xloader | ee5dd80f9946c3b8221409e1aed242cd36a8188850718f89722b48404906275e

General

Target

vbc.exe
Size

845KB
MD5

0becd341e0585b0c5a278e62a9727a9a
SHA1

71b8b08ab44bb93a2bacb3948a8dee5273f78488
SHA256

ee5dd80f9946c3b8221409e1aed242cd36a8188850718f89722b48404906275e
SHA512

9edfca50d1ebe082bd13ba32de078bca96a06c8bf18b56471f12adfd3a05830eb821f5ce26404d1e2bea48b3dda3b74b06ae3f4922de2c1842f17329173a1cb9

Score

10^/10

xloader nt3f loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

nt3f

Decoy

tricyclee.com

kxsw999.com

wisteria-pavilion.com

bellaclancy.com

promissioskincare.com

hzy001.xyz

checkouthomehd.com

soladere.com

point4sales.com

socalmafia.com

libertadysarmiento.online

nftthirty.com

digitalgoldcryptostock.net

tulekiloscaird.com

austinfishandchicken.com

wlxxch.com

mgav51.xyz

landbanking.global

saprove.com

babyfaces.skin

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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1444-128-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1736-148-0x0000000000530000-0x0000000000559000-memory.dmp	xloader

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.execmstp.exe

description	pid	process	target process
PID 2632 set thread context of 1444	2632	vbc.exe	vbc.exe
PID 1444 set thread context of 1928	1444	vbc.exe	Explorer.EXE
PID 1736 set thread context of 1928	1736	cmstp.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

688 schtasks.exe

pid	process
688	schtasks.exe

Suspicious behavior: EnumeratesProcesses 41 IoCs

Processes:

vbc.exepowershell.exevbc.execmstp.exe

pid	process
2632	vbc.exe
2632	vbc.exe
3068	powershell.exe
1444	vbc.exe
1444	vbc.exe
1444	vbc.exe
1444	vbc.exe
3068	powershell.exe
3068	powershell.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe
1736	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1928 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.execmstp.exe

pid process

1444 vbc.exe
1444 vbc.exe
1444 vbc.exe
1736 cmstp.exe
1736 cmstp.exe

pid	process
1928	Explorer.EXE

pid	process
1444	vbc.exe
1444	vbc.exe
1444	vbc.exe
1736	cmstp.exe
1736	cmstp.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

vbc.exepowershell.exevbc.execmstp.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2632	vbc.exe
Token: SeDebugPrivilege	3068	powershell.exe
Token: SeDebugPrivilege	1444	vbc.exe
Token: SeDebugPrivilege	1736	cmstp.exe
Token: SeShutdownPrivilege	1928	Explorer.EXE
Token: SeCreatePagefilePrivilege	1928	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

vbc.exeExplorer.EXE

description	pid	process	target process
PID 2632 wrote to memory of 3068	2632	vbc.exe	powershell.exe
PID 2632 wrote to memory of 3068	2632	vbc.exe	powershell.exe
PID 2632 wrote to memory of 3068	2632	vbc.exe	powershell.exe
PID 2632 wrote to memory of 688	2632	vbc.exe	schtasks.exe
PID 2632 wrote to memory of 688	2632	vbc.exe	schtasks.exe
PID 2632 wrote to memory of 688	2632	vbc.exe	schtasks.exe
PID 2632 wrote to memory of 1556	2632	vbc.exe	vbc.exe
PID 2632 wrote to memory of 1556	2632	vbc.exe	vbc.exe
PID 2632 wrote to memory of 1556	2632	vbc.exe	vbc.exe
PID 2632 wrote to memory of 1444	2632	vbc.exe	vbc.exe
PID 2632 wrote to memory of 1444	2632	vbc.exe	vbc.exe
PID 2632 wrote to memory of 1444	2632	vbc.exe	vbc.exe
PID 2632 wrote to memory of 1444	2632	vbc.exe	vbc.exe
PID 2632 wrote to memory of 1444	2632	vbc.exe	vbc.exe
PID 2632 wrote to memory of 1444	2632	vbc.exe	vbc.exe
PID 1928 wrote to memory of 1736	1928	Explorer.EXE	cmstp.exe
PID 1928 wrote to memory of 1736	1928	Explorer.EXE	cmstp.exe
PID 1928 wrote to memory of 1736	1928	Explorer.EXE	cmstp.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1928

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2632

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\szzAArbkCRJS.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3068

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\szzAArbkCRJS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA072.tmp"
3⤵
- Creates scheduled task(s)
PID:688

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
3⤵
PID:1556

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1444

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
PID:1736

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA072.tmp
MD5
34d973ae14ad50092ecc0ec53afbe30a

SHA1
c1abd631ab5fe08024477f51ce1400eaed43eacc

SHA256
30d2fcfe1d3c93eadd76945ae28396dbc9a76825d4e4b8b4ed3ecc201b86c0fc

SHA512
3b82decb57dd9e8c9e06a1d3e9e0ae7f70566eae078366ad65804a8eca494a00d0cbdcf9c91e266ccb6c8fb88ed8c698355d384d975f1fe94ee0076d26672d1b

Download Submit
memory/1444-139-0x0000000001110000-0x0000000001430000-memory.dmp

Filesize
3.1MB

Download
memory/1444-140-0x0000000000B00000-0x0000000000C4A000-memory.dmp

Filesize
1.3MB

Download
memory/1444-128-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1736-149-0x00000000046D0000-0x00000000049F0000-memory.dmp

Filesize
3.1MB

Download
memory/1736-147-0x00000000009B0000-0x00000000009C6000-memory.dmp

Filesize
88KB

Download
memory/1736-148-0x0000000000530000-0x0000000000559000-memory.dmp

Filesize
164KB

Download
memory/1736-163-0x0000000004530000-0x00000000046C2000-memory.dmp

Filesize
1.6MB

Download
memory/1928-166-0x0000000004F60000-0x00000000050EA000-memory.dmp

Filesize
1.5MB

Download
memory/1928-141-0x0000000004E30000-0x0000000004F5D000-memory.dmp

Filesize
1.2MB

Download
memory/2632-118-0x0000000004F90000-0x000000000548E000-memory.dmp

Filesize
5.0MB

Download
memory/2632-117-0x0000000004E50000-0x0000000004EE2000-memory.dmp

Filesize
584KB

Download
memory/2632-119-0x0000000004E20000-0x0000000004E2A000-memory.dmp

Filesize
40KB

Download
memory/2632-120-0x0000000005160000-0x00000000051FC000-memory.dmp

Filesize
624KB

Download
memory/2632-115-0x0000000000520000-0x00000000005FA000-memory.dmp

Filesize
872KB

Download
memory/2632-123-0x0000000005DF0000-0x0000000005E9A000-memory.dmp

Filesize
680KB

Download
memory/2632-122-0x000000007EAF0000-0x000000007EAF1000-memory.dmp

Filesize
4KB

Download
memory/2632-121-0x0000000005240000-0x000000000524E000-memory.dmp

Filesize
56KB

Download
memory/2632-116-0x0000000005490000-0x000000000598E000-memory.dmp

Filesize
5.0MB

Download
memory/3068-130-0x0000000004290000-0x0000000004291000-memory.dmp

Filesize
4KB

Download
memory/3068-154-0x000000007E6A0000-0x000000007E6A1000-memory.dmp

Filesize
4KB

Download
memory/3068-137-0x00000000074F0000-0x000000000750C000-memory.dmp

Filesize
112KB

Download
memory/3068-135-0x0000000007700000-0x0000000007A50000-memory.dmp

Filesize
3.3MB

Download
memory/3068-134-0x0000000007680000-0x00000000076E6000-memory.dmp

Filesize
408KB

Download
memory/3068-142-0x0000000007E20000-0x0000000007E96000-memory.dmp

Filesize
472KB

Download
memory/3068-133-0x0000000007430000-0x0000000007496000-memory.dmp

Filesize
408KB

Download
memory/3068-132-0x0000000006C30000-0x0000000006C52000-memory.dmp

Filesize
136KB

Download
memory/3068-131-0x0000000004270000-0x0000000004293000-memory.dmp

Filesize
140KB

Download
memory/3068-138-0x0000000007B10000-0x0000000007B5B000-memory.dmp

Filesize
300KB

Download
memory/3068-155-0x0000000008CC0000-0x0000000008CF3000-memory.dmp

Filesize
204KB

Download
memory/3068-156-0x0000000007F20000-0x0000000007F3E000-memory.dmp

Filesize
120KB

Download
memory/3068-161-0x0000000008DF0000-0x0000000008E95000-memory.dmp

Filesize
660KB

Download
memory/3068-162-0x0000000004293000-0x0000000004294000-memory.dmp

Filesize
4KB

Download
memory/3068-129-0x0000000006CD0000-0x00000000072F8000-memory.dmp

Filesize
6.2MB

Download
memory/3068-164-0x0000000009160000-0x00000000091F4000-memory.dmp

Filesize
592KB

Download
memory/3068-127-0x0000000006660000-0x0000000006696000-memory.dmp

Filesize
216KB

Download
memory/3068-358-0x00000000090C0000-0x00000000090DA000-memory.dmp

Filesize
104KB

Download
memory/3068-363-0x0000000008C30000-0x0000000008C38000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads