formbook | b3592dda04b6002e7edf6dc1fd693ce34f0e592e305ed55b226d25a635033c33

General

Target

inquiry.exe
Size

763KB
MD5

b925e8efec4bb9d7aeb0942999de6d93
SHA1

f67ee80014f98136c12d2c72f155bd2371b9df84
SHA256

b3592dda04b6002e7edf6dc1fd693ce34f0e592e305ed55b226d25a635033c33
SHA512

c2bed2d02391da41f9210b51adaf4990e1a60140ad63d2de200ff62ab9dfe376aef89b2a33c1f0d6ee079eca3cb7f051deeed36adafde249987f730abe5989f7

Score

10^/10

formbook ja38 rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ja38

Decoy

check-info-asked.com

d1g1tal-loops.com

jouw-server.online

xn--9l4b93h4ub.com

jju21.com

johndivine.com

boardinghouses.net

evergreeneq.com

lovemya.xyz

szovegmuhely.com

worldwidedatazehn.net

hollandmulchus.com

mhcbrokers.com

brainwellnesssolutions.com

creatioconsultants.com

troyleedesign.store

hayebenefits.com

atom-ontherox.com

pacificoakllc.com

nailonika.online

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4368-136-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4368-138-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4680-144-0x00000000010B0000-0x00000000010DF000-memory.dmp	formbook
behavioral2/memory/4680-149-0x00000000010B0000-0x00000000010DF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

inquiry.exeinquiry.exeraserver.exe

description	pid	process	target process
PID 1012 set thread context of 4368	1012	inquiry.exe	inquiry.exe
PID 4368 set thread context of 2196	4368	inquiry.exe	Explorer.EXE
PID 4680 set thread context of 2196	4680	raserver.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

inquiry.exeraserver.exe

pid	process
4368	inquiry.exe
4368	inquiry.exe
4368	inquiry.exe
4368	inquiry.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe
4680	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2196 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

inquiry.exeraserver.exe

pid process

4368 inquiry.exe
4368 inquiry.exe
4368 inquiry.exe
4680 raserver.exe
4680 raserver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

inquiry.exeraserver.exe

description pid process

Token: SeDebugPrivilege 4368 inquiry.exe
Token: SeDebugPrivilege 4680 raserver.exe

pid	process
2196	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4368	inquiry.exe
Token: SeDebugPrivilege	4680	raserver.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

inquiry.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 1012 wrote to memory of 4368	1012	inquiry.exe	inquiry.exe
PID 1012 wrote to memory of 4368	1012	inquiry.exe	inquiry.exe
PID 1012 wrote to memory of 4368	1012	inquiry.exe	inquiry.exe
PID 1012 wrote to memory of 4368	1012	inquiry.exe	inquiry.exe
PID 1012 wrote to memory of 4368	1012	inquiry.exe	inquiry.exe
PID 1012 wrote to memory of 4368	1012	inquiry.exe	inquiry.exe
PID 2196 wrote to memory of 4680	2196	Explorer.EXE	raserver.exe
PID 2196 wrote to memory of 4680	2196	Explorer.EXE	raserver.exe
PID 2196 wrote to memory of 4680	2196	Explorer.EXE	raserver.exe
PID 4680 wrote to memory of 4924	4680	raserver.exe	cmd.exe
PID 4680 wrote to memory of 4924	4680	raserver.exe	cmd.exe
PID 4680 wrote to memory of 4924	4680	raserver.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2196

C:\Users\Admin\AppData\Local\Temp\inquiry.exe
"C:\Users\Admin\AppData\Local\Temp\inquiry.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1012

C:\Users\Admin\AppData\Local\Temp\inquiry.exe
"C:\Users\Admin\AppData\Local\Temp\inquiry.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4368

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4680

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\inquiry.exe"
3⤵
PID:4924

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1012-131-0x0000000005640000-0x0000000005BE4000-memory.dmp

Filesize
5.6MB

Download
memory/1012-132-0x0000000005140000-0x00000000051D2000-memory.dmp

Filesize
584KB

Download
memory/1012-133-0x00000000051E0000-0x00000000051EA000-memory.dmp

Filesize
40KB

Download
memory/1012-134-0x00000000081B0000-0x000000000824C000-memory.dmp

Filesize
624KB

Download
memory/1012-130-0x0000000000810000-0x00000000008D4000-memory.dmp

Filesize
784KB

Download
memory/2196-141-0x0000000007D30000-0x0000000007EB2000-memory.dmp

Filesize
1.5MB

Download
memory/2196-150-0x00000000024E0000-0x00000000025BB000-memory.dmp

Filesize
876KB

Download
memory/2196-148-0x00000000024E0000-0x00000000025BB000-memory.dmp

Filesize
876KB

Download
memory/4368-135-0x0000000000000000-mapping.dmp

Download
memory/4368-140-0x0000000000F20000-0x0000000000F35000-memory.dmp

Filesize
84KB

Download
memory/4368-139-0x0000000000F40000-0x000000000128A000-memory.dmp

Filesize
3.3MB

Download
memory/4368-138-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4368-136-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4680-142-0x0000000000000000-mapping.dmp

Download
memory/4680-144-0x00000000010B0000-0x00000000010DF000-memory.dmp

Filesize
188KB

Download
memory/4680-143-0x0000000000D00000-0x0000000000D1F000-memory.dmp

Filesize
124KB

Download
memory/4680-146-0x0000000002FE0000-0x000000000332A000-memory.dmp

Filesize
3.3MB

Download
memory/4680-147-0x0000000002F20000-0x0000000002FB4000-memory.dmp

Filesize
592KB

Download
memory/4680-149-0x00000000010B0000-0x00000000010DF000-memory.dmp

Filesize
188KB

Download
memory/4924-145-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads