xloader | 4d58c656b52ad9e501a74866dd2f0b2fd00ea4cd92013540edaa91f31f2159ae

General

Target

Payment-402.exe
Size

1.2MB
MD5

7f9d26535c38eee3561f2e7c214f9854
SHA1

80074b8467cb52e6c36d587e1571045bf93521b5
SHA256

4d58c656b52ad9e501a74866dd2f0b2fd00ea4cd92013540edaa91f31f2159ae
SHA512

97fab9b908fa0eaadfc971c3ff0b34e98a2ea3d33bc8a062f0f3b35631a0ca16d86b24935c6fb38a10d36675316a90500603ba4c88481b6bd058baf49958ca73

Score

10^/10

xloader c6si loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

c6si

Decoy

tristateinc.construction

americanscaregroundstexas.com

kanimisoshiru.com

wihling.com

fishcheekstosa.com

parentsfuid.com

greenstandmarket.com

fc8fla8kzq.com

gametwist-83.club

jobsncvs.com

directrealtysells.com

avida2015.com

conceptasite.net

arkaneattire.com

indev-mobility.info

2160centurypark412.com

valefloor.com

septembership.com

stackflix.com

jimc0sales.net

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/764-60-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/764-61-0x000000000041D4B0-mapping.dmp	xloader
behavioral1/memory/564-70-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

Payment-402.exeaspnet_regbrowsers.exeipconfig.exe

description	pid	process	target process
PID 1088 set thread context of 764	1088	Payment-402.exe	aspnet_regbrowsers.exe
PID 764 set thread context of 1248	764	aspnet_regbrowsers.exe	Explorer.EXE
PID 564 set thread context of 1248	564	ipconfig.exe	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

564 ipconfig.exe

pid	process
564	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

aspnet_regbrowsers.exeipconfig.exe

pid	process
764	aspnet_regbrowsers.exe
764	aspnet_regbrowsers.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe
564	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

aspnet_regbrowsers.exeipconfig.exe

pid process

764 aspnet_regbrowsers.exe
764 aspnet_regbrowsers.exe
764 aspnet_regbrowsers.exe
564 ipconfig.exe
564 ipconfig.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Payment-402.exeaspnet_regbrowsers.exeipconfig.exe

description	pid	process
Token: SeDebugPrivilege	1088	Payment-402.exe
Token: SeDebugPrivilege	764	aspnet_regbrowsers.exe
Token: SeDebugPrivilege	564	ipconfig.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
1248 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
1248 Explorer.EXE

pid	process
1248	Explorer.EXE
1248	Explorer.EXE

pid	process
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Payment-402.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 1088 wrote to memory of 764	1088	Payment-402.exe	aspnet_regbrowsers.exe
PID 1088 wrote to memory of 764	1088	Payment-402.exe	aspnet_regbrowsers.exe
PID 1088 wrote to memory of 764	1088	Payment-402.exe	aspnet_regbrowsers.exe
PID 1088 wrote to memory of 764	1088	Payment-402.exe	aspnet_regbrowsers.exe
PID 1088 wrote to memory of 764	1088	Payment-402.exe	aspnet_regbrowsers.exe
PID 1088 wrote to memory of 764	1088	Payment-402.exe	aspnet_regbrowsers.exe
PID 1088 wrote to memory of 764	1088	Payment-402.exe	aspnet_regbrowsers.exe
PID 1248 wrote to memory of 564	1248	Explorer.EXE	ipconfig.exe
PID 1248 wrote to memory of 564	1248	Explorer.EXE	ipconfig.exe
PID 1248 wrote to memory of 564	1248	Explorer.EXE	ipconfig.exe
PID 1248 wrote to memory of 564	1248	Explorer.EXE	ipconfig.exe
PID 564 wrote to memory of 1800	564	ipconfig.exe	cmd.exe
PID 564 wrote to memory of 1800	564	ipconfig.exe	cmd.exe
PID 564 wrote to memory of 1800	564	ipconfig.exe	cmd.exe
PID 564 wrote to memory of 1800	564	ipconfig.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:1248

C:\Users\Admin\AppData\Local\Temp\Payment-402.exe
"C:\Users\Admin\AppData\Local\Temp\Payment-402.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1088

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:764

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:564

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"
3⤵
PID:1800

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/564-66-0x0000000000000000-mapping.dmp

Download
memory/564-72-0x0000000001E00000-0x0000000001E90000-memory.dmp

Filesize
576KB

Download
memory/564-71-0x0000000001F90000-0x0000000002293000-memory.dmp

Filesize
3.0MB

Download
memory/564-70-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/564-69-0x00000000000C0000-0x00000000000CA000-memory.dmp

Filesize
40KB

Download
memory/564-67-0x0000000075341000-0x0000000075343000-memory.dmp

Filesize
8KB

Download
memory/764-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/764-61-0x000000000041D4B0-mapping.dmp

Download
memory/764-62-0x0000000000C40000-0x0000000000F43000-memory.dmp

Filesize
3.0MB

Download
memory/764-64-0x0000000000280000-0x0000000000291000-memory.dmp

Filesize
68KB

Download
memory/764-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/764-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1088-54-0x0000000001280000-0x00000000013AE000-memory.dmp

Filesize
1.2MB

Download
memory/1088-57-0x0000000000250000-0x0000000000264000-memory.dmp

Filesize
80KB

Download
memory/1088-56-0x00000000010C0000-0x00000000010C1000-memory.dmp

Filesize
4KB

Download
memory/1088-55-0x0000000001280000-0x00000000013AE000-memory.dmp

Filesize
1.2MB

Download
memory/1248-65-0x00000000061F0000-0x000000000632B000-memory.dmp

Filesize
1.2MB

Download
memory/1248-73-0x0000000004300000-0x00000000043F4000-memory.dmp

Filesize
976KB

Download
memory/1800-68-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads