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
behavioral2/memory/640-127-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/640-128-0x000000000041ECE0-mapping.dmp	formbook
behavioral2/memory/1568-134-0x0000000000A20000-0x0000000000A4E000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

Ã¼rÃ¼n Ã¶rnekleri pdf.exeÃ¼rÃ¼n Ã¶rnekleri pdf.exeNETSTAT.EXE

description	pid	process	target process
PID 808 set thread context of 640	808	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
PID 640 set thread context of 3056	640	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Explorer.EXE
PID 1568 set thread context of 3056	1568	NETSTAT.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

2036 schtasks.exe
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

1568 NETSTAT.EXE

pid	process
2036	schtasks.exe

pid	process
1568	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 45 IoCs

Processes:

Ã¼rÃ¼n Ã¶rnekleri pdf.exeÃ¼rÃ¼n Ã¶rnekleri pdf.exeNETSTAT.EXE

pid	process
808	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
640	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
640	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
640	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
640	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE
1568	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3056 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Ã¼rÃ¼n Ã¶rnekleri pdf.exeNETSTAT.EXE

pid process

640 Ã¼rÃ¼n Ã¶rnekleri pdf.exe
640 Ã¼rÃ¼n Ã¶rnekleri pdf.exe
640 Ã¼rÃ¼n Ã¶rnekleri pdf.exe
1568 NETSTAT.EXE
1568 NETSTAT.EXE

pid	process
3056	Explorer.EXE

pid	process
640	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
640	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
640	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
1568	NETSTAT.EXE
1568	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Ã¼rÃ¼n Ã¶rnekleri pdf.exeÃ¼rÃ¼n Ã¶rnekleri pdf.exeNETSTAT.EXE

description	pid	process
Token: SeDebugPrivilege	808	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
Token: SeDebugPrivilege	640	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
Token: SeDebugPrivilege	1568	NETSTAT.EXE

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3056 Explorer.EXE

pid	process
3056	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Ã¼rÃ¼n Ã¶rnekleri pdf.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 808 wrote to memory of 2036	808	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	schtasks.exe
PID 808 wrote to memory of 2036	808	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	schtasks.exe
PID 808 wrote to memory of 2036	808	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	schtasks.exe
PID 808 wrote to memory of 640	808	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
PID 808 wrote to memory of 640	808	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
PID 808 wrote to memory of 640	808	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
PID 808 wrote to memory of 640	808	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
PID 808 wrote to memory of 640	808	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
PID 808 wrote to memory of 640	808	Ã¼rÃ¼n Ã¶rnekleri pdf.exe	Ã¼rÃ¼n Ã¶rnekleri pdf.exe
PID 3056 wrote to memory of 1568	3056	Explorer.EXE	NETSTAT.EXE
PID 3056 wrote to memory of 1568	3056	Explorer.EXE	NETSTAT.EXE
PID 3056 wrote to memory of 1568	3056	Explorer.EXE	NETSTAT.EXE
PID 1568 wrote to memory of 3876	1568	NETSTAT.EXE	cmd.exe
PID 1568 wrote to memory of 3876	1568	NETSTAT.EXE	cmd.exe
PID 1568 wrote to memory of 3876	1568	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3056

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CyLcKKHcd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2FDB.tmp"
3⤵
- Creates scheduled task(s)
PID:2036

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:640

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Ã¼rÃ¼n Ã¶rnekleri pdf.exe"
3⤵
PID:3876

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Command-Line Interface

1

T1059

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2FDB.tmp
MD5
862c2230c6323650837e496fc3a2e4fa

SHA1
2f50377ee6e16c9548c6886d18feb00f0f7720d9

SHA256
7b8ba9aa096287865cc3c8843d46d5231e630682adbab30da2c3383997447d0b

SHA512
15bd52a52caf1c39fbdcb36e02b87c71ee945e52fecdc92c78b32bcead9ecba7c435cc635d29c372302062bf05812da6db526bad09cbbef1be3d8ccc35b034b6

Download Submit
memory/640-129-0x0000000001290000-0x00000000015B0000-memory.dmp

Filesize
3.1MB

Download
memory/640-130-0x0000000000FA0000-0x0000000000FB4000-memory.dmp

Filesize
80KB

Download
memory/640-128-0x000000000041ECE0-mapping.dmp

Download
memory/640-127-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/808-121-0x00000000052C0000-0x00000000052C1000-memory.dmp

Filesize
4KB

Download
memory/808-116-0x0000000005040000-0x0000000005041000-memory.dmp

Filesize
4KB

Download
memory/808-122-0x0000000004A60000-0x0000000004A6E000-memory.dmp

Filesize
56KB

Download
memory/808-123-0x000000000DCD0000-0x000000000DD61000-memory.dmp

Filesize
580KB

Download
memory/808-124-0x0000000006D60000-0x0000000006DA0000-memory.dmp

Filesize
256KB

Download
memory/808-114-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/808-120-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

Filesize
4KB

Download
memory/808-119-0x00000000050E0000-0x00000000055DE000-memory.dmp

Filesize
5.0MB

Download
memory/808-118-0x00000000050E0000-0x00000000050E1000-memory.dmp

Filesize
4KB

Download
memory/808-117-0x00000000055E0000-0x00000000055E1000-memory.dmp

Filesize
4KB

Download
memory/1568-133-0x0000000000F80000-0x0000000000F8B000-memory.dmp

Filesize
44KB

Download
memory/1568-132-0x0000000000000000-mapping.dmp

Download
memory/1568-134-0x0000000000A20000-0x0000000000A4E000-memory.dmp

Filesize
184KB

Download
memory/1568-135-0x00000000032D0000-0x00000000035F0000-memory.dmp

Filesize
3.1MB

Download
memory/1568-137-0x0000000003080000-0x0000000003113000-memory.dmp

Filesize
588KB

Download
memory/2036-125-0x0000000000000000-mapping.dmp

Download
memory/3056-131-0x0000000003290000-0x000000000338A000-memory.dmp

Filesize
1000KB

Download
memory/3056-138-0x00000000057D0000-0x00000000058B1000-memory.dmp

Filesize
900KB

Download
memory/3876-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads