formbook | 7351be6f0f343fff3cc33d3b70a75a1a1de3a5d4c9e74b9a4af32f14461f5de5

General

Target

New Po 09902.exe
Size

478KB
MD5

3029a36f03c0bb9cf0df21837c0abba9
SHA1

832ec6f1c93bd8d8f0fcb963a786df0fa4e1c7d0
SHA256

7351be6f0f343fff3cc33d3b70a75a1a1de3a5d4c9e74b9a4af32f14461f5de5
SHA512

6a4966df7b81f353b521283b3d6f7cb929d7f67cb686ab9ef44d883c609bf18ffbacf407963e2058c55a11084b82e37b13b481d498eaf785d23870dec9b767b8

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/3040-115-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3040-116-0x000000000041F200-mapping.dmp	formbook
behavioral2/memory/3240-124-0x00000000006E0000-0x000000000070F000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

Processes:

New Po 09902.exe

pid process

4648 New Po 09902.exe

pid	process
4648	New Po 09902.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

New Po 09902.exeNew Po 09902.execmmon32.exe

description	pid	process	target process
PID 4648 set thread context of 3040	4648	New Po 09902.exe	New Po 09902.exe
PID 3040 set thread context of 3048	3040	New Po 09902.exe	Explorer.EXE
PID 3240 set thread context of 3048	3240	cmmon32.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:

New Po 09902.execmmon32.exe

pid	process
3040	New Po 09902.exe
3040	New Po 09902.exe
3040	New Po 09902.exe
3040	New Po 09902.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe
3240	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3048 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

New Po 09902.execmmon32.exe

pid process

3040 New Po 09902.exe
3040 New Po 09902.exe
3040 New Po 09902.exe
3240 cmmon32.exe
3240 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

New Po 09902.execmmon32.exe

description pid process

Token: SeDebugPrivilege 3040 New Po 09902.exe
Token: SeDebugPrivilege 3240 cmmon32.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3048 Explorer.EXE

pid	process
3048	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	3040	New Po 09902.exe
Token: SeDebugPrivilege	3240	cmmon32.exe

pid	process
3048	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

New Po 09902.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 4648 wrote to memory of 3040	4648	New Po 09902.exe	New Po 09902.exe
PID 4648 wrote to memory of 3040	4648	New Po 09902.exe	New Po 09902.exe
PID 4648 wrote to memory of 3040	4648	New Po 09902.exe	New Po 09902.exe
PID 4648 wrote to memory of 3040	4648	New Po 09902.exe	New Po 09902.exe
PID 4648 wrote to memory of 3040	4648	New Po 09902.exe	New Po 09902.exe
PID 4648 wrote to memory of 3040	4648	New Po 09902.exe	New Po 09902.exe
PID 3048 wrote to memory of 3240	3048	Explorer.EXE	cmmon32.exe
PID 3048 wrote to memory of 3240	3048	Explorer.EXE	cmmon32.exe
PID 3048 wrote to memory of 3240	3048	Explorer.EXE	cmmon32.exe
PID 3240 wrote to memory of 4180	3240	cmmon32.exe	cmd.exe
PID 3240 wrote to memory of 4180	3240	cmmon32.exe	cmd.exe
PID 3240 wrote to memory of 4180	3240	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3048

C:\Users\Admin\AppData\Local\Temp\New Po 09902.exe
"C:\Users\Admin\AppData\Local\Temp\New Po 09902.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4648

C:\Users\Admin\AppData\Local\Temp\New Po 09902.exe
"C:\Users\Admin\AppData\Local\Temp\New Po 09902.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3040

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3240

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\New Po 09902.exe"
3⤵
PID:4180

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\nso9CD3.tmp\woaqvdvw.dll
MD5
b5b7e28fe39b884c43bc081c77ede446

SHA1
0c71ce0583740c7a9bf05beaf34b9fa25da0ed4e

SHA256
5e20b5e343419d642a7edb36257dc9a8eff2e2fdec108569b5e0a7679b473e46

SHA512
a19ec645d94ee96db4bc6178cda198d6610e409046d46274b5883b123e87d35e48c04119f64dab79d9f708b03a4709c4a7b8197c7ef30f31faef4acadd4d6cfe

Download Submit
memory/3040-115-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3040-116-0x000000000041F200-mapping.dmp

Download
memory/3040-118-0x0000000000A00000-0x0000000000D20000-memory.dmp

Filesize
3.1MB

Download
memory/3040-119-0x00000000009D0000-0x00000000009E5000-memory.dmp

Filesize
84KB

Download
memory/3048-127-0x00000000029B0000-0x0000000002A4F000-memory.dmp

Filesize
636KB

Download
memory/3048-120-0x00000000051C0000-0x000000000534E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-121-0x0000000000000000-mapping.dmp

Download
memory/3240-123-0x0000000001140000-0x000000000114C000-memory.dmp

Filesize
48KB

Download
memory/3240-124-0x00000000006E0000-0x000000000070F000-memory.dmp

Filesize
188KB

Download
memory/3240-125-0x00000000046F0000-0x0000000004A10000-memory.dmp

Filesize
3.1MB

Download
memory/3240-126-0x0000000001030000-0x00000000010C4000-memory.dmp

Filesize
592KB

Download
memory/4180-122-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads