xloader | 5accccfe8695d78110cc9c27d79d56ac280879a0d874bb46c42c2a8baf7fe972

General

Target

D3ccF8FfwAXrqsU.exe
Size

1.3MB
MD5

e1c803b57cb1c949b037251a3dbf7d7d
SHA1

efeaac6997f56acb90ed2d28bbcb66929b2002a8
SHA256

5accccfe8695d78110cc9c27d79d56ac280879a0d874bb46c42c2a8baf7fe972
SHA512

fa6a275fc96ff89570b0186a43a3ffddb4a8af49fe50a8cd8698088713fb66764721f7e2cd5d2fce7345fb07b9a68c6a5df89980228ce20a3056b74ec52b909e

Score

10^/10

xloader loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.designsbynandini.com/fznn/

Decoy

petmarketsolutions.com

themummymarketplace.com

themidnightcollectivepdx.com

detoxshake.site

ross76.com

tom-tours2020.com

domoservis.com

allcombuildingsvc.com

padelshop.online

wosaying.com

heafg.com

inglesbrasileiro.com

santaclausonline.net

voiceofmagic.com

lafayettelc.com

communal-sleeve.net

extremecouponing.online

mypomate.com

rtdrillbit.com

therealtortaylor.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral2/memory/2208-122-0x0000000001AD0000-0x0000000001ADB000-memory.dmp	CustAttr

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3536-125-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/3536-126-0x000000000041D040-mapping.dmp	xloader
behavioral2/memory/3408-133-0x00000000045A0000-0x00000000045C8000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

D3ccF8FfwAXrqsU.exeD3ccF8FfwAXrqsU.exechkdsk.exe

description	pid	process	target process
PID 2208 set thread context of 3536	2208	D3ccF8FfwAXrqsU.exe	D3ccF8FfwAXrqsU.exe
PID 3536 set thread context of 3048	3536	D3ccF8FfwAXrqsU.exe	Explorer.EXE
PID 3408 set thread context of 3048	3408	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 45 IoCs

Processes:

D3ccF8FfwAXrqsU.exeD3ccF8FfwAXrqsU.exechkdsk.exe

pid	process
2208	D3ccF8FfwAXrqsU.exe
3536	D3ccF8FfwAXrqsU.exe
3536	D3ccF8FfwAXrqsU.exe
3536	D3ccF8FfwAXrqsU.exe
3536	D3ccF8FfwAXrqsU.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe
3408	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3048 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

D3ccF8FfwAXrqsU.exechkdsk.exe

pid process

3536 D3ccF8FfwAXrqsU.exe
3536 D3ccF8FfwAXrqsU.exe
3536 D3ccF8FfwAXrqsU.exe
3408 chkdsk.exe
3408 chkdsk.exe

pid	process
3048	Explorer.EXE

pid	process
3536	D3ccF8FfwAXrqsU.exe
3536	D3ccF8FfwAXrqsU.exe
3536	D3ccF8FfwAXrqsU.exe
3408	chkdsk.exe
3408	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

D3ccF8FfwAXrqsU.exeD3ccF8FfwAXrqsU.exechkdsk.exe

description	pid	process
Token: SeDebugPrivilege	2208	D3ccF8FfwAXrqsU.exe
Token: SeDebugPrivilege	3536	D3ccF8FfwAXrqsU.exe
Token: SeDebugPrivilege	3408	chkdsk.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

D3ccF8FfwAXrqsU.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 2208 wrote to memory of 3536	2208	D3ccF8FfwAXrqsU.exe	D3ccF8FfwAXrqsU.exe
PID 2208 wrote to memory of 3536	2208	D3ccF8FfwAXrqsU.exe	D3ccF8FfwAXrqsU.exe
PID 2208 wrote to memory of 3536	2208	D3ccF8FfwAXrqsU.exe	D3ccF8FfwAXrqsU.exe
PID 2208 wrote to memory of 3536	2208	D3ccF8FfwAXrqsU.exe	D3ccF8FfwAXrqsU.exe
PID 2208 wrote to memory of 3536	2208	D3ccF8FfwAXrqsU.exe	D3ccF8FfwAXrqsU.exe
PID 2208 wrote to memory of 3536	2208	D3ccF8FfwAXrqsU.exe	D3ccF8FfwAXrqsU.exe
PID 3048 wrote to memory of 3408	3048	Explorer.EXE	chkdsk.exe
PID 3048 wrote to memory of 3408	3048	Explorer.EXE	chkdsk.exe
PID 3048 wrote to memory of 3408	3048	Explorer.EXE	chkdsk.exe
PID 3408 wrote to memory of 2140	3408	chkdsk.exe	cmd.exe
PID 3408 wrote to memory of 2140	3408	chkdsk.exe	cmd.exe
PID 3408 wrote to memory of 2140	3408	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3048

C:\Users\Admin\AppData\Local\Temp\D3ccF8FfwAXrqsU.exe
"C:\Users\Admin\AppData\Local\Temp\D3ccF8FfwAXrqsU.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2208

C:\Users\Admin\AppData\Local\Temp\D3ccF8FfwAXrqsU.exe
"C:\Users\Admin\AppData\Local\Temp\D3ccF8FfwAXrqsU.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3536

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:3408

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\D3ccF8FfwAXrqsU.exe"
3⤵
PID:2140

Network

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

Replay Monitor

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Downloads

memory/2140-131-0x0000000000000000-mapping.dmp

Download
memory/2208-121-0x0000000005A80000-0x0000000005F7E000-memory.dmp

Filesize
5.0MB

Download
memory/2208-117-0x0000000005F80000-0x0000000005F81000-memory.dmp

Filesize
4KB

Download
memory/2208-118-0x0000000005A80000-0x0000000005A81000-memory.dmp

Filesize
4KB

Download
memory/2208-119-0x00000000033B0000-0x00000000033B1000-memory.dmp

Filesize
4KB

Download
memory/2208-120-0x0000000005BB0000-0x0000000005BB1000-memory.dmp

Filesize
4KB

Download
memory/2208-122-0x0000000001AD0000-0x0000000001ADB000-memory.dmp

Filesize
44KB

Download
memory/2208-123-0x0000000006780000-0x00000000067F3000-memory.dmp

Filesize
460KB

Download
memory/2208-124-0x0000000006500000-0x000000000652E000-memory.dmp

Filesize
184KB

Download
memory/2208-116-0x0000000005910000-0x0000000005911000-memory.dmp

Filesize
4KB

Download
memory/2208-114-0x0000000000FA0000-0x0000000000FA1000-memory.dmp

Filesize
4KB

Download
memory/3048-129-0x0000000003090000-0x0000000003168000-memory.dmp

Filesize
864KB

Download
memory/3048-136-0x0000000006860000-0x00000000069C5000-memory.dmp

Filesize
1.4MB

Download
memory/3408-130-0x0000000000000000-mapping.dmp

Download
memory/3408-133-0x00000000045A0000-0x00000000045C8000-memory.dmp

Filesize
160KB

Download
memory/3408-132-0x00000000003C0000-0x00000000003CA000-memory.dmp

Filesize
40KB

Download
memory/3408-134-0x0000000004EE0000-0x0000000005200000-memory.dmp

Filesize
3.1MB

Download
memory/3408-135-0x0000000005200000-0x000000000528F000-memory.dmp

Filesize
572KB

Download
memory/3536-127-0x0000000001640000-0x0000000001960000-memory.dmp

Filesize
3.1MB

Download
memory/3536-128-0x00000000015A0000-0x00000000015B0000-memory.dmp

Filesize
64KB

Download
memory/3536-126-0x000000000041D040-mapping.dmp

Download
memory/3536-125-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads