formbook | 8b516901a17ec32794de8c3577cba8cdcc9e85577a5d2e8a244cd202b5b01cc7

General

Target

Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe
Size

814KB
MD5

717297fec68e9172593a36a67549619f
SHA1

73e8625983cb413b91b608db347177584c680a22
SHA256

4d80ab79360b092bb5d8fa41d14388dffe5ef42839b6dbbf741f0ce5c3424d1e
SHA512

3f363a8b8971d843f7c158b3dc76de854895a76fe0e4a6dbb6b40b650d0cec760bea15179128e52fed044e2cee6964f2b70db5abf253e873feb327d6b99ba7df

Score

10^/10

formbook 3nop rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

C2

http://www.jakesplacebarbers.com/3nop/

Decoy

videohm.com

panache-rose.com

alnooncars-kw.com

trueblue2u.com

brussels-cafe.com

ip2c.net

influenzerr.com

rbcoq.com

zzful.com

drainthe.com

sumaholesson.com

cursosaprovados.com

genotecinc.com

dbrulhart.com

theapiarystudios.com

kensyu-kan.com

dkku88.com

tikhyper.com

aztecnort.com

homebrim.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
behavioral2/memory/2616-118-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/2616-120-0x0000000010410000-0x000000001043E000-memory.dmp	formbook
behavioral2/memory/2912-126-0x0000000002FA0000-0x0000000002FCE000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

secinit.exeipconfig.exe

description	pid	process	target process
PID 2616 set thread context of 3056	2616	secinit.exe	Explorer.EXE
PID 2912 set thread context of 3056	2912	ipconfig.exe	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

2912 ipconfig.exe

pid	process
2912	ipconfig.exe

Modifies registry class 2 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes:

secinit.exeipconfig.exe

pid	process
2616	secinit.exe
2616	secinit.exe
2616	secinit.exe
2616	secinit.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe
2912	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3056 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

secinit.exeipconfig.exe

pid process

2616 secinit.exe
2616 secinit.exe
2616 secinit.exe
2912 ipconfig.exe
2912 ipconfig.exe

pid	process
3056	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

secinit.exeExplorer.EXEipconfig.exe

description	pid	process
Token: SeDebugPrivilege	2616	secinit.exe
Token: SeShutdownPrivilege	3056	Explorer.EXE
Token: SeCreatePagefilePrivilege	3056	Explorer.EXE
Token: SeShutdownPrivilege	3056	Explorer.EXE
Token: SeCreatePagefilePrivilege	3056	Explorer.EXE
Token: SeDebugPrivilege	2912	ipconfig.exe

Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

Explorer.EXE

pid process

3056 Explorer.EXE
3056 Explorer.EXE
3056 Explorer.EXE
3056 Explorer.EXE
3056 Explorer.EXE
3056 Explorer.EXE
3056 Explorer.EXE
3056 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3056 Explorer.EXE

pid	process
3056	Explorer.EXE
3056	Explorer.EXE
3056	Explorer.EXE
3056	Explorer.EXE
3056	Explorer.EXE
3056	Explorer.EXE
3056	Explorer.EXE
3056	Explorer.EXE

pid	process
3056	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 808 wrote to memory of 2616	808	Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe	secinit.exe
PID 808 wrote to memory of 2616	808	Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe	secinit.exe
PID 808 wrote to memory of 2616	808	Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe	secinit.exe
PID 808 wrote to memory of 2616	808	Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe	secinit.exe
PID 808 wrote to memory of 2616	808	Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe	secinit.exe
PID 808 wrote to memory of 2616	808	Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe	secinit.exe
PID 3056 wrote to memory of 2912	3056	Explorer.EXE	ipconfig.exe
PID 3056 wrote to memory of 2912	3056	Explorer.EXE	ipconfig.exe
PID 3056 wrote to memory of 2912	3056	Explorer.EXE	ipconfig.exe
PID 2912 wrote to memory of 3892	2912	ipconfig.exe	cmd.exe
PID 2912 wrote to memory of 3892	2912	ipconfig.exe	cmd.exe
PID 2912 wrote to memory of 3892	2912	ipconfig.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3056

C:\Users\Admin\AppData\Local\Temp\Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe
"C:\Users\Admin\AppData\Local\Temp\Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\SysWOW64\secinit.exe
C:\Windows\System32\secinit.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2616

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2912

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\secinit.exe"
3⤵
PID:3892

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/808-114-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/2616-118-0x0000000000000000-mapping.dmp

Download
memory/2616-120-0x0000000010410000-0x000000001043E000-memory.dmp

Filesize
184KB

Download
memory/2616-119-0x0000000001220000-0x0000000001221000-memory.dmp

Filesize
4KB

Download
memory/2616-121-0x0000000005190000-0x00000000054B0000-memory.dmp

Filesize
3.1MB

Download
memory/2616-122-0x00000000050F0000-0x0000000005104000-memory.dmp

Filesize
80KB

Download
memory/2912-125-0x0000000000B70000-0x0000000000B7B000-memory.dmp

Filesize
44KB

Download
memory/2912-124-0x0000000000000000-mapping.dmp

Download
memory/2912-126-0x0000000002FA0000-0x0000000002FCE000-memory.dmp

Filesize
184KB

Download
memory/2912-128-0x0000000003790000-0x0000000003AB0000-memory.dmp

Filesize
3.1MB

Download
memory/2912-129-0x00000000034F0000-0x0000000003583000-memory.dmp

Filesize
588KB

Download
memory/3056-123-0x00000000057D0000-0x0000000005943000-memory.dmp

Filesize
1.4MB

Download
memory/3056-130-0x0000000003290000-0x000000000333C000-memory.dmp

Filesize
688KB

Download
memory/3892-127-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads