xloader | 50df1fc76a41a970a44ac40efdd0113c599a7091891dc13c25e78abe52a97158

General

Target

IMG_38575943.exe
Size

341KB
MD5

2a11ef715093c4429cd05dc3950c7f89
SHA1

3199e3c72fc349d9cce951c2c8830d88a8da4454
SHA256

50df1fc76a41a970a44ac40efdd0113c599a7091891dc13c25e78abe52a97158
SHA512

24f2d7a608d421258334144217e97dccdeb023d5e621774f213eda210a8937df0c7d12cfd02e8c96d5951011d6142a320ca3b40bedb8ac6ad5f95ccc6d3d2d0a
SSDEEP

6144:HqPwmYdAbc0C3LFDDOQmjUi0GL9jDAlPMKpPbd6j62AeI4KR0VoFtDFF7g:HqPwmYdAbc0CboQmjIGN6Pzd6j6/eWtU

Score

10^/10

xloader c6si loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

c6si

Decoy

tristateinc.construction

americanscaregroundstexas.com

kanimisoshiru.com

wihling.com

fishcheekstosa.com

parentsfuid.com

greenstandmarket.com

fc8fla8kzq.com

gametwist-83.club

jobsncvs.com

directrealtysells.com

avida2015.com

conceptasite.net

arkaneattire.com

indev-mobility.info

2160centurypark412.com

valefloor.com

septembership.com

stackflix.com

jimc0sales.net

Signatures

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

Xloader payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2232-12-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2232-18-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2232-21-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4876-26-0x0000000000520000-0x0000000000549000-memory.dmp	xloader
behavioral2/memory/4876-28-0x0000000000520000-0x0000000000549000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

IMG_38575943.exeIMG_38575943.execmstp.exe

description	pid	process	target process
PID 888 set thread context of 2232	888	IMG_38575943.exe	IMG_38575943.exe
PID 2232 set thread context of 3452	2232	IMG_38575943.exe	Explorer.EXE
PID 2232 set thread context of 3452	2232	IMG_38575943.exe	Explorer.EXE
PID 4876 set thread context of 3452	4876	cmstp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

IMG_38575943.execmstp.exe

pid	process
2232	IMG_38575943.exe
2232	IMG_38575943.exe
2232	IMG_38575943.exe
2232	IMG_38575943.exe
2232	IMG_38575943.exe
2232	IMG_38575943.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe
4876	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

IMG_38575943.execmstp.exe

pid process

2232 IMG_38575943.exe
2232 IMG_38575943.exe
2232 IMG_38575943.exe
2232 IMG_38575943.exe
4876 cmstp.exe
4876 cmstp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

IMG_38575943.execmstp.exe

description pid process

Token: SeDebugPrivilege 2232 IMG_38575943.exe
Token: SeDebugPrivilege 4876 cmstp.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3452 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2232	IMG_38575943.exe
Token: SeDebugPrivilege	4876	cmstp.exe

pid	process
3452	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

IMG_38575943.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 888 wrote to memory of 2232	888	IMG_38575943.exe	IMG_38575943.exe
PID 888 wrote to memory of 2232	888	IMG_38575943.exe	IMG_38575943.exe
PID 888 wrote to memory of 2232	888	IMG_38575943.exe	IMG_38575943.exe
PID 888 wrote to memory of 2232	888	IMG_38575943.exe	IMG_38575943.exe
PID 888 wrote to memory of 2232	888	IMG_38575943.exe	IMG_38575943.exe
PID 888 wrote to memory of 2232	888	IMG_38575943.exe	IMG_38575943.exe
PID 3452 wrote to memory of 4876	3452	Explorer.EXE	cmstp.exe
PID 3452 wrote to memory of 4876	3452	Explorer.EXE	cmstp.exe
PID 3452 wrote to memory of 4876	3452	Explorer.EXE	cmstp.exe
PID 4876 wrote to memory of 4320	4876	cmstp.exe	cmd.exe
PID 4876 wrote to memory of 4320	4876	cmstp.exe	cmd.exe
PID 4876 wrote to memory of 4320	4876	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3452

C:\Users\Admin\AppData\Local\Temp\IMG_38575943.exe
"C:\Users\Admin\AppData\Local\Temp\IMG_38575943.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:888

C:\Users\Admin\AppData\Local\Temp\IMG_38575943.exe
"C:\Users\Admin\AppData\Local\Temp\IMG_38575943.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2232

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
- Suspicious use of WriteProcessMemory
PID:4876

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\IMG_38575943.exe"
3⤵
PID:4320

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/888-14-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/888-1-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/888-2-0x0000000005170000-0x0000000005714000-memory.dmp

Filesize
5.6MB

Download
memory/888-3-0x0000000004AE0000-0x0000000004B72000-memory.dmp

Filesize
584KB

Download
memory/888-4-0x0000000004A70000-0x0000000004A80000-memory.dmp

Filesize
64KB

Download
memory/888-5-0x0000000004BC0000-0x0000000004BCA000-memory.dmp

Filesize
40KB

Download
memory/888-6-0x0000000005DE0000-0x0000000005DEC000-memory.dmp

Filesize
48KB

Download
memory/888-7-0x0000000005E00000-0x0000000005E4C000-memory.dmp

Filesize
304KB

Download
memory/888-8-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/888-9-0x0000000004A70000-0x0000000004A80000-memory.dmp

Filesize
64KB

Download
memory/888-10-0x00000000061E0000-0x000000000627C000-memory.dmp

Filesize
624KB

Download
memory/888-11-0x00000000062E0000-0x000000000633E000-memory.dmp

Filesize
376KB

Download
memory/888-0-0x00000000000B0000-0x000000000010C000-memory.dmp

Filesize
368KB

Download
memory/2232-16-0x00000000013D0000-0x000000000171A000-memory.dmp

Filesize
3.3MB

Download
memory/2232-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2232-17-0x0000000000F20000-0x0000000000F31000-memory.dmp

Filesize
68KB

Download
memory/2232-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2232-22-0x00000000012E0000-0x00000000012F1000-memory.dmp

Filesize
68KB

Download
memory/2232-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3452-31-0x00000000085D0000-0x00000000086D1000-memory.dmp

Filesize
1.0MB

Download
memory/3452-19-0x0000000008430000-0x0000000008546000-memory.dmp

Filesize
1.1MB

Download
memory/3452-23-0x00000000085D0000-0x00000000086D1000-memory.dmp

Filesize
1.0MB

Download
memory/3452-38-0x00000000070C0000-0x0000000007196000-memory.dmp

Filesize
856KB

Download
memory/3452-35-0x00000000070C0000-0x0000000007196000-memory.dmp

Filesize
856KB

Download
memory/3452-33-0x00000000070C0000-0x0000000007196000-memory.dmp

Filesize
856KB

Download
memory/4876-25-0x00000000003B0000-0x00000000003C6000-memory.dmp

Filesize
88KB

Download
memory/4876-29-0x0000000002470000-0x0000000002500000-memory.dmp

Filesize
576KB

Download
memory/4876-28-0x0000000000520000-0x0000000000549000-memory.dmp

Filesize
164KB

Download
memory/4876-27-0x0000000002640000-0x000000000298A000-memory.dmp

Filesize
3.3MB

Download
memory/4876-26-0x0000000000520000-0x0000000000549000-memory.dmp

Filesize
164KB

Download
memory/4876-24-0x00000000003B0000-0x00000000003C6000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads