formbook | f31eb9a6841607a9a9cf253ef2ad8d27ac6d13289ee5420ebcf7f0f47ef46736

General

Target

1.exe
Size

652KB
MD5

ab6287e540cccfff7fc470053db92302
SHA1

09387a7e22e87c9555cd8abc2a9801c6e678dc05
SHA256

f31eb9a6841607a9a9cf253ef2ad8d27ac6d13289ee5420ebcf7f0f47ef46736
SHA512

3e641de591b8385408a476449cb5015d423e7ddf76b7da6299e5ff32e5d63a2fc9339c8fb21b016e457558b2e71d5d84a3ea5d949c49e42806ad729347e32da2

Score

10^/10

formbook snr6 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

snr6

C2

http://www.reynbetgirisi.com/snr6/

Decoy

jjglassmi1.com

vpsseattle.com

drfllc.top

staycoolonline.com

eptlove.com

solusimatasehat.site

ionrarecharlestonproperties.com

b3eflucg.xyz

tvchosun-usa.com

mmahzxwzsadqlshop.life

gospelimport.com

demoapps.website

jackburst54.com

99rocket.education

ccbwithbri.com

trapperairsoft.com

useroadly.com

ralphlaurenonline-nl.com

loanmaster4u.com

champ-beauty-tomigaoka-nail.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/1352-64-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1352-65-0x000000000041F130-mapping.dmp	formbook
behavioral1/memory/428-73-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1096 cmd.exe

pid	process
1096	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

1.exe1.execmmon32.exe

description	pid	process	target process
PID 268 set thread context of 1352	268	1.exe	1.exe
PID 1352 set thread context of 1272	1352	1.exe	Explorer.EXE
PID 428 set thread context of 1272	428	cmmon32.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

1.execmmon32.exe

pid	process
1352	1.exe
1352	1.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe
428	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

1.execmmon32.exe

pid process

1352 1.exe
1352 1.exe
1352 1.exe
428 cmmon32.exe
428 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1.execmmon32.exe

description pid process

Token: SeDebugPrivilege 1352 1.exe
Token: SeDebugPrivilege 428 cmmon32.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1272 Explorer.EXE
1272 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1272 Explorer.EXE
1272 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1352	1.exe
Token: SeDebugPrivilege	428	cmmon32.exe

pid	process
1272	Explorer.EXE
1272	Explorer.EXE

pid	process
1272	Explorer.EXE
1272	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

1.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 268 wrote to memory of 1352	268	1.exe	1.exe
PID 268 wrote to memory of 1352	268	1.exe	1.exe
PID 268 wrote to memory of 1352	268	1.exe	1.exe
PID 268 wrote to memory of 1352	268	1.exe	1.exe
PID 268 wrote to memory of 1352	268	1.exe	1.exe
PID 268 wrote to memory of 1352	268	1.exe	1.exe
PID 268 wrote to memory of 1352	268	1.exe	1.exe
PID 1272 wrote to memory of 428	1272	Explorer.EXE	cmmon32.exe
PID 1272 wrote to memory of 428	1272	Explorer.EXE	cmmon32.exe
PID 1272 wrote to memory of 428	1272	Explorer.EXE	cmmon32.exe
PID 1272 wrote to memory of 428	1272	Explorer.EXE	cmmon32.exe
PID 428 wrote to memory of 1096	428	cmmon32.exe	cmd.exe
PID 428 wrote to memory of 1096	428	cmmon32.exe	cmd.exe
PID 428 wrote to memory of 1096	428	cmmon32.exe	cmd.exe
PID 428 wrote to memory of 1096	428	cmmon32.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:1272

C:\Users\Admin\AppData\Local\Temp\1.exe
"C:\Users\Admin\AppData\Local\Temp\1.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:268

C:\Users\Admin\AppData\Local\Temp\1.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1352

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:428

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\1.exe"
3⤵
- Deletes itself
PID:1096

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/268-56-0x0000000074F81000-0x0000000074F83000-memory.dmp

Filesize
8KB

Download
memory/268-57-0x0000000004C30000-0x0000000004C31000-memory.dmp

Filesize
4KB

Download
memory/268-58-0x0000000000580000-0x000000000058E000-memory.dmp

Filesize
56KB

Download
memory/268-59-0x000000007EF40000-0x000000007EF41000-memory.dmp

Filesize
4KB

Download
memory/268-60-0x00000000051F0000-0x0000000005271000-memory.dmp

Filesize
516KB

Download
memory/268-61-0x0000000000A80000-0x0000000000AB0000-memory.dmp

Filesize
192KB

Download
memory/268-54-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Filesize
4KB

Download
memory/428-70-0x0000000000000000-mapping.dmp

Download
memory/428-75-0x0000000000910000-0x00000000009A3000-memory.dmp

Filesize
588KB

Download
memory/428-73-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/428-74-0x0000000001E50000-0x0000000002153000-memory.dmp

Filesize
3.0MB

Download
memory/428-72-0x0000000000A40000-0x0000000000A4D000-memory.dmp

Filesize
52KB

Download
memory/1096-71-0x0000000000000000-mapping.dmp

Download
memory/1272-69-0x0000000007030000-0x00000000071A9000-memory.dmp

Filesize
1.5MB

Download
memory/1272-76-0x0000000007340000-0x00000000074B6000-memory.dmp

Filesize
1.5MB

Download
memory/1352-68-0x00000000002A0000-0x00000000002B4000-memory.dmp

Filesize
80KB

Download
memory/1352-67-0x0000000000C50000-0x0000000000F53000-memory.dmp

Filesize
3.0MB

Download
memory/1352-65-0x000000000041F130-mapping.dmp

Download
memory/1352-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1352-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1352-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads