formbook | cd4537fc71b075714c040194ba6caba7b0d1bf8b8614f0d7b1868f4941e4cb06

General

Target

Orden N° 067.exe
Size

247KB
MD5

b36ce18bb9f5d208ebef0620b525baf7
SHA1

045951540bd833078efb46ee7a38af86dac7764f
SHA256

cd4537fc71b075714c040194ba6caba7b0d1bf8b8614f0d7b1868f4941e4cb06
SHA512

755732c0d6c89180f9d7fa08361b221011dd014938abc1ee65ce62062ba22422fa74d29cabe6e4ca35093911788d622445bced9ea56659fd29c2e30834bee493

Score

10^/10

formbook os16 rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

os16

Decoy

nautic-experts-hageboelling.com

fullharvestfundraising.com

xbdsm.club

duocaterers.com

prizebuddy.club

nillprive.com

firebreathingpenguin.com

buxledger.com

annual-journals.com

mydemosite0.com

noaoka.com

eblaghe-iran.xyz

globalyuncang.com

jacqueson-autocars.com

asiafinances.com

howtomakearesume.space

modernwarfaresecrets.com

dualamaquinaria.com

thrili.com

gracing-up.com

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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1344-117-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3268-123-0x0000000000E20000-0x0000000000E4F000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

Processes:

Orden N° 067.exe

pid process

3068 Orden N° 067.exe

pid	process
3068	Orden N° 067.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Orden N° 067.exeOrden N° 067.exemsdt.exe

description	pid	process	target process
PID 3068 set thread context of 1344	3068	Orden N° 067.exe	Orden N° 067.exe
PID 1344 set thread context of 3056	1344	Orden N° 067.exe	Explorer.EXE
PID 3268 set thread context of 3056	3268	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 54 IoCs

Processes:

Orden N° 067.exemsdt.exe

pid	process
1344	Orden N° 067.exe
1344	Orden N° 067.exe
1344	Orden N° 067.exe
1344	Orden N° 067.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe
3268	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3056 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Orden N° 067.exemsdt.exe

pid process

1344 Orden N° 067.exe
1344 Orden N° 067.exe
1344 Orden N° 067.exe
3268 msdt.exe
3268 msdt.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Orden N° 067.exemsdt.exe

description pid process

Token: SeDebugPrivilege 1344 Orden N° 067.exe
Token: SeDebugPrivilege 3268 msdt.exe

pid	process
3056	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1344	Orden N° 067.exe
Token: SeDebugPrivilege	3268	msdt.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Orden N° 067.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 3068 wrote to memory of 1344	3068	Orden N° 067.exe	Orden N° 067.exe
PID 3068 wrote to memory of 1344	3068	Orden N° 067.exe	Orden N° 067.exe
PID 3068 wrote to memory of 1344	3068	Orden N° 067.exe	Orden N° 067.exe
PID 3068 wrote to memory of 1344	3068	Orden N° 067.exe	Orden N° 067.exe
PID 3068 wrote to memory of 1344	3068	Orden N° 067.exe	Orden N° 067.exe
PID 3068 wrote to memory of 1344	3068	Orden N° 067.exe	Orden N° 067.exe
PID 3056 wrote to memory of 3268	3056	Explorer.EXE	msdt.exe
PID 3056 wrote to memory of 3268	3056	Explorer.EXE	msdt.exe
PID 3056 wrote to memory of 3268	3056	Explorer.EXE	msdt.exe
PID 3268 wrote to memory of 4080	3268	msdt.exe	cmd.exe
PID 3268 wrote to memory of 4080	3268	msdt.exe	cmd.exe
PID 3268 wrote to memory of 4080	3268	msdt.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3056

C:\Users\Admin\AppData\Local\Temp\Orden N° 067.exe
"C:\Users\Admin\AppData\Local\Temp\Orden N° 067.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3068

C:\Users\Admin\AppData\Local\Temp\Orden N° 067.exe
"C:\Users\Admin\AppData\Local\Temp\Orden N° 067.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1344

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:3268

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Orden N° 067.exe"
3⤵
PID:4080

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\nsf83B5.tmp\attiqkrutig.dll
MD5
7a1555a55a8122f0dc242098c2b2e6e1

SHA1
e4d0a98a54d806cdc19277d85bf0f7eca4544b4b

SHA256
f3ad56b193b11181634b44e6bff6e2e34cc171a86412cae53f19088596214f00

SHA512
dc2a01c605bbe6277b150fe3d1f163302f4b598e441dab428493576f01d25a36713dd8f92d2d27016cc171cbad2ffa6eef0692e90002e8b5524deeac382fe05c

Download Submit
memory/1344-117-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1344-119-0x00000000009A0000-0x0000000000CC0000-memory.dmp

Filesize
3.1MB

Download
memory/1344-120-0x00000000006D0000-0x00000000006E4000-memory.dmp

Filesize
80KB

Download
memory/3056-121-0x0000000002590000-0x000000000265B000-memory.dmp

Filesize
812KB

Download
memory/3056-126-0x0000000005C10000-0x0000000005D4D000-memory.dmp

Filesize
1.2MB

Download
memory/3068-116-0x0000000002280000-0x0000000002282000-memory.dmp

Filesize
8KB

Download
memory/3268-123-0x0000000000E20000-0x0000000000E4F000-memory.dmp

Filesize
188KB

Download
memory/3268-122-0x0000000000E50000-0x0000000000FC3000-memory.dmp

Filesize
1.4MB

Download
memory/3268-124-0x00000000051F0000-0x0000000005510000-memory.dmp

Filesize
3.1MB

Download
memory/3268-125-0x0000000004E00000-0x0000000004E93000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads