620 set thread context of 592	1620	65231303dd5b070c5b5bcbba06839b0d.exe	MSBuild.exe
PID 592 set thread context of 1228	592	MSBuild.exe	Explorer.EXE
PID 1324 set thread context of 1228	1324	msiexec.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

MSBuild.exemsiexec.exe

pid	process
592	MSBuild.exe
592	MSBuild.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe
1324	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

MSBuild.exemsiexec.exe

pid process

592 MSBuild.exe
592 MSBuild.exe
592 MSBuild.exe
1324 msiexec.exe
1324 msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MSBuild.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 592 MSBuild.exe
Token: SeDebugPrivilege 1324 msiexec.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1228 Explorer.EXE
1228 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1228 Explorer.EXE
1228 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	592	MSBuild.exe
Token: SeDebugPrivilege	1324	msiexec.exe

pid	process
1228	Explorer.EXE
1228	Explorer.EXE

pid	process
1228	Explorer.EXE
1228	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

65231303dd5b070c5b5bcbba06839b0d.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 1620 wrote to memory of 592	1620	65231303dd5b070c5b5bcbba06839b0d.exe	MSBuild.exe
PID 1620 wrote to memory of 592	1620	65231303dd5b070c5b5bcbba06839b0d.exe	MSBuild.exe
PID 1620 wrote to memory of 592	1620	65231303dd5b070c5b5bcbba06839b0d.exe	MSBuild.exe
PID 1620 wrote to memory of 592	1620	65231303dd5b070c5b5bcbba06839b0d.exe	MSBuild.exe
PID 1620 wrote to memory of 592	1620	65231303dd5b070c5b5bcbba06839b0d.exe	MSBuild.exe
PID 1620 wrote to memory of 592	1620	65231303dd5b070c5b5bcbba06839b0d.exe	MSBuild.exe
PID 1620 wrote to memory of 592	1620	65231303dd5b070c5b5bcbba06839b0d.exe	MSBuild.exe
PID 1228 wrote to memory of 1324	1228	Explorer.EXE	msiexec.exe
PID 1228 wrote to memory of 1324	1228	Explorer.EXE	msiexec.exe
PID 1228 wrote to memory of 1324	1228	Explorer.EXE	msiexec.exe
PID 1228 wrote to memory of 1324	1228	Explorer.EXE	msiexec.exe
PID 1228 wrote to memory of 1324	1228	Explorer.EXE	msiexec.exe
PID 1228 wrote to memory of 1324	1228	Explorer.EXE	msiexec.exe
PID 1228 wrote to memory of 1324	1228	Explorer.EXE	msiexec.exe
PID 1324 wrote to memory of 1144	1324	msiexec.exe	cmd.exe
PID 1324 wrote to memory of 1144	1324	msiexec.exe	cmd.exe
PID 1324 wrote to memory of 1144	1324	msiexec.exe	cmd.exe
PID 1324 wrote to memory of 1144	1324	msiexec.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:1228

C:\Users\Admin\AppData\Local\Temp\65231303dd5b070c5b5bcbba06839b0d.exe
"C:\Users\Admin\AppData\Local\Temp\65231303dd5b070c5b5bcbba06839b0d.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1620

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:592

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
3⤵
PID:1144

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/592-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/592-66-0x0000000000140000-0x0000000000151000-memory.dmp

Filesize
68KB

Download
memory/592-65-0x0000000000890000-0x0000000000C93000-memory.dmp

Filesize
4.0MB

Download
memory/592-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/592-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1228-73-0x0000000004BE0000-0x0000000004C74000-memory.dmp

Filesize
592KB

Download
memory/1228-67-0x0000000006190000-0x00000000062A1000-memory.dmp

Filesize
1.1MB

Download
memory/1324-69-0x0000000000950000-0x0000000000964000-memory.dmp

Filesize
80KB

Download
memory/1324-70-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1324-71-0x00000000022B0000-0x00000000025B3000-memory.dmp

Filesize
3.0MB

Download
memory/1324-72-0x0000000000380000-0x00000000006A9000-memory.dmp

Filesize
3.2MB

Download
memory/1620-60-0x0000000004390000-0x0000000004436000-memory.dmp

Filesize
664KB

Download
memory/1620-59-0x000000007EF40000-0x000000007EF41000-memory.dmp

Filesize
4KB

Download
memory/1620-58-0x0000000000660000-0x000000000066E000-memory.dmp

Filesize
56KB

Download
memory/1620-57-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

Filesize
4KB

Download
memory/1620-55-0x0000000000D90000-0x0000000000E58000-memory.dmp

Filesize
800KB

Download
memory/1620-56-0x00000000763F1000-0x00000000763F3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads