formbook | b6788527f99a436b0e8925eb14c8800ced61fd406edd4182aa00072b3f74f39e

General

Target

Orden de compra.exe
Size

702KB
MD5

ecd71709287a9ff558013bee1575c5bc
SHA1

e81ef75586e2b391ade4cbb62d60aa50cf00c964
SHA256

b6788527f99a436b0e8925eb14c8800ced61fd406edd4182aa00072b3f74f39e
SHA512

3dfddac63d09b61c702d4d7ee615f85a49683b1610eac36625419116381d68f899d652dea942f2d362aae621d9705ec4557827903d0d6d398a056b3754c7019c

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/1116-116-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/1116-118-0x0000000010410000-0x000000001043E000-memory.dmp	formbook
behavioral2/memory/1212-126-0x0000000000540000-0x000000000056E000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

mobsync.exemsiexec.exe

description	pid	process	target process
PID 1116 set thread context of 2428	1116	mobsync.exe	Explorer.EXE
PID 1212 set thread context of 2428	1212	msiexec.exe	Explorer.EXE

Modifies registry class 2 IoCs

Processes:

Explorer.EXE

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

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

mobsync.exemsiexec.exe

pid	process
1116	mobsync.exe
1116	mobsync.exe
1116	mobsync.exe
1116	mobsync.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe
1212	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2428 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

mobsync.exemsiexec.exe

pid process

1116 mobsync.exe
1116 mobsync.exe
1116 mobsync.exe
1212 msiexec.exe
1212 msiexec.exe

pid	process
2428	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 20 IoCs

Processes:

mobsync.exemsiexec.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1116	mobsync.exe
Token: SeDebugPrivilege	1212	msiexec.exe
Token: SeShutdownPrivilege	2428	Explorer.EXE
Token: SeCreatePagefilePrivilege	2428	Explorer.EXE
Token: SeShutdownPrivilege	2428	Explorer.EXE
Token: SeCreatePagefilePrivilege	2428	Explorer.EXE
Token: SeShutdownPrivilege	2428	Explorer.EXE
Token: SeCreatePagefilePrivilege	2428	Explorer.EXE
Token: SeShutdownPrivilege	2428	Explorer.EXE
Token: SeCreatePagefilePrivilege	2428	Explorer.EXE
Token: SeShutdownPrivilege	2428	Explorer.EXE
Token: SeCreatePagefilePrivilege	2428	Explorer.EXE
Token: SeShutdownPrivilege	2428	Explorer.EXE
Token: SeCreatePagefilePrivilege	2428	Explorer.EXE
Token: SeShutdownPrivilege	2428	Explorer.EXE
Token: SeCreatePagefilePrivilege	2428	Explorer.EXE
Token: SeShutdownPrivilege	2428	Explorer.EXE
Token: SeCreatePagefilePrivilege	2428	Explorer.EXE
Token: SeShutdownPrivilege	2428	Explorer.EXE
Token: SeCreatePagefilePrivilege	2428	Explorer.EXE

Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

Explorer.EXE

pid process

2428 Explorer.EXE
2428 Explorer.EXE
2428 Explorer.EXE
2428 Explorer.EXE
2428 Explorer.EXE
2428 Explorer.EXE
2428 Explorer.EXE
2428 Explorer.EXE

pid	process
2428	Explorer.EXE
2428	Explorer.EXE
2428	Explorer.EXE
2428	Explorer.EXE
2428	Explorer.EXE
2428	Explorer.EXE
2428	Explorer.EXE
2428	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Orden de compra.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 632 wrote to memory of 1116	632	Orden de compra.exe	mobsync.exe
PID 632 wrote to memory of 1116	632	Orden de compra.exe	mobsync.exe
PID 632 wrote to memory of 1116	632	Orden de compra.exe	mobsync.exe
PID 632 wrote to memory of 1116	632	Orden de compra.exe	mobsync.exe
PID 632 wrote to memory of 1116	632	Orden de compra.exe	mobsync.exe
PID 632 wrote to memory of 1116	632	Orden de compra.exe	mobsync.exe
PID 2428 wrote to memory of 1212	2428	Explorer.EXE	msiexec.exe
PID 2428 wrote to memory of 1212	2428	Explorer.EXE	msiexec.exe
PID 2428 wrote to memory of 1212	2428	Explorer.EXE	msiexec.exe
PID 1212 wrote to memory of 2340	1212	msiexec.exe	cmd.exe
PID 1212 wrote to memory of 2340	1212	msiexec.exe	cmd.exe
PID 1212 wrote to memory of 2340	1212	msiexec.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 WriteProcessMemory
PID:2428

C:\Users\Admin\AppData\Local\Temp\Orden de compra.exe
"C:\Users\Admin\AppData\Local\Temp\Orden de compra.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:632

C:\Windows\SysWOW64\mobsync.exe
mobsync.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1116

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:1212

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\mobsync.exe"
3⤵
PID:2340

Network

MITRE ATT&CK Matrix

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Downloads

memory/632-114-0x0000000000540000-0x000000000068A000-memory.dmp

Filesize
1.3MB

Download
memory/1116-116-0x0000000000000000-mapping.dmp

Download
memory/1116-118-0x0000000010410000-0x000000001043E000-memory.dmp

Filesize
184KB

Download
memory/1116-117-0x0000000000B20000-0x0000000000B21000-memory.dmp

Filesize
4KB

Download
memory/1116-119-0x0000000004CB0000-0x0000000004FD0000-memory.dmp

Filesize
3.1MB

Download
memory/1116-120-0x0000000001110000-0x0000000001124000-memory.dmp

Filesize
80KB

Download
memory/1212-125-0x0000000000870000-0x0000000000882000-memory.dmp

Filesize
72KB

Download
memory/1212-122-0x0000000000000000-mapping.dmp

Download
memory/1212-126-0x0000000000540000-0x000000000056E000-memory.dmp

Filesize
184KB

Download
memory/1212-128-0x0000000004650000-0x0000000004970000-memory.dmp

Filesize
3.1MB

Download
memory/1212-129-0x00000000044B0000-0x0000000004543000-memory.dmp

Filesize
588KB

Download
memory/2340-127-0x0000000000000000-mapping.dmp

Download
memory/2428-121-0x0000000000410000-0x00000000004CE000-memory.dmp

Filesize
760KB

Download
memory/2428-130-0x0000000005E10000-0x0000000005F9C000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads