formbook | 15eb688bffed96b0b324724e48b258dc6c6deb76d71310b26b01e1e12f26108c

General

Target

tmp.exe
Size

342KB
MD5

7569ad8644074e28a6a9dba38e67b95a
SHA1

10e73d912b5a6955161213a5f9004988ca4030ac
SHA256

15eb688bffed96b0b324724e48b258dc6c6deb76d71310b26b01e1e12f26108c
SHA512

15fe965c6e8abeff8f9b064122be640a78ca459a45c06f0f99150f979909208ca66693fc96808dca007670a3ace96f32b375b6a591efdb10dc9d9e8b824cb3ae
SSDEEP

6144:+wN/Qnu418i2BYc5lUeE+zjevK5FV0L3Tzz6oVCVdKrLWeuJavoJ8L:+O/Au4j0Yc5lUJXveUCi/f/

Score

10^/10

formbook f4ca rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

f4ca

Decoy

QYZ6iE9Y+CsiZpCBareS0uU=

N2FQLAaH6xXE

Vc6t0MQXN+Llxsqg

ElBedmSvYGGm6yLDhHqzAtmlCxWl

4VpIWShqHR5cpjfQ4bs=

mepO9miu/iFiQQ==

Z8Owqh54IlwEpDfQ4bs=

qcq4uT5HecWZG3EVwKTiUE7slrGQGiyo

IaYYoJikKDDqgV/NigZCLA==

4Xz5pfoCCW/76NnOUrFEOw==

xiijSkVJ3Yuh9OKDcmui/d2lCxWl

cr8MmfpCEu0ULsO3p6w=

JLm2yKHo7hdVb8O3p6w=

Hriy5svWm2Qfq9mPQib9jJI65gOr

2G3nkRpidunlxsqg

gPHUAeXmi8Q9ARy3

6l5WaOf8BxhQDkp5gKQ=

KHHiXs4WOqXZdPhpaw==

+UQ5Vz5O0Ms9ARy3

pNQygKu0OziAvjOHRGLnJA==

Signatures

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

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\%Namee%	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\%Namee%	Powershell.exe

Loads dropped DLL 1 IoCs

Processes:

wuapp.exe

pid process

1928 wuapp.exe

pid	process
1928	wuapp.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

tmp.exeaspnet_compiler.exewuapp.exe

description	pid	process	target process
PID 1688 set thread context of 1732	1688	tmp.exe	aspnet_compiler.exe
PID 1732 set thread context of 1284	1732	aspnet_compiler.exe	Explorer.EXE
PID 1928 set thread context of 1284	1928	wuapp.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wuapp.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wuapp.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

tmp.exePowershell.exeaspnet_compiler.exewuapp.exe

pid	process
1688	tmp.exe
1544	Powershell.exe
1732	aspnet_compiler.exe
1732	aspnet_compiler.exe
1732	aspnet_compiler.exe
1732	aspnet_compiler.exe
1928	wuapp.exe
1928	wuapp.exe
1928	wuapp.exe
1928	wuapp.exe
1928	wuapp.exe
1928	wuapp.exe
1928	wuapp.exe
1928	wuapp.exe
1928	wuapp.exe
1928	wuapp.exe
1928	wuapp.exe
1928	wuapp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

aspnet_compiler.exewuapp.exe

pid process

1732 aspnet_compiler.exe
1732 aspnet_compiler.exe
1732 aspnet_compiler.exe
1928 wuapp.exe
1928 wuapp.exe
1928 wuapp.exe
1928 wuapp.exe

pid	process
1732	aspnet_compiler.exe
1732	aspnet_compiler.exe
1732	aspnet_compiler.exe
1928	wuapp.exe
1928	wuapp.exe
1928	wuapp.exe
1928	wuapp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

tmp.exePowershell.exeaspnet_compiler.exewuapp.exe

description	pid	process
Token: SeDebugPrivilege	1688	tmp.exe
Token: SeDebugPrivilege	1544	Powershell.exe
Token: SeDebugPrivilege	1732	aspnet_compiler.exe
Token: SeDebugPrivilege	1928	wuapp.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1284 Explorer.EXE
1284 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1284 Explorer.EXE
1284 Explorer.EXE

pid	process
1284	Explorer.EXE
1284	Explorer.EXE

pid	process
1284	Explorer.EXE
1284	Explorer.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

tmp.exeExplorer.EXEwuapp.exe

description	pid	process	target process
PID 1688 wrote to memory of 1544	1688	tmp.exe	Powershell.exe
PID 1688 wrote to memory of 1544	1688	tmp.exe	Powershell.exe
PID 1688 wrote to memory of 1544	1688	tmp.exe	Powershell.exe
PID 1688 wrote to memory of 1544	1688	tmp.exe	Powershell.exe
PID 1688 wrote to memory of 1200	1688	tmp.exe	aspnet_compiler.exe
PID 1688 wrote to memory of 1200	1688	tmp.exe	aspnet_compiler.exe
PID 1688 wrote to memory of 1200	1688	tmp.exe	aspnet_compiler.exe
PID 1688 wrote to memory of 1200	1688	tmp.exe	aspnet_compiler.exe
PID 1688 wrote to memory of 1732	1688	tmp.exe	aspnet_compiler.exe
PID 1688 wrote to memory of 1732	1688	tmp.exe	aspnet_compiler.exe
PID 1688 wrote to memory of 1732	1688	tmp.exe	aspnet_compiler.exe
PID 1688 wrote to memory of 1732	1688	tmp.exe	aspnet_compiler.exe
PID 1688 wrote to memory of 1732	1688	tmp.exe	aspnet_compiler.exe
PID 1688 wrote to memory of 1732	1688	tmp.exe	aspnet_compiler.exe
PID 1688 wrote to memory of 1732	1688	tmp.exe	aspnet_compiler.exe
PID 1284 wrote to memory of 1928	1284	Explorer.EXE	wuapp.exe
PID 1284 wrote to memory of 1928	1284	Explorer.EXE	wuapp.exe
PID 1284 wrote to memory of 1928	1284	Explorer.EXE	wuapp.exe
PID 1284 wrote to memory of 1928	1284	Explorer.EXE	wuapp.exe
PID 1284 wrote to memory of 1928	1284	Explorer.EXE	wuapp.exe
PID 1284 wrote to memory of 1928	1284	Explorer.EXE	wuapp.exe
PID 1284 wrote to memory of 1928	1284	Explorer.EXE	wuapp.exe
PID 1928 wrote to memory of 1912	1928	wuapp.exe	Firefox.exe
PID 1928 wrote to memory of 1912	1928	wuapp.exe	Firefox.exe
PID 1928 wrote to memory of 1912	1928	wuapp.exe	Firefox.exe
PID 1928 wrote to memory of 1912	1928	wuapp.exe	Firefox.exe
PID 1928 wrote to memory of 1912	1928	wuapp.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:1284

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell" Copy-Item 'C:\Users\Admin\AppData\Local\Temp\tmp.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\%Namee%'
3⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1544

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
PID:1200

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1732

C:\Windows\SysWOW64\wuapp.exe
"C:\Windows\SysWOW64\wuapp.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1928

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1912

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
922KB

MD5
dda1b03a5cd2ca37c96b7daf5e3a8ed7

SHA1
c70e5f58e61980d39608f0795879bf012dbbbca2

SHA256
79f86c1edbbc69652a03a0f5667b3985bcf1e19f16fa3b8c7934e5b97ab8586d

SHA512
bf83648c9b5d6d65b2c8409d262a1b7421d2cb13d6c759ec5f352c2d1c5adff3ee2395250fbdfe3590f25fe96bf6b40c2d82a8e7eecaab03be2e6a398e83981f

Download Submit
memory/1284-82-0x0000000006CB0000-0x0000000006E12000-memory.dmp

Filesize
1.4MB

Download
memory/1284-79-0x0000000006CB0000-0x0000000006E12000-memory.dmp

Filesize
1.4MB

Download
memory/1284-72-0x00000000064C0000-0x000000000664C000-memory.dmp

Filesize
1.5MB

Download
memory/1544-69-0x000000006F8B0000-0x000000006FE5B000-memory.dmp

Filesize
5.7MB

Download
memory/1544-57-0x0000000000000000-mapping.dmp

Download
memory/1544-73-0x000000006F8B0000-0x000000006FE5B000-memory.dmp

Filesize
5.7MB

Download
memory/1688-55-0x0000000000660000-0x00000000006AA000-memory.dmp

Filesize
296KB

Download
memory/1688-56-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/1688-59-0x0000000000BD0000-0x0000000000BEC000-memory.dmp

Filesize
112KB

Download
memory/1688-54-0x0000000001100000-0x000000000115A000-memory.dmp

Filesize
360KB

Download
memory/1732-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1732-64-0x00000000004012B0-mapping.dmp

Download
memory/1732-71-0x0000000000120000-0x0000000000130000-memory.dmp

Filesize
64KB

Download
memory/1732-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1732-70-0x0000000000AA0000-0x0000000000DA3000-memory.dmp

Filesize
3.0MB

Download
memory/1732-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1732-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1732-68-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1732-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1928-75-0x00000000003C0000-0x00000000003CB000-memory.dmp

Filesize
44KB

Download
memory/1928-78-0x0000000001C90000-0x0000000001D1F000-memory.dmp

Filesize
572KB

Download
memory/1928-77-0x0000000001E20000-0x0000000002123000-memory.dmp

Filesize
3.0MB

Download
memory/1928-80-0x00000000000E0000-0x000000000010D000-memory.dmp

Filesize
180KB

Download
memory/1928-76-0x00000000000E0000-0x000000000010D000-memory.dmp

Filesize
180KB

Download
memory/1928-74-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads