xloader | 4d0bc62fb924d6a3ba487e61f69d9cd71c3e231ace06a3c1ce151c27a55d7a3c

General

Target

DOC.exe
Size

463KB
MD5

e2e027360aa11a532949fb6c013009d5
SHA1

2488a833ee33ea4ce3ff0e5e7615e35d647816e2
SHA256

13c2ff62d1e29d6e88c828851f842b17acb6293da92bdf5223e87a67bf00ed31
SHA512

240a63a3c245d1dd963cc33b290796e646276f9488692037f26009efde4ad39b9c6af6d0c4d21ca19b5ade4a677b4b2d7e83003a519c2dbfbf408c086ca0f04a

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/4800-125-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4800-126-0x000000000041D470-mapping.dmp	xloader
behavioral2/memory/4908-134-0x0000000000160000-0x0000000000189000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

DOC.exeDOC.exewlanext.exe

description	pid	process	target process
PID 4476 set thread context of 4800	4476	DOC.exe	DOC.exe
PID 4800 set thread context of 3052	4800	DOC.exe	Explorer.EXE
PID 4800 set thread context of 3052	4800	DOC.exe	Explorer.EXE
PID 4908 set thread context of 3052	4908	wlanext.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 44 IoCs

Processes:

DOC.exeDOC.exewlanext.exe

pid	process
4476	DOC.exe
4476	DOC.exe
4800	DOC.exe
4800	DOC.exe
4800	DOC.exe
4800	DOC.exe
4800	DOC.exe
4800	DOC.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe
4908	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3052 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

DOC.exewlanext.exe

pid process

4800 DOC.exe
4800 DOC.exe
4800 DOC.exe
4800 DOC.exe
4908 wlanext.exe
4908 wlanext.exe

pid	process
3052	Explorer.EXE

pid	process
4800	DOC.exe
4800	DOC.exe
4800	DOC.exe
4800	DOC.exe
4908	wlanext.exe
4908	wlanext.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

Processes:

DOC.exeDOC.exewlanext.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4476	DOC.exe
Token: SeDebugPrivilege	4800	DOC.exe
Token: SeDebugPrivilege	4908	wlanext.exe
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE

Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

Explorer.EXE

pid process

3052 Explorer.EXE
3052 Explorer.EXE
3052 Explorer.EXE
3052 Explorer.EXE
3052 Explorer.EXE
3052 Explorer.EXE
3052 Explorer.EXE
3052 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3052 Explorer.EXE

pid	process
3052	Explorer.EXE
3052	Explorer.EXE
3052	Explorer.EXE
3052	Explorer.EXE
3052	Explorer.EXE
3052	Explorer.EXE
3052	Explorer.EXE
3052	Explorer.EXE

pid	process
3052	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

DOC.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 4476 wrote to memory of 4792	4476	DOC.exe	DOC.exe
PID 4476 wrote to memory of 4792	4476	DOC.exe	DOC.exe
PID 4476 wrote to memory of 4792	4476	DOC.exe	DOC.exe
PID 4476 wrote to memory of 4800	4476	DOC.exe	DOC.exe
PID 4476 wrote to memory of 4800	4476	DOC.exe	DOC.exe
PID 4476 wrote to memory of 4800	4476	DOC.exe	DOC.exe
PID 4476 wrote to memory of 4800	4476	DOC.exe	DOC.exe
PID 4476 wrote to memory of 4800	4476	DOC.exe	DOC.exe
PID 4476 wrote to memory of 4800	4476	DOC.exe	DOC.exe
PID 3052 wrote to memory of 4908	3052	Explorer.EXE	wlanext.exe
PID 3052 wrote to memory of 4908	3052	Explorer.EXE	wlanext.exe
PID 3052 wrote to memory of 4908	3052	Explorer.EXE	wlanext.exe
PID 4908 wrote to memory of 5044	4908	wlanext.exe	cmd.exe
PID 4908 wrote to memory of 5044	4908	wlanext.exe	cmd.exe
PID 4908 wrote to memory of 5044	4908	wlanext.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:3052

C:\Users\Admin\AppData\Local\Temp\DOC.exe
"C:\Users\Admin\AppData\Local\Temp\DOC.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4476

C:\Users\Admin\AppData\Local\Temp\DOC.exe
"C:\Users\Admin\AppData\Local\Temp\DOC.exe"
3⤵
PID:4792

C:\Users\Admin\AppData\Local\Temp\DOC.exe
"C:\Users\Admin\AppData\Local\Temp\DOC.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4800

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4908

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\DOC.exe"
3⤵
PID:5044

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3052-129-0x0000000005680000-0x00000000057B7000-memory.dmp

Filesize
1.2MB

Download
memory/3052-138-0x00000000066B0000-0x00000000067F3000-memory.dmp

Filesize
1.3MB

Download
memory/3052-131-0x00000000068B0000-0x0000000006A4B000-memory.dmp

Filesize
1.6MB

Download
memory/4476-117-0x00000000057B0000-0x00000000057B1000-memory.dmp

Filesize
4KB

Download
memory/4476-118-0x00000000052B0000-0x00000000052B1000-memory.dmp

Filesize
4KB

Download
memory/4476-119-0x0000000002C50000-0x0000000002C51000-memory.dmp

Filesize
4KB

Download
memory/4476-120-0x0000000002E80000-0x0000000002E81000-memory.dmp

Filesize
4KB

Download
memory/4476-121-0x0000000005770000-0x0000000005777000-memory.dmp

Filesize
28KB

Download
memory/4476-122-0x0000000009980000-0x0000000009981000-memory.dmp

Filesize
4KB

Download
memory/4476-123-0x0000000009EA0000-0x0000000009F00000-memory.dmp

Filesize
384KB

Download
memory/4476-124-0x0000000009F40000-0x0000000009F6B000-memory.dmp

Filesize
172KB

Download
memory/4476-115-0x0000000000910000-0x0000000000911000-memory.dmp

Filesize
4KB

Download
memory/4800-126-0x000000000041D470-mapping.dmp

Download
memory/4800-127-0x0000000001860000-0x0000000001B80000-memory.dmp

Filesize
3.1MB

Download
memory/4800-128-0x0000000001BA0000-0x0000000001BB1000-memory.dmp

Filesize
68KB

Download
memory/4800-130-0x0000000001BE0000-0x0000000001BF1000-memory.dmp

Filesize
68KB

Download
memory/4800-125-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4908-132-0x0000000000000000-mapping.dmp

Download
memory/4908-133-0x0000000000D70000-0x0000000000D87000-memory.dmp

Filesize
92KB

Download
memory/4908-134-0x0000000000160000-0x0000000000189000-memory.dmp

Filesize
164KB

Download
memory/4908-135-0x0000000002D90000-0x00000000030B0000-memory.dmp

Filesize
3.1MB

Download
memory/4908-137-0x00000000008C0000-0x0000000000950000-memory.dmp

Filesize
576KB

Download
memory/5044-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads