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 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

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2708-116-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2708-117-0x000000000041F200-mapping.dmp	formbook
behavioral2/memory/2708-122-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2652-127-0x0000000000690000-0x00000000006BF000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

Processes:

Scan003_pdf.exe

pid process

3036 Scan003_pdf.exe

pid	process
3036	Scan003_pdf.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Scan003_pdf.exeScan003_pdf.exemsdt.exe

description	pid	process	target process
PID 3036 set thread context of 2708	3036	Scan003_pdf.exe	Scan003_pdf.exe
PID 2708 set thread context of 3024	2708	Scan003_pdf.exe	Explorer.EXE
PID 2708 set thread context of 3024	2708	Scan003_pdf.exe	Explorer.EXE
PID 2652 set thread context of 3024	2652	msdt.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 58 IoCs

Processes:

Scan003_pdf.exemsdt.exe

pid	process
2708	Scan003_pdf.exe
2708	Scan003_pdf.exe
2708	Scan003_pdf.exe
2708	Scan003_pdf.exe
2708	Scan003_pdf.exe
2708	Scan003_pdf.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe
2652	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3024 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Scan003_pdf.exemsdt.exe

pid process

2708 Scan003_pdf.exe
2708 Scan003_pdf.exe
2708 Scan003_pdf.exe
2708 Scan003_pdf.exe
2652 msdt.exe
2652 msdt.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Scan003_pdf.exemsdt.exe

description pid process

Token: SeDebugPrivilege 2708 Scan003_pdf.exe
Token: SeDebugPrivilege 2652 msdt.exe

pid	process
3024	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2708	Scan003_pdf.exe
Token: SeDebugPrivilege	2652	msdt.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Scan003_pdf.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 3036 wrote to memory of 2708	3036	Scan003_pdf.exe	Scan003_pdf.exe
PID 3036 wrote to memory of 2708	3036	Scan003_pdf.exe	Scan003_pdf.exe
PID 3036 wrote to memory of 2708	3036	Scan003_pdf.exe	Scan003_pdf.exe
PID 3036 wrote to memory of 2708	3036	Scan003_pdf.exe	Scan003_pdf.exe
PID 3036 wrote to memory of 2708	3036	Scan003_pdf.exe	Scan003_pdf.exe
PID 3036 wrote to memory of 2708	3036	Scan003_pdf.exe	Scan003_pdf.exe
PID 3024 wrote to memory of 2652	3024	Explorer.EXE	msdt.exe
PID 3024 wrote to memory of 2652	3024	Explorer.EXE	msdt.exe
PID 3024 wrote to memory of 2652	3024	Explorer.EXE	msdt.exe
PID 2652 wrote to memory of 908	2652	msdt.exe	cmd.exe
PID 2652 wrote to memory of 908	2652	msdt.exe	cmd.exe
PID 2652 wrote to memory of 908	2652	msdt.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3024

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:3036

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:2708

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2652

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Scan003_pdf.exe"
3⤵
PID:908

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nscD65D.tmp\cvjdmaof.dll
MD5
85bdf911b0ab005862c651b00de7d950

SHA1
a812c2f337c1b2e87eb848775375f72e7fae8515

SHA256
a1e0e3df91dd32825320e062b40580ddd8806af5515575628762b9a4e07c3be1

SHA512
db85b5f54a2f4faf9b047bb32a03feff77258c719960f5fd7fb29b13fab56c43e35b388f1edaab6c17efbac8187db28262b425739a4e54e8df622f9b94877ec4

Download Submit
memory/908-129-0x0000000000000000-mapping.dmp

Download
memory/2652-130-0x00000000010A0000-0x0000000001134000-memory.dmp

Filesize
592KB

Download
memory/2652-127-0x0000000000690000-0x00000000006BF000-memory.dmp

Filesize
188KB

Download
memory/2652-128-0x0000000004890000-0x0000000004BB0000-memory.dmp

Filesize
3.1MB

Download
memory/2652-126-0x0000000001310000-0x0000000001483000-memory.dmp

Filesize
1.4MB

Download
memory/2652-125-0x0000000000000000-mapping.dmp

Download
memory/2708-123-0x0000000000930000-0x0000000000945000-memory.dmp

Filesize
84KB

Download
memory/2708-122-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-120-0x00000000008F0000-0x0000000000905000-memory.dmp

Filesize
84KB

Download
memory/2708-118-0x00000000009E0000-0x0000000000D00000-memory.dmp

Filesize
3.1MB

Download
memory/2708-117-0x000000000041F200-mapping.dmp

Download
memory/2708-116-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3024-124-0x00000000061F0000-0x0000000006308000-memory.dmp

Filesize
1.1MB

Download
memory/3024-121-0x0000000005290000-0x0000000005400000-memory.dmp

Filesize
1.4MB

Download
memory/3024-131-0x00000000063C0000-0x0000000006550000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads