formbook | 89ce5deea4986b1d484b34bee77c58899dab5ce01c8f62b9ac2ca8e9bbed79bd

General

Target

kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe
Size

382KB
MD5

69c60f14117c4a3440b945c28dcff034
SHA1

1891b961eb682ba5fbe8e2be9bb0a5c748c73cfc
SHA256

89ce5deea4986b1d484b34bee77c58899dab5ce01c8f62b9ac2ca8e9bbed79bd
SHA512

0b8f798757f1ab70430db150d6c2251484f25c7bed52bab32ddcc12adb2a41930c420e4eda194dd980af99012c9315b085eb5eb24d04f3059f2259241eaa9ee0

Score

10^/10

formbook xloader loader persistence rat spyware stealer suricata trojan

Malware Config

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/900-59-0x0000000000420170-mapping.dmp	xloader
behavioral1/memory/900-58-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/900-61-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/736-68-0x0000000000100000-0x000000000012C000-memory.dmp	xloader
behavioral1/memory/736-72-0x0000000000100000-0x000000000012C000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

NAPSTAT.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	NAPSTAT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\-ZH8KLGP4FB = "C:\\Program Files (x86)\\Rhtnlwb\\gdibdg.exe"	NAPSTAT.EXE

Loads dropped DLL 1 IoCs

Processes:

NAPSTAT.EXE

pid process

736 NAPSTAT.EXE

pid	process
736	NAPSTAT.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

kargonuzu doğrulayın_07052022-Ref_#1326425139484.execvtres.exeNAPSTAT.EXE

description	pid	process	target process
PID 1044 set thread context of 900	1044	kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe	cvtres.exe
PID 900 set thread context of 1232	900	cvtres.exe	Explorer.EXE
PID 736 set thread context of 1232	736	NAPSTAT.EXE	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

NAPSTAT.EXE

description ioc process

File opened for modification C:\Program Files (x86)\Rhtnlwb\gdibdg.exe NAPSTAT.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Rhtnlwb\gdibdg.exe	NAPSTAT.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

NAPSTAT.EXE

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NAPSTAT.EXE

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

cvtres.exeNAPSTAT.EXE

pid	process
900	cvtres.exe
900	cvtres.exe
736	NAPSTAT.EXE
736	NAPSTAT.EXE
736	NAPSTAT.EXE
736	NAPSTAT.EXE
736	NAPSTAT.EXE
736	NAPSTAT.EXE
736	NAPSTAT.EXE
736	NAPSTAT.EXE
736	NAPSTAT.EXE
736	NAPSTAT.EXE
736	NAPSTAT.EXE
736	NAPSTAT.EXE
736	NAPSTAT.EXE
736	NAPSTAT.EXE
736	NAPSTAT.EXE
736	NAPSTAT.EXE
736	NAPSTAT.EXE
736	NAPSTAT.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

cvtres.exeNAPSTAT.EXE

pid process

900 cvtres.exe
900 cvtres.exe
900 cvtres.exe
736 NAPSTAT.EXE
736 NAPSTAT.EXE
736 NAPSTAT.EXE
736 NAPSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cvtres.exeNAPSTAT.EXE

description pid process

Token: SeDebugPrivilege 900 cvtres.exe
Token: SeDebugPrivilege 736 NAPSTAT.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1232 Explorer.EXE
1232 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1232 Explorer.EXE
1232 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	900	cvtres.exe
Token: SeDebugPrivilege	736	NAPSTAT.EXE

pid	process
1232	Explorer.EXE
1232	Explorer.EXE

pid	process
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

kargonuzu doğrulayın_07052022-Ref_#1326425139484.exeExplorer.EXENAPSTAT.EXE

description	pid	process	target process
PID 1044 wrote to memory of 900	1044	kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe	cvtres.exe
PID 1044 wrote to memory of 900	1044	kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe	cvtres.exe
PID 1044 wrote to memory of 900	1044	kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe	cvtres.exe
PID 1044 wrote to memory of 900	1044	kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe	cvtres.exe
PID 1044 wrote to memory of 900	1044	kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe	cvtres.exe
PID 1044 wrote to memory of 900	1044	kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe	cvtres.exe
PID 1044 wrote to memory of 900	1044	kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe	cvtres.exe
PID 1232 wrote to memory of 736	1232	Explorer.EXE	NAPSTAT.EXE
PID 1232 wrote to memory of 736	1232	Explorer.EXE	NAPSTAT.EXE
PID 1232 wrote to memory of 736	1232	Explorer.EXE	NAPSTAT.EXE
PID 1232 wrote to memory of 736	1232	Explorer.EXE	NAPSTAT.EXE
PID 736 wrote to memory of 316	736	NAPSTAT.EXE	cmd.exe
PID 736 wrote to memory of 316	736	NAPSTAT.EXE	cmd.exe
PID 736 wrote to memory of 316	736	NAPSTAT.EXE	cmd.exe
PID 736 wrote to memory of 316	736	NAPSTAT.EXE	cmd.exe
PID 736 wrote to memory of 2000	736	NAPSTAT.EXE	Firefox.exe
PID 736 wrote to memory of 2000	736	NAPSTAT.EXE	Firefox.exe
PID 736 wrote to memory of 2000	736	NAPSTAT.EXE	Firefox.exe
PID 736 wrote to memory of 2000	736	NAPSTAT.EXE	Firefox.exe
PID 736 wrote to memory of 2000	736	NAPSTAT.EXE	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1232

C:\Users\Admin\AppData\Local\Temp\kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe
"C:\Users\Admin\AppData\Local\Temp\kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1044

C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:900

C:\Windows\SysWOW64\NAPSTAT.EXE
"C:\Windows\SysWOW64\NAPSTAT.EXE"
2⤵
- Adds policy Run key to start application
- Loads dropped DLL
- 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:736

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
3⤵
PID:316

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2000

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
643KB

MD5
f933bf1c010e318dcae54f10beae4600

SHA1
926a0bdc727af62340129e8fa55af502275e937f

SHA256
47c56ce3faa60fbba19930f9ee6e1361edd89e38dd56f63a131703b388aa06f6

SHA512
b1f793a4f7501a670b8ca59da893049494f6fee40ade5d445242d29429610ea16a6269aea56a27c44e53cf93c138f5cd848dea2d5b3341ff4661fbf6492ed8b8

Download Submit
memory/316-66-0x0000000000000000-mapping.dmp

Download
memory/736-65-0x0000000000000000-mapping.dmp

Download
memory/736-74-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/736-72-0x0000000000100000-0x000000000012C000-memory.dmp

Filesize
176KB

Download
memory/736-70-0x0000000000530000-0x00000000005C0000-memory.dmp

Filesize
576KB

Download
memory/736-68-0x0000000000100000-0x000000000012C000-memory.dmp

Filesize
176KB

Download
memory/736-69-0x0000000002040000-0x0000000002343000-memory.dmp

Filesize
3.0MB

Download
memory/736-67-0x00000000004E0000-0x0000000000526000-memory.dmp

Filesize
280KB

Download
memory/900-61-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/900-63-0x0000000000430000-0x0000000000441000-memory.dmp

Filesize
68KB

Download
memory/900-62-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/900-58-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/900-59-0x0000000000420170-mapping.dmp

Download
memory/900-56-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/900-55-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1044-54-0x00000000008B0000-0x0000000000912000-memory.dmp

Filesize
392KB

Download
memory/1232-64-0x00000000062B0000-0x0000000006459000-memory.dmp

Filesize
1.7MB

Download
memory/1232-71-0x0000000006810000-0x000000000694F000-memory.dmp

Filesize
1.2MB

Download
memory/1232-73-0x0000000006810000-0x000000000694F000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads