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
behavioral1/memory/1596-56-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1248-62-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

560 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

Orden N° 067.exe

pid process

952 Orden N° 067.exe

pid	process
560	cmd.exe

pid	process
952	Orden N° 067.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Orden N° 067.exeOrden N° 067.exewlanext.exe

description	pid	process	target process
PID 952 set thread context of 1596	952	Orden N° 067.exe	Orden N° 067.exe
PID 1596 set thread context of 1412	1596	Orden N° 067.exe	Explorer.EXE
PID 1248 set thread context of 1412	1248	wlanext.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 30 IoCs

Processes:

Orden N° 067.exewlanext.exe

pid	process
1596	Orden N° 067.exe
1596	Orden N° 067.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1412 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Orden N° 067.exewlanext.exe

pid process

1596 Orden N° 067.exe
1596 Orden N° 067.exe
1596 Orden N° 067.exe
1248 wlanext.exe
1248 wlanext.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Orden N° 067.exewlanext.exe

description pid process

Token: SeDebugPrivilege 1596 Orden N° 067.exe
Token: SeDebugPrivilege 1248 wlanext.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1412 Explorer.EXE
1412 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1412 Explorer.EXE
1412 Explorer.EXE

pid	process
1412	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1596	Orden N° 067.exe
Token: SeDebugPrivilege	1248	wlanext.exe

pid	process
1412	Explorer.EXE
1412	Explorer.EXE

pid	process
1412	Explorer.EXE
1412	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Orden N° 067.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 952 wrote to memory of 1596	952	Orden N° 067.exe	Orden N° 067.exe
PID 952 wrote to memory of 1596	952	Orden N° 067.exe	Orden N° 067.exe
PID 952 wrote to memory of 1596	952	Orden N° 067.exe	Orden N° 067.exe
PID 952 wrote to memory of 1596	952	Orden N° 067.exe	Orden N° 067.exe
PID 952 wrote to memory of 1596	952	Orden N° 067.exe	Orden N° 067.exe
PID 952 wrote to memory of 1596	952	Orden N° 067.exe	Orden N° 067.exe
PID 952 wrote to memory of 1596	952	Orden N° 067.exe	Orden N° 067.exe
PID 1412 wrote to memory of 1248	1412	Explorer.EXE	wlanext.exe
PID 1412 wrote to memory of 1248	1412	Explorer.EXE	wlanext.exe
PID 1412 wrote to memory of 1248	1412	Explorer.EXE	wlanext.exe
PID 1412 wrote to memory of 1248	1412	Explorer.EXE	wlanext.exe
PID 1248 wrote to memory of 560	1248	wlanext.exe	cmd.exe
PID 1248 wrote to memory of 560	1248	wlanext.exe	cmd.exe
PID 1248 wrote to memory of 560	1248	wlanext.exe	cmd.exe
PID 1248 wrote to memory of 560	1248	wlanext.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1412

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:952

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:1596

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1248

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Orden N° 067.exe"
3⤵
- Deletes itself
PID:560

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\nsyD970.tmp\attiqkrutig.dll
MD5
7a1555a55a8122f0dc242098c2b2e6e1

SHA1
e4d0a98a54d806cdc19277d85bf0f7eca4544b4b

SHA256
f3ad56b193b11181634b44e6bff6e2e34cc171a86412cae53f19088596214f00

SHA512
dc2a01c605bbe6277b150fe3d1f163302f4b598e441dab428493576f01d25a36713dd8f92d2d27016cc171cbad2ffa6eef0692e90002e8b5524deeac382fe05c

Download Submit
memory/952-54-0x0000000076491000-0x0000000076493000-memory.dmp

Filesize
8KB

Download
memory/1248-61-0x0000000000E10000-0x0000000000E26000-memory.dmp

Filesize
88KB

Download
memory/1248-62-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1248-63-0x00000000009B0000-0x0000000000CB3000-memory.dmp

Filesize
3.0MB

Download
memory/1248-64-0x0000000000880000-0x0000000000913000-memory.dmp

Filesize
588KB

Download
memory/1412-60-0x0000000006410000-0x0000000006523000-memory.dmp

Filesize
1.1MB

Download
memory/1412-65-0x0000000003E30000-0x0000000003F14000-memory.dmp

Filesize
912KB

Download
memory/1596-56-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1596-57-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/1596-59-0x0000000000580000-0x0000000000594000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads