xloader | 1356fb5359af3691295d961587737f67afe5c7910c50151d6028d3b69762c04f

General

Target

shipping docs 07853 draft CI+PL_pdf.exe
Size

405KB
MD5

d2416ffd6622325de15094f298d46498
SHA1

5a732449aded6f18071dc053ba23031effd9ce1a
SHA256

66ebc2bbaf8ea07be988cce296542d9e1d7d24fbfe4523894bfd5a8c4474502e
SHA512

14df50fdde872c1f11f68dba2fad672dee8c4473abe3ee05f4a1ad7c97d573e08b4bf15dca6bfe63a5d8ebc2d43eb93d9397bd59dbd030b429359e5992b263fe

Score

10^/10

xloader bs8f loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

bs8f

C2

http://www.rwilogisticsandbrokerage.com/bs8f/

Decoy

vasilnikov.com

parkate.club

pol360.com

handmadequatang.com

consult-set.com

nourkoki.com

theveganfusspot.com

dreamssail.com

pinpinyouqian.xyz

satellitphonestore.com

yotosunny.com

telosaolympics.com

gogetemm.com

yozotnpasumo2.xyz

avantgardemarket.com

glenndcp.com

dirtydriverz.com

avaui.com

anchoredtheblog.com

marianaoliveiraarquitetura.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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/852-64-0x000000000041D4C0-mapping.dmp	xloader
behavioral1/memory/852-63-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/816-73-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1092 cmd.exe

pid	process
1092	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

shipping docs 07853 draft CI+PL_pdf.exeshipping docs 07853 draft CI+PL_pdf.execmstp.exe

description	pid	process	target process
PID 668 set thread context of 852	668	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 852 set thread context of 1268	852	shipping docs 07853 draft CI+PL_pdf.exe	Explorer.EXE
PID 816 set thread context of 1268	816	cmstp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

shipping docs 07853 draft CI+PL_pdf.exeshipping docs 07853 draft CI+PL_pdf.execmstp.exe

pid	process
668	shipping docs 07853 draft CI+PL_pdf.exe
852	shipping docs 07853 draft CI+PL_pdf.exe
852	shipping docs 07853 draft CI+PL_pdf.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

shipping docs 07853 draft CI+PL_pdf.execmstp.exe

pid	process
852	shipping docs 07853 draft CI+PL_pdf.exe
852	shipping docs 07853 draft CI+PL_pdf.exe
852	shipping docs 07853 draft CI+PL_pdf.exe
816	cmstp.exe
816	cmstp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

shipping docs 07853 draft CI+PL_pdf.exeshipping docs 07853 draft CI+PL_pdf.execmstp.exe

description	pid	process
Token: SeDebugPrivilege	668	shipping docs 07853 draft CI+PL_pdf.exe
Token: SeDebugPrivilege	852	shipping docs 07853 draft CI+PL_pdf.exe
Token: SeDebugPrivilege	816	cmstp.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

shipping docs 07853 draft CI+PL_pdf.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 668 wrote to memory of 1464	668	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 668 wrote to memory of 1464	668	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 668 wrote to memory of 1464	668	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 668 wrote to memory of 1464	668	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 668 wrote to memory of 852	668	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 668 wrote to memory of 852	668	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 668 wrote to memory of 852	668	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 668 wrote to memory of 852	668	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 668 wrote to memory of 852	668	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 668 wrote to memory of 852	668	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 668 wrote to memory of 852	668	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 1268 wrote to memory of 816	1268	Explorer.EXE	cmstp.exe
PID 1268 wrote to memory of 816	1268	Explorer.EXE	cmstp.exe
PID 1268 wrote to memory of 816	1268	Explorer.EXE	cmstp.exe
PID 1268 wrote to memory of 816	1268	Explorer.EXE	cmstp.exe
PID 1268 wrote to memory of 816	1268	Explorer.EXE	cmstp.exe
PID 1268 wrote to memory of 816	1268	Explorer.EXE	cmstp.exe
PID 1268 wrote to memory of 816	1268	Explorer.EXE	cmstp.exe
PID 816 wrote to memory of 1092	816	cmstp.exe	cmd.exe
PID 816 wrote to memory of 1092	816	cmstp.exe	cmd.exe
PID 816 wrote to memory of 1092	816	cmstp.exe	cmd.exe
PID 816 wrote to memory of 1092	816	cmstp.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:1268

C:\Users\Admin\AppData\Local\Temp\shipping docs 07853 draft CI+PL_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\shipping docs 07853 draft CI+PL_pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:668

C:\Users\Admin\AppData\Local\Temp\shipping docs 07853 draft CI+PL_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\shipping docs 07853 draft CI+PL_pdf.exe"
3⤵
PID:1464

C:\Users\Admin\AppData\Local\Temp\shipping docs 07853 draft CI+PL_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\shipping docs 07853 draft CI+PL_pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:852

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:816

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\shipping docs 07853 draft CI+PL_pdf.exe"
3⤵
- Deletes itself
PID:1092

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/668-55-0x00000000000E0000-0x00000000000E1000-memory.dmp

Filesize
4KB

Download
memory/668-57-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download
memory/668-58-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

Filesize
4KB

Download
memory/668-59-0x0000000000780000-0x0000000000786000-memory.dmp

Filesize
24KB

Download
memory/668-60-0x0000000004B00000-0x0000000004B4A000-memory.dmp

Filesize
296KB

Download
memory/816-69-0x0000000000000000-mapping.dmp

Download
memory/816-72-0x00000000007E0000-0x00000000007F8000-memory.dmp

Filesize
96KB

Download
memory/816-75-0x0000000000740000-0x00000000007D0000-memory.dmp

Filesize
576KB

Download
memory/816-74-0x0000000001F20000-0x0000000002223000-memory.dmp

Filesize
3.0MB

Download
memory/816-73-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/852-67-0x0000000000250000-0x0000000000261000-memory.dmp

Filesize
68KB

Download
memory/852-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/852-66-0x0000000000880000-0x0000000000B83000-memory.dmp

Filesize
3.0MB

Download
memory/852-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/852-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/852-64-0x000000000041D4C0-mapping.dmp

Download
memory/1092-71-0x0000000000000000-mapping.dmp

Download
memory/1268-68-0x00000000065C0000-0x00000000066F8000-memory.dmp

Filesize
1.2MB

Download
memory/1268-76-0x0000000003DB0000-0x0000000003E76000-memory.dmp

Filesize
792KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads