formbook | 6b80459293e1eae78fa4efafbc8ddae1fb2bdb73c35c0b1880fdb65d80a49114

General

Target

mpa.exe
Size

260KB
MD5

44a6829e3ee6c5d98fccde99b502f7e2
SHA1

a64dce6694fc716860a52b367317efc095e46756
SHA256

6b80459293e1eae78fa4efafbc8ddae1fb2bdb73c35c0b1880fdb65d80a49114
SHA512

94a51cc57016387bc64107f4b159dd9bfb588fca597bbec9137e94ef832e2a1471a742bd20de3405f2c9cdf4b3b7436ac6889295ba424d678236232d148c26cd

Score

10^/10

formbook xloader be4o loader persistence rat spyware stealer suricata trojan

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

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1792-60-0x000000000041F270-mapping.dmp	xloader
behavioral1/memory/1792-61-0x0000000000080000-0x00000000000AB000-memory.dmp	xloader
behavioral1/memory/1792-66-0x0000000000080000-0x00000000000AB000-memory.dmp	xloader
behavioral1/memory/1812-72-0x0000000000080000-0x00000000000AB000-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:

colorcpl.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	colorcpl.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\YNUTDNC0H = "C:\\Program Files (x86)\\Spbc\\mfcnnex.exe"	colorcpl.exe

Executes dropped EXE 1 IoCs

Processes:

mfcnnex.exe

pid process

1764 mfcnnex.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
1764	mfcnnex.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

mpa.exevbc.execolorcpl.exe

description	pid	process	target process
PID 1796 set thread context of 1792	1796	mpa.exe	vbc.exe
PID 1792 set thread context of 1384	1792	vbc.exe	Explorer.EXE
PID 1792 set thread context of 1384	1792	vbc.exe	Explorer.EXE
PID 1812 set thread context of 1384	1812	colorcpl.exe	Explorer.EXE

Drops file in Program Files directory 2 IoCs

Processes:

colorcpl.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Spbc\mfcnnex.exe	colorcpl.exe
File created	C:\Program Files (x86)\Spbc\mfcnnex.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

colorcpl.exe

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

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

vbc.execolorcpl.exe

pid	process
1792	vbc.exe
1792	vbc.exe
1792	vbc.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe
1812	colorcpl.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

vbc.execolorcpl.exe

pid process

1792 vbc.exe
1792 vbc.exe
1792 vbc.exe
1792 vbc.exe
1812 colorcpl.exe
1812 colorcpl.exe
1812 colorcpl.exe
1812 colorcpl.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

vbc.execolorcpl.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1792	vbc.exe
Token: SeDebugPrivilege	1812	colorcpl.exe
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeShutdownPrivilege	1384	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1384 Explorer.EXE
1384 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1384 Explorer.EXE
1384 Explorer.EXE

pid	process
1384	Explorer.EXE
1384	Explorer.EXE

pid	process
1384	Explorer.EXE
1384	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

mpa.exeExplorer.EXEcolorcpl.exe

description	pid	process	target process
PID 1796 wrote to memory of 1792	1796	mpa.exe	vbc.exe
PID 1796 wrote to memory of 1792	1796	mpa.exe	vbc.exe
PID 1796 wrote to memory of 1792	1796	mpa.exe	vbc.exe
PID 1796 wrote to memory of 1792	1796	mpa.exe	vbc.exe
PID 1796 wrote to memory of 1792	1796	mpa.exe	vbc.exe
PID 1796 wrote to memory of 1792	1796	mpa.exe	vbc.exe
PID 1796 wrote to memory of 1792	1796	mpa.exe	vbc.exe
PID 1384 wrote to memory of 1812	1384	Explorer.EXE	colorcpl.exe
PID 1384 wrote to memory of 1812	1384	Explorer.EXE	colorcpl.exe
PID 1384 wrote to memory of 1812	1384	Explorer.EXE	colorcpl.exe
PID 1384 wrote to memory of 1812	1384	Explorer.EXE	colorcpl.exe
PID 1812 wrote to memory of 1972	1812	colorcpl.exe	cmd.exe
PID 1812 wrote to memory of 1972	1812	colorcpl.exe	cmd.exe
PID 1812 wrote to memory of 1972	1812	colorcpl.exe	cmd.exe
PID 1812 wrote to memory of 1972	1812	colorcpl.exe	cmd.exe
PID 1812 wrote to memory of 820	1812	colorcpl.exe	Firefox.exe
PID 1812 wrote to memory of 820	1812	colorcpl.exe	Firefox.exe
PID 1812 wrote to memory of 820	1812	colorcpl.exe	Firefox.exe
PID 1812 wrote to memory of 820	1812	colorcpl.exe	Firefox.exe
PID 1812 wrote to memory of 820	1812	colorcpl.exe	Firefox.exe
PID 1384 wrote to memory of 1764	1384	Explorer.EXE	mfcnnex.exe
PID 1384 wrote to memory of 1764	1384	Explorer.EXE	mfcnnex.exe
PID 1384 wrote to memory of 1764	1384	Explorer.EXE	mfcnnex.exe
PID 1384 wrote to memory of 1764	1384	Explorer.EXE	mfcnnex.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:1384

C:\Users\Admin\AppData\Local\Temp\mpa.exe
"C:\Users\Admin\AppData\Local\Temp\mpa.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1796

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:1792

C:\Windows\SysWOW64\colorcpl.exe
"C:\Windows\SysWOW64\colorcpl.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:1812

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
PID:1972

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:820

C:\Program Files (x86)\Spbc\mfcnnex.exe
"C:\Program Files (x86)\Spbc\mfcnnex.exe"
2⤵
- Executes dropped EXE
PID:1764

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

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\Spbc\mfcnnex.exe
Filesize
2.6MB

MD5
e2c05087ec382d5544597b434c4c693b

SHA1
5e1d4a95063b6f9d02d782dfa95635330b95f0d2

SHA256
866d9e0a167bdcd96594286cd57bf2a093e282bde6594ff9b689d0ae4848bc02

SHA512
006acddb5ad82c1b9d24f1a6f5c11cd2490abaa213bace8c490b291963f91726a9a05b56e57f13ee2bed7da0954f8f515a48e0a4e4f629c890644c9334288dc9

Download Submit
C:\Program Files (x86)\Spbc\mfcnnex.exe
Filesize
2.6MB

MD5
e2c05087ec382d5544597b434c4c693b

SHA1
5e1d4a95063b6f9d02d782dfa95635330b95f0d2

SHA256
866d9e0a167bdcd96594286cd57bf2a093e282bde6594ff9b689d0ae4848bc02

SHA512
006acddb5ad82c1b9d24f1a6f5c11cd2490abaa213bace8c490b291963f91726a9a05b56e57f13ee2bed7da0954f8f515a48e0a4e4f629c890644c9334288dc9

Download Submit
memory/1384-65-0x0000000004150000-0x000000000423D000-memory.dmp

Filesize
948KB

Download
memory/1384-76-0x0000000004C60000-0x0000000004D5A000-memory.dmp

Filesize
1000KB

Download
memory/1384-68-0x0000000004AE0000-0x0000000004C54000-memory.dmp

Filesize
1.5MB

Download
memory/1764-77-0x0000000000000000-mapping.dmp

Download
memory/1792-67-0x0000000000300000-0x0000000000311000-memory.dmp

Filesize
68KB

Download
memory/1792-60-0x000000000041F270-mapping.dmp

Download
memory/1792-63-0x0000000000E00000-0x0000000001103000-memory.dmp

Filesize
3.0MB

Download
memory/1792-66-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/1792-61-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/1792-64-0x0000000000190000-0x00000000001A1000-memory.dmp

Filesize
68KB

Download
memory/1792-56-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/1792-57-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/1796-54-0x0000000000D00000-0x0000000000D46000-memory.dmp

Filesize
280KB

Download
memory/1796-55-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1812-71-0x0000000000830000-0x0000000000848000-memory.dmp

Filesize
96KB

Download
memory/1812-75-0x0000000001C50000-0x0000000001CE0000-memory.dmp

Filesize
576KB

Download
memory/1812-73-0x0000000002020000-0x0000000002323000-memory.dmp

Filesize
3.0MB

Download
memory/1812-72-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/1812-69-0x0000000000000000-mapping.dmp

Download
memory/1972-74-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads