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 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
behavioral1/memory/368-57-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/368-58-0x000000000041F200-mapping.dmp	formbook
behavioral1/memory/368-63-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/616-68-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1036 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

order_pdf.exe

pid process

944 order_pdf.exe

pid	process
1036	cmd.exe

pid	process
944	order_pdf.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

order_pdf.exeorder_pdf.exeNAPSTAT.EXE

description	pid	process	target process
PID 944 set thread context of 368	944	order_pdf.exe	order_pdf.exe
PID 368 set thread context of 1392	368	order_pdf.exe	Explorer.EXE
PID 368 set thread context of 1392	368	order_pdf.exe	Explorer.EXE
PID 616 set thread context of 1392	616	NAPSTAT.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 29 IoCs

Processes:

order_pdf.exeNAPSTAT.EXE

pid	process
368	order_pdf.exe
368	order_pdf.exe
368	order_pdf.exe
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE
616	NAPSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1392 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

order_pdf.exeNAPSTAT.EXE

pid process

368 order_pdf.exe
368 order_pdf.exe
368 order_pdf.exe
368 order_pdf.exe
616 NAPSTAT.EXE
616 NAPSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

order_pdf.exeNAPSTAT.EXE

description pid process

Token: SeDebugPrivilege 368 order_pdf.exe
Token: SeDebugPrivilege 616 NAPSTAT.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1392 Explorer.EXE
1392 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1392 Explorer.EXE
1392 Explorer.EXE

pid	process
1392	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	368	order_pdf.exe
Token: SeDebugPrivilege	616	NAPSTAT.EXE

pid	process
1392	Explorer.EXE
1392	Explorer.EXE

pid	process
1392	Explorer.EXE
1392	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

order_pdf.exeExplorer.EXENAPSTAT.EXE

description	pid	process	target process
PID 944 wrote to memory of 368	944	order_pdf.exe	order_pdf.exe
PID 944 wrote to memory of 368	944	order_pdf.exe	order_pdf.exe
PID 944 wrote to memory of 368	944	order_pdf.exe	order_pdf.exe
PID 944 wrote to memory of 368	944	order_pdf.exe	order_pdf.exe
PID 944 wrote to memory of 368	944	order_pdf.exe	order_pdf.exe
PID 944 wrote to memory of 368	944	order_pdf.exe	order_pdf.exe
PID 944 wrote to memory of 368	944	order_pdf.exe	order_pdf.exe
PID 1392 wrote to memory of 616	1392	Explorer.EXE	NAPSTAT.EXE
PID 1392 wrote to memory of 616	1392	Explorer.EXE	NAPSTAT.EXE
PID 1392 wrote to memory of 616	1392	Explorer.EXE	NAPSTAT.EXE
PID 1392 wrote to memory of 616	1392	Explorer.EXE	NAPSTAT.EXE
PID 616 wrote to memory of 1036	616	NAPSTAT.EXE	cmd.exe
PID 616 wrote to memory of 1036	616	NAPSTAT.EXE	cmd.exe
PID 616 wrote to memory of 1036	616	NAPSTAT.EXE	cmd.exe
PID 616 wrote to memory of 1036	616	NAPSTAT.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:1392

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:944

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:368

C:\Windows\SysWOW64\NAPSTAT.EXE
"C:\Windows\SysWOW64\NAPSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:616

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\order_pdf.exe"
3⤵
- Deletes itself
PID:1036

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\nsi1037.tmp\zbjmehtgrem.dll
MD5
4ab3ba7ed270a7000329c389fc2ea1ca

SHA1
73c7a6e08cc614890d7c7af9465050ec79a4b31d

SHA256
d9eac565c15e1ebb04f1470737155fdbad92e27d070375ad478e3a946b6d84e9

SHA512
878f23852d79864d270db94e18331eb479632a962554bb79fa2430dd3365f0a3d2bf658ca62742bed802b391e6915e70b2ddac16e925ff511cdeb4ebc9f4151f

Download Submit
memory/368-64-0x0000000000390000-0x00000000003A5000-memory.dmp

Filesize
84KB

Download
memory/368-57-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/368-58-0x000000000041F200-mapping.dmp

Download
memory/368-60-0x00000000008E0000-0x0000000000BE3000-memory.dmp

Filesize
3.0MB

Download
memory/368-61-0x0000000000340000-0x0000000000355000-memory.dmp

Filesize
84KB

Download
memory/368-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/616-67-0x0000000000D80000-0x0000000000DC6000-memory.dmp

Filesize
280KB

Download
memory/616-66-0x0000000000000000-mapping.dmp

Download
memory/616-68-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/616-70-0x00000000021D0000-0x00000000024D3000-memory.dmp

Filesize
3.0MB

Download
memory/616-71-0x00000000009C0000-0x0000000000A54000-memory.dmp

Filesize
592KB

Download
memory/944-55-0x0000000076241000-0x0000000076243000-memory.dmp

Filesize
8KB

Download
memory/1036-69-0x0000000000000000-mapping.dmp

Download
memory/1392-62-0x0000000007160000-0x00000000072EC000-memory.dmp

Filesize
1.5MB

Download
memory/1392-65-0x00000000072F0000-0x000000000749E000-memory.dmp

Filesize
1.7MB

Download
memory/1392-72-0x0000000007E70000-0x0000000007FF8000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads