xloader | 28528e3099b98259f3967fab3b23d5dd17588d3bf1d99f02e20d324eab368735

General

Target

b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe
Size

818KB
MD5

9a50d2d0bafd2166fcb2ac5b9e3f45c0
SHA1

b827a7d4b3614a9c47fe79aefcc616cc4bcbec91
SHA256

28528e3099b98259f3967fab3b23d5dd17588d3bf1d99f02e20d324eab368735
SHA512

86e559b3b381c39025aac64faedc706b28d47b4673115c392a2d39b0d21e4759045e8fe911e165a4b5b3b8699d4867634342f7af14b43285fc5bc0c6f97a65e1

Score

10^/10

xloader pvxz loader persistence rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

pvxz

C2

http://www.finetipster.com/pvxz/

Decoy

imt-token.club

abravewayocen.online

shcloudcar.com

mshoppingworld.online

ncgf08.xyz

stuinfo.xyz

wesavetheplanetofficial.com

tourbox.xyz

believeinyourselftraining.com

jsboyat.com

aaeconomy.info

9etmorea.info

purosepeti7.com

goticketly.com

pinkmemorypt.com

mylifewellnesscentre.com

iridina.online

petrestore.online

neema.xyz

novelfooditalia.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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1732-62-0x0000000000000000-mapping.dmp	xloader
behavioral1/memory/1732-66-0x0000000072480000-0x00000000724A9000-memory.dmp	xloader
behavioral1/memory/1732-70-0x0000000072480000-0x00000000724A9000-memory.dmp	xloader
behavioral1/memory/1308-77-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run\Tddcviyi = "C:\\Users\\Admin\\Contacts\\iyivcddT.url"	b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

mobsync.execontrol.exe

description	pid	process	target process
PID 1732 set thread context of 1204	1732	mobsync.exe	Explorer.EXE
PID 1732 set thread context of 1204	1732	mobsync.exe	Explorer.EXE
PID 1308 set thread context of 1204	1308	control.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

mobsync.execontrol.exe

pid	process
1732	mobsync.exe
1732	mobsync.exe
1732	mobsync.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe
1308	control.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

mobsync.execontrol.exe

pid process

1732 mobsync.exe
1732 mobsync.exe
1732 mobsync.exe
1732 mobsync.exe
1308 control.exe
1308 control.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

mobsync.execontrol.exe

description pid process

Token: SeDebugPrivilege 1732 mobsync.exe
Token: SeDebugPrivilege 1308 control.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1732	mobsync.exe
Token: SeDebugPrivilege	1308	control.exe

pid	process
1204	Explorer.EXE
1204	Explorer.EXE

pid	process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exeExplorer.EXEcontrol.exe

description	pid	process	target process
PID 600 wrote to memory of 1732	600	b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe	mobsync.exe
PID 600 wrote to memory of 1732	600	b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe	mobsync.exe
PID 600 wrote to memory of 1732	600	b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe	mobsync.exe
PID 600 wrote to memory of 1732	600	b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe	mobsync.exe
PID 600 wrote to memory of 1732	600	b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe	mobsync.exe
PID 600 wrote to memory of 1732	600	b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe	mobsync.exe
PID 600 wrote to memory of 1732	600	b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe	mobsync.exe
PID 1204 wrote to memory of 1308	1204	Explorer.EXE	control.exe
PID 1204 wrote to memory of 1308	1204	Explorer.EXE	control.exe
PID 1204 wrote to memory of 1308	1204	Explorer.EXE	control.exe
PID 1204 wrote to memory of 1308	1204	Explorer.EXE	control.exe
PID 1308 wrote to memory of 1724	1308	control.exe	cmd.exe
PID 1308 wrote to memory of 1724	1308	control.exe	cmd.exe
PID 1308 wrote to memory of 1724	1308	control.exe	cmd.exe
PID 1308 wrote to memory of 1724	1308	control.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe
"C:\Users\Admin\AppData\Local\Temp\b827a7d4b3614a9c47fe79aefcc616cc4bcbec91.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:600

C:\Windows\SysWOW64\mobsync.exe
C:\Windows\System32\mobsync.exe
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1732

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1204

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1308

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\mobsync.exe"
3⤵
PID:1724

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/600-57-0x00000000003E2000-0x00000000003E3000-memory.dmp

Filesize
4KB

Download
memory/600-56-0x00000000003D1000-0x00000000003E2000-memory.dmp

Filesize
68KB

Download
memory/600-58-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/600-55-0x00000000763C1000-0x00000000763C3000-memory.dmp

Filesize
8KB

Download
memory/1204-69-0x0000000005F80000-0x00000000060D4000-memory.dmp

Filesize
1.3MB

Download
memory/1204-80-0x00000000074C0000-0x0000000007637000-memory.dmp

Filesize
1.5MB

Download
memory/1204-72-0x00000000068D0000-0x00000000069BC000-memory.dmp

Filesize
944KB

Download
memory/1308-79-0x0000000000490000-0x0000000000520000-memory.dmp

Filesize
576KB

Download
memory/1308-78-0x0000000002070000-0x0000000002373000-memory.dmp

Filesize
3.0MB

Download
memory/1308-76-0x0000000000660000-0x000000000067F000-memory.dmp

Filesize
124KB

Download
memory/1308-77-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1308-73-0x0000000000000000-mapping.dmp

Download
memory/1724-75-0x0000000000000000-mapping.dmp

Download
memory/1732-60-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1732-71-0x0000000000440000-0x0000000000451000-memory.dmp

Filesize
68KB

Download
memory/1732-70-0x0000000072480000-0x00000000724A9000-memory.dmp

Filesize
164KB

Download
memory/1732-68-0x00000000002F0000-0x0000000000301000-memory.dmp

Filesize
68KB

Download
memory/1732-67-0x0000000002010000-0x0000000002313000-memory.dmp

Filesize
3.0MB

Download
memory/1732-65-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/1732-66-0x0000000072480000-0x00000000724A9000-memory.dmp

Filesize
164KB

Download
memory/1732-62-0x0000000000000000-mapping.dmp

Download
memory/1732-59-0x0000000072480000-0x00000000724A9000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads