xloader | 28b77890ae9535db2da6bf03e7c41471d173b86fa67b907dafa38aede34fc148

General

Target

PO_#10292132.exe
Size

377KB
MD5

026df37a937471af093a3e8bc8636b7b
SHA1

57d0b25b3dd1d648c710c3ff5e44041d39d0cafc
SHA256

28b77890ae9535db2da6bf03e7c41471d173b86fa67b907dafa38aede34fc148
SHA512

6efdd2b07055c93e9b18d169ed5f5a9d9aca550b76874ff36c1d6dc8687942bb401916463b85e410def704cdacb8e58d4311336605976bb3426439d557c698c0

Score

10^/10

xloader op08 loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

op08

C2

http://www.jjmpestman.com/op08/

Decoy

youva.online

bbyyn1.xyz

cuttizy.com

octoorder.com

empiredigitaldating.com

giuseppedelcampo.com

kingstons.info

kwanta.info

soulworkerrush.com

sookrit.com

flambeauxartpottery.com

360metaverse.online

adnilm.com

interiordesignhampshire.com

bitpaynumber.support

aliancafm.com

tivohub.xyz

xn--ucy193f.com

smartmapom.com

thelifeofrileyelizabeth.com

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
behavioral1/memory/976-64-0x000000000041D420-mapping.dmp	xloader
behavioral1/memory/976-63-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2016-73-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1640 cmd.exe

pid	process
1640	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

PO_#10292132.exePO_#10292132.execmstp.exe

description	pid	process	target process
PID 1616 set thread context of 976	1616	PO_#10292132.exe	PO_#10292132.exe
PID 976 set thread context of 1272	976	PO_#10292132.exe	Explorer.EXE
PID 2016 set thread context of 1272	2016	cmstp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

PO_#10292132.execmstp.exe

pid	process
976	PO_#10292132.exe
976	PO_#10292132.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe
2016	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

PO_#10292132.execmstp.exe

pid process

976 PO_#10292132.exe
976 PO_#10292132.exe
976 PO_#10292132.exe
2016 cmstp.exe
2016 cmstp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO_#10292132.execmstp.exe

description pid process

Token: SeDebugPrivilege 976 PO_#10292132.exe
Token: SeDebugPrivilege 2016 cmstp.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1272 Explorer.EXE
1272 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1272 Explorer.EXE
1272 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	976	PO_#10292132.exe
Token: SeDebugPrivilege	2016	cmstp.exe

pid	process
1272	Explorer.EXE
1272	Explorer.EXE

pid	process
1272	Explorer.EXE
1272	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

PO_#10292132.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 1616 wrote to memory of 976	1616	PO_#10292132.exe	PO_#10292132.exe
PID 1616 wrote to memory of 976	1616	PO_#10292132.exe	PO_#10292132.exe
PID 1616 wrote to memory of 976	1616	PO_#10292132.exe	PO_#10292132.exe
PID 1616 wrote to memory of 976	1616	PO_#10292132.exe	PO_#10292132.exe
PID 1616 wrote to memory of 976	1616	PO_#10292132.exe	PO_#10292132.exe
PID 1616 wrote to memory of 976	1616	PO_#10292132.exe	PO_#10292132.exe
PID 1616 wrote to memory of 976	1616	PO_#10292132.exe	PO_#10292132.exe
PID 1272 wrote to memory of 2016	1272	Explorer.EXE	cmstp.exe
PID 1272 wrote to memory of 2016	1272	Explorer.EXE	cmstp.exe
PID 1272 wrote to memory of 2016	1272	Explorer.EXE	cmstp.exe
PID 1272 wrote to memory of 2016	1272	Explorer.EXE	cmstp.exe
PID 1272 wrote to memory of 2016	1272	Explorer.EXE	cmstp.exe
PID 1272 wrote to memory of 2016	1272	Explorer.EXE	cmstp.exe
PID 1272 wrote to memory of 2016	1272	Explorer.EXE	cmstp.exe
PID 2016 wrote to memory of 1640	2016	cmstp.exe	cmd.exe
PID 2016 wrote to memory of 1640	2016	cmstp.exe	cmd.exe
PID 2016 wrote to memory of 1640	2016	cmstp.exe	cmd.exe
PID 2016 wrote to memory of 1640	2016	cmstp.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\PO_#10292132.exe
"C:\Users\Admin\AppData\Local\Temp\PO_#10292132.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1616

C:\Users\Admin\AppData\Local\Temp\PO_#10292132.exe
"C:\Users\Admin\AppData\Local\Temp\PO_#10292132.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:976

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1272

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:2016

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PO_#10292132.exe"
3⤵
- Deletes itself
PID:1640

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/976-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/976-67-0x0000000000140000-0x0000000000151000-memory.dmp

Filesize
68KB

Download
memory/976-66-0x0000000000A60000-0x0000000000D63000-memory.dmp

Filesize
3.0MB

Download
memory/976-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/976-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/976-64-0x000000000041D420-mapping.dmp

Download
memory/1272-76-0x0000000004AA0000-0x0000000004B9D000-memory.dmp

Filesize
1012KB

Download
memory/1272-68-0x0000000007290000-0x0000000007437000-memory.dmp

Filesize
1.7MB

Download
memory/1616-60-0x00000000059D0000-0x0000000005A1B000-memory.dmp

Filesize
300KB

Download
memory/1616-55-0x00000000011D0000-0x00000000011D1000-memory.dmp

Filesize
4KB

Download
memory/1616-59-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/1616-58-0x0000000075C21000-0x0000000075C23000-memory.dmp

Filesize
8KB

Download
memory/1616-57-0x00000000049F0000-0x00000000049F1000-memory.dmp

Filesize
4KB

Download
memory/1640-71-0x0000000000000000-mapping.dmp

Download
memory/2016-69-0x0000000000000000-mapping.dmp

Download
memory/2016-72-0x0000000000C70000-0x0000000000C88000-memory.dmp

Filesize
96KB

Download
memory/2016-73-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/2016-74-0x0000000002090000-0x0000000002393000-memory.dmp

Filesize
3.0MB

Download
memory/2016-75-0x0000000000930000-0x00000000009C0000-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