formbook | 5faf43a6f7999e59d5660ed1b485bb6be7a3cb80b753e0a644fd7bc282f7f6bf

General

Target

Order 0091.com.exe
Size

559KB
MD5

c37cb93c1eecd9172347f1badaecb51d
SHA1

ef38eda92ddd78dc47c94afcb06800cc9eedb4af
SHA256

5faf43a6f7999e59d5660ed1b485bb6be7a3cb80b753e0a644fd7bc282f7f6bf
SHA512

5a1b2df9dab18de14afc7eb52d24348d9c1796eb49bc9397d06e8680e6f800e91d36828a94c7308c66f7b8cee35300f0c327c168bb8676ac9c2296f65099531c

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1212-56-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1212-57-0x000000000041F200-mapping.dmp	formbook
behavioral1/memory/1212-62-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/820-67-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1820 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

Order 0091.com.exe

pid process

1044 Order 0091.com.exe

pid	process
1820	cmd.exe

pid	process
1044	Order 0091.com.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Order 0091.com.exeOrder 0091.com.exeNAPSTAT.EXE

description	pid	process	target process
PID 1044 set thread context of 1212	1044	Order 0091.com.exe	Order 0091.com.exe
PID 1212 set thread context of 1356	1212	Order 0091.com.exe	Explorer.EXE
PID 1212 set thread context of 1356	1212	Order 0091.com.exe	Explorer.EXE
PID 820 set thread context of 1356	820	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 30 IoCs

Processes:

Order 0091.com.exeNAPSTAT.EXE

pid	process
1212	Order 0091.com.exe
1212	Order 0091.com.exe
1212	Order 0091.com.exe
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE
820	NAPSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1356 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Order 0091.com.exeNAPSTAT.EXE

pid process

1212 Order 0091.com.exe
1212 Order 0091.com.exe
1212 Order 0091.com.exe
1212 Order 0091.com.exe
820 NAPSTAT.EXE
820 NAPSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Order 0091.com.exeNAPSTAT.EXE

description pid process

Token: SeDebugPrivilege 1212 Order 0091.com.exe
Token: SeDebugPrivilege 820 NAPSTAT.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1356 Explorer.EXE
1356 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1356 Explorer.EXE
1356 Explorer.EXE

pid	process
1356	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1212	Order 0091.com.exe
Token: SeDebugPrivilege	820	NAPSTAT.EXE

pid	process
1356	Explorer.EXE
1356	Explorer.EXE

pid	process
1356	Explorer.EXE
1356	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Order 0091.com.exeExplorer.EXENAPSTAT.EXE

description	pid	process	target process
PID 1044 wrote to memory of 1212	1044	Order 0091.com.exe	Order 0091.com.exe
PID 1044 wrote to memory of 1212	1044	Order 0091.com.exe	Order 0091.com.exe
PID 1044 wrote to memory of 1212	1044	Order 0091.com.exe	Order 0091.com.exe
PID 1044 wrote to memory of 1212	1044	Order 0091.com.exe	Order 0091.com.exe
PID 1044 wrote to memory of 1212	1044	Order 0091.com.exe	Order 0091.com.exe
PID 1044 wrote to memory of 1212	1044	Order 0091.com.exe	Order 0091.com.exe
PID 1044 wrote to memory of 1212	1044	Order 0091.com.exe	Order 0091.com.exe
PID 1356 wrote to memory of 820	1356	Explorer.EXE	NAPSTAT.EXE
PID 1356 wrote to memory of 820	1356	Explorer.EXE	NAPSTAT.EXE
PID 1356 wrote to memory of 820	1356	Explorer.EXE	NAPSTAT.EXE
PID 1356 wrote to memory of 820	1356	Explorer.EXE	NAPSTAT.EXE
PID 820 wrote to memory of 1820	820	NAPSTAT.EXE	cmd.exe
PID 820 wrote to memory of 1820	820	NAPSTAT.EXE	cmd.exe
PID 820 wrote to memory of 1820	820	NAPSTAT.EXE	cmd.exe
PID 820 wrote to memory of 1820	820	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:1356

C:\Users\Admin\AppData\Local\Temp\Order 0091.com.exe
"C:\Users\Admin\AppData\Local\Temp\Order 0091.com.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1044

C:\Users\Admin\AppData\Local\Temp\Order 0091.com.exe
"C:\Users\Admin\AppData\Local\Temp\Order 0091.com.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1212

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:820

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Order 0091.com.exe"
3⤵
- Deletes itself
PID:1820

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\nsiAD7F.tmp\umajjj.dll
MD5
7e55e6ce68778fcd11660965bd28aa8e

SHA1
af2a3c1d3620b268397dc2657b7218c39f6228da

SHA256
c3999cedc4588c80f6cca880dcacf28315673dffd034aef6de374314005c1dd0

SHA512
b260fca450b9a258eb656104f795bfc59fd7dc9d106401e43edb988bf4ac2a94723b1a3e8ccad3c6ec78a1fca3ef85e302ea767ef1645da1becec928c230b980

Download Submit
memory/820-65-0x0000000000000000-mapping.dmp

Download
memory/820-70-0x0000000001D60000-0x0000000001DF4000-memory.dmp

Filesize
592KB

Download
memory/820-69-0x0000000002030000-0x0000000002333000-memory.dmp

Filesize
3.0MB

Download
memory/820-67-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/820-66-0x0000000000560000-0x00000000005A6000-memory.dmp

Filesize
280KB

Download
memory/1044-54-0x00000000759B1000-0x00000000759B3000-memory.dmp

Filesize
8KB

Download
memory/1212-60-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/1212-63-0x00000000004C0000-0x00000000004D5000-memory.dmp

Filesize
84KB

Download
memory/1212-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1212-59-0x00000000008C0000-0x0000000000BC3000-memory.dmp

Filesize
3.0MB

Download
memory/1212-57-0x000000000041F200-mapping.dmp

Download
memory/1212-56-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1356-64-0x0000000007120000-0x000000000726F000-memory.dmp

Filesize
1.3MB

Download
memory/1356-61-0x00000000064C0000-0x00000000065E6000-memory.dmp

Filesize
1.1MB

Download
memory/1356-71-0x0000000004900000-0x00000000049C9000-memory.dmp

Filesize
804KB

Download
memory/1820-68-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads