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/1308-61-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1308-62-0x000000000041D420-mapping.dmp	xloader
behavioral1/memory/960-71-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

748 cmd.exe

pid	process
748	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

PO_#10292132.exePO_#10292132.execmstp.exe

description	pid	process	target process
PID 1564 set thread context of 1308	1564	PO_#10292132.exe	PO_#10292132.exe
PID 1308 set thread context of 1264	1308	PO_#10292132.exe	Explorer.EXE
PID 960 set thread context of 1264	960	cmstp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

PO_#10292132.execmstp.exe

pid	process
1308	PO_#10292132.exe
1308	PO_#10292132.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe
960	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

PO_#10292132.execmstp.exe

pid process

1308 PO_#10292132.exe
1308 PO_#10292132.exe
1308 PO_#10292132.exe
960 cmstp.exe
960 cmstp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO_#10292132.execmstp.exe

description pid process

Token: SeDebugPrivilege 1308 PO_#10292132.exe
Token: SeDebugPrivilege 960 cmstp.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1264 Explorer.EXE
1264 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1264 Explorer.EXE
1264 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1308	PO_#10292132.exe
Token: SeDebugPrivilege	960	cmstp.exe

pid	process
1264	Explorer.EXE
1264	Explorer.EXE

pid	process
1264	Explorer.EXE
1264	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

PO_#10292132.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 1564 wrote to memory of 1308	1564	PO_#10292132.exe	PO_#10292132.exe
PID 1564 wrote to memory of 1308	1564	PO_#10292132.exe	PO_#10292132.exe
PID 1564 wrote to memory of 1308	1564	PO_#10292132.exe	PO_#10292132.exe
PID 1564 wrote to memory of 1308	1564	PO_#10292132.exe	PO_#10292132.exe
PID 1564 wrote to memory of 1308	1564	PO_#10292132.exe	PO_#10292132.exe
PID 1564 wrote to memory of 1308	1564	PO_#10292132.exe	PO_#10292132.exe
PID 1564 wrote to memory of 1308	1564	PO_#10292132.exe	PO_#10292132.exe
PID 1264 wrote to memory of 960	1264	Explorer.EXE	cmstp.exe
PID 1264 wrote to memory of 960	1264	Explorer.EXE	cmstp.exe
PID 1264 wrote to memory of 960	1264	Explorer.EXE	cmstp.exe
PID 1264 wrote to memory of 960	1264	Explorer.EXE	cmstp.exe
PID 1264 wrote to memory of 960	1264	Explorer.EXE	cmstp.exe
PID 1264 wrote to memory of 960	1264	Explorer.EXE	cmstp.exe
PID 1264 wrote to memory of 960	1264	Explorer.EXE	cmstp.exe
PID 960 wrote to memory of 748	960	cmstp.exe	cmd.exe
PID 960 wrote to memory of 748	960	cmstp.exe	cmd.exe
PID 960 wrote to memory of 748	960	cmstp.exe	cmd.exe
PID 960 wrote to memory of 748	960	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1264

C:\Users\Admin\AppData\Local\Temp\PO_#10292132.exe
"C:\Users\Admin\AppData\Local\Temp\PO_#10292132.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1564

C:\Users\Admin\AppData\Local\Temp\PO_#10292132.exe
"C:\Users\Admin\AppData\Local\Temp\PO_#10292132.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1308

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:960

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PO_#10292132.exe"
3⤵
- Deletes itself
PID:748

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/748-72-0x0000000000000000-mapping.dmp

Download
memory/960-73-0x0000000000820000-0x00000000008B0000-memory.dmp

Filesize
576KB

Download
memory/960-70-0x0000000001F60000-0x0000000002263000-memory.dmp

Filesize
3.0MB

Download
memory/960-71-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/960-69-0x0000000000450000-0x0000000000468000-memory.dmp

Filesize
96KB

Download
memory/960-68-0x0000000075821000-0x0000000075823000-memory.dmp

Filesize
8KB

Download
memory/960-67-0x0000000000000000-mapping.dmp

Download
memory/1264-66-0x0000000006CE0000-0x0000000006E73000-memory.dmp

Filesize
1.6MB

Download
memory/1264-74-0x0000000005F90000-0x0000000006066000-memory.dmp

Filesize
856KB

Download
memory/1308-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1308-65-0x0000000000210000-0x0000000000221000-memory.dmp

Filesize
68KB

Download
memory/1308-64-0x0000000000800000-0x0000000000B03000-memory.dmp

Filesize
3.0MB

Download
memory/1308-62-0x000000000041D420-mapping.dmp

Download
memory/1308-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1308-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1564-54-0x0000000000FA0000-0x0000000000FA1000-memory.dmp

Filesize
4KB

Download
memory/1564-58-0x0000000000E40000-0x0000000000E8B000-memory.dmp

Filesize
300KB

Download
memory/1564-57-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/1564-56-0x00000000049A0000-0x00000000049A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads