formbook | c78323831bc77fefdeaa33bd70441e02d7c94f456290a3068f345baaf5fff6cc

General

Target

INVOICE.exe
Size

1.0MB
MD5

3e0b369f71d263bd0918bfce2b1873c3
SHA1

0919aa900e50b290cc90426537ec25a9c44496b0
SHA256

c10f872ac7d56c5c8d5151eb8d5c3aba275f83bd55700c0dc38776a04b275175
SHA512

6c5cb90c5519dbaf90b2ca2183d6c48a1cd216eeb1eff02f16d1042cdde5955734c7ea52408e6ec907abb1a5e4c40eca40b9ed830a92315fad4660861e425c3f

Score

10^/10

formbook xloader m6rs loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

m6rs

C2

http://www.litediv.com/m6rs/

Decoy

globalsovereignbank.com

ktnrape.xyz

churchybulletin.com

ddyla.com

imatge.cat

iwholesalestore.com

cultivapro.club

ibcfcl.com

refurbisheddildo.com

killerinktnpasumo4.xyz

mdphotoart.com

smi-ity.com

stanprolearningcenter.com

companyintelapp.com

tacticarc.com

soolls.com

gra68.net

cedricettori.digital

mossobuy.com

way2liv.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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/796-59-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/796-60-0x000000000041D3D0-mapping.dmp	xloader
behavioral1/memory/848-67-0x00000000001D0000-0x00000000001F9000-memory.dmp	xloader

Executes dropped EXE 1 IoCs

Processes:

igfxrfftq.exe

pid process

1832 igfxrfftq.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1836 cmd.exe
Loads dropped DLL 5 IoCs

Processes:

WerFault.exe

pid process

1504 WerFault.exe
1504 WerFault.exe
1504 WerFault.exe
1504 WerFault.exe
1504 WerFault.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1832	igfxrfftq.exe

pid	process
1836	cmd.exe

pid	process
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\KPUD5TBPDLH = "C:\\Program Files (x86)\\Njvxpnpxh\\igfxrfftq.exe"	wscript.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

INVOICE.exeINVOICE.exewscript.exe

description	pid	process	target process
PID 1540 set thread context of 796	1540	INVOICE.exe	INVOICE.exe
PID 796 set thread context of 1356	796	INVOICE.exe	Explorer.EXE
PID 848 set thread context of 1356	848	wscript.exe	Explorer.EXE

Drops file in Program Files directory 2 IoCs

Processes:

wscript.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Njvxpnpxh\igfxrfftq.exe	wscript.exe
File created	C:\Program Files (x86)\Njvxpnpxh\igfxrfftq.exe	Explorer.EXE

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1504 1832 WerFault.exe igfxrfftq.exe

pid	pid_target	process	target process
1504	1832	WerFault.exe	igfxrfftq.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3456797065-1076791440-4146276586-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wscript.exe

Suspicious behavior: EnumeratesProcesses 55 IoCs

Processes:

INVOICE.exewscript.exeWerFault.exe

pid	process
796	INVOICE.exe
796	INVOICE.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe
848	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1356 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

INVOICE.exewscript.exe

pid process

796 INVOICE.exe
796 INVOICE.exe
796 INVOICE.exe
848 wscript.exe
848 wscript.exe
848 wscript.exe
848 wscript.exe

pid	process
1356	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

INVOICE.exewscript.exeExplorer.EXEWerFault.exe

description	pid	process
Token: SeDebugPrivilege	796	INVOICE.exe
Token: SeDebugPrivilege	848	wscript.exe
Token: SeShutdownPrivilege	1356	Explorer.EXE
Token: SeDebugPrivilege	1504	WerFault.exe
Token: SeShutdownPrivilege	1356	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1356 Explorer.EXE
1356 Explorer.EXE
1356 Explorer.EXE
1356 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1356 Explorer.EXE
1356 Explorer.EXE

pid	process
1356	Explorer.EXE
1356	Explorer.EXE
1356	Explorer.EXE
1356	Explorer.EXE

pid	process
1356	Explorer.EXE
1356	Explorer.EXE

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

INVOICE.exeExplorer.EXEwscript.exeigfxrfftq.exe

description	pid	process	target process
PID 1540 wrote to memory of 796	1540	INVOICE.exe	INVOICE.exe
PID 1540 wrote to memory of 796	1540	INVOICE.exe	INVOICE.exe
PID 1540 wrote to memory of 796	1540	INVOICE.exe	INVOICE.exe
PID 1540 wrote to memory of 796	1540	INVOICE.exe	INVOICE.exe
PID 1540 wrote to memory of 796	1540	INVOICE.exe	INVOICE.exe
PID 1540 wrote to memory of 796	1540	INVOICE.exe	INVOICE.exe
PID 1540 wrote to memory of 796	1540	INVOICE.exe	INVOICE.exe
PID 1356 wrote to memory of 848	1356	Explorer.EXE	wscript.exe
PID 1356 wrote to memory of 848	1356	Explorer.EXE	wscript.exe
PID 1356 wrote to memory of 848	1356	Explorer.EXE	wscript.exe
PID 1356 wrote to memory of 848	1356	Explorer.EXE	wscript.exe
PID 848 wrote to memory of 1836	848	wscript.exe	cmd.exe
PID 848 wrote to memory of 1836	848	wscript.exe	cmd.exe
PID 848 wrote to memory of 1836	848	wscript.exe	cmd.exe
PID 848 wrote to memory of 1836	848	wscript.exe	cmd.exe
PID 848 wrote to memory of 1624	848	wscript.exe	Firefox.exe
PID 848 wrote to memory of 1624	848	wscript.exe	Firefox.exe
PID 848 wrote to memory of 1624	848	wscript.exe	Firefox.exe
PID 848 wrote to memory of 1624	848	wscript.exe	Firefox.exe
PID 848 wrote to memory of 1624	848	wscript.exe	Firefox.exe
PID 1356 wrote to memory of 1832	1356	Explorer.EXE	igfxrfftq.exe
PID 1356 wrote to memory of 1832	1356	Explorer.EXE	igfxrfftq.exe
PID 1356 wrote to memory of 1832	1356	Explorer.EXE	igfxrfftq.exe
PID 1356 wrote to memory of 1832	1356	Explorer.EXE	igfxrfftq.exe
PID 1832 wrote to memory of 1504	1832	igfxrfftq.exe	WerFault.exe
PID 1832 wrote to memory of 1504	1832	igfxrfftq.exe	WerFault.exe
PID 1832 wrote to memory of 1504	1832	igfxrfftq.exe	WerFault.exe
PID 1832 wrote to memory of 1504	1832	igfxrfftq.exe	WerFault.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1356

C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1540

C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:796

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Adds 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:848

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
3⤵
- Deletes itself
PID:1836

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1624

C:\Program Files (x86)\Njvxpnpxh\igfxrfftq.exe
"C:\Program Files (x86)\Njvxpnpxh\igfxrfftq.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 664
3⤵
- Loads dropped DLL
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1504

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

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Njvxpnpxh\igfxrfftq.exe
MD5
b0820366e32e612b669ca9c519dc15f6

SHA1
b7fa7894ded1ae80f2f58b5269d460c4b6729d2e

SHA256
15cc7b4992ee6bc7986aadb9fccd3ebf5aa2d50f8fff7920985bacbe9b0eafeb

SHA512
fd9e2237d0d0c26a5c8aa14f19ce6ecc4b131229eacb0a3a73ff450a97aaf1350a2a27407f00db9f0ae1ad4a235e68645043bc6a47d4e814c9f022a4d56d8de4

Download Submit
C:\Program Files (x86)\Njvxpnpxh\igfxrfftq.exe
MD5
b0820366e32e612b669ca9c519dc15f6

SHA1
b7fa7894ded1ae80f2f58b5269d460c4b6729d2e

SHA256
15cc7b4992ee6bc7986aadb9fccd3ebf5aa2d50f8fff7920985bacbe9b0eafeb

SHA512
fd9e2237d0d0c26a5c8aa14f19ce6ecc4b131229eacb0a3a73ff450a97aaf1350a2a27407f00db9f0ae1ad4a235e68645043bc6a47d4e814c9f022a4d56d8de4

Download Submit
\Program Files (x86)\Njvxpnpxh\igfxrfftq.exe
MD5
b0820366e32e612b669ca9c519dc15f6

SHA1
b7fa7894ded1ae80f2f58b5269d460c4b6729d2e

SHA256
15cc7b4992ee6bc7986aadb9fccd3ebf5aa2d50f8fff7920985bacbe9b0eafeb

SHA512
fd9e2237d0d0c26a5c8aa14f19ce6ecc4b131229eacb0a3a73ff450a97aaf1350a2a27407f00db9f0ae1ad4a235e68645043bc6a47d4e814c9f022a4d56d8de4

Download Submit
\Program Files (x86)\Njvxpnpxh\igfxrfftq.exe
MD5
b0820366e32e612b669ca9c519dc15f6

SHA1
b7fa7894ded1ae80f2f58b5269d460c4b6729d2e

SHA256
15cc7b4992ee6bc7986aadb9fccd3ebf5aa2d50f8fff7920985bacbe9b0eafeb

SHA512
fd9e2237d0d0c26a5c8aa14f19ce6ecc4b131229eacb0a3a73ff450a97aaf1350a2a27407f00db9f0ae1ad4a235e68645043bc6a47d4e814c9f022a4d56d8de4

Download Submit
\Program Files (x86)\Njvxpnpxh\igfxrfftq.exe
MD5
b0820366e32e612b669ca9c519dc15f6

SHA1
b7fa7894ded1ae80f2f58b5269d460c4b6729d2e

SHA256
15cc7b4992ee6bc7986aadb9fccd3ebf5aa2d50f8fff7920985bacbe9b0eafeb

SHA512
fd9e2237d0d0c26a5c8aa14f19ce6ecc4b131229eacb0a3a73ff450a97aaf1350a2a27407f00db9f0ae1ad4a235e68645043bc6a47d4e814c9f022a4d56d8de4

Download Submit
\Program Files (x86)\Njvxpnpxh\igfxrfftq.exe
MD5
b0820366e32e612b669ca9c519dc15f6

SHA1
b7fa7894ded1ae80f2f58b5269d460c4b6729d2e

SHA256
15cc7b4992ee6bc7986aadb9fccd3ebf5aa2d50f8fff7920985bacbe9b0eafeb

SHA512
fd9e2237d0d0c26a5c8aa14f19ce6ecc4b131229eacb0a3a73ff450a97aaf1350a2a27407f00db9f0ae1ad4a235e68645043bc6a47d4e814c9f022a4d56d8de4

Download Submit
\Program Files (x86)\Njvxpnpxh\igfxrfftq.exe
MD5
b0820366e32e612b669ca9c519dc15f6

SHA1
b7fa7894ded1ae80f2f58b5269d460c4b6729d2e

SHA256
15cc7b4992ee6bc7986aadb9fccd3ebf5aa2d50f8fff7920985bacbe9b0eafeb

SHA512
fd9e2237d0d0c26a5c8aa14f19ce6ecc4b131229eacb0a3a73ff450a97aaf1350a2a27407f00db9f0ae1ad4a235e68645043bc6a47d4e814c9f022a4d56d8de4

Download Submit
memory/796-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/796-60-0x000000000041D3D0-mapping.dmp

Download
memory/796-61-0x0000000000800000-0x0000000000B03000-memory.dmp

Filesize
3.0MB

Download
memory/796-62-0x0000000000200000-0x0000000000211000-memory.dmp

Filesize
68KB

Download
memory/848-70-0x00000000022B0000-0x0000000002340000-memory.dmp

Filesize
576KB

Download
memory/848-64-0x0000000000000000-mapping.dmp

Download
memory/848-67-0x00000000001D0000-0x00000000001F9000-memory.dmp

Filesize
164KB

Download
memory/848-68-0x0000000001E90000-0x0000000002193000-memory.dmp

Filesize
3.0MB

Download
memory/848-69-0x0000000075A71000-0x0000000075A73000-memory.dmp

Filesize
8KB

Download
memory/848-66-0x00000000008D0000-0x00000000008F6000-memory.dmp

Filesize
152KB

Download
memory/1356-63-0x0000000006AD0000-0x0000000006C08000-memory.dmp

Filesize
1.2MB

Download
memory/1356-71-0x0000000006480000-0x00000000065DD000-memory.dmp

Filesize
1.4MB

Download
memory/1504-83-0x0000000000000000-mapping.dmp

Download
memory/1504-89-0x0000000000370000-0x00000000003D0000-memory.dmp

Filesize
384KB

Download
memory/1540-53-0x0000000001180000-0x0000000001181000-memory.dmp

Filesize
4KB

Download
memory/1540-55-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/1540-56-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1540-57-0x00000000057C0000-0x0000000005821000-memory.dmp

Filesize
388KB

Download
memory/1540-58-0x0000000000740000-0x0000000000772000-memory.dmp

Filesize
200KB

Download
memory/1624-78-0x000000013F360000-0x000000013F3F3000-memory.dmp

Filesize
588KB

Download
memory/1624-72-0x0000000000000000-mapping.dmp

Download
memory/1624-80-0x00000000024D0000-0x000000000260A000-memory.dmp

Filesize
1.2MB

Download
memory/1832-82-0x0000000005150000-0x00000000051B1000-memory.dmp

Filesize
388KB

Download
memory/1832-81-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

Filesize
4KB

Download
memory/1832-76-0x0000000001000000-0x0000000001001000-memory.dmp

Filesize
4KB

Download
memory/1832-73-0x0000000000000000-mapping.dmp

Download
memory/1836-65-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads