xloader | c21a5d43b11091efa59562014f69a1996464c7e62b3656b56fad6b521c0d901b

General

Target

37b5ffb512718c3edb571969fb63b0c2.exe
Size

826KB
MD5

37b5ffb512718c3edb571969fb63b0c2
SHA1

e834163f582242dde55265338c3cc6445293c1f5
SHA256

c21a5d43b11091efa59562014f69a1996464c7e62b3656b56fad6b521c0d901b
SHA512

ccefe95cef1811183bb482be6f8e7c5505fc111c944ec8baac240d0da2d46e156f98ae93432bf64d10e6224eb8b528c0660637f819f29e38d069721e08c6d74c
SSDEEP

12288:0IdhD12Srd9glaFVBDCNnLAPDCv71Rd6eSs8uw1uDkQSd3do:eSMa/lUnLgz1n1uwve

Score

10^/10

xloader n58i loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

n58i

Decoy

nl-cafe.com

votetedjaleta.com

britrobertsrealtor.com

globipark.com

citysucces.com

verisignwebsite-verified.com

riddlepc.com

rosecityclimbing.com

oleandrinextract.com

salmankonstruksi.com

needhamchannel.com

refreshx2z.com

youth66.com

pla-russia.com

halloweenmaskpro.com

exdysis.com

1gcz.com

lookgoodman.com

rlxagva.com

stlcityc.com

Signatures

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

Xloader payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1104-12-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1104-17-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4332-23-0x0000000000C20000-0x0000000000C49000-memory.dmp	xloader
behavioral2/memory/4332-25-0x0000000000C20000-0x0000000000C49000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

37b5ffb512718c3edb571969fb63b0c2.exeRegSvcs.exemstsc.exe

description	pid	process	target process
PID 4180 set thread context of 1104	4180	37b5ffb512718c3edb571969fb63b0c2.exe	RegSvcs.exe
PID 1104 set thread context of 3504	1104	RegSvcs.exe	Explorer.EXE
PID 4332 set thread context of 3504	4332	mstsc.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

37b5ffb512718c3edb571969fb63b0c2.exeRegSvcs.exemstsc.exe

pid	process
4180	37b5ffb512718c3edb571969fb63b0c2.exe
1104	RegSvcs.exe
1104	RegSvcs.exe
1104	RegSvcs.exe
1104	RegSvcs.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe
4332	mstsc.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exemstsc.exe

pid process

1104 RegSvcs.exe
1104 RegSvcs.exe
1104 RegSvcs.exe
4332 mstsc.exe
4332 mstsc.exe

pid	process
1104	RegSvcs.exe
1104	RegSvcs.exe
1104	RegSvcs.exe
4332	mstsc.exe
4332	mstsc.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

37b5ffb512718c3edb571969fb63b0c2.exeRegSvcs.exemstsc.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4180	37b5ffb512718c3edb571969fb63b0c2.exe
Token: SeDebugPrivilege	1104	RegSvcs.exe
Token: SeDebugPrivilege	4332	mstsc.exe
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3504 Explorer.EXE

pid	process
3504	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

37b5ffb512718c3edb571969fb63b0c2.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 4180 wrote to memory of 1104	4180	37b5ffb512718c3edb571969fb63b0c2.exe	RegSvcs.exe
PID 4180 wrote to memory of 1104	4180	37b5ffb512718c3edb571969fb63b0c2.exe	RegSvcs.exe
PID 4180 wrote to memory of 1104	4180	37b5ffb512718c3edb571969fb63b0c2.exe	RegSvcs.exe
PID 4180 wrote to memory of 1104	4180	37b5ffb512718c3edb571969fb63b0c2.exe	RegSvcs.exe
PID 4180 wrote to memory of 1104	4180	37b5ffb512718c3edb571969fb63b0c2.exe	RegSvcs.exe
PID 4180 wrote to memory of 1104	4180	37b5ffb512718c3edb571969fb63b0c2.exe	RegSvcs.exe
PID 3504 wrote to memory of 4332	3504	Explorer.EXE	mstsc.exe
PID 3504 wrote to memory of 4332	3504	Explorer.EXE	mstsc.exe
PID 3504 wrote to memory of 4332	3504	Explorer.EXE	mstsc.exe
PID 4332 wrote to memory of 2304	4332	mstsc.exe	cmd.exe
PID 4332 wrote to memory of 2304	4332	mstsc.exe	cmd.exe
PID 4332 wrote to memory of 2304	4332	mstsc.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3504

C:\Users\Admin\AppData\Local\Temp\37b5ffb512718c3edb571969fb63b0c2.exe
"C:\Users\Admin\AppData\Local\Temp\37b5ffb512718c3edb571969fb63b0c2.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4180

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1104

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4332

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:2304

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1104-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1104-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1104-18-0x0000000000E50000-0x0000000000E61000-memory.dmp

Filesize
68KB

Download
memory/1104-15-0x0000000000FB0000-0x00000000012FA000-memory.dmp

Filesize
3.3MB

Download
memory/3504-35-0x00000000032E0000-0x00000000033E8000-memory.dmp

Filesize
1.0MB

Download
memory/3504-32-0x00000000032E0000-0x00000000033E8000-memory.dmp

Filesize
1.0MB

Download
memory/3504-31-0x00000000032E0000-0x00000000033E8000-memory.dmp

Filesize
1.0MB

Download
memory/3504-28-0x0000000008B50000-0x0000000008CD4000-memory.dmp

Filesize
1.5MB

Download
memory/3504-19-0x0000000008B50000-0x0000000008CD4000-memory.dmp

Filesize
1.5MB

Download
memory/4180-7-0x0000000005180000-0x0000000005198000-memory.dmp

Filesize
96KB

Download
memory/4180-4-0x0000000004E50000-0x0000000004EEC000-memory.dmp

Filesize
624KB

Download
memory/4180-11-0x0000000009FD0000-0x000000000A006000-memory.dmp

Filesize
216KB

Download
memory/4180-9-0x0000000004DF0000-0x0000000004E00000-memory.dmp

Filesize
64KB

Download
memory/4180-14-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/4180-8-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/4180-0-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/4180-6-0x0000000004DD0000-0x0000000004DDA000-memory.dmp

Filesize
40KB

Download
memory/4180-5-0x0000000004DF0000-0x0000000004E00000-memory.dmp

Filesize
64KB

Download
memory/4180-10-0x0000000007890000-0x0000000007932000-memory.dmp

Filesize
648KB

Download
memory/4180-1-0x0000000000260000-0x0000000000334000-memory.dmp

Filesize
848KB

Download
memory/4180-2-0x00000000051D0000-0x0000000005774000-memory.dmp

Filesize
5.6MB

Download
memory/4180-3-0x0000000004D10000-0x0000000004DA2000-memory.dmp

Filesize
584KB

Download
memory/4332-20-0x0000000000D40000-0x0000000000E7A000-memory.dmp

Filesize
1.2MB

Download
memory/4332-27-0x0000000002D30000-0x0000000002DC0000-memory.dmp

Filesize
576KB

Download
memory/4332-25-0x0000000000C20000-0x0000000000C49000-memory.dmp

Filesize
164KB

Download
memory/4332-24-0x0000000002F90000-0x00000000032DA000-memory.dmp

Filesize
3.3MB

Download
memory/4332-23-0x0000000000C20000-0x0000000000C49000-memory.dmp

Filesize
164KB

Download
memory/4332-22-0x0000000000D40000-0x0000000000E7A000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads