xloader | c4c9d27ea805c32e7f0e66dc0d9534d8fbd87f4c1327727b2e1e9ae937f02c45

General

Target

Inquiry Order 26-09-2021.exe
Size

818KB
MD5

0bbbecc3323e753a087a19b3cc4edabd
SHA1

b96d8e6c3278698624e228f09de44815b1d90905
SHA256

c4c9d27ea805c32e7f0e66dc0d9534d8fbd87f4c1327727b2e1e9ae937f02c45
SHA512

054e82894d5a1974de958460a30ca7be4fd1395304900a8f5859c9cb5a98a6bf9e8848445f80c5a2b512f1579734111aff2782470111250723aaf7291a9733d5

Score

10^/10

xloader b5ce loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

b5ce

C2

http://www.rheilea.com/b5ce/

Decoy

advellerd.xyz

giasuvina.com

arab-xt-pro.com

ahsltu2ua4.com

trasportesemmanuel.com

kissimmeesoccercup.com

studyengland.com

m2volleyballclub.com

shyuehuan.com

elsml.com

blog-x-history.top

coditeu.com

allattachments.net

vigautruc.com

mentication.com

zambiaedu.xyz

filadelfiacenter.com

avlaborsourceinc.info

tameka-stewart.com

studio-cleo.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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/984-59-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/984-60-0x000000000041D430-mapping.dmp	xloader
behavioral1/memory/1900-70-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

592 cmd.exe

pid	process
592	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Inquiry Order 26-09-2021.exeInquiry Order 26-09-2021.execmstp.exe

description	pid	process	target process
PID 1216 set thread context of 984	1216	Inquiry Order 26-09-2021.exe	Inquiry Order 26-09-2021.exe
PID 984 set thread context of 1268	984	Inquiry Order 26-09-2021.exe	Explorer.EXE
PID 984 set thread context of 1268	984	Inquiry Order 26-09-2021.exe	Explorer.EXE
PID 1900 set thread context of 1268	1900	cmstp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

Inquiry Order 26-09-2021.execmstp.exe

pid	process
984	Inquiry Order 26-09-2021.exe
984	Inquiry Order 26-09-2021.exe
984	Inquiry Order 26-09-2021.exe
1900	cmstp.exe
1900	cmstp.exe
1900	cmstp.exe
1900	cmstp.exe
1900	cmstp.exe
1900	cmstp.exe
1900	cmstp.exe
1900	cmstp.exe
1900	cmstp.exe
1900	cmstp.exe
1900	cmstp.exe
1900	cmstp.exe
1900	cmstp.exe
1900	cmstp.exe
1900	cmstp.exe
1900	cmstp.exe
1900	cmstp.exe
1900	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Inquiry Order 26-09-2021.execmstp.exe

pid	process
984	Inquiry Order 26-09-2021.exe
984	Inquiry Order 26-09-2021.exe
984	Inquiry Order 26-09-2021.exe
984	Inquiry Order 26-09-2021.exe
1900	cmstp.exe
1900	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Inquiry Order 26-09-2021.execmstp.exe

description pid process

Token: SeDebugPrivilege 984 Inquiry Order 26-09-2021.exe
Token: SeDebugPrivilege 1900 cmstp.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	984	Inquiry Order 26-09-2021.exe
Token: SeDebugPrivilege	1900	cmstp.exe

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

Inquiry Order 26-09-2021.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 1216 wrote to memory of 984	1216	Inquiry Order 26-09-2021.exe	Inquiry Order 26-09-2021.exe
PID 1216 wrote to memory of 984	1216	Inquiry Order 26-09-2021.exe	Inquiry Order 26-09-2021.exe
PID 1216 wrote to memory of 984	1216	Inquiry Order 26-09-2021.exe	Inquiry Order 26-09-2021.exe
PID 1216 wrote to memory of 984	1216	Inquiry Order 26-09-2021.exe	Inquiry Order 26-09-2021.exe
PID 1216 wrote to memory of 984	1216	Inquiry Order 26-09-2021.exe	Inquiry Order 26-09-2021.exe
PID 1216 wrote to memory of 984	1216	Inquiry Order 26-09-2021.exe	Inquiry Order 26-09-2021.exe
PID 1216 wrote to memory of 984	1216	Inquiry Order 26-09-2021.exe	Inquiry Order 26-09-2021.exe
PID 1268 wrote to memory of 1900	1268	Explorer.EXE	cmstp.exe
PID 1268 wrote to memory of 1900	1268	Explorer.EXE	cmstp.exe
PID 1268 wrote to memory of 1900	1268	Explorer.EXE	cmstp.exe
PID 1268 wrote to memory of 1900	1268	Explorer.EXE	cmstp.exe
PID 1268 wrote to memory of 1900	1268	Explorer.EXE	cmstp.exe
PID 1268 wrote to memory of 1900	1268	Explorer.EXE	cmstp.exe
PID 1268 wrote to memory of 1900	1268	Explorer.EXE	cmstp.exe
PID 1900 wrote to memory of 592	1900	cmstp.exe	cmd.exe
PID 1900 wrote to memory of 592	1900	cmstp.exe	cmd.exe
PID 1900 wrote to memory of 592	1900	cmstp.exe	cmd.exe
PID 1900 wrote to memory of 592	1900	cmstp.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\Inquiry Order 26-09-2021.exe
"C:\Users\Admin\AppData\Local\Temp\Inquiry Order 26-09-2021.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1216

C:\Users\Admin\AppData\Local\Temp\Inquiry Order 26-09-2021.exe
"C:\Users\Admin\AppData\Local\Temp\Inquiry Order 26-09-2021.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:984

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Inquiry Order 26-09-2021.exe"
3⤵
- Deletes itself
PID:592

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/592-71-0x0000000000000000-mapping.dmp

Download
memory/984-64-0x0000000000280000-0x0000000000291000-memory.dmp

Filesize
68KB

Download
memory/984-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/984-60-0x000000000041D430-mapping.dmp

Download
memory/984-62-0x0000000000150000-0x0000000000161000-memory.dmp

Filesize
68KB

Download
memory/984-61-0x0000000000B80000-0x0000000000E83000-memory.dmp

Filesize
3.0MB

Download
memory/1216-55-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

Filesize
4KB

Download
memory/1216-53-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/1216-58-0x0000000001EF0000-0x0000000001F1F000-memory.dmp

Filesize
188KB

Download
memory/1216-57-0x0000000004EA0000-0x0000000004EFE000-memory.dmp

Filesize
376KB

Download
memory/1216-56-0x00000000003C0000-0x00000000003C7000-memory.dmp

Filesize
28KB

Download
memory/1268-73-0x00000000040C0000-0x000000000415E000-memory.dmp

Filesize
632KB

Download
memory/1268-65-0x0000000004E70000-0x0000000004F2B000-memory.dmp

Filesize
748KB

Download
memory/1268-63-0x00000000067F0000-0x00000000068D1000-memory.dmp

Filesize
900KB

Download
memory/1900-67-0x0000000075B11000-0x0000000075B13000-memory.dmp

Filesize
8KB

Download
memory/1900-68-0x00000000004C0000-0x00000000004D8000-memory.dmp

Filesize
96KB

Download
memory/1900-69-0x0000000001F90000-0x0000000002293000-memory.dmp

Filesize
3.0MB

Download
memory/1900-70-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1900-66-0x0000000000000000-mapping.dmp

Download
memory/1900-72-0x0000000001E00000-0x0000000001E90000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads