formbook | 9023f0cc507f746788a4045b15e8e6fd4fc1825a2939f921df55682ada554b7d

General

Target

Ã¼rÃ¼n Ã¶rnekleri pdf.exe
Size

917KB
MD5

74ddae6f1130eb1417574d1c36811272
SHA1

233885c441c6415b0caeb7257fe4024172f05035
SHA256

e6ea3a65882a66ce80f1567ea6e7daab614a3dcc269ad4ade427e60be64fc255
SHA512

0a8c835a558dd7715ec8abfca95b45c01e5dded4085d641ac4fb23851969ec389cc82ccd2f89dfffaa6e6b867caa7d255c0f4ec08cd3ed712dbefcaf79b7e3fd

Score

10^/10

formbook n7ak rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

C2

http://www.kmresults.com/n7ak/

Decoy

modischoolcbse.com

theneverwinter.com

rszkjx-vps-hosting.website

fnihil.com

1pbet.com

nnowzscorrez.com

uaotgvjl.icu

starmapsqatar.com

ekisilani.com

extradeepsheets.com

jam-nins.com

buranly.com

orixentertainment.com

rawtech.energy

myol.guru

utex.club

jiapie.com

wowig.store

wweidlyyl.com

systaskautomation.com

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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1100-68-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1100-69-0x000000000041ECE0-mapping.dmp	formbook
behavioral1/memory/848-76-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1800 cmd.exe

pid	process
1800	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Ã¼rÃ¼n Ã¶rnekleri pdf.exeÃ¼rÃ¼n Ã¶rnekleri pdf.execmmon32.exe

description	pid	process	target process
PID 1804 set thread context of 1100	1804	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
PID 1100 set thread context of 1204	1100	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Explorer.EXE
PID 848 set thread context of 1204	848	cmmon32.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
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

892 schtasks.exe

pid	process
892	schtasks.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

Ã¼rÃ¼n Ã¶rnekleri pdf.execmmon32.exe

pid	process
1100	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
1100	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe
848	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Ã¼rÃ¼n Ã¶rnekleri pdf.execmmon32.exe

pid process

1100 Ã¼rÃ¼n Ã¶rnekleri pdf.exe
1100 Ã¼rÃ¼n Ã¶rnekleri pdf.exe
1100 Ã¼rÃ¼n Ã¶rnekleri pdf.exe
848 cmmon32.exe
848 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Ã¼rÃ¼n Ã¶rnekleri pdf.execmmon32.exe

description pid process

Token: SeDebugPrivilege 1100 Ã¼rÃ¼n Ã¶rnekleri pdf.exe
Token: SeDebugPrivilege 848 cmmon32.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE
1204 Explorer.EXE
1204 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE
1204 Explorer.EXE
1204 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1100	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
Token: SeDebugPrivilege	848	cmmon32.exe

pid	process
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE

pid	process
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

Ã¼rÃ¼n Ã¶rnekleri pdf.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1804 wrote to memory of 892	1804	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	schtasks.exe
PID 1804 wrote to memory of 892	1804	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	schtasks.exe
PID 1804 wrote to memory of 892	1804	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	schtasks.exe
PID 1804 wrote to memory of 892	1804	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	schtasks.exe
PID 1804 wrote to memory of 1100	1804	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
PID 1804 wrote to memory of 1100	1804	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
PID 1804 wrote to memory of 1100	1804	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
PID 1804 wrote to memory of 1100	1804	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
PID 1804 wrote to memory of 1100	1804	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
PID 1804 wrote to memory of 1100	1804	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
PID 1804 wrote to memory of 1100	1804	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
PID 1204 wrote to memory of 848	1204	Explorer.EXE	cmmon32.exe
PID 1204 wrote to memory of 848	1204	Explorer.EXE	cmmon32.exe
PID 1204 wrote to memory of 848	1204	Explorer.EXE	cmmon32.exe
PID 1204 wrote to memory of 848	1204	Explorer.EXE	cmmon32.exe
PID 848 wrote to memory of 1800	848	cmmon32.exe	cmd.exe
PID 848 wrote to memory of 1800	848	cmmon32.exe	cmd.exe
PID 848 wrote to memory of 1800	848	cmmon32.exe	cmd.exe
PID 848 wrote to memory of 1800	848	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:1204

C:\Users\Admin\AppData\Local\Temp\Ã¼rÃ¼n Ã¶rnekleri pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Ã¼rÃ¼n Ã¶rnekleri pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1804

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CyLcKKHcd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7C51.tmp"
3⤵
- Creates scheduled task(s)
PID:892

C:\Users\Admin\AppData\Local\Temp\Ã¼rÃ¼n Ã¶rnekleri pdf.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1100

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:848

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Ã¼rÃ¼n Ã¶rnekleri pdf.exe"
3⤵
- Deletes itself
PID:1800

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7C51.tmp
MD5
35e9154bbbf8eadd3785a7a516926fda

SHA1
6a4ee5febf967cb888bd8bae7bf720da0a375ba6

SHA256
0e1fce11978c4f0cf924a453d776bb12011d91601cdc17c71ba0f05cdd17edf8

SHA512
9208c90b0f7d0a6104c93513d5fbc88dd12100f192b1663fddb80df8bfcf309015004d657e99c3a0e39653507ecf6a29e8946506fd93da700480f0623cde16ab

Download Submit
memory/848-73-0x0000000000000000-mapping.dmp

Download
memory/848-80-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/848-78-0x0000000001DC0000-0x0000000001E53000-memory.dmp

Filesize
588KB

Download
memory/848-77-0x0000000001EB0000-0x00000000021B3000-memory.dmp

Filesize
3.0MB

Download
memory/848-76-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/848-75-0x0000000000910000-0x000000000091D000-memory.dmp

Filesize
52KB

Download
memory/892-66-0x0000000000000000-mapping.dmp

Download
memory/1100-69-0x000000000041ECE0-mapping.dmp

Download
memory/1100-71-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/1100-70-0x0000000000A80000-0x0000000000D83000-memory.dmp

Filesize
3.0MB

Download
memory/1100-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1204-72-0x00000000061A0000-0x00000000062C7000-memory.dmp

Filesize
1.2MB

Download
memory/1204-79-0x0000000003F60000-0x000000000402D000-memory.dmp

Filesize
820KB

Download
memory/1800-74-0x0000000000000000-mapping.dmp

Download
memory/1804-60-0x0000000000990000-0x0000000000991000-memory.dmp

Filesize
4KB

Download
memory/1804-65-0x0000000002040000-0x0000000002080000-memory.dmp

Filesize
256KB

Download
memory/1804-64-0x0000000005EE0000-0x0000000005F71000-memory.dmp

Filesize
580KB

Download
memory/1804-63-0x0000000000530000-0x000000000053E000-memory.dmp

Filesize
56KB

Download
memory/1804-62-0x00000000043B0000-0x00000000043B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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