xloader | 092556173667d99c032fc3698faa80242ddcc880b9854655c5f619355903c4ae

General

Target

Inquiry-URGENT.exe
Size

617KB
MD5

7c347b3aba43cefc31e91fede356961b
SHA1

58bb9e282a8d6c95941d310a23010718901c58dd
SHA256

c18d5baf727358a8635a51fc7cfb4c3f4c90c78abcecf051feb4540323e98746
SHA512

94b6633784c888527aef5e3f4cba9d03b04118f43c0f6222b2c60e756fdb183fe88e9a9d940b95fb3ac2d85bee4a4a681ab8f77f4de85c9a722c8c8da9eaebe9

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/1880-66-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1880-67-0x000000000041D430-mapping.dmp	xloader
behavioral1/memory/1440-74-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1620 cmd.exe

pid	process
1620	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Inquiry-URGENT.exeInquiry-URGENT.exemsiexec.exe

description	pid	process	target process
PID 1860 set thread context of 1880	1860	Inquiry-URGENT.exe	Inquiry-URGENT.exe
PID 1880 set thread context of 1228	1880	Inquiry-URGENT.exe	Explorer.EXE
PID 1440 set thread context of 1228	1440	msiexec.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

Inquiry-URGENT.exeInquiry-URGENT.exemsiexec.exe

pid	process
1860	Inquiry-URGENT.exe
1880	Inquiry-URGENT.exe
1880	Inquiry-URGENT.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe
1440	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Inquiry-URGENT.exemsiexec.exe

pid process

1880 Inquiry-URGENT.exe
1880 Inquiry-URGENT.exe
1880 Inquiry-URGENT.exe
1440 msiexec.exe
1440 msiexec.exe

pid	process
1880	Inquiry-URGENT.exe
1880	Inquiry-URGENT.exe
1880	Inquiry-URGENT.exe
1440	msiexec.exe
1440	msiexec.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Inquiry-URGENT.exeInquiry-URGENT.exemsiexec.exe

description	pid	process
Token: SeDebugPrivilege	1860	Inquiry-URGENT.exe
Token: SeDebugPrivilege	1880	Inquiry-URGENT.exe
Token: SeDebugPrivilege	1440	msiexec.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE

pid	process
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE

pid	process
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

Inquiry-URGENT.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 1860 wrote to memory of 1868	1860	Inquiry-URGENT.exe	Inquiry-URGENT.exe
PID 1860 wrote to memory of 1868	1860	Inquiry-URGENT.exe	Inquiry-URGENT.exe
PID 1860 wrote to memory of 1868	1860	Inquiry-URGENT.exe	Inquiry-URGENT.exe
PID 1860 wrote to memory of 1868	1860	Inquiry-URGENT.exe	Inquiry-URGENT.exe
PID 1860 wrote to memory of 1880	1860	Inquiry-URGENT.exe	Inquiry-URGENT.exe
PID 1860 wrote to memory of 1880	1860	Inquiry-URGENT.exe	Inquiry-URGENT.exe
PID 1860 wrote to memory of 1880	1860	Inquiry-URGENT.exe	Inquiry-URGENT.exe
PID 1860 wrote to memory of 1880	1860	Inquiry-URGENT.exe	Inquiry-URGENT.exe
PID 1860 wrote to memory of 1880	1860	Inquiry-URGENT.exe	Inquiry-URGENT.exe
PID 1860 wrote to memory of 1880	1860	Inquiry-URGENT.exe	Inquiry-URGENT.exe
PID 1860 wrote to memory of 1880	1860	Inquiry-URGENT.exe	Inquiry-URGENT.exe
PID 1228 wrote to memory of 1440	1228	Explorer.EXE	msiexec.exe
PID 1228 wrote to memory of 1440	1228	Explorer.EXE	msiexec.exe
PID 1228 wrote to memory of 1440	1228	Explorer.EXE	msiexec.exe
PID 1228 wrote to memory of 1440	1228	Explorer.EXE	msiexec.exe
PID 1228 wrote to memory of 1440	1228	Explorer.EXE	msiexec.exe
PID 1228 wrote to memory of 1440	1228	Explorer.EXE	msiexec.exe
PID 1228 wrote to memory of 1440	1228	Explorer.EXE	msiexec.exe
PID 1440 wrote to memory of 1620	1440	msiexec.exe	cmd.exe
PID 1440 wrote to memory of 1620	1440	msiexec.exe	cmd.exe
PID 1440 wrote to memory of 1620	1440	msiexec.exe	cmd.exe
PID 1440 wrote to memory of 1620	1440	msiexec.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:1228

C:\Users\Admin\AppData\Local\Temp\Inquiry-URGENT.exe
"C:\Users\Admin\AppData\Local\Temp\Inquiry-URGENT.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1860

C:\Users\Admin\AppData\Local\Temp\Inquiry-URGENT.exe
"C:\Users\Admin\AppData\Local\Temp\Inquiry-URGENT.exe"
3⤵
PID:1868

C:\Users\Admin\AppData\Local\Temp\Inquiry-URGENT.exe
"C:\Users\Admin\AppData\Local\Temp\Inquiry-URGENT.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1880

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1000

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1440

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Inquiry-URGENT.exe"
3⤵
- Deletes itself
PID:1620

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1228-70-0x00000000041A0000-0x000000000428E000-memory.dmp

Filesize
952KB

Download
memory/1228-78-0x0000000004F40000-0x0000000005085000-memory.dmp

Filesize
1.3MB

Download
memory/1440-77-0x0000000001DD0000-0x0000000001E60000-memory.dmp

Filesize
576KB

Download
memory/1440-73-0x00000000009B0000-0x00000000009C4000-memory.dmp

Filesize
80KB

Download
memory/1440-75-0x0000000002270000-0x0000000002573000-memory.dmp

Filesize
3.0MB

Download
memory/1440-74-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1440-72-0x0000000075B31000-0x0000000075B33000-memory.dmp

Filesize
8KB

Download
memory/1440-71-0x0000000000000000-mapping.dmp

Download
memory/1620-76-0x0000000000000000-mapping.dmp

Download
memory/1860-65-0x0000000002010000-0x000000000203C000-memory.dmp

Filesize
176KB

Download
memory/1860-60-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/1860-64-0x0000000004CA0000-0x0000000004CFC000-memory.dmp

Filesize
368KB

Download
memory/1860-63-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1860-62-0x0000000004400000-0x0000000004401000-memory.dmp

Filesize
4KB

Download
memory/1880-68-0x0000000000A00000-0x0000000000D03000-memory.dmp

Filesize
3.0MB

Download
memory/1880-69-0x0000000000390000-0x00000000003A1000-memory.dmp

Filesize
68KB

Download
memory/1880-67-0x000000000041D430-mapping.dmp

Download
memory/1880-66-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads