formbook | 575d37d2a63d12c078a3a88c0e514574570ab8be5d92aaaedd1799958e068861

General

Target

dccee7de3f70a3b2a9111139695136f9.exe
Size

193KB
MD5

dccee7de3f70a3b2a9111139695136f9
SHA1

f21532158a6a6a5628c6502fd5fb0ea856474eac
SHA256

575d37d2a63d12c078a3a88c0e514574570ab8be5d92aaaedd1799958e068861
SHA512

3ae0ec5c42869b4fb695f496b223ee5fa750050fe4d48accdd1b7541ab7e6e804d42a1ab565fa14e98ba3b49685594048511bfcc4118485db5b1540829c9fe68

Score

10^/10

formbook xloader arh2 loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

arh2

Decoy

hstorc.com

blackountry.com

dhrbakery.com

dezhouofit.com

defipayout.xyz

ginas4t.com

byzbh63.xyz

qrcrashview.com

mialibaby.com

enhaut.net

samainnova.com

yashveerresort.com

delfos.online

dungcumay.com

lj-counseling.net

fliptheswitch.pro

padogbitelawyer.com

aticarev.com

sederino.site

bestplansforpets-japan3.life

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/624-64-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/624-65-0x000000000041F270-mapping.dmp	xloader
behavioral1/memory/624-68-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/848-77-0x00000000000C0000-0x00000000000EB000-memory.dmp	xloader

Executes dropped EXE 2 IoCs

Processes:

niyjmviian.exeniyjmviian.exe

pid process

1732 niyjmviian.exe
624 niyjmviian.exe
Loads dropped DLL 3 IoCs

Processes:

dccee7de3f70a3b2a9111139695136f9.exeniyjmviian.exe

pid process

1516 dccee7de3f70a3b2a9111139695136f9.exe
1516 dccee7de3f70a3b2a9111139695136f9.exe
1732 niyjmviian.exe

pid	process
1732	niyjmviian.exe
624	niyjmviian.exe

pid	process
1516	dccee7de3f70a3b2a9111139695136f9.exe
1516	dccee7de3f70a3b2a9111139695136f9.exe
1732	niyjmviian.exe

Adds 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\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	systray.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\6LFHZLUHO8_X = "C:\\Program Files (x86)\\T2dt\\helprfipi6.exe"	systray.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

niyjmviian.exeniyjmviian.exesystray.exe

description	pid	process	target process
PID 1732 set thread context of 624	1732	niyjmviian.exe	niyjmviian.exe
PID 624 set thread context of 1376	624	niyjmviian.exe	Explorer.EXE
PID 624 set thread context of 1376	624	niyjmviian.exe	Explorer.EXE
PID 848 set thread context of 1376	848	systray.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

systray.exe

description ioc process

File opened for modification C:\Program Files (x86)\T2dt\helprfipi6.exe systray.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Program Files (x86)\T2dt\helprfipi6.exe	systray.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:

niyjmviian.exesystray.exe

pid	process
624	niyjmviian.exe
624	niyjmviian.exe
624	niyjmviian.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe
848	systray.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

niyjmviian.exesystray.exe

pid process

624 niyjmviian.exe
624 niyjmviian.exe
624 niyjmviian.exe
624 niyjmviian.exe
848 systray.exe
848 systray.exe
848 systray.exe
848 systray.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

niyjmviian.exesystray.exe

description pid process

Token: SeDebugPrivilege 624 niyjmviian.exe
Token: SeDebugPrivilege 848 systray.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1376 Explorer.EXE
1376 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1376 Explorer.EXE
1376 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	624	niyjmviian.exe
Token: SeDebugPrivilege	848	systray.exe

pid	process
1376	Explorer.EXE
1376	Explorer.EXE

pid	process
1376	Explorer.EXE
1376	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

dccee7de3f70a3b2a9111139695136f9.exeniyjmviian.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 1516 wrote to memory of 1732	1516	dccee7de3f70a3b2a9111139695136f9.exe	niyjmviian.exe
PID 1516 wrote to memory of 1732	1516	dccee7de3f70a3b2a9111139695136f9.exe	niyjmviian.exe
PID 1516 wrote to memory of 1732	1516	dccee7de3f70a3b2a9111139695136f9.exe	niyjmviian.exe
PID 1516 wrote to memory of 1732	1516	dccee7de3f70a3b2a9111139695136f9.exe	niyjmviian.exe
PID 1732 wrote to memory of 624	1732	niyjmviian.exe	niyjmviian.exe
PID 1732 wrote to memory of 624	1732	niyjmviian.exe	niyjmviian.exe
PID 1732 wrote to memory of 624	1732	niyjmviian.exe	niyjmviian.exe
PID 1732 wrote to memory of 624	1732	niyjmviian.exe	niyjmviian.exe
PID 1732 wrote to memory of 624	1732	niyjmviian.exe	niyjmviian.exe
PID 1732 wrote to memory of 624	1732	niyjmviian.exe	niyjmviian.exe
PID 1732 wrote to memory of 624	1732	niyjmviian.exe	niyjmviian.exe
PID 1376 wrote to memory of 848	1376	Explorer.EXE	systray.exe
PID 1376 wrote to memory of 848	1376	Explorer.EXE	systray.exe
PID 1376 wrote to memory of 848	1376	Explorer.EXE	systray.exe
PID 1376 wrote to memory of 848	1376	Explorer.EXE	systray.exe
PID 848 wrote to memory of 892	848	systray.exe	cmd.exe
PID 848 wrote to memory of 892	848	systray.exe	cmd.exe
PID 848 wrote to memory of 892	848	systray.exe	cmd.exe
PID 848 wrote to memory of 892	848	systray.exe	cmd.exe
PID 848 wrote to memory of 1640	848	systray.exe	Firefox.exe
PID 848 wrote to memory of 1640	848	systray.exe	Firefox.exe
PID 848 wrote to memory of 1640	848	systray.exe	Firefox.exe
PID 848 wrote to memory of 1640	848	systray.exe	Firefox.exe
PID 848 wrote to memory of 1640	848	systray.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1376

C:\Users\Admin\AppData\Local\Temp\dccee7de3f70a3b2a9111139695136f9.exe
"C:\Users\Admin\AppData\Local\Temp\dccee7de3f70a3b2a9111139695136f9.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1516

C:\Users\Admin\AppData\Local\Temp\niyjmviian.exe
C:\Users\Admin\AppData\Local\Temp\niyjmviian.exe C:\Users\Admin\AppData\Local\Temp\xvwwnal
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1732

C:\Users\Admin\AppData\Local\Temp\niyjmviian.exe
C:\Users\Admin\AppData\Local\Temp\niyjmviian.exe C:\Users\Admin\AppData\Local\Temp\xvwwnal
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:624

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.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\niyjmviian.exe"
3⤵
PID:892

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1640

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\6taly34i0el
Filesize
171KB

MD5
99383e16870e28b1b03964f06fdb7cea

SHA1
864f8e69ab9cd09cd4e8292015d5b92ee92968ac

SHA256
f0f15c7524588f529068abc001dcccb5610fd22ee46672c63cf30b477289b12c

SHA512
343957be37b3722a8ba2d821d1ffc823e54e192e3375a52b3754328b6528ceb2db44396fda607551c109811ec4f861233207ed5a47336b8e4e6da77adccc1e45

Download Submit
C:\Users\Admin\AppData\Local\Temp\niyjmviian.exe
Filesize
3KB

MD5
98e1c3f5c2e363655e070ea79c073ac5

SHA1
8d803bfc4a033385ec3ec6f2d0775ee4bf23af7a

SHA256
0d840a7ff498f605f00da629efd82349245061d45599e2cc080ddf9827048d28

SHA512
7e71dfbb7f9114f328a367a661d67597ab02d871419689c250c105780b251154c7cc7d60c00fac9fac62f1a3a3b5a6e61437d49673ac95e721e041b52bf5be94

Download Submit
C:\Users\Admin\AppData\Local\Temp\niyjmviian.exe
Filesize
3KB

MD5
98e1c3f5c2e363655e070ea79c073ac5

SHA1
8d803bfc4a033385ec3ec6f2d0775ee4bf23af7a

SHA256
0d840a7ff498f605f00da629efd82349245061d45599e2cc080ddf9827048d28

SHA512
7e71dfbb7f9114f328a367a661d67597ab02d871419689c250c105780b251154c7cc7d60c00fac9fac62f1a3a3b5a6e61437d49673ac95e721e041b52bf5be94

Download Submit
C:\Users\Admin\AppData\Local\Temp\niyjmviian.exe
Filesize
3KB

MD5
98e1c3f5c2e363655e070ea79c073ac5

SHA1
8d803bfc4a033385ec3ec6f2d0775ee4bf23af7a

SHA256
0d840a7ff498f605f00da629efd82349245061d45599e2cc080ddf9827048d28

SHA512
7e71dfbb7f9114f328a367a661d67597ab02d871419689c250c105780b251154c7cc7d60c00fac9fac62f1a3a3b5a6e61437d49673ac95e721e041b52bf5be94

Download Submit
C:\Users\Admin\AppData\Local\Temp\xvwwnal
Filesize
4KB

MD5
2ebd7a077dc151c5c190924777abf8c5

SHA1
82715ed044e3b46719eb473b374afff8268bbc93

SHA256
a65f2f6fbdf7f883031b94051069f7a442013b4b38ee16cc9963ef796fe81d22

SHA512
d4fa231d6ab7cee78291eee0cf11370a16078a6ab396bc6c5097b2380107490f6b67452f7eea5f0b91bba431155f905541c52c2eaefe9f2738892d253a4f6ba8

Download Submit
\Users\Admin\AppData\Local\Temp\niyjmviian.exe
Filesize
3KB

MD5
98e1c3f5c2e363655e070ea79c073ac5

SHA1
8d803bfc4a033385ec3ec6f2d0775ee4bf23af7a

SHA256
0d840a7ff498f605f00da629efd82349245061d45599e2cc080ddf9827048d28

SHA512
7e71dfbb7f9114f328a367a661d67597ab02d871419689c250c105780b251154c7cc7d60c00fac9fac62f1a3a3b5a6e61437d49673ac95e721e041b52bf5be94

Download Submit
\Users\Admin\AppData\Local\Temp\niyjmviian.exe
Filesize
3KB

MD5
98e1c3f5c2e363655e070ea79c073ac5

SHA1
8d803bfc4a033385ec3ec6f2d0775ee4bf23af7a

SHA256
0d840a7ff498f605f00da629efd82349245061d45599e2cc080ddf9827048d28

SHA512
7e71dfbb7f9114f328a367a661d67597ab02d871419689c250c105780b251154c7cc7d60c00fac9fac62f1a3a3b5a6e61437d49673ac95e721e041b52bf5be94

Download Submit
\Users\Admin\AppData\Local\Temp\niyjmviian.exe
Filesize
3KB

MD5
98e1c3f5c2e363655e070ea79c073ac5

SHA1
8d803bfc4a033385ec3ec6f2d0775ee4bf23af7a

SHA256
0d840a7ff498f605f00da629efd82349245061d45599e2cc080ddf9827048d28

SHA512
7e71dfbb7f9114f328a367a661d67597ab02d871419689c250c105780b251154c7cc7d60c00fac9fac62f1a3a3b5a6e61437d49673ac95e721e041b52bf5be94

Download Submit
memory/624-68-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/624-65-0x000000000041F270-mapping.dmp

Download
memory/624-64-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/624-71-0x00000000002B0000-0x00000000002C1000-memory.dmp

Filesize
68KB

Download
memory/624-69-0x0000000000830000-0x0000000000B33000-memory.dmp

Filesize
3.0MB

Download
memory/624-73-0x0000000000300000-0x0000000000311000-memory.dmp

Filesize
68KB

Download
memory/848-77-0x00000000000C0000-0x00000000000EB000-memory.dmp

Filesize
172KB

Download
memory/848-80-0x0000000000850000-0x00000000008E0000-memory.dmp

Filesize
576KB

Download
memory/848-78-0x0000000001F10000-0x0000000002213000-memory.dmp

Filesize
3.0MB

Download
memory/848-75-0x0000000000000000-mapping.dmp

Download
memory/848-76-0x0000000000970000-0x0000000000975000-memory.dmp

Filesize
20KB

Download
memory/892-79-0x0000000000000000-mapping.dmp

Download
memory/1376-70-0x0000000004320000-0x000000000445E000-memory.dmp

Filesize
1.2MB

Download
memory/1376-74-0x0000000003D40000-0x0000000003E02000-memory.dmp

Filesize
776KB

Download
memory/1376-81-0x0000000005EC0000-0x0000000005FF9000-memory.dmp

Filesize
1.2MB

Download
memory/1516-54-0x00000000755A1000-0x00000000755A3000-memory.dmp

Filesize
8KB

Download
memory/1732-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads