xloader | 35204f1850b1439ef9a8fd958d6c3045edae69378aa3593021795d0600fc5a01

General

Target

DHL_119040 receipt document,pdf.exe
Size

376KB
MD5

a26c06af19d765ddcb32a48cd6acb1eb
SHA1

152dcab66baef093434bf69a0c3f9e78f7bbeb90
SHA256

35204f1850b1439ef9a8fd958d6c3045edae69378aa3593021795d0600fc5a01
SHA512

98945dbca44f5620c66efb7fc323e796e04040d0d19a1e5514843daa5c3ee6696739e9e19c6b38ff78ce3328db45d073cab471fabd591e4b962248b4d24422fb

Score

10^/10

xloader b65i loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

b65i

C2

http://www.onewebuy.net/b65i/

Decoy

leofighters.com

smartat2.xyz

encontrevariedades.com

jimwilliamstutoring.com

kanpaiecuador.com

accura-inv.com

xtzgjxzz.com

scentstrategies.com

high-clicks2.com

hadishgebray.com

woodlawnbailbonds.com

dmsolutionsco.com

rdvulm21.com

beachyweens.com

ishirmansingh.com

rimmasbracelets.com

kellibrat.com

roselmasm.com

datkamoney.info

fermers.club

Signatures

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

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/468-57-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/468-58-0x000000000041D3B0-mapping.dmp	xloader
behavioral1/memory/468-63-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/564-70-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1852 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

DHL_119040 receipt document,pdf.exe

pid process

1140 DHL_119040 receipt document,pdf.exe

pid	process
1852	cmd.exe

pid	process
1140	DHL_119040 receipt document,pdf.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

DHL_119040 receipt document,pdf.exeDHL_119040 receipt document,pdf.execmstp.exe

description	pid	process	target process
PID 1140 set thread context of 468	1140	DHL_119040 receipt document,pdf.exe	DHL_119040 receipt document,pdf.exe
PID 468 set thread context of 1200	468	DHL_119040 receipt document,pdf.exe	Explorer.EXE
PID 468 set thread context of 1200	468	DHL_119040 receipt document,pdf.exe	Explorer.EXE
PID 564 set thread context of 1200	564	cmstp.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

DHL_119040 receipt document,pdf.execmstp.exe

pid	process
468	DHL_119040 receipt document,pdf.exe
468	DHL_119040 receipt document,pdf.exe
468	DHL_119040 receipt document,pdf.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe
564	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE

pid	process
1200	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

DHL_119040 receipt document,pdf.execmstp.exe

pid	process
468	DHL_119040 receipt document,pdf.exe
468	DHL_119040 receipt document,pdf.exe
468	DHL_119040 receipt document,pdf.exe
468	DHL_119040 receipt document,pdf.exe
564	cmstp.exe
564	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DHL_119040 receipt document,pdf.execmstp.exe

description pid process

Token: SeDebugPrivilege 468 DHL_119040 receipt document,pdf.exe
Token: SeDebugPrivilege 564 cmstp.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	468	DHL_119040 receipt document,pdf.exe
Token: SeDebugPrivilege	564	cmstp.exe

pid	process
1200	Explorer.EXE
1200	Explorer.EXE

pid	process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

DHL_119040 receipt document,pdf.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 1140 wrote to memory of 468	1140	DHL_119040 receipt document,pdf.exe	DHL_119040 receipt document,pdf.exe
PID 1140 wrote to memory of 468	1140	DHL_119040 receipt document,pdf.exe	DHL_119040 receipt document,pdf.exe
PID 1140 wrote to memory of 468	1140	DHL_119040 receipt document,pdf.exe	DHL_119040 receipt document,pdf.exe
PID 1140 wrote to memory of 468	1140	DHL_119040 receipt document,pdf.exe	DHL_119040 receipt document,pdf.exe
PID 1140 wrote to memory of 468	1140	DHL_119040 receipt document,pdf.exe	DHL_119040 receipt document,pdf.exe
PID 1140 wrote to memory of 468	1140	DHL_119040 receipt document,pdf.exe	DHL_119040 receipt document,pdf.exe
PID 1140 wrote to memory of 468	1140	DHL_119040 receipt document,pdf.exe	DHL_119040 receipt document,pdf.exe
PID 1200 wrote to memory of 564	1200	Explorer.EXE	cmstp.exe
PID 1200 wrote to memory of 564	1200	Explorer.EXE	cmstp.exe
PID 1200 wrote to memory of 564	1200	Explorer.EXE	cmstp.exe
PID 1200 wrote to memory of 564	1200	Explorer.EXE	cmstp.exe
PID 1200 wrote to memory of 564	1200	Explorer.EXE	cmstp.exe
PID 1200 wrote to memory of 564	1200	Explorer.EXE	cmstp.exe
PID 1200 wrote to memory of 564	1200	Explorer.EXE	cmstp.exe
PID 564 wrote to memory of 1852	564	cmstp.exe	cmd.exe
PID 564 wrote to memory of 1852	564	cmstp.exe	cmd.exe
PID 564 wrote to memory of 1852	564	cmstp.exe	cmd.exe
PID 564 wrote to memory of 1852	564	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1200

C:\Users\Admin\AppData\Local\Temp\DHL_119040 receipt document,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL_119040 receipt document,pdf.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1140

C:\Users\Admin\AppData\Local\Temp\DHL_119040 receipt document,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL_119040 receipt document,pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:468

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:564

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\DHL_119040 receipt document,pdf.exe"
3⤵
- Deletes itself
PID:1852

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsyE4B5.tmp\gjspvjmvb.dll
MD5
cb5ae97fd494cd241495179668d3a3d2

SHA1
33e6282a11c9140860710cd4a251e428e5cb75b8

SHA256
2e31c7a695a70e216180fefa04ff81c8ad783b72b8d5fe40f506e00ada784f6f

SHA512
83d265679fcb712cb8810d9b24a68c2d952cdb00656464b3c52a34a9bac48a62d2ed26d82ff0837946876bc1d992796376703a394da4c451cae671a043f32f44

Download Submit
memory/468-64-0x00000000003A0000-0x00000000003B1000-memory.dmp

Filesize
68KB

Download
memory/468-58-0x000000000041D3B0-mapping.dmp

Download
memory/468-60-0x0000000000730000-0x0000000000A33000-memory.dmp

Filesize
3.0MB

Download
memory/468-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/468-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/468-61-0x0000000000350000-0x0000000000361000-memory.dmp

Filesize
68KB

Download
memory/564-70-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/564-72-0x0000000001D90000-0x0000000001E20000-memory.dmp

Filesize
576KB

Download
memory/564-66-0x0000000000000000-mapping.dmp

Download
memory/564-71-0x0000000001F20000-0x0000000002223000-memory.dmp

Filesize
3.0MB

Download
memory/564-69-0x00000000007E0000-0x00000000007F8000-memory.dmp

Filesize
96KB

Download
memory/1140-55-0x0000000075191000-0x0000000075193000-memory.dmp

Filesize
8KB

Download
memory/1200-65-0x0000000007340000-0x00000000074E2000-memory.dmp

Filesize
1.6MB

Download
memory/1200-62-0x0000000005F70000-0x000000000607A000-memory.dmp

Filesize
1.0MB

Download
memory/1200-73-0x0000000003D50000-0x0000000003DEF000-memory.dmp

Filesize
636KB

Download
memory/1852-68-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads