xloader | e43ea25592b2793c140a8811afd58bb5bfbc1806d40c53af86944ed145ee3f14

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/524-62-0x000000000041D4B0-mapping.dmp	xloader
behavioral1/memory/524-63-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader
behavioral1/memory/524-68-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader
behavioral1/memory/1396-74-0x0000000000110000-0x0000000000139000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

Payment-402.exeaspnet_regbrowsers.execontrol.exe

description	pid	process	target process
PID 1528 set thread context of 524	1528	Payment-402.exe	aspnet_regbrowsers.exe
PID 524 set thread context of 1200	524	aspnet_regbrowsers.exe	Explorer.EXE
PID 524 set thread context of 1200	524	aspnet_regbrowsers.exe	Explorer.EXE
PID 1396 set thread context of 1200	1396	control.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

aspnet_regbrowsers.execontrol.exe

pid	process
524	aspnet_regbrowsers.exe
524	aspnet_regbrowsers.exe
524	aspnet_regbrowsers.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe
1396	control.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

aspnet_regbrowsers.execontrol.exe

pid process

524 aspnet_regbrowsers.exe
524 aspnet_regbrowsers.exe
524 aspnet_regbrowsers.exe
524 aspnet_regbrowsers.exe
1396 control.exe
1396 control.exe

pid	process
1200	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Payment-402.exeaspnet_regbrowsers.execontrol.exe

description	pid	process
Token: SeDebugPrivilege	1528	Payment-402.exe
Token: SeDebugPrivilege	524	aspnet_regbrowsers.exe
Token: SeDebugPrivilege	1396	control.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE

pid	process
1200	Explorer.EXE
1200	Explorer.EXE

pid	process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Payment-402.exeaspnet_regbrowsers.execontrol.exe

description	pid	process	target process
PID 1528 wrote to memory of 524	1528	Payment-402.exe	aspnet_regbrowsers.exe
PID 1528 wrote to memory of 524	1528	Payment-402.exe	aspnet_regbrowsers.exe
PID 1528 wrote to memory of 524	1528	Payment-402.exe	aspnet_regbrowsers.exe
PID 1528 wrote to memory of 524	1528	Payment-402.exe	aspnet_regbrowsers.exe
PID 1528 wrote to memory of 524	1528	Payment-402.exe	aspnet_regbrowsers.exe
PID 1528 wrote to memory of 524	1528	Payment-402.exe	aspnet_regbrowsers.exe
PID 1528 wrote to memory of 524	1528	Payment-402.exe	aspnet_regbrowsers.exe
PID 524 wrote to memory of 1396	524	aspnet_regbrowsers.exe	control.exe
PID 524 wrote to memory of 1396	524	aspnet_regbrowsers.exe	control.exe
PID 524 wrote to memory of 1396	524	aspnet_regbrowsers.exe	control.exe
PID 524 wrote to memory of 1396	524	aspnet_regbrowsers.exe	control.exe
PID 1396 wrote to memory of 1788	1396	control.exe	cmd.exe
PID 1396 wrote to memory of 1788	1396	control.exe	cmd.exe
PID 1396 wrote to memory of 1788	1396	control.exe	cmd.exe
PID 1396 wrote to memory of 1788	1396	control.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1200

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:1528

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
- Suspicious use of WriteProcessMemory
PID:524

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1396

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"
5⤵
PID:1788

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/524-65-0x00000000008B0000-0x0000000000BB3000-memory.dmp

Filesize
3.0MB

Download
memory/524-69-0x0000000000290000-0x00000000002A1000-memory.dmp

Filesize
68KB

Download
memory/524-68-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/524-66-0x00000000001C0000-0x00000000001D1000-memory.dmp

Filesize
68KB

Download
memory/524-59-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/524-60-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/524-62-0x000000000041D4B0-mapping.dmp

Download
memory/524-63-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1200-67-0x00000000077C0000-0x000000000793E000-memory.dmp

Filesize
1.5MB

Download
memory/1200-70-0x0000000004D80000-0x0000000004E5F000-memory.dmp

Filesize
892KB

Download
memory/1200-78-0x0000000004E60000-0x0000000004FBB000-memory.dmp

Filesize
1.4MB

Download
memory/1396-75-0x00000000021E0000-0x00000000024E3000-memory.dmp

Filesize
3.0MB

Download
memory/1396-71-0x0000000000000000-mapping.dmp

Download
memory/1396-72-0x00000000769D1000-0x00000000769D3000-memory.dmp

Filesize
8KB

Download
memory/1396-74-0x0000000000110000-0x0000000000139000-memory.dmp

Filesize
164KB

Download
memory/1396-73-0x0000000000DC0000-0x0000000000DDF000-memory.dmp

Filesize
124KB

Download
memory/1396-77-0x0000000000840000-0x00000000008D0000-memory.dmp

Filesize
576KB

Download
memory/1528-56-0x0000000000DD0000-0x0000000000EFE000-memory.dmp

Filesize
1.2MB

Download
memory/1528-57-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

Filesize
4KB

Download
memory/1528-58-0x00000000003D0000-0x00000000003E4000-memory.dmp

Filesize
80KB

Download
memory/1528-55-0x0000000000DD0000-0x0000000000EFE000-memory.dmp

Filesize
1.2MB

Download
memory/1788-76-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads