xloader | eed781a42769761d30787cecd662c5b6ba70589724a456d09ae008e1bd68835f

General

Target

vbc new.exe
Size

375KB
MD5

1463a8e3cbd8b63c709495a91ff95506
SHA1

d9840f1e6c9e94f6ec2f55703e2dfdd49598f89c
SHA256

eed781a42769761d30787cecd662c5b6ba70589724a456d09ae008e1bd68835f
SHA512

924e9444779ac3e9be6196bd58f2cef4aae3f2230694fe1ad0777efe079c324b072a1e98f0bb1ca077f099739c21057f1fe53c3950384291116c742aade445a9

Score

10^/10

xloader euzn loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

euzn

C2

http://www.heser.net/euzn/

Decoy

235296tyc.com

gold12guide.art

baibuaherb.com

weberwines.tax

chezvitoria.com

aidenb.tech

pitchdeckservice.com

surgeryforfdf.xyz

workunvaccinated.com

hrtaro.com

yourotcs.com

sonimultispecialityclinic.com

consultantadvisors.com

pentesting-consulting.com

dantechs.digital

longshifa.online

taweilai.net

imyusuke.com

cashndashfinancial.com

fasiglimt.quest

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3924-124-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3924-125-0x000000000041D420-mapping.dmp	xloader
behavioral2/memory/3008-134-0x0000000000BA0000-0x0000000000BC9000-memory.dmp	xloader
behavioral2/memory/3008-136-0x0000000000E50000-0x0000000000EFE000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc new.exevbc new.exemsiexec.exe

description	pid	process	target process
PID 3040 set thread context of 3924	3040	vbc new.exe	vbc new.exe
PID 3924 set thread context of 3028	3924	vbc new.exe	Explorer.EXE
PID 3008 set thread context of 3028	3008	msiexec.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

vbc new.exemsiexec.exe

pid	process
3924	vbc new.exe
3924	vbc new.exe
3924	vbc new.exe
3924	vbc new.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe
3008	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3028 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc new.exemsiexec.exe

pid process

3924 vbc new.exe
3924 vbc new.exe
3924 vbc new.exe
3008 msiexec.exe
3008 msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

vbc new.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 3924 vbc new.exe
Token: SeDebugPrivilege 3008 msiexec.exe

pid	process
3028	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	3924	vbc new.exe
Token: SeDebugPrivilege	3008	msiexec.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

vbc new.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 3040 wrote to memory of 3924	3040	vbc new.exe	vbc new.exe
PID 3040 wrote to memory of 3924	3040	vbc new.exe	vbc new.exe
PID 3040 wrote to memory of 3924	3040	vbc new.exe	vbc new.exe
PID 3040 wrote to memory of 3924	3040	vbc new.exe	vbc new.exe
PID 3040 wrote to memory of 3924	3040	vbc new.exe	vbc new.exe
PID 3040 wrote to memory of 3924	3040	vbc new.exe	vbc new.exe
PID 3028 wrote to memory of 3008	3028	Explorer.EXE	msiexec.exe
PID 3028 wrote to memory of 3008	3028	Explorer.EXE	msiexec.exe
PID 3028 wrote to memory of 3008	3028	Explorer.EXE	msiexec.exe
PID 3008 wrote to memory of 1420	3008	msiexec.exe	cmd.exe
PID 3008 wrote to memory of 1420	3008	msiexec.exe	cmd.exe
PID 3008 wrote to memory of 1420	3008	msiexec.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3028

C:\Users\Admin\AppData\Local\Temp\vbc new.exe
"C:\Users\Admin\AppData\Local\Temp\vbc new.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3040

C:\Users\Admin\AppData\Local\Temp\vbc new.exe
"C:\Users\Admin\AppData\Local\Temp\vbc new.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3924

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\vbc new.exe"
3⤵
PID:1420

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1420-135-0x0000000000000000-mapping.dmp

Download
memory/3008-137-0x0000000001240000-0x00000000012D0000-memory.dmp

Filesize
576KB

Download
memory/3008-136-0x0000000000E50000-0x0000000000EFE000-memory.dmp

Filesize
696KB

Download
memory/3008-134-0x0000000000BA0000-0x0000000000BC9000-memory.dmp

Filesize
164KB

Download
memory/3008-133-0x00000000012F0000-0x0000000001302000-memory.dmp

Filesize
72KB

Download
memory/3008-132-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3008-131-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3008-130-0x0000000000000000-mapping.dmp

Download
memory/3028-129-0x0000000004E20000-0x0000000004F3D000-memory.dmp

Filesize
1.1MB

Download
memory/3028-138-0x00000000007A0000-0x0000000000833000-memory.dmp

Filesize
588KB

Download
memory/3040-121-0x0000000008BB0000-0x0000000008BB6000-memory.dmp

Filesize
24KB

Download
memory/3040-123-0x0000000008CB0000-0x0000000008CFA000-memory.dmp

Filesize
296KB

Download
memory/3040-122-0x0000000008BC0000-0x0000000008BC1000-memory.dmp

Filesize
4KB

Download
memory/3040-115-0x0000000000C60000-0x0000000000C61000-memory.dmp

Filesize
4KB

Download
memory/3040-120-0x00000000055E0000-0x0000000005ADE000-memory.dmp

Filesize
5.0MB

Download
memory/3040-119-0x00000000057F0000-0x00000000057F1000-memory.dmp

Filesize
4KB

Download
memory/3040-118-0x0000000005680000-0x0000000005681000-memory.dmp

Filesize
4KB

Download
memory/3040-117-0x0000000005AE0000-0x0000000005AE1000-memory.dmp

Filesize
4KB

Download
memory/3924-127-0x0000000001050000-0x0000000001370000-memory.dmp

Filesize
3.1MB

Download
memory/3924-128-0x0000000001010000-0x0000000001021000-memory.dmp

Filesize
68KB

Download
memory/3924-125-0x000000000041D420-mapping.dmp

Download
memory/3924-124-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads