xloader | a3b44997bc49506912360e2dfbcf708a400c555efd6841246e499a83ebf12232

General

Target

B1o.exe
Size

614KB
MD5

5e3dc4e700d55cb8232bdbeade8ca8ad
SHA1

8a4c46e292dafb7db736c03f784a997b6dece9aa
SHA256

00aa65bb6c94d28f04933ebc90a56bf75d62ac3cd246afa1ef60d671a40ee978
SHA512

6b1d6e010c303ea7663f33d82255eea9f0c0c2b941301788b3e811138c1f08021b922e4a63426b2f3deb00d5b36e4d2eed3ea640a7562998836b87e2bfa02cf9

Score

10^/10

xloader chg loader persistence rat spyware stealer

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

chg

C2

http://www.chiaketo.com/chg/

Decoy

worldvaypg.com

cremationprosguiding.info

counterpub.com

steamed-chicken.com

bethhavencemetery.com

wanda12.com

thejdot.com

juliusbuckley.com

realloveawaitsnow.com

healthandenergyadvisors.com

stockholmfasadputs.com

uvsafetysolutions.com

mamucosmetic.com

konoozalyemen.com

grillschalen.com

zljmys.com

paradseautos.com

home360.asia

domentemenegi37.com

farazahmadosama.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1400-62-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/1400-64-0x000000000041D030-mapping.dmp	xloader
behavioral1/memory/1656-70-0x0000000000080000-0x00000000000A8000-memory.dmp	xloader

Blocklisted process makes network request 10 IoCs

Processes:

cmd.exe

flow pid process

18 1656 cmd.exe
22 1656 cmd.exe
29 1656 cmd.exe
30 1656 cmd.exe
52 1656 cmd.exe
55 1656 cmd.exe
56 1656 cmd.exe
71 1656 cmd.exe
73 1656 cmd.exe
74 1656 cmd.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

flow	pid	process
18	1656	cmd.exe
22	1656	cmd.exe
29	1656	cmd.exe
30	1656	cmd.exe
52	1656	cmd.exe
55	1656	cmd.exe
56	1656	cmd.exe
71	1656	cmd.exe
73	1656	cmd.exe
74	1656	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

B1o.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Yjvkalu = "C:\\Users\\Public\\Libraries\\ulakvjY.url"	B1o.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

B1o.exeB1o.execmd.exe

description	pid	process	target process
PID 1652 set thread context of 1400	1652	B1o.exe	B1o.exe
PID 1400 set thread context of 1208	1400	B1o.exe	Explorer.EXE
PID 1656 set thread context of 1208	1656	cmd.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmd.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2455352368-1077083310-2879168483-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

B1o.execmd.exe

pid	process
1400	B1o.exe
1400	B1o.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe
1656	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

B1o.execmd.exe

pid process

1400 B1o.exe
1400 B1o.exe
1400 B1o.exe
1656 cmd.exe
1656 cmd.exe
1656 cmd.exe
1656 cmd.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

B1o.execmd.exeExplorer.EXE

description pid process

Token: SeDebugPrivilege 1400 B1o.exe
Token: SeDebugPrivilege 1656 cmd.exe
Token: SeShutdownPrivilege 1208 Explorer.EXE
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE

pid	process
1208	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1400	B1o.exe
Token: SeDebugPrivilege	1656	cmd.exe
Token: SeShutdownPrivilege	1208	Explorer.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

B1o.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 1652 wrote to memory of 1400	1652	B1o.exe	B1o.exe
PID 1652 wrote to memory of 1400	1652	B1o.exe	B1o.exe
PID 1652 wrote to memory of 1400	1652	B1o.exe	B1o.exe
PID 1652 wrote to memory of 1400	1652	B1o.exe	B1o.exe
PID 1652 wrote to memory of 1400	1652	B1o.exe	B1o.exe
PID 1652 wrote to memory of 1400	1652	B1o.exe	B1o.exe
PID 1652 wrote to memory of 1400	1652	B1o.exe	B1o.exe
PID 1208 wrote to memory of 1656	1208	Explorer.EXE	cmd.exe
PID 1208 wrote to memory of 1656	1208	Explorer.EXE	cmd.exe
PID 1208 wrote to memory of 1656	1208	Explorer.EXE	cmd.exe
PID 1208 wrote to memory of 1656	1208	Explorer.EXE	cmd.exe
PID 1656 wrote to memory of 1256	1656	cmd.exe	Firefox.exe
PID 1656 wrote to memory of 1256	1656	cmd.exe	Firefox.exe
PID 1656 wrote to memory of 1256	1656	cmd.exe	Firefox.exe
PID 1656 wrote to memory of 1256	1656	cmd.exe	Firefox.exe
PID 1656 wrote to memory of 1256	1656	cmd.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1208

C:\Users\Admin\AppData\Local\Temp\B1o.exe
"C:\Users\Admin\AppData\Local\Temp\B1o.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1652

C:\Users\Admin\AppData\Local\Temp\B1o.exe
"C:\Users\Admin\AppData\Local\Temp\B1o.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1400

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\SysWOW64\cmd.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1256

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/1208-67-0x0000000007340000-0x00000000074B7000-memory.dmp

Filesize
1.5MB

Download
memory/1208-73-0x00000000074C0000-0x00000000075EF000-memory.dmp

Filesize
1.2MB

Download
memory/1256-77-0x00000000023F0000-0x0000000002542000-memory.dmp

Filesize
1.3MB

Download
memory/1256-76-0x000000013F650000-0x000000013F6E3000-memory.dmp

Filesize
588KB

Download
memory/1256-75-0x0000000000000000-mapping.dmp

Download
memory/1400-65-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/1400-66-0x0000000000290000-0x00000000002A0000-memory.dmp

Filesize
64KB

Download
memory/1400-64-0x000000000041D030-mapping.dmp

Download
memory/1400-62-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1652-60-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1652-61-0x0000000076641000-0x0000000076643000-memory.dmp

Filesize
8KB

Download
memory/1656-68-0x0000000000000000-mapping.dmp

Download
memory/1656-69-0x000000004ACB0000-0x000000004ACFC000-memory.dmp

Filesize
304KB

Download
memory/1656-70-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/1656-71-0x00000000020A0000-0x00000000023A3000-memory.dmp

Filesize
3.0MB

Download
memory/1656-72-0x0000000001DD0000-0x0000000001E5F000-memory.dmp

Filesize
572KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads