xloader | c08635756f84fd0564e081544cb5c5b2130d14b1a0965be3f971be131f401b70

General

Target

Package Details.exe
Size

432KB
MD5

238a711fcfa7ed1c1556236e91227193
SHA1

fd5a53af42d006ba81383e4b4224d2b4807f3f01
SHA256

c08635756f84fd0564e081544cb5c5b2130d14b1a0965be3f971be131f401b70
SHA512

bda31ced6f234ff81e4957d297d29018caeed9053d5061505b84729118774885245b6fe2604dd010de3e6f81f7f39b78e2de5000d1a10d992c5b9d3974fffee3

Score

10^/10

xloader rexd loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

rexd

Decoy

xn--2es77o3w1bruk.mobi

cotesaintetienne.com

newlifefoursquaremcpherson.com

solutions-consulting.biz

chsico.com

demeet.xyz

eiruhguijire.store

realestatemoda.com

amr-fire.net

99v.one

altdaita.com

showerbeast.com

nsfone.com

doanhnhanvietnam.info

xn--transfpanou-39a.com

invitiz.com

chifaebio.xyz

footprint-farm.com

onlinenurseprograms.com

tigeratlspa.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/384-61-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/384-66-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1688-70-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

340 cmd.exe

pid	process
340	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Package Details.exePackage Details.exehelp.exe

description	pid	process	target process
PID 1528 set thread context of 384	1528	Package Details.exe	Package Details.exe
PID 384 set thread context of 1380	384	Package Details.exe	Explorer.EXE
PID 384 set thread context of 1380	384	Package Details.exe	Explorer.EXE
PID 1688 set thread context of 1380	1688	help.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

Package Details.exehelp.exe

pid	process
384	Package Details.exe
384	Package Details.exe
384	Package Details.exe
1688	help.exe
1688	help.exe
1688	help.exe
1688	help.exe
1688	help.exe
1688	help.exe
1688	help.exe
1688	help.exe
1688	help.exe
1688	help.exe
1688	help.exe
1688	help.exe
1688	help.exe
1688	help.exe
1688	help.exe
1688	help.exe
1688	help.exe
1688	help.exe
1688	help.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Package Details.exehelp.exe

pid process

384 Package Details.exe
384 Package Details.exe
384 Package Details.exe
384 Package Details.exe
1688 help.exe
1688 help.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Package Details.exehelp.exe

description pid process

Token: SeDebugPrivilege 384 Package Details.exe
Token: SeDebugPrivilege 1688 help.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1380 Explorer.EXE
1380 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1380 Explorer.EXE
1380 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	384	Package Details.exe
Token: SeDebugPrivilege	1688	help.exe

pid	process
1380	Explorer.EXE
1380	Explorer.EXE

pid	process
1380	Explorer.EXE
1380	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Package Details.exePackage Details.exehelp.exe

description	pid	process	target process
PID 1528 wrote to memory of 384	1528	Package Details.exe	Package Details.exe
PID 1528 wrote to memory of 384	1528	Package Details.exe	Package Details.exe
PID 1528 wrote to memory of 384	1528	Package Details.exe	Package Details.exe
PID 1528 wrote to memory of 384	1528	Package Details.exe	Package Details.exe
PID 1528 wrote to memory of 384	1528	Package Details.exe	Package Details.exe
PID 1528 wrote to memory of 384	1528	Package Details.exe	Package Details.exe
PID 1528 wrote to memory of 384	1528	Package Details.exe	Package Details.exe
PID 384 wrote to memory of 1688	384	Package Details.exe	help.exe
PID 384 wrote to memory of 1688	384	Package Details.exe	help.exe
PID 384 wrote to memory of 1688	384	Package Details.exe	help.exe
PID 384 wrote to memory of 1688	384	Package Details.exe	help.exe
PID 1688 wrote to memory of 340	1688	help.exe	cmd.exe
PID 1688 wrote to memory of 340	1688	help.exe	cmd.exe
PID 1688 wrote to memory of 340	1688	help.exe	cmd.exe
PID 1688 wrote to memory of 340	1688	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1380

C:\Users\Admin\AppData\Local\Temp\Package Details.exe
"C:\Users\Admin\AppData\Local\Temp\Package Details.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1528

C:\Users\Admin\AppData\Local\Temp\Package Details.exe
"C:\Users\Admin\AppData\Local\Temp\Package Details.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:384

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Package Details.exe"
5⤵
- Deletes itself
PID:340

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/384-67-0x0000000000380000-0x0000000000391000-memory.dmp

Filesize
68KB

Download
memory/384-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/384-63-0x0000000000890000-0x0000000000C93000-memory.dmp

Filesize
4.0MB

Download
memory/384-64-0x0000000000280000-0x0000000000291000-memory.dmp

Filesize
68KB

Download
memory/384-66-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/384-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/384-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1380-73-0x0000000006500000-0x000000000660D000-memory.dmp

Filesize
1.1MB

Download
memory/1380-65-0x0000000006FF0000-0x0000000007199000-memory.dmp

Filesize
1.7MB

Download
memory/1380-68-0x0000000004AD0000-0x0000000004B80000-memory.dmp

Filesize
704KB

Download
memory/1528-56-0x0000000004C90000-0x0000000004C91000-memory.dmp

Filesize
4KB

Download
memory/1528-55-0x0000000076121000-0x0000000076123000-memory.dmp

Filesize
8KB

Download
memory/1528-58-0x0000000004CD0000-0x0000000004D2E000-memory.dmp

Filesize
376KB

Download
memory/1528-54-0x0000000010FF0000-0x0000000011060000-memory.dmp

Filesize
448KB

Download
memory/1528-57-0x0000000000320000-0x000000000032C000-memory.dmp

Filesize
48KB

Download
memory/1688-69-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/1688-70-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1688-71-0x0000000000860000-0x0000000000B63000-memory.dmp

Filesize
3.0MB

Download
memory/1688-72-0x0000000000590000-0x0000000000620000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads