xloader | 62d4b809036b03226c7b5c36b6126d97cc1ecf915200146391bf05e74c58e874

General

Target

INQNEW#PO24052022.qdf.exe
Size

276KB
MD5

ebb0fecde4a2e88c63c27c82810113b5
SHA1

c5658bec21ea4dfe2d0a66089d2d18bf081c778f
SHA256

df1b0eef4f32a5c2527691175375962957db71bc913d37f6e71150e599b2b31c
SHA512

05960c717d5f30ca5b1424a3a2806c2a7a00b6ec4a3949bdb7db4d7f5fd885119cf18cbb752537ddcb7bc277ecf683d060c40baee3ac6bdb6f76cb5a50598ad8

Score

10^/10

xloader be4o loader persistence rat suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

be4o

Decoy

laboratoriobioixcha.com

tictocperushop.online

wild-oceans.com

belaruscountry.com

kicktmall.com

fitcoinweb.tech

mores.one

gogear.one

gxrcksy.com

samrcq.com

impossible-icecream.com

bravesxx.com

bookchainart.com

sleepsolutionsofmboro.com

ocbrazilbusinessclub.com

advisor76.xyz

xitaotech.com

mgsdtytifgf3414.xyz

johnson-brown.net

cr3drt.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/952-60-0x000000000041F270-mapping.dmp	xloader
behavioral1/memory/952-61-0x0000000000080000-0x00000000000AB000-memory.dmp	xloader
behavioral1/memory/1308-68-0x0000000000080000-0x00000000000AB000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

systray.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	systray.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DT8PFTBPRT = "C:\\Program Files (x86)\\Mzv1psz\\certmgrf0j8u85p.exe"	systray.exe

Executes dropped EXE 1 IoCs

Processes:

certmgrf0j8u85p.exe

pid process

1772 certmgrf0j8u85p.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
1772	certmgrf0j8u85p.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

INQNEW#PO24052022.qdf.exevbc.exesystray.exe

description	pid	process	target process
PID 872 set thread context of 952	872	INQNEW#PO24052022.qdf.exe	vbc.exe
PID 952 set thread context of 1220	952	vbc.exe	Explorer.EXE
PID 1308 set thread context of 1220	1308	systray.exe	Explorer.EXE

Drops file in Program Files directory 2 IoCs

Processes:

systray.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Mzv1psz\certmgrf0j8u85p.exe	systray.exe
File created	C:\Program Files (x86)\Mzv1psz\certmgrf0j8u85p.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

systray.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	systray.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

vbc.exesystray.exe

pid	process
952	vbc.exe
952	vbc.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe
1308	systray.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

vbc.exesystray.exe

pid process

952 vbc.exe
952 vbc.exe
952 vbc.exe
1308 systray.exe
1308 systray.exe
1308 systray.exe
1308 systray.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

vbc.exesystray.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	952	vbc.exe
Token: SeDebugPrivilege	1308	systray.exe
Token: SeShutdownPrivilege	1220	Explorer.EXE
Token: SeShutdownPrivilege	1220	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

INQNEW#PO24052022.qdf.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 872 wrote to memory of 952	872	INQNEW#PO24052022.qdf.exe	vbc.exe
PID 872 wrote to memory of 952	872	INQNEW#PO24052022.qdf.exe	vbc.exe
PID 872 wrote to memory of 952	872	INQNEW#PO24052022.qdf.exe	vbc.exe
PID 872 wrote to memory of 952	872	INQNEW#PO24052022.qdf.exe	vbc.exe
PID 872 wrote to memory of 952	872	INQNEW#PO24052022.qdf.exe	vbc.exe
PID 872 wrote to memory of 952	872	INQNEW#PO24052022.qdf.exe	vbc.exe
PID 872 wrote to memory of 952	872	INQNEW#PO24052022.qdf.exe	vbc.exe
PID 1220 wrote to memory of 1308	1220	Explorer.EXE	systray.exe
PID 1220 wrote to memory of 1308	1220	Explorer.EXE	systray.exe
PID 1220 wrote to memory of 1308	1220	Explorer.EXE	systray.exe
PID 1220 wrote to memory of 1308	1220	Explorer.EXE	systray.exe
PID 1308 wrote to memory of 1128	1308	systray.exe	cmd.exe
PID 1308 wrote to memory of 1128	1308	systray.exe	cmd.exe
PID 1308 wrote to memory of 1128	1308	systray.exe	cmd.exe
PID 1308 wrote to memory of 1128	1308	systray.exe	cmd.exe
PID 1308 wrote to memory of 1104	1308	systray.exe	Firefox.exe
PID 1308 wrote to memory of 1104	1308	systray.exe	Firefox.exe
PID 1308 wrote to memory of 1104	1308	systray.exe	Firefox.exe
PID 1308 wrote to memory of 1104	1308	systray.exe	Firefox.exe
PID 1308 wrote to memory of 1104	1308	systray.exe	Firefox.exe
PID 1220 wrote to memory of 1772	1220	Explorer.EXE	certmgrf0j8u85p.exe
PID 1220 wrote to memory of 1772	1220	Explorer.EXE	certmgrf0j8u85p.exe
PID 1220 wrote to memory of 1772	1220	Explorer.EXE	certmgrf0j8u85p.exe
PID 1220 wrote to memory of 1772	1220	Explorer.EXE	certmgrf0j8u85p.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1220

C:\Users\Admin\AppData\Local\Temp\INQNEW#PO24052022.qdf.exe
"C:\Users\Admin\AppData\Local\Temp\INQNEW#PO24052022.qdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:872

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:952

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1308

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
PID:1128

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1104

C:\Program Files (x86)\Mzv1psz\certmgrf0j8u85p.exe
"C:\Program Files (x86)\Mzv1psz\certmgrf0j8u85p.exe"
2⤵
- Executes dropped EXE
PID:1772

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Scripting

1

T1064

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Mzv1psz\certmgrf0j8u85p.exe
Filesize
2.6MB

MD5
c9186500c029d36dc8e57431040c2f76

SHA1
baaac30e02341cea28bed7f963ec7e78945dabc2

SHA256
dd6b5964d36be4ed2f0b81dd43bb0a5ca434d82389d28eaa8632da15ade3a43b

SHA512
03cc9bc677a981e04f5728c735e855c1ea9e466b3afdac0259749605d8b1567869b7c59fcbd00a92d54813e353d130ba5a9ce4c325ed06bf9dc5de16a106b599

Download Submit
C:\Program Files (x86)\Mzv1psz\certmgrf0j8u85p.exe
Filesize
2.6MB

MD5
c9186500c029d36dc8e57431040c2f76

SHA1
baaac30e02341cea28bed7f963ec7e78945dabc2

SHA256
dd6b5964d36be4ed2f0b81dd43bb0a5ca434d82389d28eaa8632da15ade3a43b

SHA512
03cc9bc677a981e04f5728c735e855c1ea9e466b3afdac0259749605d8b1567869b7c59fcbd00a92d54813e353d130ba5a9ce4c325ed06bf9dc5de16a106b599

Download Submit
memory/872-54-0x0000000000CF0000-0x0000000000D3A000-memory.dmp

Filesize
296KB

Download
memory/872-55-0x00000000764C1000-0x00000000764C3000-memory.dmp

Filesize
8KB

Download
memory/952-56-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/952-57-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/952-60-0x000000000041F270-mapping.dmp

Download
memory/952-61-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/952-63-0x0000000000D50000-0x0000000001053000-memory.dmp

Filesize
3.0MB

Download
memory/952-64-0x0000000000170000-0x0000000000181000-memory.dmp

Filesize
68KB

Download
memory/1128-69-0x0000000000000000-mapping.dmp

Download
memory/1220-73-0x0000000004D40000-0x0000000004E90000-memory.dmp

Filesize
1.3MB

Download
memory/1220-65-0x0000000004C00000-0x0000000004D3B000-memory.dmp

Filesize
1.2MB

Download
memory/1308-67-0x0000000000D20000-0x0000000000D25000-memory.dmp

Filesize
20KB

Download
memory/1308-68-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/1308-70-0x0000000002130000-0x0000000002433000-memory.dmp

Filesize
3.0MB

Download
memory/1308-72-0x0000000000BE0000-0x0000000000C70000-memory.dmp

Filesize
576KB

Download
memory/1308-66-0x0000000000000000-mapping.dmp

Download
memory/1772-74-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads