xloader | 144fc8c1a922dbb8162d72a94780f8559bbd9e6b1faa9e037fd33e809126b080

General

Target

PO-003785GMHN.exe
Size

985KB
MD5

4577c41fc896a87df4513f13d29ee65a
SHA1

38e76942a779e8b04cdf763cf993ceda76d049f2
SHA256

144fc8c1a922dbb8162d72a94780f8559bbd9e6b1faa9e037fd33e809126b080
SHA512

dbd15ae87202593f80daf6563bd7ef8bb9be154c7c1995ca6c127c7bfa8e8fb1eb5d9c075d887ef8a893fa64ddb72402e11da3c7f57aeda276ee4fc3c50f21af

Score

10^/10

xloader 8iwd loader persistence rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

8iwd

C2

http://www.serpascarnes.com/8iwd/

Decoy

openhousedigitale.com

helpindia.store

josiahspicer.com

wydancer.com

athinatoday.com

asiapartnerspoint.com

freemakechefsrecipes.com

metrolistingsservices.com

assarytagged.quest

ververevival.com

cjdue.com

iqmetaverse.com

sh-spgdk.com

spacecitybeauty.com

phasmatoidea.com

yz1866.com

tenlog009.xyz

gameprizes.xyz

415know.com

virus-jestock.com

Signatures

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

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/576-56-0x0000000000000000-mapping.dmp	xloader
behavioral1/memory/576-68-0x0000000050480000-0x00000000504A9000-memory.dmp	xloader

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO-003785GMHN.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\Udffvxu = "C:\\Users\\Public\\Libraries\\uxvffdU.url"	PO-003785GMHN.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1660 576 WerFault.exe mobsync.exe
Modifies registry key 1 TTPs 3 IoCs

Modify Registry
T1112

Processes:

reg.exereg.exereg.exe

pid process

1156 reg.exe
1452 reg.exe
1124 reg.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

WerFault.exe

pid process

1660 WerFault.exe
1660 WerFault.exe
1660 WerFault.exe
1660 WerFault.exe
1660 WerFault.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1660 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1660 WerFault.exe

pid	pid_target	process	target process
1660	576	WerFault.exe	mobsync.exe

pid	process
1156	reg.exe
1452	reg.exe
1124	reg.exe

pid	process
1660	WerFault.exe
1660	WerFault.exe
1660	WerFault.exe
1660	WerFault.exe
1660	WerFault.exe

pid	process
1660	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1660	WerFault.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

PO-003785GMHN.exemobsync.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1080 wrote to memory of 576	1080	PO-003785GMHN.exe	mobsync.exe
PID 1080 wrote to memory of 576	1080	PO-003785GMHN.exe	mobsync.exe
PID 1080 wrote to memory of 576	1080	PO-003785GMHN.exe	mobsync.exe
PID 1080 wrote to memory of 576	1080	PO-003785GMHN.exe	mobsync.exe
PID 1080 wrote to memory of 576	1080	PO-003785GMHN.exe	mobsync.exe
PID 1080 wrote to memory of 576	1080	PO-003785GMHN.exe	mobsync.exe
PID 1080 wrote to memory of 576	1080	PO-003785GMHN.exe	mobsync.exe
PID 1080 wrote to memory of 1444	1080	PO-003785GMHN.exe	cmd.exe
PID 1080 wrote to memory of 1444	1080	PO-003785GMHN.exe	cmd.exe
PID 1080 wrote to memory of 1444	1080	PO-003785GMHN.exe	cmd.exe
PID 1080 wrote to memory of 1444	1080	PO-003785GMHN.exe	cmd.exe
PID 576 wrote to memory of 1660	576	mobsync.exe	WerFault.exe
PID 576 wrote to memory of 1660	576	mobsync.exe	WerFault.exe
PID 576 wrote to memory of 1660	576	mobsync.exe	WerFault.exe
PID 576 wrote to memory of 1660	576	mobsync.exe	WerFault.exe
PID 1444 wrote to memory of 568	1444	cmd.exe	cmd.exe
PID 1444 wrote to memory of 568	1444	cmd.exe	cmd.exe
PID 1444 wrote to memory of 568	1444	cmd.exe	cmd.exe
PID 1444 wrote to memory of 568	1444	cmd.exe	cmd.exe
PID 568 wrote to memory of 1124	568	cmd.exe	reg.exe
PID 568 wrote to memory of 1124	568	cmd.exe	reg.exe
PID 568 wrote to memory of 1124	568	cmd.exe	reg.exe
PID 568 wrote to memory of 1124	568	cmd.exe	reg.exe
PID 568 wrote to memory of 1156	568	cmd.exe	reg.exe
PID 568 wrote to memory of 1156	568	cmd.exe	reg.exe
PID 568 wrote to memory of 1156	568	cmd.exe	reg.exe
PID 568 wrote to memory of 1156	568	cmd.exe	reg.exe
PID 568 wrote to memory of 1072	568	cmd.exe	schtasks.exe
PID 568 wrote to memory of 1072	568	cmd.exe	schtasks.exe
PID 568 wrote to memory of 1072	568	cmd.exe	schtasks.exe
PID 568 wrote to memory of 1072	568	cmd.exe	schtasks.exe
PID 1080 wrote to memory of 1628	1080	PO-003785GMHN.exe	cmd.exe
PID 1080 wrote to memory of 1628	1080	PO-003785GMHN.exe	cmd.exe
PID 1080 wrote to memory of 1628	1080	PO-003785GMHN.exe	cmd.exe
PID 1080 wrote to memory of 1628	1080	PO-003785GMHN.exe	cmd.exe
PID 1628 wrote to memory of 1452	1628	cmd.exe	reg.exe
PID 1628 wrote to memory of 1452	1628	cmd.exe	reg.exe
PID 1628 wrote to memory of 1452	1628	cmd.exe	reg.exe
PID 1628 wrote to memory of 1452	1628	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\PO-003785GMHN.exe
"C:\Users\Admin\AppData\Local\Temp\PO-003785GMHN.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1080

C:\Windows\SysWOW64\mobsync.exe
"C:\Windows\System32\mobsync.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 576 -s 152
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1660

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Public\Trast.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:1444

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
3⤵
- Suspicious use of WriteProcessMemory
PID:568

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
4⤵
- Modifies registry key
PID:1124

C:\Windows\SysWOW64\reg.exe
reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
4⤵
- Modifies registry key
PID:1156

C:\Windows\SysWOW64\schtasks.exe
schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
4⤵
PID:1072

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Public\nest.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:1628

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
3⤵
- Modifies registry key
PID:1452

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\Trast.bat
MD5
4068c9f69fcd8a171c67f81d4a952a54

SHA1
4d2536a8c28cdcc17465e20d6693fb9e8e713b36

SHA256
24222300c78180b50ed1f8361ba63cb27316ec994c1c9079708a51b4a1a9d810

SHA512
a64f9319acc51fffd0491c74dcd9c9084c2783b82f95727e4bfe387a8528c6dcf68f11418e88f1e133d115daf907549c86dd7ad866b2a7938add5225fbb2811d

Download Submit
C:\Users\Public\UKO.bat
MD5
eaf8d967454c3bbddbf2e05a421411f8

SHA1
6170880409b24de75c2dc3d56a506fbff7f6622c

SHA256
f35f2658455a2e40f151549a7d6465a836c33fa9109e67623916f889849eac56

SHA512
fe5be5c673e99f70c93019d01abb0a29dd2ecf25b2d895190ff551f020c28e7d8f99f65007f440f0f76c5bcac343b2a179a94d190c938ea3b9e1197890a412e9

Download Submit
C:\Users\Public\nest.bat
MD5
8ada51400b7915de2124baaf75e3414c

SHA1
1a7b9db12184ab7fd7fce1c383f9670a00adb081

SHA256
45aa3957c29865260a78f03eef18ae9aebdbf7bea751ecc88be4a799f2bb46c7

SHA512
9afc138157a4565294ca49942579cdb6f5d8084e56f9354738de62b585f4c0fa3e7f2cbc9541827f2084e3ff36c46eed29b46f5dd2444062ffcd05c599992e68

Download Submit
memory/568-61-0x0000000000000000-mapping.dmp

Download
memory/576-67-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/576-56-0x0000000000000000-mapping.dmp

Download
memory/576-68-0x0000000050480000-0x00000000504A9000-memory.dmp

Filesize
164KB

Download
memory/1072-65-0x0000000000000000-mapping.dmp

Download
memory/1080-53-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

Download
memory/1080-54-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1124-63-0x0000000000000000-mapping.dmp

Download
memory/1156-64-0x0000000000000000-mapping.dmp

Download
memory/1444-57-0x0000000000000000-mapping.dmp

Download
memory/1452-72-0x0000000000000000-mapping.dmp

Download
memory/1628-70-0x0000000000000000-mapping.dmp

Download
memory/1660-60-0x0000000000000000-mapping.dmp

Download
memory/1660-69-0x00000000005E0000-0x00000000005FC000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads