xloader | 9acf8fb51cab55a01a74cb84ca9958862b29b8909408e87412700e63a4f578ae

General

Target

STATEMENT Oct-Nov 25-11-2021.com.exe
Size

301KB
MD5

02e738dd13974ab64a472f6aa2f065a8
SHA1

6134aee9ceffce4d6ed1777739493def77b62533
SHA256

9acf8fb51cab55a01a74cb84ca9958862b29b8909408e87412700e63a4f578ae
SHA512

90ce5711d1f3abd07398c38706f5dc48da02676a86331115b5c7724fd98b1b41606f3d80763d3c03663c1c1bf7864609d65eae183b73f5df2db8e73a49bccf09

Score

10^/10

xloader unzn loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

unzn

C2

http://www.davanamays.com/unzn/

Decoy

xiulf.com

highcountrymortar.com

523561.com

marketingagency.tools

ganmovie.net

nationaalcontactpunt.com

sirrbter.com

begizas.xyz

missimi-fashion.com

munixc.info

daas.support

spaceworbc.com

faithtruthresolve.com

gymkub.com

thegrayverse.xyz

artisanmakefurniture.com

029tryy.com

ijuubx.biz

iphone13promax.club

techuniversus.com

Signatures

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

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/576-57-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/576-58-0x000000000041D430-mapping.dmp	xloader
behavioral1/memory/576-63-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/816-68-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1000 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

STATEMENT Oct-Nov 25-11-2021.com.exe

pid process

520 STATEMENT Oct-Nov 25-11-2021.com.exe

pid	process
1000	cmd.exe

pid	process
520	STATEMENT Oct-Nov 25-11-2021.com.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

STATEMENT Oct-Nov 25-11-2021.com.exeSTATEMENT Oct-Nov 25-11-2021.com.exesvchost.exe

description	pid	process	target process
PID 520 set thread context of 576	520	STATEMENT Oct-Nov 25-11-2021.com.exe	STATEMENT Oct-Nov 25-11-2021.com.exe
PID 576 set thread context of 1200	576	STATEMENT Oct-Nov 25-11-2021.com.exe	Explorer.EXE
PID 576 set thread context of 1200	576	STATEMENT Oct-Nov 25-11-2021.com.exe	Explorer.EXE
PID 816 set thread context of 1200	816	svchost.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 29 IoCs

Processes:

STATEMENT Oct-Nov 25-11-2021.com.exesvchost.exe

pid	process
576	STATEMENT Oct-Nov 25-11-2021.com.exe
576	STATEMENT Oct-Nov 25-11-2021.com.exe
576	STATEMENT Oct-Nov 25-11-2021.com.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.exe
816	svchost.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:

STATEMENT Oct-Nov 25-11-2021.com.exesvchost.exe

pid	process
576	STATEMENT Oct-Nov 25-11-2021.com.exe
576	STATEMENT Oct-Nov 25-11-2021.com.exe
576	STATEMENT Oct-Nov 25-11-2021.com.exe
576	STATEMENT Oct-Nov 25-11-2021.com.exe
816	svchost.exe
816	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

STATEMENT Oct-Nov 25-11-2021.com.exesvchost.exe

description pid process

Token: SeDebugPrivilege 576 STATEMENT Oct-Nov 25-11-2021.com.exe
Token: SeDebugPrivilege 816 svchost.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	576	STATEMENT Oct-Nov 25-11-2021.com.exe
Token: SeDebugPrivilege	816	svchost.exe

pid	process
1200	Explorer.EXE
1200	Explorer.EXE

pid	process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

STATEMENT Oct-Nov 25-11-2021.com.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 520 wrote to memory of 576	520	STATEMENT Oct-Nov 25-11-2021.com.exe	STATEMENT Oct-Nov 25-11-2021.com.exe
PID 520 wrote to memory of 576	520	STATEMENT Oct-Nov 25-11-2021.com.exe	STATEMENT Oct-Nov 25-11-2021.com.exe
PID 520 wrote to memory of 576	520	STATEMENT Oct-Nov 25-11-2021.com.exe	STATEMENT Oct-Nov 25-11-2021.com.exe
PID 520 wrote to memory of 576	520	STATEMENT Oct-Nov 25-11-2021.com.exe	STATEMENT Oct-Nov 25-11-2021.com.exe
PID 520 wrote to memory of 576	520	STATEMENT Oct-Nov 25-11-2021.com.exe	STATEMENT Oct-Nov 25-11-2021.com.exe
PID 520 wrote to memory of 576	520	STATEMENT Oct-Nov 25-11-2021.com.exe	STATEMENT Oct-Nov 25-11-2021.com.exe
PID 520 wrote to memory of 576	520	STATEMENT Oct-Nov 25-11-2021.com.exe	STATEMENT Oct-Nov 25-11-2021.com.exe
PID 1200 wrote to memory of 816	1200	Explorer.EXE	svchost.exe
PID 1200 wrote to memory of 816	1200	Explorer.EXE	svchost.exe
PID 1200 wrote to memory of 816	1200	Explorer.EXE	svchost.exe
PID 1200 wrote to memory of 816	1200	Explorer.EXE	svchost.exe
PID 816 wrote to memory of 1000	816	svchost.exe	cmd.exe
PID 816 wrote to memory of 1000	816	svchost.exe	cmd.exe
PID 816 wrote to memory of 1000	816	svchost.exe	cmd.exe
PID 816 wrote to memory of 1000	816	svchost.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\STATEMENT Oct-Nov 25-11-2021.com.exe
"C:\Users\Admin\AppData\Local\Temp\STATEMENT Oct-Nov 25-11-2021.com.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:520

C:\Users\Admin\AppData\Local\Temp\STATEMENT Oct-Nov 25-11-2021.com.exe
"C:\Users\Admin\AppData\Local\Temp\STATEMENT Oct-Nov 25-11-2021.com.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:576

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:816

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\STATEMENT Oct-Nov 25-11-2021.com.exe"
3⤵
- Deletes itself
PID:1000

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\nsoF587.tmp\ncpszgn.dll
MD5
c3678c74295ff18273f177d3058bcc9d

SHA1
619a2fbfb1f1512e96af74733345e5539786e789

SHA256
d6cb2032b903d1820cc840659d655877cba6d1e6746ebf366696aed3d9dc0c65

SHA512
3542b7dfeea67460f52fd40f212831ebc33a7831b3b05770ce619c0e25f030129028e5e96c3291fc578d39075107e7ef8bf5883ea79a38c69a0edee9df72056c

Download Submit
memory/520-55-0x0000000075191000-0x0000000075193000-memory.dmp

Filesize
8KB

Download
memory/576-64-0x00000000005A0000-0x00000000005B1000-memory.dmp

Filesize
68KB

Download
memory/576-61-0x00000000003D0000-0x00000000003E1000-memory.dmp

Filesize
68KB

Download
memory/576-60-0x0000000000970000-0x0000000000C73000-memory.dmp

Filesize
3.0MB

Download
memory/576-58-0x000000000041D430-mapping.dmp

Download
memory/576-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/576-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/816-71-0x00000000005E0000-0x0000000000670000-memory.dmp

Filesize
576KB

Download
memory/816-66-0x0000000000000000-mapping.dmp

Download
memory/816-67-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/816-68-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/816-69-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/1000-70-0x0000000000000000-mapping.dmp

Download
memory/1200-62-0x0000000007340000-0x0000000007486000-memory.dmp

Filesize
1.3MB

Download
memory/1200-65-0x0000000005F70000-0x000000000604E000-memory.dmp

Filesize
888KB

Download
memory/1200-72-0x0000000007490000-0x00000000075F1000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads