formbook | f0b67dba2c080cbd4fbd19b34f8b32d6d9254c9365b7d98abf085615d821f294

General

Target

Scan003_pdf.exe
Size

418KB
MD5

68d8a36449116490976ec30082dad2a1
SHA1

84a939cf6dc021dc8f66ea0333648914aaa96bdd
SHA256

f0b67dba2c080cbd4fbd19b34f8b32d6d9254c9365b7d98abf085615d821f294
SHA512

30a35dab102125ce0843b19fa1b93607588f4d6b400cdce958c5ff8c0fcfe5ff3f63e488cba3c9ce6559288ac9d9129417c85c1775237f8d1838c59a6a2d86c0

Score

10^/10

formbook dn7r rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn7r

C2

http://www.yourherogarden.net/dn7r/

Decoy

eventphotographerdfw.com

thehalalcoinstaking.com

philipfaziofineart.com

intercoh.com

gaiaseyephotography.com

chatbotforrealestate.com

lovelancemg.com

marlieskasberger.com

elcongoenespanol.info

lepirecredit.com

distribution-concept.com

e99game.com

exit11festival.com

twodollartoothbrushclub.com

cocktailsandlawn.com

performimprove.network

24horas-telefono-11840.com

cosmossify.com

kellenleote.com

perovskite.energy

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/2264-116-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2264-117-0x000000000041F200-mapping.dmp	formbook
behavioral2/memory/920-124-0x0000000002D80000-0x0000000002DAF000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

Processes:

Scan003_pdf.exe

pid process

3728 Scan003_pdf.exe

pid	process
3728	Scan003_pdf.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Scan003_pdf.exeScan003_pdf.exenetsh.exe

description	pid	process	target process
PID 3728 set thread context of 2264	3728	Scan003_pdf.exe	Scan003_pdf.exe
PID 2264 set thread context of 3036	2264	Scan003_pdf.exe	Explorer.EXE
PID 920 set thread context of 3036	920	netsh.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

Scan003_pdf.exenetsh.exe

pid	process
2264	Scan003_pdf.exe
2264	Scan003_pdf.exe
2264	Scan003_pdf.exe
2264	Scan003_pdf.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe
920	netsh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3036 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Scan003_pdf.exenetsh.exe

pid process

2264 Scan003_pdf.exe
2264 Scan003_pdf.exe
2264 Scan003_pdf.exe
920 netsh.exe
920 netsh.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Scan003_pdf.exenetsh.exe

description pid process

Token: SeDebugPrivilege 2264 Scan003_pdf.exe
Token: SeDebugPrivilege 920 netsh.exe

pid	process
3036	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2264	Scan003_pdf.exe
Token: SeDebugPrivilege	920	netsh.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Scan003_pdf.exeExplorer.EXEnetsh.exe

description	pid	process	target process
PID 3728 wrote to memory of 2264	3728	Scan003_pdf.exe	Scan003_pdf.exe
PID 3728 wrote to memory of 2264	3728	Scan003_pdf.exe	Scan003_pdf.exe
PID 3728 wrote to memory of 2264	3728	Scan003_pdf.exe	Scan003_pdf.exe
PID 3728 wrote to memory of 2264	3728	Scan003_pdf.exe	Scan003_pdf.exe
PID 3728 wrote to memory of 2264	3728	Scan003_pdf.exe	Scan003_pdf.exe
PID 3728 wrote to memory of 2264	3728	Scan003_pdf.exe	Scan003_pdf.exe
PID 3036 wrote to memory of 920	3036	Explorer.EXE	netsh.exe
PID 3036 wrote to memory of 920	3036	Explorer.EXE	netsh.exe
PID 3036 wrote to memory of 920	3036	Explorer.EXE	netsh.exe
PID 920 wrote to memory of 1236	920	netsh.exe	cmd.exe
PID 920 wrote to memory of 1236	920	netsh.exe	cmd.exe
PID 920 wrote to memory of 1236	920	netsh.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3036

C:\Users\Admin\AppData\Local\Temp\Scan003_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Scan003_pdf.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3728

C:\Users\Admin\AppData\Local\Temp\Scan003_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Scan003_pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2264

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:3276

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:2928

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:2320

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:584

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:648

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:824

C:\Windows\SysWOW64\netsh.exe
"C:\Windows\SysWOW64\netsh.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:920

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Scan003_pdf.exe"
3⤵
PID:1236

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsdD786.tmp\cvjdmaof.dll
MD5
85bdf911b0ab005862c651b00de7d950

SHA1
a812c2f337c1b2e87eb848775375f72e7fae8515

SHA256
a1e0e3df91dd32825320e062b40580ddd8806af5515575628762b9a4e07c3be1

SHA512
db85b5f54a2f4faf9b047bb32a03feff77258c719960f5fd7fb29b13fab56c43e35b388f1edaab6c17efbac8187db28262b425739a4e54e8df622f9b94877ec4

Download Submit
memory/920-122-0x0000000000000000-mapping.dmp

Download
memory/920-127-0x00000000033F0000-0x0000000003484000-memory.dmp

Filesize
592KB

Download
memory/920-126-0x0000000003030000-0x0000000003350000-memory.dmp

Filesize
3.1MB

Download
memory/920-123-0x0000000000950000-0x000000000096E000-memory.dmp

Filesize
120KB

Download
memory/920-124-0x0000000002D80000-0x0000000002DAF000-memory.dmp

Filesize
188KB

Download
memory/1236-125-0x0000000000000000-mapping.dmp

Download
memory/2264-119-0x0000000000AB0000-0x0000000000DD0000-memory.dmp

Filesize
3.1MB

Download
memory/2264-120-0x0000000000580000-0x00000000006CA000-memory.dmp

Filesize
1.3MB

Download
memory/2264-117-0x000000000041F200-mapping.dmp

Download
memory/2264-116-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3036-121-0x0000000005340000-0x000000000543B000-memory.dmp

Filesize
1004KB

Download
memory/3036-128-0x0000000000DE0000-0x0000000000E80000-memory.dmp

Filesize
640KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads