formbook | 134447d4a42fa0c68719a166022b19728ab3b771a025fcb40b9e01eb0472bd8b

General

Target

3131_50SG0BK00T1,pdf.exe
Size

1.0MB
MD5

8898f586289faf1cc074c328eb64e0c6
SHA1

8df1daf9fb7147fd61a1e18a5b1e5bfa7bbe94fa
SHA256

134447d4a42fa0c68719a166022b19728ab3b771a025fcb40b9e01eb0472bd8b
SHA512

1ef511b05999e0346b8698f51b5a7950744dff2f6ff726a39414886c840a5e191e4dcf5ab5c54cbb23df79199da225f8da78af8e74c0cc7b677c9c7bec1e0ea0

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.radissonhotelsusa.com/cp5/

Decoy

glcpunix.com

marabierta-coaching.com

osrs-remastered.com

lineagehealthxwellness.com

dunyadagezilecekyerler.com

negociosyfinanzasfaciles.com

bifa510.com

houseofutamasa.com

dopeneeds.com

sailacc.com

thewindgallery.com

elvinrisky.com

flowersassistedliving.com

lzbnwy.com

mrpentester.com

joinmytradingteam.com

jasabuatvisa.com

meherunnessa-foundation.com

notyourtypicaljocks.com

lobo-sports.com

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1232-17-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/1232-18-0x000000000041EBF0-mapping.dmp	formbook
behavioral2/memory/1220-25-0x0000000000D80000-0x0000000000DAE000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

3131_50SG0BK00T1,pdf.exeMSBuild.execmd.exe

description	pid	process	target process
PID 4000 set thread context of 1232	4000	3131_50SG0BK00T1,pdf.exe	MSBuild.exe
PID 1232 set thread context of 3036	1232	MSBuild.exe	Explorer.EXE
PID 1220 set thread context of 3036	1220	cmd.exe	Explorer.EXE

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

416 schtasks.exe

pid	process
416	schtasks.exe

Suspicious behavior: EnumeratesProcesses 35 IoCs

Processes:

3131_50SG0BK00T1,pdf.exeMSBuild.execmd.exe

pid	process
4000	3131_50SG0BK00T1,pdf.exe
4000	3131_50SG0BK00T1,pdf.exe
4000	3131_50SG0BK00T1,pdf.exe
1232	MSBuild.exe
1232	MSBuild.exe
1232	MSBuild.exe
1232	MSBuild.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe
1220	cmd.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

MSBuild.execmd.exe

pid process

1232 MSBuild.exe
1232 MSBuild.exe
1232 MSBuild.exe
1220 cmd.exe
1220 cmd.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

3131_50SG0BK00T1,pdf.exeMSBuild.execmd.exe

description pid process

Token: SeDebugPrivilege 4000 3131_50SG0BK00T1,pdf.exe
Token: SeDebugPrivilege 1232 MSBuild.exe
Token: SeDebugPrivilege 1220 cmd.exe

pid	process
1232	MSBuild.exe
1232	MSBuild.exe
1232	MSBuild.exe
1220	cmd.exe
1220	cmd.exe

description	pid	process
Token: SeDebugPrivilege	4000	3131_50SG0BK00T1,pdf.exe
Token: SeDebugPrivilege	1232	MSBuild.exe
Token: SeDebugPrivilege	1220	cmd.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

3131_50SG0BK00T1,pdf.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 4000 wrote to memory of 416	4000	3131_50SG0BK00T1,pdf.exe	schtasks.exe
PID 4000 wrote to memory of 416	4000	3131_50SG0BK00T1,pdf.exe	schtasks.exe
PID 4000 wrote to memory of 416	4000	3131_50SG0BK00T1,pdf.exe	schtasks.exe
PID 4000 wrote to memory of 1228	4000	3131_50SG0BK00T1,pdf.exe	MSBuild.exe
PID 4000 wrote to memory of 1228	4000	3131_50SG0BK00T1,pdf.exe	MSBuild.exe
PID 4000 wrote to memory of 1228	4000	3131_50SG0BK00T1,pdf.exe	MSBuild.exe
PID 4000 wrote to memory of 1232	4000	3131_50SG0BK00T1,pdf.exe	MSBuild.exe
PID 4000 wrote to memory of 1232	4000	3131_50SG0BK00T1,pdf.exe	MSBuild.exe
PID 4000 wrote to memory of 1232	4000	3131_50SG0BK00T1,pdf.exe	MSBuild.exe
PID 4000 wrote to memory of 1232	4000	3131_50SG0BK00T1,pdf.exe	MSBuild.exe
PID 4000 wrote to memory of 1232	4000	3131_50SG0BK00T1,pdf.exe	MSBuild.exe
PID 4000 wrote to memory of 1232	4000	3131_50SG0BK00T1,pdf.exe	MSBuild.exe
PID 3036 wrote to memory of 1220	3036	Explorer.EXE	cmd.exe
PID 3036 wrote to memory of 1220	3036	Explorer.EXE	cmd.exe
PID 3036 wrote to memory of 1220	3036	Explorer.EXE	cmd.exe
PID 1220 wrote to memory of 2196	1220	cmd.exe	cmd.exe
PID 1220 wrote to memory of 2196	1220	cmd.exe	cmd.exe
PID 1220 wrote to memory of 2196	1220	cmd.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3036

C:\Users\Admin\AppData\Local\Temp\3131_50SG0BK00T1,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\3131_50SG0BK00T1,pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4000

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jLhxUiIQnuLl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2AF9.tmp"
3⤵
- Creates scheduled task(s)
PID:416

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
3⤵
PID:1228

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1232

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\SysWOW64\cmd.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1220

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
3⤵
PID:2196

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2AF9.tmp
MD5
baa612ac5686dbcef88cbb8c2af66635

SHA1
ff1e4b15b5dacf08dffc934a7cd3b2f2f099d58c

SHA256
b978d4c75b855bfd0d2e5456e45dcb5b7c4e29aad525ba5862de278bc2c36480

SHA512
13085ac92232ef88a727345cf7d6ef6f9b249911c732eb1a41a9d672e82993e668c9c04cfd31239a6ddb76e69fef8386e3be22b8fb0a96ed73618388be103711

Download Submit
memory/416-15-0x0000000000000000-mapping.dmp

Download
memory/1220-28-0x00000000037C0000-0x0000000003853000-memory.dmp

Filesize
588KB

Download
memory/1220-27-0x0000000003300000-0x0000000003620000-memory.dmp

Filesize
3.1MB

Download
memory/1220-24-0x0000000000DD0000-0x0000000000E29000-memory.dmp

Filesize
356KB

Download
memory/1220-25-0x0000000000D80000-0x0000000000DAE000-memory.dmp

Filesize
184KB

Download
memory/1220-23-0x0000000000000000-mapping.dmp

Download
memory/1232-21-0x0000000000C40000-0x0000000000C54000-memory.dmp

Filesize
80KB

Download
memory/1232-20-0x00000000011B0000-0x00000000014D0000-memory.dmp

Filesize
3.1MB

Download
memory/1232-18-0x000000000041EBF0-mapping.dmp

Download
memory/1232-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2196-26-0x0000000000000000-mapping.dmp

Download
memory/3036-22-0x0000000006180000-0x00000000062AF000-memory.dmp

Filesize
1.2MB

Download
memory/3036-29-0x0000000002C20000-0x0000000002CD1000-memory.dmp

Filesize
708KB

Download
memory/4000-9-0x00000000055E0000-0x00000000055E1000-memory.dmp

Filesize
4KB

Download
memory/4000-12-0x0000000006080000-0x00000000060A3000-memory.dmp

Filesize
140KB

Download
memory/4000-11-0x0000000005640000-0x0000000005641000-memory.dmp

Filesize
4KB

Download
memory/4000-10-0x00000000060E0000-0x00000000060E1000-memory.dmp

Filesize
4KB

Download
memory/4000-2-0x00000000738E0000-0x0000000073FCE000-memory.dmp

Filesize
6.9MB

Download
memory/4000-14-0x00000000067B0000-0x0000000006816000-memory.dmp

Filesize
408KB

Download
memory/4000-8-0x0000000005810000-0x0000000005811000-memory.dmp

Filesize
4KB

Download
memory/4000-7-0x0000000005680000-0x0000000005681000-memory.dmp

Filesize
4KB

Download
memory/4000-6-0x0000000005B80000-0x0000000005B81000-memory.dmp

Filesize
4KB

Download
memory/4000-5-0x0000000005520000-0x0000000005521000-memory.dmp

Filesize
4KB

Download
memory/4000-3-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

Filesize
4KB

Download
memory/4000-13-0x0000000005800000-0x0000000005801000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads