xloader | e9c4d23961ba5085288212f493fd784d10234d72e706a0488bf7c7294ba0de20

General

Target

AQ002631-SKY-TH-T512 RS485 10PCS.exe
Size

1.3MB
MD5

c7da9990b784a040d1f79389073e225f
SHA1

d0860b0ce64637b4fe324d4d6f7e2ad385c62fcc
SHA256

e9c4d23961ba5085288212f493fd784d10234d72e706a0488bf7c7294ba0de20
SHA512

99a6362a0abbcd5463eb4369fd4355bdc1dfc82c5397969e2a71dc1b37f56b40126d3d3d4fdc65c8e5212ad0106f1574761ff8efc70b30c8369f8b98cec8b2f1

Score

10^/10

xloader be3s loader persistence rat suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

be3s

Decoy

aoxaswa.info

souplab-graphic.com

churchontheisland.com

spclassic-cars.com

stanford-edu.club

heydowm.online

chattanooga-electricians.com

sectsk.com

cxg98.com

buildafricaonline.net

buydogcoin.com

vsst247.com

lodgelastrancas.com

ainonaho.com

griousndwarehsftyfs.xyz

voltagestabilizersupply.com

xn--79q565dzfex9hg81b.com

isrvr-ccrforum.info

chitiandi.com

criticaldisco.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 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1588-75-0x000000000041F320-mapping.dmp	xloader
behavioral1/memory/1588-74-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1588-85-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1588-90-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/832-94-0x0000000000080000-0x00000000000AB000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\GBCPJFBP = "C:\\Program Files (x86)\\O3fz\\Cookiesmtqpdx6h.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1828 cmd.exe

pid	process
1828	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

AQ002631-SKY-TH-T512 RS485 10PCS.exeAQ002631-SKY-TH-T512 RS485 10PCS.exesvchost.exe

description	pid	process	target process
PID 1644 set thread context of 1588	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1588 set thread context of 1268	1588	AQ002631-SKY-TH-T512 RS485 10PCS.exe	Explorer.EXE
PID 1588 set thread context of 1268	1588	AQ002631-SKY-TH-T512 RS485 10PCS.exe	Explorer.EXE
PID 832 set thread context of 1268	832	svchost.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

svchost.exe

description ioc process

File opened for modification C:\Program Files (x86)\O3fz\Cookiesmtqpdx6h.exe svchost.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\O3fz\Cookiesmtqpdx6h.exe	svchost.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	svchost.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

AQ002631-SKY-TH-T512 RS485 10PCS.exeAQ002631-SKY-TH-T512 RS485 10PCS.exesvchost.exe

pid	process
1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe
1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe
1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe
1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe
1588	AQ002631-SKY-TH-T512 RS485 10PCS.exe
1588	AQ002631-SKY-TH-T512 RS485 10PCS.exe
1588	AQ002631-SKY-TH-T512 RS485 10PCS.exe
832	svchost.exe
832	svchost.exe
832	svchost.exe
832	svchost.exe
832	svchost.exe
832	svchost.exe
832	svchost.exe
832	svchost.exe
832	svchost.exe
832	svchost.exe
832	svchost.exe
832	svchost.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

AQ002631-SKY-TH-T512 RS485 10PCS.exesvchost.exe

pid	process
1588	AQ002631-SKY-TH-T512 RS485 10PCS.exe
1588	AQ002631-SKY-TH-T512 RS485 10PCS.exe
1588	AQ002631-SKY-TH-T512 RS485 10PCS.exe
1588	AQ002631-SKY-TH-T512 RS485 10PCS.exe
832	svchost.exe
832	svchost.exe
832	svchost.exe
832	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

AQ002631-SKY-TH-T512 RS485 10PCS.exeAQ002631-SKY-TH-T512 RS485 10PCS.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe
Token: SeDebugPrivilege	1588	AQ002631-SKY-TH-T512 RS485 10PCS.exe
Token: SeDebugPrivilege	832	svchost.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

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

AQ002631-SKY-TH-T512 RS485 10PCS.exeExplorer.EXEsvchost.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\AQ002631-SKY-TH-T512 RS485 10PCS.exe
"C:\Users\Admin\AppData\Local\Temp\AQ002631-SKY-TH-T512 RS485 10PCS.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1644

C:\Users\Admin\AppData\Local\Temp\AQ002631-SKY-TH-T512 RS485 10PCS.exe
"C:\Users\Admin\AppData\Local\Temp\AQ002631-SKY-TH-T512 RS485 10PCS.exe"
3⤵
PID:1076

C:\Users\Admin\AppData\Local\Temp\AQ002631-SKY-TH-T512 RS485 10PCS.exe
"C:\Users\Admin\AppData\Local\Temp\AQ002631-SKY-TH-T512 RS485 10PCS.exe"
3⤵
PID:612

C:\Users\Admin\AppData\Local\Temp\AQ002631-SKY-TH-T512 RS485 10PCS.exe
"C:\Users\Admin\AppData\Local\Temp\AQ002631-SKY-TH-T512 RS485 10PCS.exe"
3⤵
PID:1208

C:\Users\Admin\AppData\Local\Temp\AQ002631-SKY-TH-T512 RS485 10PCS.exe
"C:\Users\Admin\AppData\Local\Temp\AQ002631-SKY-TH-T512 RS485 10PCS.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1588

C:\Users\Admin\AppData\Local\Temp\AQ002631-SKY-TH-T512 RS485 10PCS.exe
"C:\Users\Admin\AppData\Local\Temp\AQ002631-SKY-TH-T512 RS485 10PCS.exe"
3⤵
PID:1348

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:832

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\AQ002631-SKY-TH-T512 RS485 10PCS.exe"
3⤵
- Deletes itself
PID:1828

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1264

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

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/832-96-0x0000000000B50000-0x0000000000BE0000-memory.dmp

Filesize
576KB

Download
memory/832-94-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/832-93-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download
memory/832-92-0x0000000000DC0000-0x0000000000DC8000-memory.dmp

Filesize
32KB

Download
memory/832-89-0x0000000000000000-mapping.dmp

Download
memory/1268-84-0x0000000005F90000-0x00000000060CB000-memory.dmp

Filesize
1.2MB

Download
memory/1268-98-0x00000000060D0000-0x0000000006191000-memory.dmp

Filesize
772KB

Download
memory/1268-97-0x00000000060D0000-0x0000000006191000-memory.dmp

Filesize
772KB

Download
memory/1268-88-0x0000000004130000-0x00000000041FC000-memory.dmp

Filesize
816KB

Download
memory/1588-87-0x00000000002E0000-0x00000000002F1000-memory.dmp

Filesize
68KB

Download
memory/1588-75-0x000000000041F320-mapping.dmp

Download
memory/1588-90-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1588-85-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1588-82-0x0000000000C20000-0x0000000000F23000-memory.dmp

Filesize
3.0MB

Download
memory/1588-83-0x00000000002A0000-0x00000000002B1000-memory.dmp

Filesize
68KB

Download
memory/1588-72-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1588-74-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1588-71-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1644-80-0x00000000715E0000-0x00000000722FD000-memory.dmp

Filesize
13.1MB

Download
memory/1644-63-0x00000000706C0000-0x0000000070DFE000-memory.dmp

Filesize
7.2MB

Download
memory/1644-69-0x00000000704E0000-0x00000000706B1000-memory.dmp

Filesize
1.8MB

Download
memory/1644-76-0x0000000072D10000-0x000000007409F000-memory.dmp

Filesize
19.6MB

Download
memory/1644-77-0x0000000072300000-0x0000000072D10000-memory.dmp

Filesize
10.1MB

Download
memory/1644-78-0x0000000074970000-0x0000000074B04000-memory.dmp

Filesize
1.6MB

Download
memory/1644-64-0x0000000072D10000-0x000000007409F000-memory.dmp

Filesize
19.6MB

Download
memory/1644-81-0x0000000070280000-0x00000000703A3000-memory.dmp

Filesize
1.1MB

Download
memory/1644-68-0x0000000005160000-0x00000000051EE000-memory.dmp

Filesize
568KB

Download
memory/1644-67-0x00000000715E0000-0x00000000722FD000-memory.dmp

Filesize
13.1MB

Download
memory/1644-66-0x0000000074970000-0x0000000074B04000-memory.dmp

Filesize
1.6MB

Download
memory/1644-70-0x0000000004630000-0x0000000004662000-memory.dmp

Filesize
200KB

Download
memory/1644-54-0x00000000000F0000-0x0000000000248000-memory.dmp

Filesize
1.3MB

Download
memory/1644-62-0x0000000074870000-0x000000007496C000-memory.dmp

Filesize
1008KB

Download
memory/1644-61-0x0000000070E00000-0x00000000715E0000-memory.dmp

Filesize
7.9MB

Download
memory/1644-65-0x0000000072300000-0x0000000072D10000-memory.dmp

Filesize
10.1MB

Download
memory/1644-55-0x00000000769D1000-0x00000000769D3000-memory.dmp

Filesize
8KB

Download
memory/1644-60-0x0000000000680000-0x0000000000696000-memory.dmp

Filesize
88KB

Download
memory/1644-59-0x00000000715E0000-0x00000000722FD000-memory.dmp

Filesize
13.1MB

Download
memory/1644-58-0x0000000074970000-0x0000000074B04000-memory.dmp

Filesize
1.6MB

Download
memory/1644-57-0x0000000072300000-0x0000000072D10000-memory.dmp

Filesize
10.1MB

Download
memory/1644-56-0x0000000072D10000-0x000000007409F000-memory.dmp

Filesize
19.6MB

Download
memory/1828-91-0x0000000000000000-mapping.dmp

Download

description	pid	process	target process
PID 1644 wrote to memory of 1076	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1076	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1076	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1076	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 612	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 612	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 612	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 612	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1208	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1208	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1208	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1208	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1348	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1348	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1348	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1348	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1588	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1588	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1588	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1588	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1588	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1588	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1644 wrote to memory of 1588	1644	AQ002631-SKY-TH-T512 RS485 10PCS.exe	AQ002631-SKY-TH-T512 RS485 10PCS.exe
PID 1268 wrote to memory of 832	1268	Explorer.EXE	svchost.exe
PID 1268 wrote to memory of 832	1268	Explorer.EXE	svchost.exe
PID 1268 wrote to memory of 832	1268	Explorer.EXE	svchost.exe
PID 1268 wrote to memory of 832	1268	Explorer.EXE	svchost.exe
PID 832 wrote to memory of 1828	832	svchost.exe	cmd.exe
PID 832 wrote to memory of 1828	832	svchost.exe	cmd.exe
PID 832 wrote to memory of 1828	832	svchost.exe	cmd.exe
PID 832 wrote to memory of 1828	832	svchost.exe	cmd.exe
PID 832 wrote to memory of 1264	832	svchost.exe	Firefox.exe
PID 832 wrote to memory of 1264	832	svchost.exe	Firefox.exe
PID 832 wrote to memory of 1264	832	svchost.exe	Firefox.exe
PID 832 wrote to memory of 1264	832	svchost.exe	Firefox.exe
PID 832 wrote to memory of 1264	832	svchost.exe	Firefox.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads