xloader | f2da2c72103614d33f47da7a0403c55e3c6a493a66957e5388730ea945b8c430

General

Target

arrival notice.exe
Size

661KB
MD5

692c22c9579ce47100a87e90f911b202
SHA1

29189325967d4716883edabb4c03a5a30d836896
SHA256

3f383c683795d277510e0fb4c806ae17bfb33dd6ff875b66c159068e58c28818
SHA512

98c6759ef92a350f570dd74b2c53d0307d1c8cf0f4b875ba5d2bb13f11e4bd39ef329b2131f45a18f7d48fdd24c2ab3c65370d71efe9f6975d4b3a4428419887

Score

10^/10

xloader n58i loader rat

Malware Config

Extracted

Family

xloader

Version

2.4

Campaign

n58i

C2

http://www.nordicbatterybelt.net/n58i/

Decoy

southerncircumstance.com

mcsasco.com

ifbrick.com

societe-anonyme.net

bantank.xyz

dogecoin.beauty

aboutacoffee.com

babalandlordrealestate.com

tintgta.com

integrity.directory

parwnr.icu

poltishof.online

stayandstyle.com

ickjeame.xyz

currentmotors.ca

pond.fund

petrosterzis.com

deadbydaylightpoints.com

hotel-balzac.paris

focusmaintainance.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4956-126-0x000000000041D470-mapping.dmp	xloader
behavioral2/memory/4956-125-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4988-132-0x0000000002800000-0x0000000002829000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

arrival notice.exearrival notice.exerundll32.exe

description	pid	process	target process
PID 4732 set thread context of 4956	4732	arrival notice.exe	arrival notice.exe
PID 4956 set thread context of 2532	4956	arrival notice.exe	Explorer.EXE
PID 4988 set thread context of 2532	4988	rundll32.exe	Explorer.EXE

Modifies registry class 2 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 38 IoCs

Processes:

arrival notice.exerundll32.exe

pid	process
4956	arrival notice.exe
4956	arrival notice.exe
4956	arrival notice.exe
4956	arrival notice.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe
4988	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2532 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

arrival notice.exerundll32.exe

pid process

4956 arrival notice.exe
4956 arrival notice.exe
4956 arrival notice.exe
4988 rundll32.exe
4988 rundll32.exe

pid	process
2532	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

arrival notice.exerundll32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4956	arrival notice.exe
Token: SeDebugPrivilege	4988	rundll32.exe
Token: SeShutdownPrivilege	2532	Explorer.EXE
Token: SeCreatePagefilePrivilege	2532	Explorer.EXE
Token: SeShutdownPrivilege	2532	Explorer.EXE
Token: SeCreatePagefilePrivilege	2532	Explorer.EXE

Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

Explorer.EXE

pid process

2532 Explorer.EXE
2532 Explorer.EXE
2532 Explorer.EXE
2532 Explorer.EXE
2532 Explorer.EXE
2532 Explorer.EXE
2532 Explorer.EXE
2532 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2532 Explorer.EXE

pid	process
2532	Explorer.EXE
2532	Explorer.EXE
2532	Explorer.EXE
2532	Explorer.EXE
2532	Explorer.EXE
2532	Explorer.EXE
2532	Explorer.EXE
2532	Explorer.EXE

pid	process
2532	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

arrival notice.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 4732 wrote to memory of 4956	4732	arrival notice.exe	arrival notice.exe
PID 4732 wrote to memory of 4956	4732	arrival notice.exe	arrival notice.exe
PID 4732 wrote to memory of 4956	4732	arrival notice.exe	arrival notice.exe
PID 4732 wrote to memory of 4956	4732	arrival notice.exe	arrival notice.exe
PID 4732 wrote to memory of 4956	4732	arrival notice.exe	arrival notice.exe
PID 4732 wrote to memory of 4956	4732	arrival notice.exe	arrival notice.exe
PID 2532 wrote to memory of 4988	2532	Explorer.EXE	rundll32.exe
PID 2532 wrote to memory of 4988	2532	Explorer.EXE	rundll32.exe
PID 2532 wrote to memory of 4988	2532	Explorer.EXE	rundll32.exe
PID 4988 wrote to memory of 3424	4988	rundll32.exe	cmd.exe
PID 4988 wrote to memory of 3424	4988	rundll32.exe	cmd.exe
PID 4988 wrote to memory of 3424	4988	rundll32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2532

C:\Users\Admin\AppData\Local\Temp\arrival notice.exe
"C:\Users\Admin\AppData\Local\Temp\arrival notice.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4732

C:\Users\Admin\AppData\Local\Temp\arrival notice.exe
"C:\Users\Admin\AppData\Local\Temp\arrival notice.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4956

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4988

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\arrival notice.exe"
3⤵
PID:3424

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2532-129-0x0000000005E10000-0x0000000005F8F000-memory.dmp

Filesize
1.5MB

Download
memory/2532-136-0x0000000002610000-0x00000000026F9000-memory.dmp

Filesize
932KB

Download
memory/3424-134-0x0000000000000000-mapping.dmp

Download
memory/4732-117-0x00000000050B0000-0x00000000050B1000-memory.dmp

Filesize
4KB

Download
memory/4732-118-0x0000000004BB0000-0x0000000004BB1000-memory.dmp

Filesize
4KB

Download
memory/4732-119-0x0000000004A90000-0x0000000004A91000-memory.dmp

Filesize
4KB

Download
memory/4732-120-0x0000000004BB0000-0x00000000050AE000-memory.dmp

Filesize
5.0MB

Download
memory/4732-121-0x0000000004B80000-0x0000000004B87000-memory.dmp

Filesize
28KB

Download
memory/4732-122-0x00000000080F0000-0x00000000080F1000-memory.dmp

Filesize
4KB

Download
memory/4732-123-0x00000000085B0000-0x000000000860C000-memory.dmp

Filesize
368KB

Download
memory/4732-124-0x000000000AD70000-0x000000000AD9B000-memory.dmp

Filesize
172KB

Download
memory/4732-115-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/4956-125-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4956-128-0x0000000001C70000-0x0000000001C81000-memory.dmp

Filesize
68KB

Download
memory/4956-127-0x0000000001950000-0x0000000001C70000-memory.dmp

Filesize
3.1MB

Download
memory/4956-126-0x000000000041D470-mapping.dmp

Download
memory/4988-130-0x0000000000000000-mapping.dmp

Download
memory/4988-132-0x0000000002800000-0x0000000002829000-memory.dmp

Filesize
164KB

Download
memory/4988-131-0x0000000000130000-0x0000000000143000-memory.dmp

Filesize
76KB

Download
memory/4988-133-0x0000000004200000-0x0000000004520000-memory.dmp

Filesize
3.1MB

Download
memory/4988-135-0x00000000040B0000-0x0000000004140000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads