formbook | 206f17d8a641d884bba4bf29413d8c11ececdc220a22777455b23f1cad77dd9d

General

Target

iY.exe
Size

1.1MB
MD5

d345b1de15380a01c02ae2ba9c941a42
SHA1

77390e269cee60467364dedcdc4b5156e634d6a8
SHA256

206f17d8a641d884bba4bf29413d8c11ececdc220a22777455b23f1cad77dd9d
SHA512

4bbb55cd1666dfe1bc13dd315efda50dc3d475fdd942f90834c6c7a61a089cf2d3f39997f249ede6593acc49c4ab1102e555eebec093ab38a95c7b09569fd6f2
SSDEEP

24576:zAHnh+eWsN3skA4RV1Hom2KXMmHaungmQu7/d+gIM5:+h+ZkldoPK8Yaun3/d/f

Score

10^/10

formbook ss63 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ss63

Decoy

catpig.xyz

chatladyanzensei7.site

onewayonepaydroptaxi.com

bima188.lol

wealth-km.online

seepao27200.top

6c958u9.lol

fbyu57ytsd.shop

baranetentegre.com

webaichimie.com

h3k38q2.lol

abicomsrl.com

338kp.vip

rescuecube.com

bubatz-t.com

psgluxuryapartments.com

goodfellowlawfirm.com

bais141.com

imingchu.com

ekzeanjfolzaks.top

Signatures

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

Formbook payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3080-11-0x00000000003C0000-0x00000000003EF000-memory.dmp	formbook
behavioral2/memory/3080-15-0x00000000003C0000-0x00000000003EF000-memory.dmp	formbook
behavioral2/memory/2580-20-0x0000000000650000-0x000000000067F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

iY.exesvchost.execmstp.exe

description	pid	process	target process
PID 1304 set thread context of 3080	1304	iY.exe	svchost.exe
PID 3080 set thread context of 3436	3080	svchost.exe	Explorer.EXE
PID 2580 set thread context of 3436	2580	cmstp.exe	Explorer.EXE

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4132 1304 WerFault.exe iY.exe

pid	pid_target	process	target process
4132	1304	WerFault.exe	iY.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.execmstp.exe

pid	process
3080	svchost.exe
3080	svchost.exe
3080	svchost.exe
3080	svchost.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe
2580	cmstp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

iY.exesvchost.execmstp.exe

pid process

1304 iY.exe
1304 iY.exe
3080 svchost.exe
3080 svchost.exe
3080 svchost.exe
2580 cmstp.exe
2580 cmstp.exe

pid	process
1304	iY.exe
1304	iY.exe
3080	svchost.exe
3080	svchost.exe
3080	svchost.exe
2580	cmstp.exe
2580	cmstp.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeExplorer.EXEcmstp.exe

description	pid	process
Token: SeDebugPrivilege	3080	svchost.exe
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeDebugPrivilege	2580	cmstp.exe

Suspicious use of FindShellTrayWindow 5 IoCs

Processes:

iY.exeExplorer.EXE

pid process

1304 iY.exe
1304 iY.exe
3436 Explorer.EXE
3436 Explorer.EXE
3436 Explorer.EXE
Suspicious use of SendNotifyMessage 5 IoCs

Processes:

iY.exeExplorer.EXE

pid process

1304 iY.exe
1304 iY.exe
3436 Explorer.EXE
3436 Explorer.EXE
3436 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3436 Explorer.EXE

pid	process
1304	iY.exe
1304	iY.exe
3436	Explorer.EXE
3436	Explorer.EXE
3436	Explorer.EXE

pid	process
1304	iY.exe
1304	iY.exe
3436	Explorer.EXE
3436	Explorer.EXE
3436	Explorer.EXE

pid	process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

iY.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 1304 wrote to memory of 3080	1304	iY.exe	svchost.exe
PID 1304 wrote to memory of 3080	1304	iY.exe	svchost.exe
PID 1304 wrote to memory of 3080	1304	iY.exe	svchost.exe
PID 1304 wrote to memory of 3080	1304	iY.exe	svchost.exe
PID 3436 wrote to memory of 2580	3436	Explorer.EXE	cmstp.exe
PID 3436 wrote to memory of 2580	3436	Explorer.EXE	cmstp.exe
PID 3436 wrote to memory of 2580	3436	Explorer.EXE	cmstp.exe
PID 2580 wrote to memory of 3244	2580	cmstp.exe	cmd.exe
PID 2580 wrote to memory of 3244	2580	cmstp.exe	cmd.exe
PID 2580 wrote to memory of 3244	2580	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3436

C:\Users\Admin\AppData\Local\Temp\iY.exe
"C:\Users\Admin\AppData\Local\Temp\iY.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1304

C:\Windows\SysWOW64\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\iY.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 700
3⤵
- Program crash
PID:4132

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2580

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\svchost.exe"
3⤵
PID:3244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1304 -ip 1304
1⤵
PID:1176

Network

MITRE ATT&CK Matrix

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Downloads

memory/1304-10-0x0000000003FF0000-0x0000000003FF4000-memory.dmp

Filesize
16KB

Download
memory/2580-18-0x0000000000700000-0x0000000000716000-memory.dmp

Filesize
88KB

Download
memory/2580-20-0x0000000000650000-0x000000000067F000-memory.dmp

Filesize
188KB

Download
memory/2580-19-0x0000000000700000-0x0000000000716000-memory.dmp

Filesize
88KB

Download
memory/3080-16-0x0000000000E70000-0x0000000000E85000-memory.dmp

Filesize
84KB

Download
memory/3080-15-0x00000000003C0000-0x00000000003EF000-memory.dmp

Filesize
188KB

Download
memory/3080-14-0x0000000001200000-0x000000000154A000-memory.dmp

Filesize
3.3MB

Download
memory/3080-11-0x00000000003C0000-0x00000000003EF000-memory.dmp

Filesize
188KB

Download
memory/3436-17-0x000000000A680000-0x000000000A7ED000-memory.dmp

Filesize
1.4MB

Download
memory/3436-22-0x000000000A680000-0x000000000A7ED000-memory.dmp

Filesize
1.4MB

Download
memory/3436-25-0x000000000A7F0000-0x000000000A92E000-memory.dmp

Filesize
1.2MB

Download
memory/3436-26-0x000000000A7F0000-0x000000000A92E000-memory.dmp

Filesize
1.2MB

Download
memory/3436-29-0x000000000A7F0000-0x000000000A92E000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads