formbook | 3b2aed15298aa9110cc90c069742839fdc9ddb24f91a8269284a504a5ba1fb9c

General

Target

Purchase Order.exe
Size

918KB
MD5

dfb77ce7f7b49f520241aa2a747d9203
SHA1

304dd96dad67b02214ebd10198baacfb7428a08a
SHA256

3b2aed15298aa9110cc90c069742839fdc9ddb24f91a8269284a504a5ba1fb9c
SHA512

57fd6052c133843cc4e4d7878eed74a8eeb466da8923e62995aceb84788573c9088d48303d79cf36839751c5307ef2d00a8ec99d40ea9e5108f047be32d6563a

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/3680-137-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3680-139-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3436-146-0x00000000004D0000-0x00000000004FF000-memory.dmp	formbook
behavioral2/memory/3436-148-0x00000000004D0000-0x00000000004FF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

Purchase Order.exePurchase Order.exeWWAHost.exe

description	pid	process	target process
PID 4100 set thread context of 3680	4100	Purchase Order.exe	Purchase Order.exe
PID 3680 set thread context of 1060	3680	Purchase Order.exe	Explorer.EXE
PID 3436 set thread context of 1060	3436	WWAHost.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 40 IoCs

Processes:

Purchase Order.exeWWAHost.exe

pid	process
3680	Purchase Order.exe
3680	Purchase Order.exe
3680	Purchase Order.exe
3680	Purchase Order.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe
3436	WWAHost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1060 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Purchase Order.exeWWAHost.exe

pid process

3680 Purchase Order.exe
3680 Purchase Order.exe
3680 Purchase Order.exe
3436 WWAHost.exe
3436 WWAHost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order.exeWWAHost.exe

description pid process

Token: SeDebugPrivilege 3680 Purchase Order.exe
Token: SeDebugPrivilege 3436 WWAHost.exe

pid	process
1060	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	3680	Purchase Order.exe
Token: SeDebugPrivilege	3436	WWAHost.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Purchase Order.exeExplorer.EXEWWAHost.exe

description	pid	process	target process
PID 4100 wrote to memory of 3680	4100	Purchase Order.exe	Purchase Order.exe
PID 4100 wrote to memory of 3680	4100	Purchase Order.exe	Purchase Order.exe
PID 4100 wrote to memory of 3680	4100	Purchase Order.exe	Purchase Order.exe
PID 4100 wrote to memory of 3680	4100	Purchase Order.exe	Purchase Order.exe
PID 4100 wrote to memory of 3680	4100	Purchase Order.exe	Purchase Order.exe
PID 4100 wrote to memory of 3680	4100	Purchase Order.exe	Purchase Order.exe
PID 1060 wrote to memory of 3436	1060	Explorer.EXE	WWAHost.exe
PID 1060 wrote to memory of 3436	1060	Explorer.EXE	WWAHost.exe
PID 1060 wrote to memory of 3436	1060	Explorer.EXE	WWAHost.exe
PID 3436 wrote to memory of 3456	3436	WWAHost.exe	cmd.exe
PID 3436 wrote to memory of 3456	3436	WWAHost.exe	cmd.exe
PID 3436 wrote to memory of 3456	3436	WWAHost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1060

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4100

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3680

C:\Windows\SysWOW64\WWAHost.exe
"C:\Windows\SysWOW64\WWAHost.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3436

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
3⤵
PID:3456

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1060-142-0x0000000002C50000-0x0000000002D9C000-memory.dmp

Filesize
1.3MB

Download
memory/1060-151-0x00000000082E0000-0x0000000008457000-memory.dmp

Filesize
1.5MB

Download
memory/1060-150-0x00000000082E0000-0x0000000008457000-memory.dmp

Filesize
1.5MB

Download
memory/3436-149-0x0000000001400000-0x0000000001494000-memory.dmp

Filesize
592KB

Download
memory/3436-148-0x00000000004D0000-0x00000000004FF000-memory.dmp

Filesize
188KB

Download
memory/3436-146-0x00000000004D0000-0x00000000004FF000-memory.dmp

Filesize
188KB

Download
memory/3436-147-0x00000000015D0000-0x000000000191A000-memory.dmp

Filesize
3.3MB

Download
memory/3436-145-0x0000000000530000-0x000000000060C000-memory.dmp

Filesize
880KB

Download
memory/3436-143-0x0000000000000000-mapping.dmp

Download
memory/3456-144-0x0000000000000000-mapping.dmp

Download
memory/3680-141-0x00000000012D0000-0x00000000012E5000-memory.dmp

Filesize
84KB

Download
memory/3680-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3680-140-0x00000000017F0000-0x0000000001B3A000-memory.dmp

Filesize
3.3MB

Download
memory/3680-137-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3680-136-0x0000000000000000-mapping.dmp

Download
memory/4100-130-0x00000000006B0000-0x000000000079A000-memory.dmp

Filesize
936KB

Download
memory/4100-135-0x0000000007BD0000-0x0000000007C36000-memory.dmp

Filesize
408KB

Download
memory/4100-134-0x00000000071E0000-0x000000000727C000-memory.dmp

Filesize
624KB

Download
memory/4100-133-0x0000000005150000-0x000000000515A000-memory.dmp

Filesize
40KB

Download
memory/4100-132-0x0000000005180000-0x0000000005212000-memory.dmp

Filesize
584KB

Download
memory/4100-131-0x0000000005690000-0x0000000005C34000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads