formbook | bf9fd5adc66ebd40de81eda76543a9b798ad480aab0d0316e7d13a6d51525816

General

Target

a48efe002e755fc23f7275abd4ce400b.exe
Size

303KB
MD5

a48efe002e755fc23f7275abd4ce400b
SHA1

7cb214b2dc8b861e6ee26ac120e494d43035813b
SHA256

bf9fd5adc66ebd40de81eda76543a9b798ad480aab0d0316e7d13a6d51525816
SHA512

7b8bea89127a5584792e90de20fa8b72867065a3394c4f8065a312e9b273611a3d362c420ea1ea3210d523131e740bcdf7de7a847afba60d6dc98f58e70e178a

Score

10^/10

trojan spyware stealer formbook persistence evasion

Malware Config

Signatures

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

rundll32.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer rundll32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1131729243-447456001-3632642222-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	rundll32.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Explorer.EXE

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Explorer.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cmd.exerundll32.exe

description pid process

Token: SeDebugPrivilege 680 cmd.exe
Token: SeDebugPrivilege 1064 rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	680	cmd.exe
Token: SeDebugPrivilege	1064	rundll32.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 680 set thread context of 1312	680	cmd.exe	Explorer.EXE
PID 1064 set thread context of 1312	1064	rundll32.exe	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1312 Explorer.EXE
1312 Explorer.EXE
1312 Explorer.EXE
1312 Explorer.EXE
Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

pid	process
1312	Explorer.EXE
1312	Explorer.EXE
1312	Explorer.EXE
1312	Explorer.EXE

Adds Run entry to policy start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\YNUTDNC0H = "C:\\Program Files (x86)\\Ldpalg\\servicespbc.exe"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	rundll32.exe

Suspicious use of WriteProcessMemory 63 IoCs

Processes:

a48efe002e755fc23f7275abd4ce400b.exerundll32.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 1448 wrote to memory of 272	1448	a48efe002e755fc23f7275abd4ce400b.exe	rundll32.exe
PID 1448 wrote to memory of 272	1448	a48efe002e755fc23f7275abd4ce400b.exe	rundll32.exe
PID 1448 wrote to memory of 272	1448	a48efe002e755fc23f7275abd4ce400b.exe	rundll32.exe
PID 1448 wrote to memory of 272	1448	a48efe002e755fc23f7275abd4ce400b.exe	rundll32.exe
PID 1448 wrote to memory of 272	1448	a48efe002e755fc23f7275abd4ce400b.exe	rundll32.exe
PID 1448 wrote to memory of 272	1448	a48efe002e755fc23f7275abd4ce400b.exe	rundll32.exe
PID 1448 wrote to memory of 272	1448	a48efe002e755fc23f7275abd4ce400b.exe	rundll32.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 272 wrote to memory of 680	272	rundll32.exe	cmd.exe
PID 1312 wrote to memory of 1064	1312	Explorer.EXE	rundll32.exe
PID 1312 wrote to memory of 1064	1312	Explorer.EXE	rundll32.exe
PID 1312 wrote to memory of 1064	1312	Explorer.EXE	rundll32.exe
PID 1312 wrote to memory of 1064	1312	Explorer.EXE	rundll32.exe
PID 1312 wrote to memory of 1064	1312	Explorer.EXE	rundll32.exe
PID 1312 wrote to memory of 1064	1312	Explorer.EXE	rundll32.exe
PID 1312 wrote to memory of 1064	1312	Explorer.EXE	rundll32.exe
PID 1064 wrote to memory of 1120	1064	rundll32.exe	cmd.exe
PID 1064 wrote to memory of 1120	1064	rundll32.exe	cmd.exe
PID 1064 wrote to memory of 1120	1064	rundll32.exe	cmd.exe
PID 1064 wrote to memory of 1120	1064	rundll32.exe	cmd.exe
PID 1064 wrote to memory of 1572	1064	rundll32.exe	Firefox.exe
PID 1064 wrote to memory of 1572	1064	rundll32.exe	Firefox.exe
PID 1064 wrote to memory of 1572	1064	rundll32.exe	Firefox.exe
PID 1064 wrote to memory of 1572	1064	rundll32.exe	Firefox.exe
PID 1064 wrote to memory of 1572	1064	rundll32.exe	Firefox.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

rundll32.execmd.exerundll32.exe

pid	process
272	rundll32.exe
680	cmd.exe
680	cmd.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe
1064	rundll32.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

rundll32.execmd.exerundll32.exe

pid process

272 rundll32.exe
680 cmd.exe
680 cmd.exe
680 cmd.exe
1064 rundll32.exe
1064 rundll32.exe
1064 rundll32.exe
1064 rundll32.exe
Drops file in Program Files directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Program Files (x86)\Ldpalg\servicespbc.exe rundll32.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

272 rundll32.exe
Suspicious use of FindShellTrayWindow 5 IoCs

Processes:

Explorer.EXE

pid process

1312 Explorer.EXE
1312 Explorer.EXE
1312 Explorer.EXE
1312 Explorer.EXE
1312 Explorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ldpalg\servicespbc.exe	rundll32.exe

pid	process
1312	Explorer.EXE
1312	Explorer.EXE
1312	Explorer.EXE
1312	Explorer.EXE
1312	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Checks whether UAC is enabled
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
- Suspicious use of FindShellTrayWindow
PID:1312

C:\Users\Admin\AppData\Local\Temp\a48efe002e755fc23f7275abd4ce400b.exe
"C:\Users\Admin\AppData\Local\Temp\a48efe002e755fc23f7275abd4ce400b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1448

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\system32\rundll32.exe Fireside,Pretor
3⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Loads dropped DLL
PID:272

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe"
4⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:680

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- System policy modification
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetThreadContext
- Adds Run entry to policy start application
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Drops file in Program Files directory
PID:1064

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\cmd.exe"
3⤵
PID:1120

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1572

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

3

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Fireside.DLL

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C:\Users\Admin\AppData\Local\Temp\Mantel

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C:\Users\Admin\AppData\Roaming\3L2M-SQC\3L2logim.jpeg

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C:\Users\Admin\AppData\Roaming\3L2M-SQC\3L2logrf.ini

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C:\Users\Admin\AppData\Roaming\3L2M-SQC\3L2logri.ini

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C:\Users\Admin\AppData\Roaming\3L2M-SQC\3L2logrv.ini

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\Users\Admin\AppData\Local\Temp\Fireside.dll

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memory/272-0-0x0000000000000000-mapping.dmp

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memory/680-4-0x0000000000000000-mapping.dmp

Download
memory/1064-8-0x0000000001E40000-0x0000000001F0F000-memory.dmp

Filesize
828KB

Download
memory/1064-10-0x00000000763D0000-0x00000000764ED000-memory.dmp

Filesize
1.1MB

Download
memory/1064-11-0x00000000038A0000-0x00000000039BC000-memory.dmp

Filesize
1.1MB

Download
memory/1064-9-0x00000000752D0000-0x00000000752DC000-memory.dmp

Filesize
48KB

Download
memory/1064-6-0x00000000002C0000-0x00000000002CE000-memory.dmp

Filesize
56KB

Download
memory/1064-5-0x0000000000000000-mapping.dmp

Download
memory/1120-7-0x0000000000000000-mapping.dmp

Download
memory/1572-12-0x0000000000000000-mapping.dmp

Download
memory/1572-13-0x000000013FAF0000-0x000000013FB83000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads