formbook | 540021aa05d8985bf6eca783d86cdada2727b5ed0b1a943cb9cdfb224a4e50f1

General

Target

Confirm!!!.exe
Size

1.1MB
MD5

7afd3b350ea6451b47be2058c07365de
SHA1

8186d625b6f406d71a27aa8ef51f52902c5c26f0
SHA256

540021aa05d8985bf6eca783d86cdada2727b5ed0b1a943cb9cdfb224a4e50f1
SHA512

02a7ec42b3d9c9f6e6b1538406b08fccd1a661c05d62b89a211443bad25acf520d78711906009f1215647971e6d7e8a65fddbe06efcc32c438e0b7e8b53d34d1

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.deuxus.com/t052/

Decoy

ladybug-learning.com

unforgottenstory.com

oldmopaiv.xyz

natashaexim.com

hannahmcelgunn.com

retargetingmachines.info

njoconline.com

unicornlankadelivery.com

giftkerala.com

englishfordoctors.online

schatzilandrvresort.com

brujoisaac.com

basiccampinggear.com

escapees.today

dgyxsy888.com

stevebana.xyz

mimozakebap.com

ezdoff.com

pluumyspalace.com

shaoshanshan.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/924-65-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/924-66-0x000000000041ECC0-mapping.dmp	formbook
behavioral1/memory/1192-74-0x0000000000090000-0x00000000000BE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

916 cmd.exe

pid	process
916	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Confirm!!!.exeConfirm!!!.exemsiexec.exe

description	pid	process	target process
PID 1240 set thread context of 924	1240	Confirm!!!.exe	Confirm!!!.exe
PID 924 set thread context of 1216	924	Confirm!!!.exe	Explorer.EXE
PID 1192 set thread context of 1216	1192	msiexec.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

Confirm!!!.exeConfirm!!!.exemsiexec.exe

pid	process
1240	Confirm!!!.exe
924	Confirm!!!.exe
924	Confirm!!!.exe
1192	msiexec.exe
1192	msiexec.exe
1192	msiexec.exe
1192	msiexec.exe
1192	msiexec.exe
1192	msiexec.exe
1192	msiexec.exe
1192	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Confirm!!!.exemsiexec.exe

pid process

924 Confirm!!!.exe
924 Confirm!!!.exe
924 Confirm!!!.exe
1192 msiexec.exe
1192 msiexec.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Confirm!!!.exeConfirm!!!.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 1240 Confirm!!!.exe
Token: SeDebugPrivilege 924 Confirm!!!.exe
Token: SeDebugPrivilege 1192 msiexec.exe

pid	process
924	Confirm!!!.exe
924	Confirm!!!.exe
924	Confirm!!!.exe
1192	msiexec.exe
1192	msiexec.exe

description	pid	process
Token: SeDebugPrivilege	1240	Confirm!!!.exe
Token: SeDebugPrivilege	924	Confirm!!!.exe
Token: SeDebugPrivilege	1192	msiexec.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

Confirm!!!.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 1240 wrote to memory of 924	1240	Confirm!!!.exe	Confirm!!!.exe
PID 1240 wrote to memory of 924	1240	Confirm!!!.exe	Confirm!!!.exe
PID 1240 wrote to memory of 924	1240	Confirm!!!.exe	Confirm!!!.exe
PID 1240 wrote to memory of 924	1240	Confirm!!!.exe	Confirm!!!.exe
PID 1240 wrote to memory of 924	1240	Confirm!!!.exe	Confirm!!!.exe
PID 1240 wrote to memory of 924	1240	Confirm!!!.exe	Confirm!!!.exe
PID 1240 wrote to memory of 924	1240	Confirm!!!.exe	Confirm!!!.exe
PID 1216 wrote to memory of 1192	1216	Explorer.EXE	msiexec.exe
PID 1216 wrote to memory of 1192	1216	Explorer.EXE	msiexec.exe
PID 1216 wrote to memory of 1192	1216	Explorer.EXE	msiexec.exe
PID 1216 wrote to memory of 1192	1216	Explorer.EXE	msiexec.exe
PID 1216 wrote to memory of 1192	1216	Explorer.EXE	msiexec.exe
PID 1216 wrote to memory of 1192	1216	Explorer.EXE	msiexec.exe
PID 1216 wrote to memory of 1192	1216	Explorer.EXE	msiexec.exe
PID 1192 wrote to memory of 916	1192	msiexec.exe	cmd.exe
PID 1192 wrote to memory of 916	1192	msiexec.exe	cmd.exe
PID 1192 wrote to memory of 916	1192	msiexec.exe	cmd.exe
PID 1192 wrote to memory of 916	1192	msiexec.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1216

C:\Users\Admin\AppData\Local\Temp\Confirm!!!.exe
"C:\Users\Admin\AppData\Local\Temp\Confirm!!!.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1240

C:\Users\Admin\AppData\Local\Temp\Confirm!!!.exe
"C:\Users\Admin\AppData\Local\Temp\Confirm!!!.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:924

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1192

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Confirm!!!.exe"
3⤵
- Deletes itself
PID:916

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/916-75-0x0000000000000000-mapping.dmp

Download
memory/924-65-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/924-66-0x000000000041ECC0-mapping.dmp

Download
memory/924-68-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/924-69-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/1192-72-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/1192-77-0x0000000000BF0000-0x0000000000C83000-memory.dmp

Filesize
588KB

Download
memory/1192-76-0x0000000002370000-0x0000000002673000-memory.dmp

Filesize
3.0MB

Download
memory/1192-74-0x0000000000090000-0x00000000000BE000-memory.dmp

Filesize
184KB

Download
memory/1192-73-0x0000000000F50000-0x0000000000F64000-memory.dmp

Filesize
80KB

Download
memory/1192-71-0x0000000000000000-mapping.dmp

Download
memory/1216-70-0x00000000049F0000-0x0000000004AA1000-memory.dmp

Filesize
708KB

Download
memory/1216-78-0x0000000004B50000-0x0000000004C4D000-memory.dmp

Filesize
1012KB

Download
memory/1240-59-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

Filesize
4KB

Download
memory/1240-64-0x00000000043C0000-0x00000000043F8000-memory.dmp

Filesize
224KB

Download
memory/1240-63-0x00000000052F0000-0x000000000536D000-memory.dmp

Filesize
500KB

Download
memory/1240-62-0x00000000003F0000-0x00000000003FE000-memory.dmp

Filesize
56KB

Download
memory/1240-61-0x0000000004E30000-0x0000000004E31000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads