formbook | a06756251dbd94ca9bbecb73e4b5e9c768d3fada398cccae4a59323aebb31eab

General

Target

RFQ5462-PO22000850.pdf.exe
Size

613KB
MD5

3ba5f2da42cf3865b04008a26744d346
SHA1

2b897b32de43663cce219db2e7c64aa7315ad6f5
SHA256

a06756251dbd94ca9bbecb73e4b5e9c768d3fada398cccae4a59323aebb31eab
SHA512

5cda5d155abbb748a9845ba2e7b6a10dbc299101b4ad3c641da558b0420a418738c5b8397f6fe5b76c1afb8b54c83137c9803afe32de7fb9a57e42166bc81811

Score

10^/10

formbook t19g rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t19g

Decoy

playstationspiele.com

cakesbyannal.com

racepin.space

anti-offender.com

magnetque.com

farragorealtybrokerage.com

khuludmohammed.com

v33696.com

84ggg.com

d440.com

soccersmarthome.com

ofthis.world

fivestaryardcards.com

lusyard.com

gghft.com

viajesfortur.com

rationalirrationality.com

hanaramenrestaurant.com

exactlycleanse.com

martensenargentina.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata

Formbook payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4836-141-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4836-156-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1732-161-0x0000000000550000-0x000000000057F000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

RFQ5462-PO22000850.pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	RFQ5462-PO22000850.pdf.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 3 IoCs

Processes:

RFQ5462-PO22000850.pdf.exeRFQ5462-PO22000850.pdf.exewscript.exe

description	pid	process	target process
PID 384 set thread context of 4836	384	RFQ5462-PO22000850.pdf.exe	RFQ5462-PO22000850.pdf.exe
PID 4836 set thread context of 2680	4836	RFQ5462-PO22000850.pdf.exe	Explorer.EXE
PID 1732 set thread context of 2680	1732	wscript.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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

4276 schtasks.exe

pid	process
4276	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wscript.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

Processes:

powershell.exeRFQ5462-PO22000850.pdf.exewscript.exe

pid	process
1568	powershell.exe
4836	RFQ5462-PO22000850.pdf.exe
4836	RFQ5462-PO22000850.pdf.exe
4836	RFQ5462-PO22000850.pdf.exe
4836	RFQ5462-PO22000850.pdf.exe
1568	powershell.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2680 Explorer.EXE

pid	process
2680	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

RFQ5462-PO22000850.pdf.exewscript.exe

pid	process
4836	RFQ5462-PO22000850.pdf.exe
4836	RFQ5462-PO22000850.pdf.exe
4836	RFQ5462-PO22000850.pdf.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

powershell.exeRFQ5462-PO22000850.pdf.exewscript.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1568	powershell.exe
Token: SeDebugPrivilege	4836	RFQ5462-PO22000850.pdf.exe
Token: SeDebugPrivilege	1732	wscript.exe
Token: SeShutdownPrivilege	2680	Explorer.EXE
Token: SeCreatePagefilePrivilege	2680	Explorer.EXE
Token: SeShutdownPrivilege	2680	Explorer.EXE
Token: SeCreatePagefilePrivilege	2680	Explorer.EXE
Token: SeShutdownPrivilege	2680	Explorer.EXE
Token: SeCreatePagefilePrivilege	2680	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

RFQ5462-PO22000850.pdf.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 384 wrote to memory of 1568	384	RFQ5462-PO22000850.pdf.exe	powershell.exe
PID 384 wrote to memory of 1568	384	RFQ5462-PO22000850.pdf.exe	powershell.exe
PID 384 wrote to memory of 1568	384	RFQ5462-PO22000850.pdf.exe	powershell.exe
PID 384 wrote to memory of 4276	384	RFQ5462-PO22000850.pdf.exe	schtasks.exe
PID 384 wrote to memory of 4276	384	RFQ5462-PO22000850.pdf.exe	schtasks.exe
PID 384 wrote to memory of 4276	384	RFQ5462-PO22000850.pdf.exe	schtasks.exe
PID 384 wrote to memory of 4836	384	RFQ5462-PO22000850.pdf.exe	RFQ5462-PO22000850.pdf.exe
PID 384 wrote to memory of 4836	384	RFQ5462-PO22000850.pdf.exe	RFQ5462-PO22000850.pdf.exe
PID 384 wrote to memory of 4836	384	RFQ5462-PO22000850.pdf.exe	RFQ5462-PO22000850.pdf.exe
PID 384 wrote to memory of 4836	384	RFQ5462-PO22000850.pdf.exe	RFQ5462-PO22000850.pdf.exe
PID 384 wrote to memory of 4836	384	RFQ5462-PO22000850.pdf.exe	RFQ5462-PO22000850.pdf.exe
PID 384 wrote to memory of 4836	384	RFQ5462-PO22000850.pdf.exe	RFQ5462-PO22000850.pdf.exe
PID 2680 wrote to memory of 1732	2680	Explorer.EXE	wscript.exe
PID 2680 wrote to memory of 1732	2680	Explorer.EXE	wscript.exe
PID 2680 wrote to memory of 1732	2680	Explorer.EXE	wscript.exe
PID 1732 wrote to memory of 3820	1732	wscript.exe	cmd.exe
PID 1732 wrote to memory of 3820	1732	wscript.exe	cmd.exe
PID 1732 wrote to memory of 3820	1732	wscript.exe	cmd.exe
PID 1732 wrote to memory of 476	1732	wscript.exe	Firefox.exe
PID 1732 wrote to memory of 476	1732	wscript.exe	Firefox.exe
PID 1732 wrote to memory of 476	1732	wscript.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2680

C:\Users\Admin\AppData\Local\Temp\RFQ5462-PO22000850.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ5462-PO22000850.pdf.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:384

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TUciHnCOcgcjY.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1568

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TUciHnCOcgcjY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp67E2.tmp"
3⤵
- Creates scheduled task(s)
PID:4276

C:\Users\Admin\AppData\Local\Temp\RFQ5462-PO22000850.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ5462-PO22000850.pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4836

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:3820

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:476

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

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp67E2.tmp
Filesize
1KB

MD5
5cd394bbf4bee895dabd0d7b71369c0c

SHA1
88c15c29d29bd505d64829f4684365c700287004

SHA256
c6ab733e47ae2c1eb90dd13de1b78ef4069065b6483553888926056cc057820e

SHA512
0a232b45e18a843cbd2bebd8c5148ecfbfbc464db2643f29e62dfba217c5d55cbdbc1a6f02ed8c4b571ddee467e98ecff68ac852875291ca4ad74dae885d1a9d

Download Submit
C:\Users\Admin\AppData\Roaming\269N2RT7\269logim.jpeg
Filesize
85KB

MD5
5957e9bc05c2354396374edfe087f25a

SHA1
580ad7cec7ddd4de142517985f24987d8ccf39ee

SHA256
07badb729d428d9241bf78f39950bf58842db9e3cbabf11af883c7985ce36cf9

SHA512
e390aea9637e8e061d91fc8647442fadc805f3c5c9e2363f73af3057d7519749394b3092f1348836f33ea3e3ebec89fb688dd7554a8feb24342dca61795107b5

Download Submit
C:\Users\Admin\AppData\Roaming\269N2RT7\269logrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\269N2RT7\269logrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\269N2RT7\269logri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\269N2RT7\269logrv.ini
Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/384-130-0x0000000000630000-0x00000000006D0000-memory.dmp

Filesize
640KB

Download
memory/384-131-0x0000000005750000-0x0000000005CF4000-memory.dmp

Filesize
5.6MB

Download
memory/384-132-0x00000000050A0000-0x0000000005132000-memory.dmp

Filesize
584KB

Download
memory/384-133-0x0000000005060000-0x000000000506A000-memory.dmp

Filesize
40KB

Download
memory/384-134-0x0000000008980000-0x0000000008A1C000-memory.dmp

Filesize
624KB

Download
memory/1568-164-0x0000000007300000-0x0000000007308000-memory.dmp

Filesize
32KB

Download
memory/1568-158-0x0000000007260000-0x00000000072F6000-memory.dmp

Filesize
600KB

Download
memory/1568-144-0x0000000005680000-0x00000000056E6000-memory.dmp

Filesize
408KB

Download
memory/1568-146-0x0000000005CE0000-0x0000000005CFE000-memory.dmp

Filesize
120KB

Download
memory/1568-135-0x0000000000000000-mapping.dmp

Download
memory/1568-137-0x0000000004700000-0x0000000004736000-memory.dmp

Filesize
216KB

Download
memory/1568-139-0x0000000004DB0000-0x00000000053D8000-memory.dmp

Filesize
6.2MB

Download
memory/1568-150-0x00000000062B0000-0x00000000062E2000-memory.dmp

Filesize
200KB

Download
memory/1568-151-0x0000000071060000-0x00000000710AC000-memory.dmp

Filesize
304KB

Download
memory/1568-152-0x0000000006240000-0x000000000625E000-memory.dmp

Filesize
120KB

Download
memory/1568-153-0x0000000007630000-0x0000000007CAA000-memory.dmp

Filesize
6.5MB

Download
memory/1568-154-0x0000000006FE0000-0x0000000006FFA000-memory.dmp

Filesize
104KB

Download
memory/1568-142-0x0000000004D10000-0x0000000004D32000-memory.dmp

Filesize
136KB

Download
memory/1568-163-0x0000000007320000-0x000000000733A000-memory.dmp

Filesize
104KB

Download
memory/1568-157-0x0000000007050000-0x000000000705A000-memory.dmp

Filesize
40KB

Download
memory/1568-143-0x00000000053E0000-0x0000000005446000-memory.dmp

Filesize
408KB

Download
memory/1568-162-0x0000000007210000-0x000000000721E000-memory.dmp

Filesize
56KB

Download
memory/1732-167-0x00000000024F0000-0x0000000002584000-memory.dmp

Filesize
592KB

Download
memory/1732-161-0x0000000000550000-0x000000000057F000-memory.dmp

Filesize
188KB

Download
memory/1732-159-0x0000000000EE0000-0x0000000000F07000-memory.dmp

Filesize
156KB

Download
memory/1732-155-0x0000000000000000-mapping.dmp

Download
memory/1732-160-0x0000000002670000-0x00000000029BA000-memory.dmp

Filesize
3.3MB

Download
memory/2680-169-0x00000000073A0000-0x00000000074F7000-memory.dmp

Filesize
1.3MB

Download
memory/2680-168-0x00000000073A0000-0x00000000074F7000-memory.dmp

Filesize
1.3MB

Download
memory/2680-149-0x0000000002E10000-0x0000000002ED9000-memory.dmp

Filesize
804KB

Download
memory/3820-165-0x0000000000000000-mapping.dmp

Download
memory/4276-136-0x0000000000000000-mapping.dmp

Download
memory/4836-141-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4836-156-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4836-140-0x0000000000000000-mapping.dmp

Download
memory/4836-148-0x0000000001230000-0x0000000001245000-memory.dmp

Filesize
84KB

Download
memory/4836-147-0x00000000016F0000-0x0000000001A3A000-memory.dmp

Filesize
3.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads