formbook | c765588034bd272b0ff08491d8b477776e4e284c37abcc9a8b7ae08acf0b4fb1

General

Target

download.dat.exe
Size

182KB
MD5

124416d2b956cf91c800dc8d94e696b4
SHA1

d10ceb17baac1cd703f84903c159e19cc33f7357
SHA256

c765588034bd272b0ff08491d8b477776e4e284c37abcc9a8b7ae08acf0b4fb1
SHA512

082aa13db5f569b6dec46faad7bd88d20a9de447831b99512496b2013ff1b478401ed9640948982c875544d0135e56b034505eb5cdef8829018934e1fc004e59

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.familyof2.com/p3c/

Decoy

scsykt.com

333999dy.com

soaringhood.net

thejaxstar.com

sakura-wedding.com

ussalesmarketing.com

mathworksheetsforkids.net

bestchinesefoods.com

theparkchi.com

cb6333.com

xldd0817nt15vkr6.xyz

joyousheartphotography.com

kittylol.com

caufooding.com

pippamalmgren.life

saveitall.today

connect-clarity.info

smartestgift.com

nilshana.com

arkpropertysolutions.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook Payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1780-8-0x0000000000090000-0x00000000000BE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1596 cmd.exe

pid	process
1596	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

download.dat.exemsiexec.exe

description	pid	process	target process
PID 1184 set thread context of 1256	1184	download.dat.exe	Explorer.EXE
PID 1780 set thread context of 1256	1780	msiexec.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

download.dat.exemsiexec.exe

pid	process
1184	download.dat.exe
1184	download.dat.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe
1780	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

download.dat.exemsiexec.exe

pid process

1184 download.dat.exe
1184 download.dat.exe
1184 download.dat.exe
1780 msiexec.exe
1780 msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

download.dat.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 1184 download.dat.exe
Token: SeDebugPrivilege 1780 msiexec.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1184	download.dat.exe
Token: SeDebugPrivilege	1780	msiexec.exe

pid	process
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE

pid	process
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Explorer.EXEmsiexec.exe

description	pid	process	target process
PID 1256 wrote to memory of 1780	1256	Explorer.EXE	msiexec.exe
PID 1256 wrote to memory of 1780	1256	Explorer.EXE	msiexec.exe
PID 1256 wrote to memory of 1780	1256	Explorer.EXE	msiexec.exe
PID 1256 wrote to memory of 1780	1256	Explorer.EXE	msiexec.exe
PID 1256 wrote to memory of 1780	1256	Explorer.EXE	msiexec.exe
PID 1256 wrote to memory of 1780	1256	Explorer.EXE	msiexec.exe
PID 1256 wrote to memory of 1780	1256	Explorer.EXE	msiexec.exe
PID 1780 wrote to memory of 1596	1780	msiexec.exe	cmd.exe
PID 1780 wrote to memory of 1596	1780	msiexec.exe	cmd.exe
PID 1780 wrote to memory of 1596	1780	msiexec.exe	cmd.exe
PID 1780 wrote to memory of 1596	1780	msiexec.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:1256

C:\Users\Admin\AppData\Local\Temp\download.dat.exe
"C:\Users\Admin\AppData\Local\Temp\download.dat.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1184

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1780

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\download.dat.exe"
3⤵
- Deletes itself
PID:1596

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1184-2-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/1184-3-0x0000000000130000-0x0000000000144000-memory.dmp

Filesize
80KB

Download
memory/1256-4-0x0000000006F50000-0x00000000070F9000-memory.dmp

Filesize
1.7MB

Download
memory/1256-12-0x0000000002B20000-0x0000000002BE2000-memory.dmp

Filesize
776KB

Download
memory/1596-10-0x0000000000000000-mapping.dmp

Download
memory/1780-5-0x0000000000000000-mapping.dmp

Download
memory/1780-6-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/1780-7-0x0000000000CF0000-0x0000000000D04000-memory.dmp

Filesize
80KB

Download
memory/1780-8-0x0000000000090000-0x00000000000BE000-memory.dmp

Filesize
184KB

Download
memory/1780-9-0x00000000022A0000-0x00000000025A3000-memory.dmp

Filesize
3.0MB

Download
memory/1780-11-0x0000000000B90000-0x0000000000C23000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads