formbook | d0c4b010eecae238f6a05c323b4d0abfa849961749778c0fd2d509729384c2e7

General

Target

6.exe
Size

790KB
MD5

52ce14f55c18fd95b2c9719fe2daefe9
SHA1

73f7d06dae400adbf84342263a2705d55b1a1b4d
SHA256

d0c4b010eecae238f6a05c323b4d0abfa849961749778c0fd2d509729384c2e7
SHA512

347b4e4f71fb45511601c44445ced98ebaef20f31c94ee870b3d4aaeb3639155ee23f3064d36e35af0d6474405abaf78541f7e8df5f380720919a9794f6cf087

Score

10^/10

formbook n7ak persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

C2

http://www.kmresults.com/n7ak/

Decoy

modischoolcbse.com

theneverwinter.com

rszkjx-vps-hosting.website

fnihil.com

1pbet.com

nnowzscorrez.com

uaotgvjl.icu

starmapsqatar.com

ekisilani.com

extradeepsheets.com

jam-nins.com

buranly.com

orixentertainment.com

rawtech.energy

myol.guru

utex.club

jiapie.com

wowig.store

wweidlyyl.com

systaskautomation.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1660-61-0x0000000000000000-mapping.dmp	formbook
behavioral1/memory/1660-63-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral1/memory/1888-71-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

6.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dmxioyas = "C:\\Users\\Admin\\sayoixmD.url"	6.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

logagent.execmd.exe

description	pid	process	target process
PID 1660 set thread context of 1388	1660	logagent.exe	Explorer.EXE
PID 1888 set thread context of 1388	1888	cmd.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

logagent.execmd.exe

pid	process
1660	logagent.exe
1660	logagent.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe
1888	cmd.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

logagent.execmd.exe

pid process

1660 logagent.exe
1660 logagent.exe
1660 logagent.exe
1888 cmd.exe
1888 cmd.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

logagent.execmd.exe

description pid process

Token: SeDebugPrivilege 1660 logagent.exe
Token: SeDebugPrivilege 1888 cmd.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1388 Explorer.EXE
1388 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1388 Explorer.EXE
1388 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1660	logagent.exe
Token: SeDebugPrivilege	1888	cmd.exe

pid	process
1388	Explorer.EXE
1388	Explorer.EXE

pid	process
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

6.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 960 wrote to memory of 1660	960	6.exe	logagent.exe
PID 960 wrote to memory of 1660	960	6.exe	logagent.exe
PID 960 wrote to memory of 1660	960	6.exe	logagent.exe
PID 960 wrote to memory of 1660	960	6.exe	logagent.exe
PID 960 wrote to memory of 1660	960	6.exe	logagent.exe
PID 960 wrote to memory of 1660	960	6.exe	logagent.exe
PID 960 wrote to memory of 1660	960	6.exe	logagent.exe
PID 1388 wrote to memory of 1888	1388	Explorer.EXE	cmd.exe
PID 1388 wrote to memory of 1888	1388	Explorer.EXE	cmd.exe
PID 1388 wrote to memory of 1888	1388	Explorer.EXE	cmd.exe
PID 1388 wrote to memory of 1888	1388	Explorer.EXE	cmd.exe
PID 1888 wrote to memory of 2040	1888	cmd.exe	cmd.exe
PID 1888 wrote to memory of 2040	1888	cmd.exe	cmd.exe
PID 1888 wrote to memory of 2040	1888	cmd.exe	cmd.exe
PID 1888 wrote to memory of 2040	1888	cmd.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1388

C:\Users\Admin\AppData\Local\Temp\6.exe
"C:\Users\Admin\AppData\Local\Temp\6.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:960

C:\Windows\SysWOW64\logagent.exe
C:\Windows\System32\logagent.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1660

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\SysWOW64\cmd.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1888

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\logagent.exe"
3⤵
PID:2040

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

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/960-55-0x0000000075851000-0x0000000075853000-memory.dmp

Filesize
8KB

Download
memory/960-56-0x00000000002D1000-0x00000000002E5000-memory.dmp

Filesize
80KB

Download
memory/960-57-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1388-74-0x0000000007A60000-0x0000000007BC8000-memory.dmp

Filesize
1.4MB

Download
memory/1388-67-0x0000000006F40000-0x0000000007089000-memory.dmp

Filesize
1.3MB

Download
memory/1660-64-0x00000000021A0000-0x00000000024A3000-memory.dmp

Filesize
3.0MB

Download
memory/1660-62-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download
memory/1660-63-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/1660-61-0x0000000000000000-mapping.dmp

Download
memory/1660-66-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/1660-59-0x00000000000A0000-0x00000000000A1000-memory.dmp

Filesize
4KB

Download
memory/1660-58-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/1888-68-0x0000000000000000-mapping.dmp

Download
memory/1888-70-0x000000004AA20000-0x000000004AA6C000-memory.dmp

Filesize
304KB

Download
memory/1888-71-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/1888-72-0x0000000001F30000-0x0000000002233000-memory.dmp

Filesize
3.0MB

Download
memory/1888-73-0x0000000001E40000-0x0000000001ED3000-memory.dmp

Filesize
588KB

Download
memory/2040-69-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads