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
behavioral2/memory/1272-127-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1272-128-0x000000000041D4C0-mapping.dmp	xloader
behavioral2/memory/2904-136-0x0000000000140000-0x0000000000169000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

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

description	pid	process	target process
PID 3156 set thread context of 1272	3156	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 1272 set thread context of 3040	1272	shipping docs 07853 draft CI+PL_pdf.exe	Explorer.EXE
PID 2904 set thread context of 3040	2904	mstsc.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

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

pid	process
3156	shipping docs 07853 draft CI+PL_pdf.exe
3156	shipping docs 07853 draft CI+PL_pdf.exe
1272	shipping docs 07853 draft CI+PL_pdf.exe
1272	shipping docs 07853 draft CI+PL_pdf.exe
1272	shipping docs 07853 draft CI+PL_pdf.exe
1272	shipping docs 07853 draft CI+PL_pdf.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe
2904	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3040 Explorer.EXE

pid	process
3040	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

shipping docs 07853 draft CI+PL_pdf.exemstsc.exe

pid	process
1272	shipping docs 07853 draft CI+PL_pdf.exe
1272	shipping docs 07853 draft CI+PL_pdf.exe
1272	shipping docs 07853 draft CI+PL_pdf.exe
2904	mstsc.exe
2904	mstsc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

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

description	pid	process
Token: SeDebugPrivilege	3156	shipping docs 07853 draft CI+PL_pdf.exe
Token: SeDebugPrivilege	1272	shipping docs 07853 draft CI+PL_pdf.exe
Token: SeDebugPrivilege	2904	mstsc.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3040

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:3156

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:908

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:1272

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2904

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\shipping docs 07853 draft CI+PL_pdf.exe"
3⤵
PID:3548

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1272-127-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1272-131-0x00000000012A0000-0x00000000012B1000-memory.dmp

Filesize
68KB

Download
memory/1272-130-0x00000000012C0000-0x00000000015E0000-memory.dmp

Filesize
3.1MB

Download
memory/1272-128-0x000000000041D4C0-mapping.dmp

Download
memory/2904-136-0x0000000000140000-0x0000000000169000-memory.dmp

Filesize
164KB

Download
memory/2904-138-0x0000000004480000-0x0000000004510000-memory.dmp

Filesize
576KB

Download
memory/2904-137-0x0000000004630000-0x0000000004950000-memory.dmp

Filesize
3.1MB

Download
memory/2904-135-0x0000000000230000-0x000000000052C000-memory.dmp

Filesize
3.0MB

Download
memory/2904-133-0x0000000000000000-mapping.dmp

Download
memory/3040-132-0x0000000006920000-0x0000000006AB1000-memory.dmp

Filesize
1.6MB

Download
memory/3040-139-0x0000000002AC0000-0x0000000002B95000-memory.dmp

Filesize
852KB

Download
memory/3156-123-0x0000000007BA0000-0x0000000007BA6000-memory.dmp

Filesize
24KB

Download
memory/3156-120-0x00000000058A0000-0x00000000058A1000-memory.dmp

Filesize
4KB

Download
memory/3156-121-0x0000000005440000-0x0000000005441000-memory.dmp

Filesize
4KB

Download
memory/3156-118-0x0000000000A30000-0x0000000000A31000-memory.dmp

Filesize
4KB

Download
memory/3156-122-0x0000000005420000-0x0000000005421000-memory.dmp

Filesize
4KB

Download
memory/3156-124-0x00000000053A0000-0x000000000589E000-memory.dmp

Filesize
5.0MB

Download
memory/3156-126-0x0000000007680000-0x00000000076CA000-memory.dmp

Filesize
296KB

Download
memory/3156-125-0x0000000007BB0000-0x0000000007BB1000-memory.dmp

Filesize
4KB

Download
memory/3548-134-0x0000000000000000-mapping.dmp

Download

description	pid	process	target process
PID 3156 wrote to memory of 908	3156	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 3156 wrote to memory of 908	3156	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 3156 wrote to memory of 908	3156	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 3156 wrote to memory of 1272	3156	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 3156 wrote to memory of 1272	3156	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 3156 wrote to memory of 1272	3156	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 3156 wrote to memory of 1272	3156	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 3156 wrote to memory of 1272	3156	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 3156 wrote to memory of 1272	3156	shipping docs 07853 draft CI+PL_pdf.exe	shipping docs 07853 draft CI+PL_pdf.exe
PID 3040 wrote to memory of 2904	3040	Explorer.EXE	mstsc.exe
PID 3040 wrote to memory of 2904	3040	Explorer.EXE	mstsc.exe
PID 3040 wrote to memory of 2904	3040	Explorer.EXE	mstsc.exe
PID 2904 wrote to memory of 3548	2904	mstsc.exe	cmd.exe
PID 2904 wrote to memory of 3548	2904	mstsc.exe	cmd.exe
PID 2904 wrote to memory of 3548	2904	mstsc.exe	cmd.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads