formbook | 9598f7ebeef58e063e6e5de7da5ea2775991628d11c4fae3e3e2854fa22065eb

General

Target

bobb4567.exe
Size

245KB
MD5

90825728992d0ef937e2523370e34b31
SHA1

7b9a3d06e10d3ccb32a8be5a98ec253bbc0bdebf
SHA256

9598f7ebeef58e063e6e5de7da5ea2775991628d11c4fae3e3e2854fa22065eb
SHA512

dc180827a8ba8f24dbf20f38091e1bee6c96776399733bf6519e567c0072ae5907abeaeea5873630a4a9057ec34370bbee47042c7b7e5d4e143ac6cac105f370

Score

10^/10

formbook rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.bulverderoofing.com/lt0h/

Decoy

originalindigofurniture.co.uk

fl6588.com

acecademy.com

yaerofinerindalnalising.com

mendilovic.online

rishenght.com

famlees.com

myhomeofficemarket.com

bouquetarabia.com

chrisbani.com

freebandslegally.com

hernandezinsurancegroup.net

slicedandfresh.com

apnathikanas.com

chadhatesyou.com

ansilsas.com

in3development.com

nitiren.net

peespn.com

valengz.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

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1652-116-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/2752-122-0x0000000003080000-0x00000000030AE000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

bobb4567.exebobb4567.execmstp.exe

description	pid	process	target process
PID 3988 set thread context of 1652	3988	bobb4567.exe	bobb4567.exe
PID 1652 set thread context of 2832	1652	bobb4567.exe	Explorer.EXE
PID 2752 set thread context of 2832	2752	cmstp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

bobb4567.execmstp.exe

pid	process
1652	bobb4567.exe
1652	bobb4567.exe
1652	bobb4567.exe
1652	bobb4567.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe
2752	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2832 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

bobb4567.exebobb4567.execmstp.exe

pid process

3988 bobb4567.exe
1652 bobb4567.exe
1652 bobb4567.exe
1652 bobb4567.exe
2752 cmstp.exe
2752 cmstp.exe

pid	process
2832	Explorer.EXE

pid	process
3988	bobb4567.exe
1652	bobb4567.exe
1652	bobb4567.exe
1652	bobb4567.exe
2752	cmstp.exe
2752	cmstp.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

bobb4567.exeExplorer.EXEcmstp.exe

description	pid	process
Token: SeDebugPrivilege	1652	bobb4567.exe
Token: SeShutdownPrivilege	2832	Explorer.EXE
Token: SeCreatePagefilePrivilege	2832	Explorer.EXE
Token: SeShutdownPrivilege	2832	Explorer.EXE
Token: SeCreatePagefilePrivilege	2832	Explorer.EXE
Token: SeShutdownPrivilege	2832	Explorer.EXE
Token: SeCreatePagefilePrivilege	2832	Explorer.EXE
Token: SeShutdownPrivilege	2832	Explorer.EXE
Token: SeCreatePagefilePrivilege	2832	Explorer.EXE
Token: SeShutdownPrivilege	2832	Explorer.EXE
Token: SeCreatePagefilePrivilege	2832	Explorer.EXE
Token: SeShutdownPrivilege	2832	Explorer.EXE
Token: SeCreatePagefilePrivilege	2832	Explorer.EXE
Token: SeDebugPrivilege	2752	cmstp.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2832 Explorer.EXE

pid	process
2832	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

bobb4567.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 3988 wrote to memory of 1652	3988	bobb4567.exe	bobb4567.exe
PID 3988 wrote to memory of 1652	3988	bobb4567.exe	bobb4567.exe
PID 3988 wrote to memory of 1652	3988	bobb4567.exe	bobb4567.exe
PID 3988 wrote to memory of 1652	3988	bobb4567.exe	bobb4567.exe
PID 2832 wrote to memory of 2752	2832	Explorer.EXE	cmstp.exe
PID 2832 wrote to memory of 2752	2832	Explorer.EXE	cmstp.exe
PID 2832 wrote to memory of 2752	2832	Explorer.EXE	cmstp.exe
PID 2752 wrote to memory of 4076	2752	cmstp.exe	cmd.exe
PID 2752 wrote to memory of 4076	2752	cmstp.exe	cmd.exe
PID 2752 wrote to memory of 4076	2752	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2832

C:\Users\Admin\AppData\Local\Temp\bobb4567.exe
"C:\Users\Admin\AppData\Local\Temp\bobb4567.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3988

C:\Users\Admin\AppData\Local\Temp\bobb4567.exe
"C:\Users\Admin\AppData\Local\Temp\bobb4567.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1652

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:2752

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\bobb4567.exe"
3⤵
PID:4076

Network

MITRE ATT&CK Matrix

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Downloads

memory/1652-118-0x0000000000F60000-0x0000000000F74000-memory.dmp

Filesize
80KB

Download
memory/1652-114-0x000000000041EB60-mapping.dmp

Download
memory/1652-116-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1652-117-0x0000000001060000-0x0000000001380000-memory.dmp

Filesize
3.1MB

Download
memory/2752-120-0x0000000000000000-mapping.dmp

Download
memory/2752-121-0x00000000000F0000-0x0000000000106000-memory.dmp

Filesize
88KB

Download
memory/2752-122-0x0000000003080000-0x00000000030AE000-memory.dmp

Filesize
184KB

Download
memory/2752-123-0x0000000004630000-0x0000000004950000-memory.dmp

Filesize
3.1MB

Download
memory/2752-125-0x00000000049F0000-0x0000000004A83000-memory.dmp

Filesize
588KB

Download
memory/2832-119-0x00000000067D0000-0x0000000006942000-memory.dmp

Filesize
1.4MB

Download
memory/2832-126-0x0000000006950000-0x0000000006A60000-memory.dmp

Filesize
1.1MB

Download
memory/3988-115-0x0000000001030000-0x0000000001032000-memory.dmp

Filesize
8KB

Download
memory/4076-124-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads