xloader | 1cfec89b2bfbcdd400f0cd58741a2d7a218bb2bbf2399b55833c6f4a64829883

General

Target

products order pdf.exe
Size

825KB
MD5

78b638ad61109b9327e9a3a304bf1fac
SHA1

d4abee4c7936c2a797c44d4cd579f62de172b216
SHA256

1cfec89b2bfbcdd400f0cd58741a2d7a218bb2bbf2399b55833c6f4a64829883
SHA512

fb415828b9b5db340a7b277319305b3f574a7e435e4238ab16b619dbfd812543d63b1439711863338b73160da461d8fc5a5dd20dd615d2e8a06e57e7d997dc7b

Score

10^/10

xloader loader persistence rat

Malware Config

Extracted

Family

xloader

C2

http://www.brandonprattdrums.com/nt8e/

Decoy

cfwg123.com

gazipasadan.xyz

careogeen.com

zitatewelten.com

thecvpro.com

viltais.com

benimed.today

rogerecameron.com

courtclassesathome.com

yakin-hm.com

vidasanayprospera.com

mandirana.com

skybluebet.com

rescuedpetsarewonderful.com

solisdq.info

affiliateside.com

homewellliving.com

missteenroyaluniverse.com

bajrangproperties.com

bundleobliss.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2032-5-0x0000000000000000-mapping.dmp	xloader
behavioral1/memory/2032-7-0x0000000010410000-0x0000000010438000-memory.dmp	xloader
behavioral1/memory/1640-16-0x0000000000080000-0x00000000000A8000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

mstsc.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3825035466-2522850611-591511364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	mstsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\UP-T5HTHUJS = "C:\\Program Files (x86)\\internet explorer\\ieinstal.exe"	mstsc.exe

Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Processes:

mstsc.exe

description ioc process

Key created \Registry\User\S-1-5-21-3825035466-2522850611-591511364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run mstsc.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3825035466-2522850611-591511364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	mstsc.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

ieinstal.exemstsc.exe

description	pid	process	target process
PID 2032 set thread context of 1248	2032	ieinstal.exe	Explorer.EXE
PID 2032 set thread context of 1248	2032	ieinstal.exe	Explorer.EXE
PID 1640 set thread context of 1248	1640	mstsc.exe	Explorer.EXE

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 4 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

description	flow	ioc
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

ieinstal.exemstsc.exe

pid	process
2032	ieinstal.exe
2032	ieinstal.exe
2032	ieinstal.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe
1640	mstsc.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

ieinstal.exemstsc.exe

pid process

2032 ieinstal.exe
2032 ieinstal.exe
2032 ieinstal.exe
2032 ieinstal.exe
1640 mstsc.exe
1640 mstsc.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ieinstal.exemstsc.exe

description pid process

Token: SeDebugPrivilege 2032 ieinstal.exe
Token: SeDebugPrivilege 1640 mstsc.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
1248 Explorer.EXE
1248 Explorer.EXE
1248 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
1248 Explorer.EXE
1248 Explorer.EXE
1248 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2032	ieinstal.exe
Token: SeDebugPrivilege	1640	mstsc.exe

pid	process
1248	Explorer.EXE
1248	Explorer.EXE
1248	Explorer.EXE
1248	Explorer.EXE

pid	process
1248	Explorer.EXE
1248	Explorer.EXE
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

products order pdf.exeieinstal.exe

description	pid	process	target process
PID 1724 wrote to memory of 2032	1724	products order pdf.exe	ieinstal.exe
PID 1724 wrote to memory of 2032	1724	products order pdf.exe	ieinstal.exe
PID 1724 wrote to memory of 2032	1724	products order pdf.exe	ieinstal.exe
PID 1724 wrote to memory of 2032	1724	products order pdf.exe	ieinstal.exe
PID 1724 wrote to memory of 2032	1724	products order pdf.exe	ieinstal.exe
PID 1724 wrote to memory of 2032	1724	products order pdf.exe	ieinstal.exe
PID 1724 wrote to memory of 2032	1724	products order pdf.exe	ieinstal.exe
PID 1724 wrote to memory of 2032	1724	products order pdf.exe	ieinstal.exe
PID 1724 wrote to memory of 2032	1724	products order pdf.exe	ieinstal.exe
PID 1724 wrote to memory of 2032	1724	products order pdf.exe	ieinstal.exe
PID 2032 wrote to memory of 1640	2032	ieinstal.exe	mstsc.exe
PID 2032 wrote to memory of 1640	2032	ieinstal.exe	mstsc.exe
PID 2032 wrote to memory of 1640	2032	ieinstal.exe	mstsc.exe
PID 2032 wrote to memory of 1640	2032	ieinstal.exe	mstsc.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1248

C:\Users\Admin\AppData\Local\Temp\products order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\products order pdf.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1724

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
4⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1640

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1324

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1248-12-0x0000000006C40000-0x0000000006DBB000-memory.dmp

Filesize
1.5MB

Download
memory/1248-10-0x0000000006AE0000-0x0000000006C3A000-memory.dmp

Filesize
1.4MB

Download
memory/1640-18-0x0000000000960000-0x00000000009F0000-memory.dmp

Filesize
576KB

Download
memory/1640-17-0x0000000001FE0000-0x00000000022E3000-memory.dmp

Filesize
3.0MB

Download
memory/1640-16-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/1640-15-0x0000000000AD0000-0x0000000000BD4000-memory.dmp

Filesize
1.0MB

Download
memory/1640-13-0x0000000000000000-mapping.dmp

Download
memory/1724-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1724-2-0x00000000761E1000-0x00000000761E3000-memory.dmp

Filesize
8KB

Download
memory/2032-5-0x0000000000000000-mapping.dmp

Download
memory/2032-11-0x00000000003B0000-0x00000000003C1000-memory.dmp

Filesize
68KB

Download
memory/2032-9-0x0000000000210000-0x0000000000221000-memory.dmp

Filesize
68KB

Download
memory/2032-8-0x0000000000C50000-0x0000000000F53000-memory.dmp

Filesize
3.0MB

Download
memory/2032-7-0x0000000010410000-0x0000000010438000-memory.dmp

Filesize
160KB

Download
memory/2032-4-0x00000000000E0000-0x00000000000E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads