formbook | cbc831d19e29947144c416d0ab032ea3ef32b01f2bcfc0bd874b2c301cbeaf6b

General

Target

yeni sipari? pdf.exe
Size

855KB
MD5

b66417695e3a8844a9ee9fa5828bfd8c
SHA1

701f2da68cfe095527a6c66fd6aee55204eb57d9
SHA256

8f10623db4fc1e8289a02e94db58942a94a25c59a06e559fa910094da3db7e9d
SHA512

98121e7d46376026499e450c519d012e721a14b075e46e711b077a7beb507a77dc3a4e4264cd9e52346c88e56a8607235e942f29be504f72d837e8de7dba242d

Score

10^/10

formbook n7ak persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

Decoy

audereventur.com

huro14.com

wwwjinsha155.com

antiquevendor.com

samuraisoulfood.net

traffic4updates.download

hypersarv.com

rapport-happy-wedding.com

rokutechnosupport.online

allworljob.com

hanaleedossmann.com

kauai-marathon.com

bepbosch.com

kangen-international.com

zoneshopemenowz.com

belviderewrestling.com

ipllink.com

sellingforcreators.com

wwwswty6655.com

qtumboa.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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1784-60-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral1/memory/436-67-0x0000000000080000-0x00000000000AD000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

996 cmd.exe

pid	process
996	cmd.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

yeni sipari_ pdf.execmmon32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run	yeni sipari_ pdf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\ProPlayer = "C:\\Users\\Admin\\AppData\\Roaming\\ProPlayer\\Player.exe.exe"	yeni sipari_ pdf.exe
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	cmmon32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VFIHZLNHGZY8 = "C:\\Program Files (x86)\\Albs\\taskhost8pm81.exe"	cmmon32.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

yeni sipari_ pdf.exeyeni sipari_ pdf.EXEcmmon32.exe

description	pid	process	target process
PID 1272 set thread context of 1784	1272	yeni sipari_ pdf.exe	yeni sipari_ pdf.EXE
PID 1784 set thread context of 1220	1784	yeni sipari_ pdf.EXE	Explorer.EXE
PID 436 set thread context of 1220	436	cmmon32.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

cmmon32.exe

description ioc process

File opened for modification C:\Program Files (x86)\Albs\taskhost8pm81.exe cmmon32.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Albs\taskhost8pm81.exe	cmmon32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmmon32.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2329389628-4064185017-3901522362-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmmon32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

yeni sipari_ pdf.EXEcmmon32.exe

pid	process
1784	yeni sipari_ pdf.EXE
1784	yeni sipari_ pdf.EXE
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

yeni sipari_ pdf.EXEcmmon32.exe

pid process

1784 yeni sipari_ pdf.EXE
1784 yeni sipari_ pdf.EXE
1784 yeni sipari_ pdf.EXE
436 cmmon32.exe
436 cmmon32.exe
436 cmmon32.exe
436 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

yeni sipari_ pdf.EXEcmmon32.exe

description pid process

Token: SeDebugPrivilege 1784 yeni sipari_ pdf.EXE
Token: SeDebugPrivilege 436 cmmon32.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

yeni sipari_ pdf.exe

pid process

1272 yeni sipari_ pdf.exe

pid	process
1220	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1784	yeni sipari_ pdf.EXE
Token: SeDebugPrivilege	436	cmmon32.exe

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1272	yeni sipari_ pdf.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

yeni sipari_ pdf.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1272 wrote to memory of 1784	1272	yeni sipari_ pdf.exe	yeni sipari_ pdf.EXE
PID 1272 wrote to memory of 1784	1272	yeni sipari_ pdf.exe	yeni sipari_ pdf.EXE
PID 1272 wrote to memory of 1784	1272	yeni sipari_ pdf.exe	yeni sipari_ pdf.EXE
PID 1272 wrote to memory of 1784	1272	yeni sipari_ pdf.exe	yeni sipari_ pdf.EXE
PID 1272 wrote to memory of 1784	1272	yeni sipari_ pdf.exe	yeni sipari_ pdf.EXE
PID 1272 wrote to memory of 1784	1272	yeni sipari_ pdf.exe	yeni sipari_ pdf.EXE
PID 1272 wrote to memory of 1784	1272	yeni sipari_ pdf.exe	yeni sipari_ pdf.EXE
PID 1220 wrote to memory of 436	1220	Explorer.EXE	cmmon32.exe
PID 1220 wrote to memory of 436	1220	Explorer.EXE	cmmon32.exe
PID 1220 wrote to memory of 436	1220	Explorer.EXE	cmmon32.exe
PID 1220 wrote to memory of 436	1220	Explorer.EXE	cmmon32.exe
PID 436 wrote to memory of 996	436	cmmon32.exe	cmd.exe
PID 436 wrote to memory of 996	436	cmmon32.exe	cmd.exe
PID 436 wrote to memory of 996	436	cmmon32.exe	cmd.exe
PID 436 wrote to memory of 996	436	cmmon32.exe	cmd.exe
PID 436 wrote to memory of 1180	436	cmmon32.exe	Firefox.exe
PID 436 wrote to memory of 1180	436	cmmon32.exe	Firefox.exe
PID 436 wrote to memory of 1180	436	cmmon32.exe	Firefox.exe
PID 436 wrote to memory of 1180	436	cmmon32.exe	Firefox.exe
PID 436 wrote to memory of 1180	436	cmmon32.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1220

C:\Users\Admin\AppData\Local\Temp\yeni sipari_ pdf.exe
"C:\Users\Admin\AppData\Local\Temp\yeni sipari_ pdf.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1272

C:\Users\Admin\AppData\Local\Temp\yeni sipari_ pdf.EXE
"C:\Users\Admin\AppData\Local\Temp\yeni sipari_ pdf.EXE"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1784

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:436

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\yeni sipari_ pdf.EXE"
3⤵
- Deletes itself
PID:996

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1180

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/436-69-0x00000000009A0000-0x0000000000A33000-memory.dmp

Filesize
588KB

Download
memory/436-68-0x00000000020C0000-0x00000000023C3000-memory.dmp

Filesize
3.0MB

Download
memory/436-67-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/436-66-0x0000000000CB0000-0x0000000000CBD000-memory.dmp

Filesize
52KB

Download
memory/1220-65-0x0000000005020000-0x000000000511A000-memory.dmp

Filesize
1000KB

Download
memory/1220-70-0x00000000049C0000-0x0000000004B36000-memory.dmp

Filesize
1.5MB

Download
memory/1272-57-0x00000000756C1000-0x00000000756C3000-memory.dmp

Filesize
8KB

Download
memory/1784-60-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1784-64-0x0000000000480000-0x0000000000494000-memory.dmp

Filesize
80KB

Download
memory/1784-62-0x0000000000730000-0x0000000000A33000-memory.dmp

Filesize
3.0MB

Download
memory/1784-63-0x000000000041E000-0x000000000041F000-memory.dmp

Filesize
4KB

Download
memory/1784-59-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1784-58-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads