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

268 ipconfig.exe

pid	process
268	ipconfig.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

tmp.exeaspnet_compiler.exeipconfig.exe

description	pid	process	target process
PID 544 set thread context of 940	544	tmp.exe	aspnet_compiler.exe
PID 940 set thread context of 1352	940	aspnet_compiler.exe	Explorer.EXE
PID 940 set thread context of 1352	940	aspnet_compiler.exe	Explorer.EXE
PID 268 set thread context of 1352	268	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

268 ipconfig.exe

pid	process
268	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-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

aspnet_compiler.exePowershell.exeipconfig.exe

pid	process
940	aspnet_compiler.exe
940	aspnet_compiler.exe
940	aspnet_compiler.exe
940	aspnet_compiler.exe
1696	Powershell.exe
940	aspnet_compiler.exe
268	ipconfig.exe
268	ipconfig.exe
268	ipconfig.exe
268	ipconfig.exe
268	ipconfig.exe
268	ipconfig.exe
268	ipconfig.exe
268	ipconfig.exe
268	ipconfig.exe
268	ipconfig.exe
268	ipconfig.exe
268	ipconfig.exe
268	ipconfig.exe
268	ipconfig.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

aspnet_compiler.exeipconfig.exe

pid	process
940	aspnet_compiler.exe
940	aspnet_compiler.exe
940	aspnet_compiler.exe
940	aspnet_compiler.exe
268	ipconfig.exe
268	ipconfig.exe
268	ipconfig.exe
268	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

tmp.exeaspnet_compiler.exePowershell.exeipconfig.exe

description	pid	process
Token: SeDebugPrivilege	544	tmp.exe
Token: SeDebugPrivilege	940	aspnet_compiler.exe
Token: SeDebugPrivilege	1696	Powershell.exe
Token: SeDebugPrivilege	268	ipconfig.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1352 Explorer.EXE
1352 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1352 Explorer.EXE
1352 Explorer.EXE

pid	process
1352	Explorer.EXE
1352	Explorer.EXE

pid	process
1352	Explorer.EXE
1352	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

tmp.exeaspnet_compiler.exeipconfig.exe

description	pid	process	target process
PID 544 wrote to memory of 1696	544	tmp.exe	Powershell.exe
PID 544 wrote to memory of 1696	544	tmp.exe	Powershell.exe
PID 544 wrote to memory of 1696	544	tmp.exe	Powershell.exe
PID 544 wrote to memory of 1696	544	tmp.exe	Powershell.exe
PID 544 wrote to memory of 940	544	tmp.exe	aspnet_compiler.exe
PID 544 wrote to memory of 940	544	tmp.exe	aspnet_compiler.exe
PID 544 wrote to memory of 940	544	tmp.exe	aspnet_compiler.exe
PID 544 wrote to memory of 940	544	tmp.exe	aspnet_compiler.exe
PID 544 wrote to memory of 940	544	tmp.exe	aspnet_compiler.exe
PID 544 wrote to memory of 940	544	tmp.exe	aspnet_compiler.exe
PID 544 wrote to memory of 940	544	tmp.exe	aspnet_compiler.exe
PID 940 wrote to memory of 268	940	aspnet_compiler.exe	ipconfig.exe
PID 940 wrote to memory of 268	940	aspnet_compiler.exe	ipconfig.exe
PID 940 wrote to memory of 268	940	aspnet_compiler.exe	ipconfig.exe
PID 940 wrote to memory of 268	940	aspnet_compiler.exe	ipconfig.exe
PID 268 wrote to memory of 832	268	ipconfig.exe	Firefox.exe
PID 268 wrote to memory of 832	268	ipconfig.exe	Firefox.exe
PID 268 wrote to memory of 832	268	ipconfig.exe	Firefox.exe
PID 268 wrote to memory of 832	268	ipconfig.exe	Firefox.exe
PID 268 wrote to memory of 832	268	ipconfig.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1352

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:544

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:1696

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
- Suspicious use of WriteProcessMemory
PID:940

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
4⤵
- 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:268

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
5⤵
PID:832

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
837KB

MD5
e1b58e0aa1b377a1d0e940660ad1ace1

SHA1
5afc7291b26855b1252b26381ebc85ed3cca218f

SHA256
1b98c006231d38524e2278a474c49274fe42e0bb1a31bcfda02e6e32f559b777

SHA512
9ce778bcb586638662b090910c4ceab3b64e16dfaf905a7581c1d349fecdf186995b3cc0dc8c6fc6e9761ea2831d7b14ac1619c2bd5ebc6d18015842e5d94aa2

Download Submit
memory/268-77-0x0000000000000000-mapping.dmp

Download
memory/268-86-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/268-84-0x0000000000530000-0x00000000005BF000-memory.dmp

Filesize
572KB

Download
memory/268-83-0x0000000001EF0000-0x00000000021F3000-memory.dmp

Filesize
3.0MB

Download
memory/268-82-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/268-81-0x0000000000AE0000-0x0000000000AEA000-memory.dmp

Filesize
40KB

Download
memory/544-55-0x0000000000680000-0x00000000006CA000-memory.dmp

Filesize
296KB

Download
memory/544-56-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download
memory/544-58-0x00000000005F0000-0x000000000060C000-memory.dmp

Filesize
112KB

Download
memory/544-54-0x00000000011A0000-0x00000000011FA000-memory.dmp

Filesize
360KB

Download
memory/940-79-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/940-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/940-70-0x0000000000120000-0x0000000000130000-memory.dmp

Filesize
64KB

Download
memory/940-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/940-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/940-69-0x0000000000AC0000-0x0000000000DC3000-memory.dmp

Filesize
3.0MB

Download
memory/940-75-0x00000000001A0000-0x00000000001B0000-memory.dmp

Filesize
64KB

Download
memory/940-64-0x00000000004012B0-mapping.dmp

Download
memory/940-68-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/940-78-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/940-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/940-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1352-76-0x0000000004C90000-0x0000000004D9E000-memory.dmp

Filesize
1.1MB

Download
memory/1352-85-0x0000000004DA0000-0x0000000004F03000-memory.dmp

Filesize
1.4MB

Download
memory/1352-71-0x0000000003F80000-0x0000000004034000-memory.dmp

Filesize
720KB

Download
memory/1352-87-0x0000000004DA0000-0x0000000004F03000-memory.dmp

Filesize
1.4MB

Download
memory/1696-73-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/1696-72-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/1696-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads