xloader | 5e323290dee2f509e1e55df44b4b9630b0dbdb62f9a6eb96f01e8a12b7a2ac22

General

Target

SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
Size

563KB
MD5

6ba8c1b65f0d629b681ef2a34cb24785
SHA1

18c8b83ff38a0b5a650cfbd0392bef190fe81921
SHA256

f61b011c13db4d0cf3d35a73c8e1cf9edd3505c68013af06e24f7c0a857c6dc3
SHA512

e5b0bf176ca0d0108ab6c526ad1f0e13b25b5d9eb86f6f47e60454bdbaa36005f809b91b3ffa62edf8927fbd56d341e0356acf4985a184d6732666773c91718d

Score

10^/10

xloader pout loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

pout

Decoy

leadergaterealty.com

k7bsz.info

laidjapp1.com

eastcountytaxi.com

betterlife-uae.com

materaiku.com

chanhxebinhthuan-hcm.online

06gjm.xyz

67t.xyz

here-we-meet.com

screened-articletoseetoday.info

lucykg.club

mujdobron.quest

susakhi.com

funtabse.com

unlimitedpain.com

2ed58fwec.xyz

weighttrainingexpert.com

allisonsheillax.com

yektaburgers.com

Signatures

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

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1628-62-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1532-69-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

12 1532 rundll32.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1176 cmd.exe

flow	pid	process
12	1532	rundll32.exe

pid	process
1176	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exeSOA _ Aug-Dec 2021 Require Sign&Seal stamp.exerundll32.exe

description	pid	process	target process
PID 1204 set thread context of 1628	1204	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
PID 1628 set thread context of 1268	1628	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe	Explorer.EXE
PID 1532 set thread context of 1268	1532	rundll32.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exerundll32.exe

pid	process
1628	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
1628	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe
1532	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exerundll32.exe

pid	process
1628	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
1628	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
1628	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
1532	rundll32.exe
1532	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exerundll32.exe

description pid process

Token: SeDebugPrivilege 1628 SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
Token: SeDebugPrivilege 1532 rundll32.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1628	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
Token: SeDebugPrivilege	1532	rundll32.exe

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 1204 wrote to memory of 1628	1204	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
PID 1204 wrote to memory of 1628	1204	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
PID 1204 wrote to memory of 1628	1204	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
PID 1204 wrote to memory of 1628	1204	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
PID 1204 wrote to memory of 1628	1204	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
PID 1204 wrote to memory of 1628	1204	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
PID 1204 wrote to memory of 1628	1204	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe	SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
PID 1268 wrote to memory of 1532	1268	Explorer.EXE	rundll32.exe
PID 1268 wrote to memory of 1532	1268	Explorer.EXE	rundll32.exe
PID 1268 wrote to memory of 1532	1268	Explorer.EXE	rundll32.exe
PID 1268 wrote to memory of 1532	1268	Explorer.EXE	rundll32.exe
PID 1268 wrote to memory of 1532	1268	Explorer.EXE	rundll32.exe
PID 1268 wrote to memory of 1532	1268	Explorer.EXE	rundll32.exe
PID 1268 wrote to memory of 1532	1268	Explorer.EXE	rundll32.exe
PID 1532 wrote to memory of 1176	1532	rundll32.exe	cmd.exe
PID 1532 wrote to memory of 1176	1532	rundll32.exe	cmd.exe
PID 1532 wrote to memory of 1176	1532	rundll32.exe	cmd.exe
PID 1532 wrote to memory of 1176	1532	rundll32.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:1268

C:\Users\Admin\AppData\Local\Temp\SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
"C:\Users\Admin\AppData\Local\Temp\SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1204

C:\Users\Admin\AppData\Local\Temp\SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe
"C:\Users\Admin\AppData\Local\Temp\SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1628

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1532

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\SOA _ Aug-Dec 2021 Require Sign&Seal stamp.exe"
3⤵
- Deletes itself
PID:1176

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1204-55-0x0000000075B11000-0x0000000075B13000-memory.dmp

Filesize
8KB

Download
memory/1204-56-0x0000000004840000-0x0000000004841000-memory.dmp

Filesize
4KB

Download
memory/1204-57-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1204-58-0x0000000004845000-0x0000000004856000-memory.dmp

Filesize
68KB

Download
memory/1204-59-0x0000000004880000-0x00000000048DE000-memory.dmp

Filesize
376KB

Download
memory/1204-54-0x0000000000E80000-0x0000000000F14000-memory.dmp

Filesize
592KB

Download
memory/1268-66-0x0000000004060000-0x0000000004111000-memory.dmp

Filesize
708KB

Download
memory/1268-72-0x0000000004DA0000-0x0000000004EB8000-memory.dmp

Filesize
1.1MB

Download
memory/1532-69-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1532-70-0x0000000002030000-0x0000000002333000-memory.dmp

Filesize
3.0MB

Download
memory/1532-68-0x0000000000460000-0x000000000046E000-memory.dmp

Filesize
56KB

Download
memory/1532-71-0x0000000001EA0000-0x0000000001F30000-memory.dmp

Filesize
576KB

Download
memory/1628-64-0x00000000009A0000-0x0000000000CA3000-memory.dmp

Filesize
3.0MB

Download
memory/1628-65-0x0000000000290000-0x00000000002A1000-memory.dmp

Filesize
68KB

Download
memory/1628-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1628-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1628-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads