xloader | 3e26cc02d70717e07a5fad9257773db1077896d5598cc2298849ca257157c04b

General

Target

SN011 Price Letter79753.exe
Size

1.2MB
MD5

ea148cf5de55a7490bd96798a77bb57f
SHA1

eb2a3c7bc48156d9f8970a01ba69793609d8777f
SHA256

3e26cc02d70717e07a5fad9257773db1077896d5598cc2298849ca257157c04b
SHA512

fa8c27b5a02769f3990a801f132cbadd8f40a7616dd6aad2c0713495ca3d4cc8979628c4dbbe53dbf13a979ae68bda9fd31b6889bcdf45364d4bbb0a016bf0eb

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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/528-60-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/540-67-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

SN011 Price Letter79753.exeaspnet_regbrowsers.exemstsc.exe

description	pid	process	target process
PID 780 set thread context of 528	780	SN011 Price Letter79753.exe	aspnet_regbrowsers.exe
PID 528 set thread context of 1400	528	aspnet_regbrowsers.exe	Explorer.EXE
PID 540 set thread context of 1400	540	mstsc.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

aspnet_regbrowsers.exemstsc.exe

pid	process
528	aspnet_regbrowsers.exe
528	aspnet_regbrowsers.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe
540	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1400 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

aspnet_regbrowsers.exemstsc.exe

pid process

528 aspnet_regbrowsers.exe
528 aspnet_regbrowsers.exe
528 aspnet_regbrowsers.exe
540 mstsc.exe
540 mstsc.exe

pid	process
1400	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

SN011 Price Letter79753.exeaspnet_regbrowsers.exemstsc.exe

description	pid	process
Token: SeDebugPrivilege	780	SN011 Price Letter79753.exe
Token: SeDebugPrivilege	528	aspnet_regbrowsers.exe
Token: SeDebugPrivilege	540	mstsc.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1400 Explorer.EXE
1400 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1400 Explorer.EXE
1400 Explorer.EXE

pid	process
1400	Explorer.EXE
1400	Explorer.EXE

pid	process
1400	Explorer.EXE
1400	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

SN011 Price Letter79753.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 780 wrote to memory of 528	780	SN011 Price Letter79753.exe	aspnet_regbrowsers.exe
PID 780 wrote to memory of 528	780	SN011 Price Letter79753.exe	aspnet_regbrowsers.exe
PID 780 wrote to memory of 528	780	SN011 Price Letter79753.exe	aspnet_regbrowsers.exe
PID 780 wrote to memory of 528	780	SN011 Price Letter79753.exe	aspnet_regbrowsers.exe
PID 780 wrote to memory of 528	780	SN011 Price Letter79753.exe	aspnet_regbrowsers.exe
PID 780 wrote to memory of 528	780	SN011 Price Letter79753.exe	aspnet_regbrowsers.exe
PID 780 wrote to memory of 528	780	SN011 Price Letter79753.exe	aspnet_regbrowsers.exe
PID 1400 wrote to memory of 540	1400	Explorer.EXE	mstsc.exe
PID 1400 wrote to memory of 540	1400	Explorer.EXE	mstsc.exe
PID 1400 wrote to memory of 540	1400	Explorer.EXE	mstsc.exe
PID 1400 wrote to memory of 540	1400	Explorer.EXE	mstsc.exe
PID 540 wrote to memory of 676	540	mstsc.exe	cmd.exe
PID 540 wrote to memory of 676	540	mstsc.exe	cmd.exe
PID 540 wrote to memory of 676	540	mstsc.exe	cmd.exe
PID 540 wrote to memory of 676	540	mstsc.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1400

C:\Users\Admin\AppData\Local\Temp\SN011 Price Letter79753.exe
"C:\Users\Admin\AppData\Local\Temp\SN011 Price Letter79753.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:780

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:528

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:540

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"
3⤵
PID:676

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/528-62-0x0000000000880000-0x0000000000B83000-memory.dmp

Filesize
3.0MB

Download
memory/528-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/528-63-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/528-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/528-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/540-66-0x0000000000680000-0x0000000000784000-memory.dmp

Filesize
1.0MB

Download
memory/540-65-0x0000000076B81000-0x0000000076B83000-memory.dmp

Filesize
8KB

Download
memory/540-67-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/540-68-0x0000000002040000-0x0000000002343000-memory.dmp

Filesize
3.0MB

Download
memory/540-69-0x00000000005E0000-0x0000000000670000-memory.dmp

Filesize
576KB

Download
memory/780-55-0x0000000000C90000-0x0000000000C91000-memory.dmp

Filesize
4KB

Download
memory/780-54-0x0000000000F00000-0x000000000102E000-memory.dmp

Filesize
1.2MB

Download
memory/780-56-0x00000000005D0000-0x00000000005E4000-memory.dmp

Filesize
80KB

Download
memory/1400-64-0x0000000004D30000-0x0000000004E17000-memory.dmp

Filesize
924KB

Download
memory/1400-70-0x00000000071E0000-0x0000000007326000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads