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:

ipconfig.exe

pid process

1716 ipconfig.exe

pid	process
1716	ipconfig.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

tmp.exeaspnet_compiler.exeipconfig.exe

description	pid	process	target process
PID 1768 set thread context of 740	1768	tmp.exe	aspnet_compiler.exe
PID 740 set thread context of 1204	740	aspnet_compiler.exe	Explorer.EXE
PID 1716 set thread context of 1204	1716	ipconfig.exe	Explorer.EXE

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

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

1716 ipconfig.exe

pid	process
1716	ipconfig.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

ipconfig.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

Powershell.exeaspnet_compiler.exeipconfig.exe

pid	process
968	Powershell.exe
740	aspnet_compiler.exe
740	aspnet_compiler.exe
740	aspnet_compiler.exe
740	aspnet_compiler.exe
1716	ipconfig.exe
1716	ipconfig.exe
1716	ipconfig.exe
1716	ipconfig.exe
1716	ipconfig.exe
1716	ipconfig.exe
1716	ipconfig.exe
1716	ipconfig.exe
1716	ipconfig.exe
1716	ipconfig.exe
1716	ipconfig.exe
1716	ipconfig.exe
1716	ipconfig.exe
1716	ipconfig.exe
1716	ipconfig.exe
1716	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

aspnet_compiler.exeipconfig.exe

pid process

740 aspnet_compiler.exe
740 aspnet_compiler.exe
740 aspnet_compiler.exe
1716 ipconfig.exe
1716 ipconfig.exe
1716 ipconfig.exe
1716 ipconfig.exe

pid	process
1204	Explorer.EXE

pid	process
740	aspnet_compiler.exe
740	aspnet_compiler.exe
740	aspnet_compiler.exe
1716	ipconfig.exe
1716	ipconfig.exe
1716	ipconfig.exe
1716	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

tmp.exePowershell.exeaspnet_compiler.exeipconfig.exe

description	pid	process
Token: SeDebugPrivilege	1768	tmp.exe
Token: SeDebugPrivilege	968	Powershell.exe
Token: SeDebugPrivilege	740	aspnet_compiler.exe
Token: SeDebugPrivilege	1716	ipconfig.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE

pid	process
1204	Explorer.EXE
1204	Explorer.EXE

pid	process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

tmp.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 1768 wrote to memory of 968	1768	tmp.exe	Powershell.exe
PID 1768 wrote to memory of 968	1768	tmp.exe	Powershell.exe
PID 1768 wrote to memory of 968	1768	tmp.exe	Powershell.exe
PID 1768 wrote to memory of 968	1768	tmp.exe	Powershell.exe
PID 1768 wrote to memory of 740	1768	tmp.exe	aspnet_compiler.exe
PID 1768 wrote to memory of 740	1768	tmp.exe	aspnet_compiler.exe
PID 1768 wrote to memory of 740	1768	tmp.exe	aspnet_compiler.exe
PID 1768 wrote to memory of 740	1768	tmp.exe	aspnet_compiler.exe
PID 1768 wrote to memory of 740	1768	tmp.exe	aspnet_compiler.exe
PID 1768 wrote to memory of 740	1768	tmp.exe	aspnet_compiler.exe
PID 1768 wrote to memory of 740	1768	tmp.exe	aspnet_compiler.exe
PID 1204 wrote to memory of 1716	1204	Explorer.EXE	ipconfig.exe
PID 1204 wrote to memory of 1716	1204	Explorer.EXE	ipconfig.exe
PID 1204 wrote to memory of 1716	1204	Explorer.EXE	ipconfig.exe
PID 1204 wrote to memory of 1716	1204	Explorer.EXE	ipconfig.exe
PID 1716 wrote to memory of 880	1716	ipconfig.exe	Firefox.exe
PID 1716 wrote to memory of 880	1716	ipconfig.exe	Firefox.exe
PID 1716 wrote to memory of 880	1716	ipconfig.exe	Firefox.exe
PID 1716 wrote to memory of 880	1716	ipconfig.exe	Firefox.exe
PID 1716 wrote to memory of 880	1716	ipconfig.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:1204

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768

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:968

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:740

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Gathers network information
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1716

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:880

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
902KB

MD5
50338cc1fa2582fa0cad8a8fa7ceb4d2

SHA1
ae697ef05b6bec38fb79ff4512ae50a303dcdbce

SHA256
0815a80fa73286d8c6bf0982471c61833821d9f10a20612deaa134562e7a3cda

SHA512
02a006e26b1d08cb53a4b3dab23ce6a6756a7275f8b3ef00b7412f10cff75411685a3542c5dc330dad7c9f7ff26288a2e94254d00bf53c1394e7252e000c9a61

Download Submit
memory/740-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/740-70-0x0000000000B10000-0x0000000000E13000-memory.dmp

Filesize
3.0MB

Download
memory/740-71-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/740-68-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/740-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/740-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/740-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/740-64-0x00000000004012B0-mapping.dmp

Download
memory/740-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/968-69-0x0000000073F00000-0x00000000744AB000-memory.dmp

Filesize
5.7MB

Download
memory/968-73-0x0000000073F00000-0x00000000744AB000-memory.dmp

Filesize
5.7MB

Download
memory/968-58-0x0000000000000000-mapping.dmp

Download
memory/1204-82-0x0000000007360000-0x0000000007474000-memory.dmp

Filesize
1.1MB

Download
memory/1204-80-0x0000000007360000-0x0000000007474000-memory.dmp

Filesize
1.1MB

Download
memory/1204-72-0x0000000004F00000-0x0000000005044000-memory.dmp

Filesize
1.3MB

Download
memory/1716-74-0x0000000000000000-mapping.dmp

Download
memory/1716-76-0x0000000000650000-0x000000000065A000-memory.dmp

Filesize
40KB

Download
memory/1716-78-0x0000000001F80000-0x0000000002283000-memory.dmp

Filesize
3.0MB

Download
memory/1716-77-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1716-79-0x0000000001DF0000-0x0000000001E7F000-memory.dmp

Filesize
572KB

Download
memory/1716-81-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1768-56-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download
memory/1768-57-0x00000000006A0000-0x00000000006BC000-memory.dmp

Filesize
112KB

Download
memory/1768-54-0x00000000002C0000-0x000000000031A000-memory.dmp

Filesize
360KB

Download
memory/1768-55-0x00000000003C0000-0x000000000040A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads