formbook | aa605f7e6a23b17090604ec107d82f01ab49221b590f8b966d2906bbf0a0214f

General

Target

K.exe
Size

723KB
MD5

de5ca69a7939c4a8ce6846463990aa7b
SHA1

358c3f58194ccc713f000e194024b817f6cb5320
SHA256

5bc9d0c8fd02f1c138178b1291378304a653717076f9e12ba4334609dcf7b11c
SHA512

827bb09597d0226e27e2740886993593d7565d1bb5d130ee46bd87c6663f1cb60ac369a3272675fad8c8d8789e3b6aaf822ef13bcdf89cf821830ce795a7f7c6

Score

10^/10

formbook xloader t75f loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

t75f

C2

http://www.vertexnailsblaine.com/t75f/

Decoy

onegolfsydney.com

kaizensportscoaching.com

mliacbjv.icu

rinstech.net

midas-parts.com

istmenian.com

ibrahimpike.com

herbspaces.com

gentleman4higher.com

workabusiness.com

isabusive.website

222555dy.com

lwhyzhzb.xyz

gabrielabravoillanes.com

hearthomelife.com

buildswealth.com

printitaz.com

l-mventures.com

baincot3.com

nstaq-labs.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/1512-59-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1512-60-0x000000000041D110-mapping.dmp	xloader
behavioral1/memory/980-67-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

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\0FDXY = "C:\\Program Files (x86)\\Jbdm\\msopx08.exe"	systray.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

K.exeRegSvcs.exesystray.exe

description	pid	process	target process
PID 1960 set thread context of 1512	1960	K.exe	RegSvcs.exe
PID 1512 set thread context of 1284	1512	RegSvcs.exe	Explorer.EXE
PID 980 set thread context of 1284	980	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)\Jbdm\msopx08.exe systray.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Jbdm\msopx08.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-1-5-21-1669990088-476967504-438132596-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	systray.exe

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

K.exeRegSvcs.exesystray.exe

pid	process
1960	K.exe
1960	K.exe
1512	RegSvcs.exe
1512	RegSvcs.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe
980	systray.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1284 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

RegSvcs.exesystray.exe

pid process

1512 RegSvcs.exe
1512 RegSvcs.exe
1512 RegSvcs.exe
980 systray.exe
980 systray.exe
980 systray.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

K.exeRegSvcs.exesystray.exe

description pid process

Token: SeDebugPrivilege 1960 K.exe
Token: SeDebugPrivilege 1512 RegSvcs.exe
Token: SeDebugPrivilege 980 systray.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1284 Explorer.EXE
1284 Explorer.EXE
1284 Explorer.EXE
1284 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1284 Explorer.EXE
1284 Explorer.EXE
1284 Explorer.EXE
1284 Explorer.EXE

pid	process
1284	Explorer.EXE

pid	process
1512	RegSvcs.exe
1512	RegSvcs.exe
1512	RegSvcs.exe
980	systray.exe
980	systray.exe
980	systray.exe

description	pid	process
Token: SeDebugPrivilege	1960	K.exe
Token: SeDebugPrivilege	1512	RegSvcs.exe
Token: SeDebugPrivilege	980	systray.exe

pid	process
1284	Explorer.EXE
1284	Explorer.EXE
1284	Explorer.EXE
1284	Explorer.EXE

pid	process
1284	Explorer.EXE
1284	Explorer.EXE
1284	Explorer.EXE
1284	Explorer.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

K.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 1960 wrote to memory of 1512	1960	K.exe	RegSvcs.exe
PID 1960 wrote to memory of 1512	1960	K.exe	RegSvcs.exe
PID 1960 wrote to memory of 1512	1960	K.exe	RegSvcs.exe
PID 1960 wrote to memory of 1512	1960	K.exe	RegSvcs.exe
PID 1960 wrote to memory of 1512	1960	K.exe	RegSvcs.exe
PID 1960 wrote to memory of 1512	1960	K.exe	RegSvcs.exe
PID 1960 wrote to memory of 1512	1960	K.exe	RegSvcs.exe
PID 1960 wrote to memory of 1512	1960	K.exe	RegSvcs.exe
PID 1960 wrote to memory of 1512	1960	K.exe	RegSvcs.exe
PID 1960 wrote to memory of 1512	1960	K.exe	RegSvcs.exe
PID 1284 wrote to memory of 980	1284	Explorer.EXE	systray.exe
PID 1284 wrote to memory of 980	1284	Explorer.EXE	systray.exe
PID 1284 wrote to memory of 980	1284	Explorer.EXE	systray.exe
PID 1284 wrote to memory of 980	1284	Explorer.EXE	systray.exe
PID 980 wrote to memory of 864	980	systray.exe	cmd.exe
PID 980 wrote to memory of 864	980	systray.exe	cmd.exe
PID 980 wrote to memory of 864	980	systray.exe	cmd.exe
PID 980 wrote to memory of 864	980	systray.exe	cmd.exe
PID 980 wrote to memory of 1908	980	systray.exe	Firefox.exe
PID 980 wrote to memory of 1908	980	systray.exe	Firefox.exe
PID 980 wrote to memory of 1908	980	systray.exe	Firefox.exe
PID 980 wrote to memory of 1908	980	systray.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1284

C:\Users\Admin\AppData\Local\Temp\K.exe
"C:\Users\Admin\AppData\Local\Temp\K.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1512

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:980

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:864

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1908

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

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/864-65-0x0000000000000000-mapping.dmp

Download
memory/980-71-0x0000000075C11000-0x0000000075C13000-memory.dmp

Filesize
8KB

Download
memory/980-69-0x0000000000670000-0x00000000006FF000-memory.dmp

Filesize
572KB

Download
memory/980-68-0x0000000001FC0000-0x00000000022C3000-memory.dmp

Filesize
3.0MB

Download
memory/980-67-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/980-66-0x00000000005A0000-0x00000000005A5000-memory.dmp

Filesize
20KB

Download
memory/980-64-0x0000000000000000-mapping.dmp

Download
memory/1284-63-0x0000000004E30000-0x0000000004EFB000-memory.dmp

Filesize
812KB

Download
memory/1284-70-0x0000000004FC0000-0x00000000050E8000-memory.dmp

Filesize
1.2MB

Download
memory/1512-62-0x0000000000140000-0x0000000000150000-memory.dmp

Filesize
64KB

Download
memory/1512-61-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/1512-60-0x000000000041D110-mapping.dmp

Download
memory/1512-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1960-53-0x00000000010F0000-0x00000000010F1000-memory.dmp

Filesize
4KB

Download
memory/1960-58-0x0000000000300000-0x000000000032A000-memory.dmp

Filesize
168KB

Download
memory/1960-57-0x0000000000A90000-0x0000000000AF0000-memory.dmp

Filesize
384KB

Download
memory/1960-56-0x0000000000960000-0x0000000000976000-memory.dmp

Filesize
88KB

Download
memory/1960-55-0x0000000007130000-0x0000000007131000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads