xloader | cd6a10ed726c2145da602a3f1de512a141fdb488be039ac0cb8b9eabf45b5775

General

Target

IMG-78293792.exe
Size

356KB
MD5

cb94f8bf4453d77ed35b4cccad18260c
SHA1

aeacb009addb2152c05a34537f565e66b32b25d2
SHA256

a39d6226eed5913f2f1d77991f011a386453d095689f85eb0ca14aac1d983466
SHA512

7fb17a554481d5ff6c28edd4ee43b9306a8e59ac9f992a2b6d243b2d88eb9daa997bbf5be962f331c6ec282b15e4e67107c233691a6b05d317957072754f4135

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/744-61-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1868-67-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1320 cmd.exe

pid	process
1320	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

IMG-78293792.exeIMG-78293792.exechkdsk.exe

description	pid	process	target process
PID 1592 set thread context of 744	1592	IMG-78293792.exe	IMG-78293792.exe
PID 744 set thread context of 1208	744	IMG-78293792.exe	Explorer.EXE
PID 1868 set thread context of 1208	1868	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

IMG-78293792.exechkdsk.exe

pid	process
744	IMG-78293792.exe
744	IMG-78293792.exe
1868	chkdsk.exe
1868	chkdsk.exe
1868	chkdsk.exe
1868	chkdsk.exe
1868	chkdsk.exe
1868	chkdsk.exe
1868	chkdsk.exe
1868	chkdsk.exe
1868	chkdsk.exe
1868	chkdsk.exe
1868	chkdsk.exe
1868	chkdsk.exe
1868	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

IMG-78293792.exechkdsk.exe

pid process

744 IMG-78293792.exe
744 IMG-78293792.exe
744 IMG-78293792.exe
1868 chkdsk.exe
1868 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

IMG-78293792.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 744 IMG-78293792.exe
Token: SeDebugPrivilege 1868 chkdsk.exe

description	pid	process
Token: SeDebugPrivilege	744	IMG-78293792.exe
Token: SeDebugPrivilege	1868	chkdsk.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

IMG-78293792.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1592 wrote to memory of 744	1592	IMG-78293792.exe	IMG-78293792.exe
PID 1592 wrote to memory of 744	1592	IMG-78293792.exe	IMG-78293792.exe
PID 1592 wrote to memory of 744	1592	IMG-78293792.exe	IMG-78293792.exe
PID 1592 wrote to memory of 744	1592	IMG-78293792.exe	IMG-78293792.exe
PID 1592 wrote to memory of 744	1592	IMG-78293792.exe	IMG-78293792.exe
PID 1592 wrote to memory of 744	1592	IMG-78293792.exe	IMG-78293792.exe
PID 1592 wrote to memory of 744	1592	IMG-78293792.exe	IMG-78293792.exe
PID 1592 wrote to memory of 744	1592	IMG-78293792.exe	IMG-78293792.exe
PID 1592 wrote to memory of 744	1592	IMG-78293792.exe	IMG-78293792.exe
PID 1592 wrote to memory of 744	1592	IMG-78293792.exe	IMG-78293792.exe
PID 1208 wrote to memory of 1868	1208	Explorer.EXE	chkdsk.exe
PID 1208 wrote to memory of 1868	1208	Explorer.EXE	chkdsk.exe
PID 1208 wrote to memory of 1868	1208	Explorer.EXE	chkdsk.exe
PID 1208 wrote to memory of 1868	1208	Explorer.EXE	chkdsk.exe
PID 1868 wrote to memory of 1320	1868	chkdsk.exe	cmd.exe
PID 1868 wrote to memory of 1320	1868	chkdsk.exe	cmd.exe
PID 1868 wrote to memory of 1320	1868	chkdsk.exe	cmd.exe
PID 1868 wrote to memory of 1320	1868	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208

C:\Users\Admin\AppData\Local\Temp\IMG-78293792.exe
"C:\Users\Admin\AppData\Local\Temp\IMG-78293792.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1592

C:\Users\Admin\AppData\Local\Temp\IMG-78293792.exe
"C:\Users\Admin\AppData\Local\Temp\IMG-78293792.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:744

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1868

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\IMG-78293792.exe"
3⤵
- Deletes itself
PID:1320

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/744-64-0x00000000001D0000-0x00000000001E1000-memory.dmp

Filesize
68KB

Download
memory/744-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/744-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/744-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/744-63-0x00000000007F0000-0x0000000000BF3000-memory.dmp

Filesize
4.0MB

Download
memory/1208-65-0x0000000006070000-0x00000000061B2000-memory.dmp

Filesize
1.3MB

Download
memory/1592-55-0x0000000076151000-0x0000000076153000-memory.dmp

Filesize
8KB

Download
memory/1592-58-0x0000000004AA0000-0x0000000004AFE000-memory.dmp

Filesize
376KB

Download
memory/1592-57-0x0000000000410000-0x0000000000420000-memory.dmp

Filesize
64KB

Download
memory/1592-54-0x0000000000E20000-0x0000000000E80000-memory.dmp

Filesize
384KB

Download
memory/1592-56-0x0000000005010000-0x0000000005011000-memory.dmp

Filesize
4KB

Download
memory/1868-67-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1868-66-0x0000000000850000-0x0000000000857000-memory.dmp

Filesize
28KB

Download
memory/1868-68-0x00000000020C0000-0x00000000023C3000-memory.dmp

Filesize
3.0MB

Download
memory/1868-69-0x00000000003E0000-0x0000000000470000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads