xloader | 16afc1275bbb9dc325bcb03d7d0fb57b704adc0438c5c006070bdd07f2259230

General

Target

DO 2168569 2172145000025112021.exe
Size

584KB
MD5

cb8bd5b9563bf3cfbafbbbbf99048266
SHA1

9972dd790388aa860598448da56312571e4f4f5e
SHA256

16afc1275bbb9dc325bcb03d7d0fb57b704adc0438c5c006070bdd07f2259230
SHA512

858f481523f80cd8490deb9539a4ca8d5109aba5c6328ad0ea6f7aa063c229c462bc3a19197b08c7e6811df41c21b7fe8d7bf27f69a3c93d96f97795a88956a6

Score

10^/10

xloader u0n0 loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

u0n0

C2

http://www.52xjg3.xyz/u0n0/

Decoy

learnwithvr.net

minismi2.com

slimfitbottle.com

gzartisan.com

fullfamilyclub.com

adaptationstudios.com

domynt.com

aboydnfuid.com

dirtroaddesigns.net

timhortons-ca.xyz

gladiator-111.com

breakingza.com

njjbds.com

keithrgordon.com

litestore365.host

unichromegame.com

wundversorgung-tirol.com

wholistic-choice.com

shingletownrrn.com

kapikenya.com

Signatures

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

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1140-63-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1140-64-0x000000000041D440-mapping.dmp	xloader
behavioral1/memory/1140-69-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/432-76-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1680 cmd.exe

pid	process
1680	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

DO 2168569 2172145000025112021.exeDO 2168569 2172145000025112021.exeraserver.exe

description	pid	process	target process
PID 1496 set thread context of 1140	1496	DO 2168569 2172145000025112021.exe	DO 2168569 2172145000025112021.exe
PID 1140 set thread context of 1220	1140	DO 2168569 2172145000025112021.exe	Explorer.EXE
PID 1140 set thread context of 1220	1140	DO 2168569 2172145000025112021.exe	Explorer.EXE
PID 432 set thread context of 1220	432	raserver.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

DO 2168569 2172145000025112021.exeDO 2168569 2172145000025112021.exeraserver.exe

pid	process
1496	DO 2168569 2172145000025112021.exe
1140	DO 2168569 2172145000025112021.exe
1140	DO 2168569 2172145000025112021.exe
1140	DO 2168569 2172145000025112021.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe
432	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

DO 2168569 2172145000025112021.exeraserver.exe

pid	process
1140	DO 2168569 2172145000025112021.exe
1140	DO 2168569 2172145000025112021.exe
1140	DO 2168569 2172145000025112021.exe
1140	DO 2168569 2172145000025112021.exe
432	raserver.exe
432	raserver.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

DO 2168569 2172145000025112021.exeDO 2168569 2172145000025112021.exeraserver.exe

description	pid	process
Token: SeDebugPrivilege	1496	DO 2168569 2172145000025112021.exe
Token: SeDebugPrivilege	1140	DO 2168569 2172145000025112021.exe
Token: SeDebugPrivilege	432	raserver.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

DO 2168569 2172145000025112021.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 1496 wrote to memory of 572	1496	DO 2168569 2172145000025112021.exe	DO 2168569 2172145000025112021.exe
PID 1496 wrote to memory of 572	1496	DO 2168569 2172145000025112021.exe	DO 2168569 2172145000025112021.exe
PID 1496 wrote to memory of 572	1496	DO 2168569 2172145000025112021.exe	DO 2168569 2172145000025112021.exe
PID 1496 wrote to memory of 572	1496	DO 2168569 2172145000025112021.exe	DO 2168569 2172145000025112021.exe
PID 1496 wrote to memory of 1140	1496	DO 2168569 2172145000025112021.exe	DO 2168569 2172145000025112021.exe
PID 1496 wrote to memory of 1140	1496	DO 2168569 2172145000025112021.exe	DO 2168569 2172145000025112021.exe
PID 1496 wrote to memory of 1140	1496	DO 2168569 2172145000025112021.exe	DO 2168569 2172145000025112021.exe
PID 1496 wrote to memory of 1140	1496	DO 2168569 2172145000025112021.exe	DO 2168569 2172145000025112021.exe
PID 1496 wrote to memory of 1140	1496	DO 2168569 2172145000025112021.exe	DO 2168569 2172145000025112021.exe
PID 1496 wrote to memory of 1140	1496	DO 2168569 2172145000025112021.exe	DO 2168569 2172145000025112021.exe
PID 1496 wrote to memory of 1140	1496	DO 2168569 2172145000025112021.exe	DO 2168569 2172145000025112021.exe
PID 1220 wrote to memory of 432	1220	Explorer.EXE	raserver.exe
PID 1220 wrote to memory of 432	1220	Explorer.EXE	raserver.exe
PID 1220 wrote to memory of 432	1220	Explorer.EXE	raserver.exe
PID 1220 wrote to memory of 432	1220	Explorer.EXE	raserver.exe
PID 432 wrote to memory of 1680	432	raserver.exe	cmd.exe
PID 432 wrote to memory of 1680	432	raserver.exe	cmd.exe
PID 432 wrote to memory of 1680	432	raserver.exe	cmd.exe
PID 432 wrote to memory of 1680	432	raserver.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:1220

C:\Users\Admin\AppData\Local\Temp\DO 2168569 2172145000025112021.exe
"C:\Users\Admin\AppData\Local\Temp\DO 2168569 2172145000025112021.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1496

C:\Users\Admin\AppData\Local\Temp\DO 2168569 2172145000025112021.exe
"C:\Users\Admin\AppData\Local\Temp\DO 2168569 2172145000025112021.exe"
3⤵
PID:572

C:\Users\Admin\AppData\Local\Temp\DO 2168569 2172145000025112021.exe
"C:\Users\Admin\AppData\Local\Temp\DO 2168569 2172145000025112021.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1140

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:432

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\DO 2168569 2172145000025112021.exe"
3⤵
- Deletes itself
PID:1680

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/432-72-0x0000000000000000-mapping.dmp

Download
memory/432-78-0x0000000001D60000-0x0000000001DF0000-memory.dmp

Filesize
576KB

Download
memory/432-77-0x0000000001DF0000-0x00000000020F3000-memory.dmp

Filesize
3.0MB

Download
memory/432-76-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/432-75-0x0000000000100000-0x000000000011C000-memory.dmp

Filesize
112KB

Download
memory/432-73-0x0000000074E51000-0x0000000074E53000-memory.dmp

Filesize
8KB

Download
memory/1140-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1140-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1140-64-0x000000000041D440-mapping.dmp

Download
memory/1140-67-0x0000000000110000-0x0000000000121000-memory.dmp

Filesize
68KB

Download
memory/1140-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1140-66-0x00000000008A0000-0x0000000000BA3000-memory.dmp

Filesize
3.0MB

Download
memory/1140-69-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1140-70-0x0000000000300000-0x0000000000311000-memory.dmp

Filesize
68KB

Download
memory/1220-71-0x0000000006280000-0x00000000063E4000-memory.dmp

Filesize
1.4MB

Download
memory/1220-68-0x0000000003CD0000-0x0000000003E0C000-memory.dmp

Filesize
1.2MB

Download
memory/1220-79-0x0000000003E90000-0x0000000003F4B000-memory.dmp

Filesize
748KB

Download
memory/1496-55-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1496-60-0x0000000004E60000-0x0000000004EBA000-memory.dmp

Filesize
360KB

Download
memory/1496-59-0x00000000049E5000-0x00000000049F6000-memory.dmp

Filesize
68KB

Download
memory/1496-58-0x0000000000580000-0x0000000000588000-memory.dmp

Filesize
32KB

Download
memory/1496-57-0x00000000049E0000-0x00000000049E1000-memory.dmp

Filesize
4KB

Download
memory/1680-74-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads