xloader | 104f4489ec8b1b693b839dc39082f5f07e569be7728dbd3e0d8172a76f6dce68

General

Target

QUOTE B1020363.PDF.exe
Size

598KB
MD5

ecc182f3b2feaedcd32a97c51f01f652
SHA1

2c5b57854e772c72f3410d3ee3a29e19b654af1d
SHA256

cc58e505c504c770a1031d30453615f7748b0618b872655ac79a059a072c194c
SHA512

a593ae7b7d81499589722f5b420d645a25b030c264b9ef490016cb7b9e6845cf674b0d25371670c8fef86b54b7716e3f34b70e44b7b084535d8963580e88050d

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.huamxvcyq.icu/aepn/

Decoy

noesos.com

partsus.xyz

manageordercentersupp.com

wickedwallart.com

hike4cash.com

theviragocircle.com

followthesharks.com

paradisevalleywines.com

unmetrolimpio.com

eurocarsnj.com

alvaroeliseo.com

bfc8.xyz

oldcourts.com

bkpef.info

mammately.com

agentcharles.com

wwwmichiganbulb.com

pensolid.info

hibiscushealthcare.com

mwanakbk.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1112-125-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1112-126-0x000000000041D070-mapping.dmp	xloader
behavioral2/memory/780-133-0x0000000000F10000-0x0000000000F39000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

QUOTE B1020363.PDF.exeRegSvcs.execmstp.exe

description	pid	process	target process
PID 3172 set thread context of 1112	3172	QUOTE B1020363.PDF.exe	RegSvcs.exe
PID 1112 set thread context of 2984	1112	RegSvcs.exe	Explorer.EXE
PID 780 set thread context of 2984	780	cmstp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

QUOTE B1020363.PDF.exeRegSvcs.execmstp.exe

pid	process
3172	QUOTE B1020363.PDF.exe
3172	QUOTE B1020363.PDF.exe
3172	QUOTE B1020363.PDF.exe
1112	RegSvcs.exe
1112	RegSvcs.exe
1112	RegSvcs.exe
1112	RegSvcs.exe
780	cmstp.exe
780	cmstp.exe
780	cmstp.exe
780	cmstp.exe
780	cmstp.exe
780	cmstp.exe
780	cmstp.exe
780	cmstp.exe
780	cmstp.exe
780	cmstp.exe
780	cmstp.exe
780	cmstp.exe
780	cmstp.exe
780	cmstp.exe
780	cmstp.exe
780	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.execmstp.exe

pid process

1112 RegSvcs.exe
1112 RegSvcs.exe
1112 RegSvcs.exe
780 cmstp.exe
780 cmstp.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

QUOTE B1020363.PDF.exeRegSvcs.execmstp.exe

description pid process

Token: SeDebugPrivilege 3172 QUOTE B1020363.PDF.exe
Token: SeDebugPrivilege 1112 RegSvcs.exe
Token: SeDebugPrivilege 780 cmstp.exe

pid	process
1112	RegSvcs.exe
1112	RegSvcs.exe
1112	RegSvcs.exe
780	cmstp.exe
780	cmstp.exe

description	pid	process
Token: SeDebugPrivilege	3172	QUOTE B1020363.PDF.exe
Token: SeDebugPrivilege	1112	RegSvcs.exe
Token: SeDebugPrivilege	780	cmstp.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

QUOTE B1020363.PDF.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 3172 wrote to memory of 1112	3172	QUOTE B1020363.PDF.exe	RegSvcs.exe
PID 3172 wrote to memory of 1112	3172	QUOTE B1020363.PDF.exe	RegSvcs.exe
PID 3172 wrote to memory of 1112	3172	QUOTE B1020363.PDF.exe	RegSvcs.exe
PID 3172 wrote to memory of 1112	3172	QUOTE B1020363.PDF.exe	RegSvcs.exe
PID 3172 wrote to memory of 1112	3172	QUOTE B1020363.PDF.exe	RegSvcs.exe
PID 3172 wrote to memory of 1112	3172	QUOTE B1020363.PDF.exe	RegSvcs.exe
PID 2984 wrote to memory of 780	2984	Explorer.EXE	cmstp.exe
PID 2984 wrote to memory of 780	2984	Explorer.EXE	cmstp.exe
PID 2984 wrote to memory of 780	2984	Explorer.EXE	cmstp.exe
PID 780 wrote to memory of 784	780	cmstp.exe	cmd.exe
PID 780 wrote to memory of 784	780	cmstp.exe	cmd.exe
PID 780 wrote to memory of 784	780	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:2984

C:\Users\Admin\AppData\Local\Temp\QUOTE B1020363.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTE B1020363.PDF.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3172

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1112

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:780

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:784

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/780-131-0x0000000000000000-mapping.dmp

Download
memory/780-136-0x0000000004EC0000-0x0000000004F50000-memory.dmp

Filesize
576KB

Download
memory/780-135-0x0000000005060000-0x0000000005380000-memory.dmp

Filesize
3.1MB

Download
memory/780-132-0x0000000001300000-0x0000000001316000-memory.dmp

Filesize
88KB

Download
memory/780-133-0x0000000000F10000-0x0000000000F39000-memory.dmp

Filesize
164KB

Download
memory/784-134-0x0000000000000000-mapping.dmp

Download
memory/1112-125-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1112-128-0x00000000011F0000-0x0000000001510000-memory.dmp

Filesize
3.1MB

Download
memory/1112-129-0x0000000001190000-0x00000000011A1000-memory.dmp

Filesize
68KB

Download
memory/1112-126-0x000000000041D070-mapping.dmp

Download
memory/2984-137-0x00000000066F0000-0x0000000006820000-memory.dmp

Filesize
1.2MB

Download
memory/2984-130-0x00000000065A0000-0x00000000066E6000-memory.dmp

Filesize
1.3MB

Download
memory/3172-114-0x00000000008C0000-0x00000000008C1000-memory.dmp

Filesize
4KB

Download
memory/3172-122-0x000000007ED30000-0x000000007ED31000-memory.dmp

Filesize
4KB

Download
memory/3172-124-0x0000000008480000-0x00000000084AE000-memory.dmp

Filesize
184KB

Download
memory/3172-121-0x00000000050E0000-0x00000000055DE000-memory.dmp

Filesize
5.0MB

Download
memory/3172-120-0x0000000005D40000-0x0000000005D49000-memory.dmp

Filesize
36KB

Download
memory/3172-119-0x0000000005190000-0x0000000005191000-memory.dmp

Filesize
4KB

Download
memory/3172-118-0x0000000005260000-0x0000000005261000-memory.dmp

Filesize
4KB

Download
memory/3172-117-0x00000000051C0000-0x00000000051C1000-memory.dmp

Filesize
4KB

Download
memory/3172-116-0x00000000055E0000-0x00000000055E1000-memory.dmp

Filesize
4KB

Download
memory/3172-123-0x0000000001170000-0x00000000011E3000-memory.dmp

Filesize
460KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads