formbook | 76a8adb73b3b2f0d94ae2fceb1fc4c6307c318f102fffa93fb353bf94b204d38

General

Target

OAa3nu595dA7afB.exe
Size

553KB
MD5

1823dce627d29f5d4985501267f7ad9f
SHA1

1ce10042fccf2c8fcb2b0a93723f24b6c3b4ffb3
SHA256

c14ba2023f89dc57df157690e40042b8b090906257c59b6e5834b2212cd3142e
SHA512

88421fa99979a5ed7d55a2dccffbb96af3e72539e5dba61bf7860d2321a2f79deb5e9aae65e3fb9e5a17998a60d87abbbdc7b0dc495c991b4a3813a2ef8edb72

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/1540-68-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1540-69-0x000000000041F200-mapping.dmp	formbook
behavioral1/memory/1540-74-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/764-81-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1632 cmd.exe

pid	process
1632	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

OAa3nu595dA7afB.exeOAa3nu595dA7afB.exeraserver.exe

description	pid	process	target process
PID 1100 set thread context of 1540	1100	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 1540 set thread context of 1196	1540	OAa3nu595dA7afB.exe	Explorer.EXE
PID 1540 set thread context of 1196	1540	OAa3nu595dA7afB.exe	Explorer.EXE
PID 764 set thread context of 1196	764	raserver.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

OAa3nu595dA7afB.exeOAa3nu595dA7afB.exeraserver.exe

pid	process
1100	OAa3nu595dA7afB.exe
1540	OAa3nu595dA7afB.exe
1540	OAa3nu595dA7afB.exe
1540	OAa3nu595dA7afB.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe
764	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

OAa3nu595dA7afB.exeraserver.exe

pid process

1540 OAa3nu595dA7afB.exe
1540 OAa3nu595dA7afB.exe
1540 OAa3nu595dA7afB.exe
1540 OAa3nu595dA7afB.exe
764 raserver.exe
764 raserver.exe

pid	process
1540	OAa3nu595dA7afB.exe
1540	OAa3nu595dA7afB.exe
1540	OAa3nu595dA7afB.exe
1540	OAa3nu595dA7afB.exe
764	raserver.exe
764	raserver.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

OAa3nu595dA7afB.exeOAa3nu595dA7afB.exeraserver.exe

description	pid	process
Token: SeDebugPrivilege	1100	OAa3nu595dA7afB.exe
Token: SeDebugPrivilege	1540	OAa3nu595dA7afB.exe
Token: SeDebugPrivilege	764	raserver.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

OAa3nu595dA7afB.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 1100 wrote to memory of 1084	1100	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 1100 wrote to memory of 1084	1100	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 1100 wrote to memory of 1084	1100	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 1100 wrote to memory of 1084	1100	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 1100 wrote to memory of 1540	1100	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 1100 wrote to memory of 1540	1100	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 1100 wrote to memory of 1540	1100	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 1100 wrote to memory of 1540	1100	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 1100 wrote to memory of 1540	1100	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 1100 wrote to memory of 1540	1100	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 1100 wrote to memory of 1540	1100	OAa3nu595dA7afB.exe	OAa3nu595dA7afB.exe
PID 1196 wrote to memory of 764	1196	Explorer.EXE	raserver.exe
PID 1196 wrote to memory of 764	1196	Explorer.EXE	raserver.exe
PID 1196 wrote to memory of 764	1196	Explorer.EXE	raserver.exe
PID 1196 wrote to memory of 764	1196	Explorer.EXE	raserver.exe
PID 764 wrote to memory of 1632	764	raserver.exe	cmd.exe
PID 764 wrote to memory of 1632	764	raserver.exe	cmd.exe
PID 764 wrote to memory of 1632	764	raserver.exe	cmd.exe
PID 764 wrote to memory of 1632	764	raserver.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1196

C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe
"C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100

C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe
"C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"
3⤵
PID:1084

C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe
"C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1540

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:764

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"
3⤵
- Deletes itself
PID:1632

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/764-83-0x0000000000990000-0x0000000000A24000-memory.dmp

Filesize
592KB

Download
memory/764-77-0x0000000000000000-mapping.dmp

Download
memory/764-80-0x0000000000DE0000-0x0000000000DFC000-memory.dmp

Filesize
112KB

Download
memory/764-81-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/764-82-0x0000000000A40000-0x0000000000D43000-memory.dmp

Filesize
3.0MB

Download
memory/1100-64-0x00000000002E0000-0x00000000002E5000-memory.dmp

Filesize
20KB

Download
memory/1100-60-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

Filesize
4KB

Download
memory/1100-65-0x0000000005120000-0x0000000005196000-memory.dmp

Filesize
472KB

Download
memory/1100-63-0x0000000004830000-0x0000000004831000-memory.dmp

Filesize
4KB

Download
memory/1100-62-0x0000000075B31000-0x0000000075B33000-memory.dmp

Filesize
8KB

Download
memory/1196-84-0x0000000004B30000-0x0000000004C28000-memory.dmp

Filesize
992KB

Download
memory/1196-76-0x0000000006350000-0x00000000064E3000-memory.dmp

Filesize
1.6MB

Download
memory/1196-73-0x0000000007690000-0x0000000007838000-memory.dmp

Filesize
1.7MB

Download
memory/1540-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1540-75-0x0000000000200000-0x0000000000215000-memory.dmp

Filesize
84KB

Download
memory/1540-74-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1540-72-0x0000000000130000-0x0000000000145000-memory.dmp

Filesize
84KB

Download
memory/1540-71-0x0000000000B70000-0x0000000000E73000-memory.dmp

Filesize
3.0MB

Download
memory/1540-69-0x000000000041F200-mapping.dmp

Download
memory/1540-68-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1540-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1632-79-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads