formbook | 5897e2feb000fd14575cb3dd4e871c2cc2374c3811ab51a9cf4ff49a46f05689

General

Target

order_pdf.exe
Size

558KB
MD5

f701380621cd00eaebe9be15aab38322
SHA1

0ed1622d9293863e74abf12997ddbb907e9740fc
SHA256

5897e2feb000fd14575cb3dd4e871c2cc2374c3811ab51a9cf4ff49a46f05689
SHA512

034b55e4845b55e8f1160f1bc2ef3643a5638be36887bca1f55c5e865c82246c7d05513003d7da4457e6a7f02715eb90cbdad5f69503fac64e75993d769b2f53

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/2656-116-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2656-117-0x000000000041F200-mapping.dmp	formbook
behavioral2/memory/3500-125-0x0000000000690000-0x00000000006BF000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

Processes:

order_pdf.exe

pid process

2012 order_pdf.exe

pid	process
2012	order_pdf.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

order_pdf.exeorder_pdf.exeNETSTAT.EXE

description	pid	process	target process
PID 2012 set thread context of 2656	2012	order_pdf.exe	order_pdf.exe
PID 2656 set thread context of 3008	2656	order_pdf.exe	Explorer.EXE
PID 3500 set thread context of 3008	3500	NETSTAT.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
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

3500 NETSTAT.EXE

pid	process
3500	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

order_pdf.exeNETSTAT.EXE

pid	process
2656	order_pdf.exe
2656	order_pdf.exe
2656	order_pdf.exe
2656	order_pdf.exe
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE
3500	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3008 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

order_pdf.exeNETSTAT.EXE

pid process

2656 order_pdf.exe
2656 order_pdf.exe
2656 order_pdf.exe
3500 NETSTAT.EXE
3500 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

order_pdf.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 2656 order_pdf.exe
Token: SeDebugPrivilege 3500 NETSTAT.EXE

pid	process
3008	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2656	order_pdf.exe
Token: SeDebugPrivilege	3500	NETSTAT.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

order_pdf.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 2012 wrote to memory of 2656	2012	order_pdf.exe	order_pdf.exe
PID 2012 wrote to memory of 2656	2012	order_pdf.exe	order_pdf.exe
PID 2012 wrote to memory of 2656	2012	order_pdf.exe	order_pdf.exe
PID 2012 wrote to memory of 2656	2012	order_pdf.exe	order_pdf.exe
PID 2012 wrote to memory of 2656	2012	order_pdf.exe	order_pdf.exe
PID 2012 wrote to memory of 2656	2012	order_pdf.exe	order_pdf.exe
PID 3008 wrote to memory of 3500	3008	Explorer.EXE	NETSTAT.EXE
PID 3008 wrote to memory of 3500	3008	Explorer.EXE	NETSTAT.EXE
PID 3008 wrote to memory of 3500	3008	Explorer.EXE	NETSTAT.EXE
PID 3500 wrote to memory of 3540	3500	NETSTAT.EXE	cmd.exe
PID 3500 wrote to memory of 3540	3500	NETSTAT.EXE	cmd.exe
PID 3500 wrote to memory of 3540	3500	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3008

C:\Users\Admin\AppData\Local\Temp\order_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order_pdf.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2012

C:\Users\Admin\AppData\Local\Temp\order_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order_pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2656

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3500

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\order_pdf.exe"
3⤵
PID:3540

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsaD081.tmp\zbjmehtgrem.dll
MD5
4ab3ba7ed270a7000329c389fc2ea1ca

SHA1
73c7a6e08cc614890d7c7af9465050ec79a4b31d

SHA256
d9eac565c15e1ebb04f1470737155fdbad92e27d070375ad478e3a946b6d84e9

SHA512
878f23852d79864d270db94e18331eb479632a962554bb79fa2430dd3365f0a3d2bf658ca62742bed802b391e6915e70b2ddac16e925ff511cdeb4ebc9f4151f

Download Submit
memory/2656-116-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2656-117-0x000000000041F200-mapping.dmp

Download
memory/2656-119-0x00000000009E0000-0x0000000000D00000-memory.dmp

Filesize
3.1MB

Download
memory/2656-120-0x0000000000D00000-0x0000000000D15000-memory.dmp

Filesize
84KB

Download
memory/3008-128-0x00000000053E0000-0x00000000054A6000-memory.dmp

Filesize
792KB

Download
memory/3008-121-0x0000000002C70000-0x0000000002D5B000-memory.dmp

Filesize
940KB

Download
memory/3500-122-0x0000000000000000-mapping.dmp

Download
memory/3500-125-0x0000000000690000-0x00000000006BF000-memory.dmp

Filesize
188KB

Download
memory/3500-124-0x0000000000970000-0x000000000097B000-memory.dmp

Filesize
44KB

Download
memory/3500-126-0x0000000002E40000-0x0000000003160000-memory.dmp

Filesize
3.1MB

Download
memory/3500-127-0x0000000002CA0000-0x0000000002D34000-memory.dmp

Filesize
592KB

Download
memory/3540-123-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads