xloader | 08ade6bd3efcd20c80defdde936ef1329713af42d28889ffb69ba26b321a297f

General

Target

remittance advice_001001098.exe
Size

331KB
MD5

7877a7074c688baf439f7ec1ab150682
SHA1

6c2539fb927b57388866f1c072cdf681b585fb2a
SHA256

08ade6bd3efcd20c80defdde936ef1329713af42d28889ffb69ba26b321a297f
SHA512

6e5dff775fe478634fc3553b0bed3e9e9fda7a956cc17743f2b1b27e06256008ba7bc229d55a409cb710f078c97b70bb709c764b9fc144c0700d77dab6f83402

Score

10^/10

xloader e8ia loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

e8ia

C2

http://www.helpfromjames.com/e8ia/

Decoy

le-hameau-enchanteur.com

quantumsystem-au.club

engravedeeply.com

yesrecompensas.lat

cavallitowerofficials.com

800seaspray.com

skifun-jetski.com

thouartafoot.com

nft2dollar.com

petrestore.online

cjcutthecord2.com

tippimccullough.com

gadget198.xyz

djmiriam.com

bitbasepay.com

cukierniawz.com

mcclureic.xyz

inthekitchenshakinandbakin.com

busy-clicks.com

melaniemorris.online

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/3264-116-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3264-117-0x000000000041D4D0-mapping.dmp	xloader
behavioral2/memory/3148-124-0x0000000002CA0000-0x0000000002CC9000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

cmstp.exe

flow pid process

47 3148 cmstp.exe
Loads dropped DLL 1 IoCs

Processes:

remittance advice_001001098.exe

pid process

2764 remittance advice_001001098.exe

flow	pid	process
47	3148	cmstp.exe

pid	process
2764	remittance advice_001001098.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

remittance advice_001001098.exeremittance advice_001001098.execmstp.exe

description	pid	process	target process
PID 2764 set thread context of 3264	2764	remittance advice_001001098.exe	remittance advice_001001098.exe
PID 3264 set thread context of 3024	3264	remittance advice_001001098.exe	Explorer.EXE
PID 3148 set thread context of 3024	3148	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

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

remittance advice_001001098.execmstp.exe

pid	process
3264	remittance advice_001001098.exe
3264	remittance advice_001001098.exe
3264	remittance advice_001001098.exe
3264	remittance advice_001001098.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe
3148	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3024 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

remittance advice_001001098.execmstp.exe

pid process

3264 remittance advice_001001098.exe
3264 remittance advice_001001098.exe
3264 remittance advice_001001098.exe
3148 cmstp.exe
3148 cmstp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

remittance advice_001001098.execmstp.exe

description pid process

Token: SeDebugPrivilege 3264 remittance advice_001001098.exe
Token: SeDebugPrivilege 3148 cmstp.exe

pid	process
3024	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	3264	remittance advice_001001098.exe
Token: SeDebugPrivilege	3148	cmstp.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

remittance advice_001001098.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 2764 wrote to memory of 3264	2764	remittance advice_001001098.exe	remittance advice_001001098.exe
PID 2764 wrote to memory of 3264	2764	remittance advice_001001098.exe	remittance advice_001001098.exe
PID 2764 wrote to memory of 3264	2764	remittance advice_001001098.exe	remittance advice_001001098.exe
PID 2764 wrote to memory of 3264	2764	remittance advice_001001098.exe	remittance advice_001001098.exe
PID 2764 wrote to memory of 3264	2764	remittance advice_001001098.exe	remittance advice_001001098.exe
PID 2764 wrote to memory of 3264	2764	remittance advice_001001098.exe	remittance advice_001001098.exe
PID 3024 wrote to memory of 3148	3024	Explorer.EXE	cmstp.exe
PID 3024 wrote to memory of 3148	3024	Explorer.EXE	cmstp.exe
PID 3024 wrote to memory of 3148	3024	Explorer.EXE	cmstp.exe
PID 3148 wrote to memory of 3528	3148	cmstp.exe	cmd.exe
PID 3148 wrote to memory of 3528	3148	cmstp.exe	cmd.exe
PID 3148 wrote to memory of 3528	3148	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3024

C:\Users\Admin\AppData\Local\Temp\remittance advice_001001098.exe
"C:\Users\Admin\AppData\Local\Temp\remittance advice_001001098.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2764

C:\Users\Admin\AppData\Local\Temp\remittance advice_001001098.exe
"C:\Users\Admin\AppData\Local\Temp\remittance advice_001001098.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3264

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3148

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\remittance advice_001001098.exe"
3⤵
PID:3528

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsdBFF6.tmp\tngylslz.dll
MD5
5dce4ab196ebed51421a281746048281

SHA1
372e20701622727ca50c39feeccb53d5c26102ff

SHA256
ccc17ccc0b0f0f45309c8dbff3671f9a1d178e5cf22e47174f8da054f71e1edd

SHA512
a03f9bbb52c755ef73fd2ed425454f1d47432d3e59937324761f3817be21d719c7a8b947d315fccbf7e197c081beb9cafe727952606634ba31ee1c07c59ae30e

Download Submit
memory/3024-121-0x0000000002F70000-0x000000000306E000-memory.dmp

Filesize
1016KB

Download
memory/3024-128-0x0000000005800000-0x00000000058FB000-memory.dmp

Filesize
1004KB

Download
memory/3148-125-0x0000000004930000-0x0000000004C50000-memory.dmp

Filesize
3.1MB

Download
memory/3148-122-0x0000000000000000-mapping.dmp

Download
memory/3148-123-0x00000000003D0000-0x00000000003E6000-memory.dmp

Filesize
88KB

Download
memory/3148-124-0x0000000002CA0000-0x0000000002CC9000-memory.dmp

Filesize
164KB

Download
memory/3148-127-0x0000000004680000-0x0000000004710000-memory.dmp

Filesize
576KB

Download
memory/3264-120-0x0000000000600000-0x0000000000611000-memory.dmp

Filesize
68KB

Download
memory/3264-119-0x0000000000A40000-0x0000000000D60000-memory.dmp

Filesize
3.1MB

Download
memory/3264-117-0x000000000041D4D0-mapping.dmp

Download
memory/3264-116-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3528-126-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads