formbook | 891ff9447dec210b5897080666b8281d7387206c14dba7587465e16bd2efa117

General

Target

51cd4ea4c20552f51824b13af3a93360.exe
Size

847KB
MD5

51cd4ea4c20552f51824b13af3a93360
SHA1

1f85673268160d356cc66056e18e721646a51034
SHA256

891ff9447dec210b5897080666b8281d7387206c14dba7587465e16bd2efa117
SHA512

add0bc6bec599694cdd9c19101edf0b66a914aa4198ed9f10d23e4c14b8bf2708c992917326974007c59c4e6e5c49063c0e1ade25556cdc19ae9dc1a8c79fbcf

Score

10^/10

formbook xloader sb6n loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

sb6n

C2

http://www.best5amazon.com/sb6n/

Decoy

bogosamba.com

inmobiliariapuertalavilla.com

nopressurewellness.com

hairshopamity.com

epicmoments360.com

tutorgpa.com

fucibou.xyz

135631.com

portraydashcam.com

raqsarabia.com

okantis.net

vongquaykimcuongfreefire.online

prodom.online

5537sbishop.info

lisakenneyinc.com

fivetime.xyz

borzv.com

joungla.com

mas-urbano.com

sjczyw.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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1484-61-0x0000000000000000-mapping.dmp	xloader
behavioral1/memory/1484-72-0x0000000072480000-0x00000000724A9000-memory.dmp	xloader
behavioral1/memory/1964-79-0x0000000000130000-0x0000000000159000-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:

help.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	help.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\J8TPYLN8OVE = "C:\\Program Files (x86)\\Qqpg4a\\certmgrypt0a.exe"	help.exe

Executes dropped EXE 1 IoCs

Processes:

certmgrypt0a.exe

pid process

1824 certmgrypt0a.exe

pid	process
1824	certmgrypt0a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

51cd4ea4c20552f51824b13af3a93360.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run\Qhscwo = "C:\\Users\\Public\\owcshQ.url"	51cd4ea4c20552f51824b13af3a93360.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

mobsync.exehelp.exe

description	pid	process	target process
PID 1484 set thread context of 1352	1484	mobsync.exe	Explorer.EXE
PID 1964 set thread context of 1352	1964	help.exe	Explorer.EXE

Drops file in Program Files directory 2 IoCs

Processes:

Explorer.EXEhelp.exe

description	ioc	process
File created	C:\Program Files (x86)\Qqpg4a\certmgrypt0a.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Qqpg4a\certmgrypt0a.exe	help.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

Processes:

help.exeExplorer.EXE

description	ioc	process
Key created	\Registry\User\S-1-5-21-2955169046-2371869340-1800780948-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar	Explorer.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	Explorer.EXE

Modifies registry class 3 IoCs

Processes:

Explorer.EXE

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	Explorer.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	Explorer.EXE

Modifies registry key 1 TTPs 3 IoCs

Modify Registry
T1112

Processes:

reg.exereg.exereg.exe

pid process

840 reg.exe
1064 reg.exe
1516 reg.exe

pid	process
840	reg.exe
1064	reg.exe
1516	reg.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

mobsync.exehelp.exe

pid	process
1484	mobsync.exe
1484	mobsync.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe
1964	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1352 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

mobsync.exehelp.exe

pid process

1484 mobsync.exe
1484 mobsync.exe
1484 mobsync.exe
1964 help.exe
1964 help.exe
1964 help.exe
1964 help.exe

pid	process
1352	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

mobsync.exehelp.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1484	mobsync.exe
Token: SeDebugPrivilege	1964	help.exe
Token: SeShutdownPrivilege	1352	Explorer.EXE
Token: SeShutdownPrivilege	1352	Explorer.EXE
Token: SeShutdownPrivilege	1352	Explorer.EXE
Token: SeShutdownPrivilege	1352	Explorer.EXE
Token: SeShutdownPrivilege	1352	Explorer.EXE
Token: SeShutdownPrivilege	1352	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

Explorer.EXE

pid process

1352 Explorer.EXE

pid	process
1352	Explorer.EXE

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

51cd4ea4c20552f51824b13af3a93360.execmd.execmd.exeExplorer.EXEhelp.execmd.exe

description	pid	process	target process
PID 1584 wrote to memory of 1484	1584	51cd4ea4c20552f51824b13af3a93360.exe	mobsync.exe
PID 1584 wrote to memory of 1484	1584	51cd4ea4c20552f51824b13af3a93360.exe	mobsync.exe
PID 1584 wrote to memory of 1484	1584	51cd4ea4c20552f51824b13af3a93360.exe	mobsync.exe
PID 1584 wrote to memory of 1484	1584	51cd4ea4c20552f51824b13af3a93360.exe	mobsync.exe
PID 1584 wrote to memory of 1484	1584	51cd4ea4c20552f51824b13af3a93360.exe	mobsync.exe
PID 1584 wrote to memory of 1484	1584	51cd4ea4c20552f51824b13af3a93360.exe	mobsync.exe
PID 1584 wrote to memory of 1484	1584	51cd4ea4c20552f51824b13af3a93360.exe	mobsync.exe
PID 1584 wrote to memory of 1608	1584	51cd4ea4c20552f51824b13af3a93360.exe	cmd.exe
PID 1584 wrote to memory of 1608	1584	51cd4ea4c20552f51824b13af3a93360.exe	cmd.exe
PID 1584 wrote to memory of 1608	1584	51cd4ea4c20552f51824b13af3a93360.exe	cmd.exe
PID 1584 wrote to memory of 1608	1584	51cd4ea4c20552f51824b13af3a93360.exe	cmd.exe
PID 1608 wrote to memory of 1200	1608	cmd.exe	cmd.exe
PID 1608 wrote to memory of 1200	1608	cmd.exe	cmd.exe
PID 1608 wrote to memory of 1200	1608	cmd.exe	cmd.exe
PID 1608 wrote to memory of 1200	1608	cmd.exe	cmd.exe
PID 1200 wrote to memory of 840	1200	cmd.exe	reg.exe
PID 1200 wrote to memory of 840	1200	cmd.exe	reg.exe
PID 1200 wrote to memory of 840	1200	cmd.exe	reg.exe
PID 1200 wrote to memory of 840	1200	cmd.exe	reg.exe
PID 1200 wrote to memory of 1064	1200	cmd.exe	reg.exe
PID 1200 wrote to memory of 1064	1200	cmd.exe	reg.exe
PID 1200 wrote to memory of 1064	1200	cmd.exe	reg.exe
PID 1200 wrote to memory of 1064	1200	cmd.exe	reg.exe
PID 1200 wrote to memory of 1604	1200	cmd.exe	schtasks.exe
PID 1200 wrote to memory of 1604	1200	cmd.exe	schtasks.exe
PID 1200 wrote to memory of 1604	1200	cmd.exe	schtasks.exe
PID 1200 wrote to memory of 1604	1200	cmd.exe	schtasks.exe
PID 1352 wrote to memory of 1964	1352	Explorer.EXE	help.exe
PID 1352 wrote to memory of 1964	1352	Explorer.EXE	help.exe
PID 1352 wrote to memory of 1964	1352	Explorer.EXE	help.exe
PID 1352 wrote to memory of 1964	1352	Explorer.EXE	help.exe
PID 1964 wrote to memory of 1896	1964	help.exe	cmd.exe
PID 1964 wrote to memory of 1896	1964	help.exe	cmd.exe
PID 1964 wrote to memory of 1896	1964	help.exe	cmd.exe
PID 1964 wrote to memory of 1896	1964	help.exe	cmd.exe
PID 1584 wrote to memory of 336	1584	51cd4ea4c20552f51824b13af3a93360.exe	cmd.exe
PID 1584 wrote to memory of 336	1584	51cd4ea4c20552f51824b13af3a93360.exe	cmd.exe
PID 1584 wrote to memory of 336	1584	51cd4ea4c20552f51824b13af3a93360.exe	cmd.exe
PID 1584 wrote to memory of 336	1584	51cd4ea4c20552f51824b13af3a93360.exe	cmd.exe
PID 336 wrote to memory of 1516	336	cmd.exe	reg.exe
PID 336 wrote to memory of 1516	336	cmd.exe	reg.exe
PID 336 wrote to memory of 1516	336	cmd.exe	reg.exe
PID 336 wrote to memory of 1516	336	cmd.exe	reg.exe
PID 1964 wrote to memory of 1972	1964	help.exe	Firefox.exe
PID 1964 wrote to memory of 1972	1964	help.exe	Firefox.exe
PID 1964 wrote to memory of 1972	1964	help.exe	Firefox.exe
PID 1964 wrote to memory of 1972	1964	help.exe	Firefox.exe
PID 1964 wrote to memory of 1972	1964	help.exe	Firefox.exe
PID 1352 wrote to memory of 1824	1352	Explorer.EXE	certmgrypt0a.exe
PID 1352 wrote to memory of 1824	1352	Explorer.EXE	certmgrypt0a.exe
PID 1352 wrote to memory of 1824	1352	Explorer.EXE	certmgrypt0a.exe
PID 1352 wrote to memory of 1824	1352	Explorer.EXE	certmgrypt0a.exe

C:\Users\Admin\AppData\Local\Temp\51cd4ea4c20552f51824b13af3a93360.exe
"C:\Users\Admin\AppData\Local\Temp\51cd4ea4c20552f51824b13af3a93360.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1584

C:\Windows\SysWOW64\mobsync.exe
C:\Windows\System32\mobsync.exe
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1484

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Public\Trast.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
3⤵
- Suspicious use of WriteProcessMemory
PID:1200

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
4⤵
- Modifies registry key
PID:840

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:1064

C:\Windows\SysWOW64\schtasks.exe
schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
4⤵
PID:1604

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Public\nest.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:336

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
3⤵
- Modifies registry key
PID:1516

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1352

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.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:1964

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\mobsync.exe"
3⤵
PID:1896

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1972

C:\Program Files (x86)\Qqpg4a\certmgrypt0a.exe
"C:\Program Files (x86)\Qqpg4a\certmgrypt0a.exe"
2⤵
- Executes dropped EXE
PID:1824

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
1⤵
PID:668

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

4

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\Qqpg4a\certmgrypt0a.exe
MD5
cca67bd391cfc9f036323b2522887a6a

SHA1
02a887df2f485a19a051af0f3d01dac006dd9a83

SHA256
79f5bc1ad13a5575a52d39a000d0873b31865659b5efc66a7fef5e43e54c38b9

SHA512
964fd8659f8a1f2043ee91245755bd7c053c95f2253de8887d9761aaaaad5c3626e0575340af2461a0827497a76741d070ca23953361af990ab13eaa6e958d95

Download Submit
C:\Program Files (x86)\Qqpg4a\certmgrypt0a.exe
MD5
cca67bd391cfc9f036323b2522887a6a

SHA1
02a887df2f485a19a051af0f3d01dac006dd9a83

SHA256
79f5bc1ad13a5575a52d39a000d0873b31865659b5efc66a7fef5e43e54c38b9

SHA512
964fd8659f8a1f2043ee91245755bd7c053c95f2253de8887d9761aaaaad5c3626e0575340af2461a0827497a76741d070ca23953361af990ab13eaa6e958d95

Download Submit
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/336-82-0x0000000000000000-mapping.dmp

Download
memory/840-67-0x0000000000000000-mapping.dmp

Download
memory/1064-68-0x0000000000000000-mapping.dmp

Download
memory/1200-65-0x0000000000000000-mapping.dmp

Download
memory/1352-75-0x0000000006B50000-0x0000000006CD4000-memory.dmp

Filesize
1.5MB

Download
memory/1352-85-0x0000000006E00000-0x0000000006F00000-memory.dmp

Filesize
1024KB

Download
memory/1484-59-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/1484-72-0x0000000072480000-0x00000000724A9000-memory.dmp

Filesize
164KB

Download
memory/1484-71-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/1484-73-0x0000000000B60000-0x0000000000E63000-memory.dmp

Filesize
3.0MB

Download
memory/1484-74-0x0000000000280000-0x0000000000291000-memory.dmp

Filesize
68KB

Download
memory/1484-61-0x0000000000000000-mapping.dmp

Download
memory/1484-58-0x0000000072480000-0x00000000724A9000-memory.dmp

Filesize
164KB

Download
memory/1516-84-0x0000000000000000-mapping.dmp

Download
memory/1584-55-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1584-56-0x0000000000261000-0x0000000000275000-memory.dmp

Filesize
80KB

Download
memory/1584-57-0x0000000075D31000-0x0000000075D33000-memory.dmp

Filesize
8KB

Download
memory/1604-69-0x0000000000000000-mapping.dmp

Download
memory/1608-63-0x0000000000000000-mapping.dmp

Download
memory/1824-87-0x0000000000000000-mapping.dmp

Download
memory/1824-90-0x0000000072E21000-0x0000000072E23000-memory.dmp

Filesize
8KB

Download
memory/1896-77-0x0000000000000000-mapping.dmp

Download
memory/1964-81-0x00000000005D0000-0x0000000000660000-memory.dmp

Filesize
576KB

Download
memory/1964-78-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download
memory/1964-80-0x00000000008B0000-0x0000000000BB3000-memory.dmp

Filesize
3.0MB

Download
memory/1964-79-0x0000000000130000-0x0000000000159000-memory.dmp

Filesize
164KB

Download
memory/1964-76-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads