formbook | 3614d38f71c129eda85ef01488a00a61661e3bb0c7963b15fb6a3cbffdc54ba4

General

Target

nuovo ordine.exe
Size

391KB
MD5

7d7e555fa23b77a241816576939337e7
SHA1

e7360c15d4cc0dc0fa3ff747b64d6c0a52e41861
SHA256

c37b5db790caaad96b2ae291910803a016cdae230b743bc2029a21ded85b9f03
SHA512

9a00f518afee39dd06ecd31f2dd7f91962570d8cb786096328478032c36df3300aa4eeff71d746bf521c6fe291144b48d005b808a44ede7beb0cadac4c138977

Score

10^/10

formbook kvsz persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kvsz

Decoy

okashyns.com

sbsgamedaejeon-two.com

drb77.com

top5dating.com

websprings.online

voizers.com

zenith.site

lahistoriade.com

qv85.com

armandonieto.com

priestvedic.com

jessandjeff.net

magic-desktop.com

jitaji.com

ldmeili.com

yuwanqingmy.com

buzhouorg.com

chaiseloungereviews.com

m2g8way.com

freespin-support.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

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1288-136-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4252-143-0x0000000001030000-0x000000000105E000-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:

nuovo ordine.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	nuovo ordine.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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\XRKDTXS0 = "C:\\Program Files (x86)\\Fdx4xnb\\ivkddzcdnt2x.exe"	svchost.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

nuovo ordine.exeRegSvcs.exesvchost.exe

description	pid	process	target process
PID 1196 set thread context of 1288	1196	nuovo ordine.exe	RegSvcs.exe
PID 1288 set thread context of 3148	1288	RegSvcs.exe	Explorer.EXE
PID 4252 set thread context of 3148	4252	svchost.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

svchost.exe

description ioc process

File opened for modification C:\Program Files (x86)\Fdx4xnb\ivkddzcdnt2x.exe svchost.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

4408 schtasks.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Fdx4xnb\ivkddzcdnt2x.exe	svchost.exe

pid	process
4408	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	svchost.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

Processes:

nuovo ordine.exeRegSvcs.exesvchost.exe

pid	process
1196	nuovo ordine.exe
1196	nuovo ordine.exe
1196	nuovo ordine.exe
1196	nuovo ordine.exe
1196	nuovo ordine.exe
1196	nuovo ordine.exe
1288	RegSvcs.exe
1288	RegSvcs.exe
1288	RegSvcs.exe
1288	RegSvcs.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3148 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

RegSvcs.exesvchost.exe

pid process

1288 RegSvcs.exe
1288 RegSvcs.exe
1288 RegSvcs.exe
4252 svchost.exe
4252 svchost.exe
4252 svchost.exe
4252 svchost.exe

pid	process
3148	Explorer.EXE

pid	process
1288	RegSvcs.exe
1288	RegSvcs.exe
1288	RegSvcs.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe
4252	svchost.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

nuovo ordine.exeRegSvcs.exesvchost.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1196	nuovo ordine.exe
Token: SeDebugPrivilege	1288	RegSvcs.exe
Token: SeDebugPrivilege	4252	svchost.exe
Token: SeShutdownPrivilege	3148	Explorer.EXE
Token: SeCreatePagefilePrivilege	3148	Explorer.EXE
Token: SeShutdownPrivilege	3148	Explorer.EXE
Token: SeCreatePagefilePrivilege	3148	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

nuovo ordine.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 1196 wrote to memory of 4408	1196	nuovo ordine.exe	schtasks.exe
PID 1196 wrote to memory of 4408	1196	nuovo ordine.exe	schtasks.exe
PID 1196 wrote to memory of 4408	1196	nuovo ordine.exe	schtasks.exe
PID 1196 wrote to memory of 1288	1196	nuovo ordine.exe	RegSvcs.exe
PID 1196 wrote to memory of 1288	1196	nuovo ordine.exe	RegSvcs.exe
PID 1196 wrote to memory of 1288	1196	nuovo ordine.exe	RegSvcs.exe
PID 1196 wrote to memory of 1288	1196	nuovo ordine.exe	RegSvcs.exe
PID 1196 wrote to memory of 1288	1196	nuovo ordine.exe	RegSvcs.exe
PID 1196 wrote to memory of 1288	1196	nuovo ordine.exe	RegSvcs.exe
PID 3148 wrote to memory of 4252	3148	Explorer.EXE	svchost.exe
PID 3148 wrote to memory of 4252	3148	Explorer.EXE	svchost.exe
PID 3148 wrote to memory of 4252	3148	Explorer.EXE	svchost.exe
PID 4252 wrote to memory of 4912	4252	svchost.exe	cmd.exe
PID 4252 wrote to memory of 4912	4252	svchost.exe	cmd.exe
PID 4252 wrote to memory of 4912	4252	svchost.exe	cmd.exe
PID 4252 wrote to memory of 4004	4252	svchost.exe	cmd.exe
PID 4252 wrote to memory of 4004	4252	svchost.exe	cmd.exe
PID 4252 wrote to memory of 4004	4252	svchost.exe	cmd.exe
PID 4252 wrote to memory of 3732	4252	svchost.exe	Firefox.exe
PID 4252 wrote to memory of 3732	4252	svchost.exe	Firefox.exe
PID 4252 wrote to memory of 3732	4252	svchost.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3148

C:\Users\Admin\AppData\Local\Temp\nuovo ordine.exe
"C:\Users\Admin\AppData\Local\Temp\nuovo ordine.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1196

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iaSzQzjCf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2710.tmp"
3⤵
- Creates scheduled task(s)
PID:4408

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1288

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4252

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:4912

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:4004

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3732

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

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\tmp2710.tmp
Filesize
1KB

MD5
dae0e8f00fdf7ba715452ebd45afc74f

SHA1
f8c5b4230bf23498e5150733a64ae1d4472f7c28

SHA256
57709b622f87b886e74df4f2cdb3144682b5b00251e49c820457e0d7c4d32f17

SHA512
5d819b0356d15f35b2fd679b59b44f6116b17ff77f66158eb59cac28839f8851652099acdb67cd01bed79224f2a62a310028eb6b47d05bca1209ac47f495186a

Download Submit
memory/1196-130-0x0000000000F40000-0x0000000000FA8000-memory.dmp

Filesize
416KB

Download
memory/1196-131-0x0000000005B80000-0x0000000005C1C000-memory.dmp

Filesize
624KB

Download
memory/1196-132-0x0000000005CC0000-0x0000000005D52000-memory.dmp

Filesize
584KB

Download
memory/1288-139-0x00000000019A0000-0x00000000019B4000-memory.dmp

Filesize
80KB

Download
memory/1288-136-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1288-138-0x0000000001AE0000-0x0000000001E2A000-memory.dmp

Filesize
3.3MB

Download
memory/1288-135-0x0000000000000000-mapping.dmp

Download
memory/3148-140-0x00000000032C0000-0x00000000033D4000-memory.dmp

Filesize
1.1MB

Download
memory/3148-147-0x0000000002F80000-0x000000000305D000-memory.dmp

Filesize
884KB

Download
memory/4004-148-0x0000000000000000-mapping.dmp

Download
memory/4252-143-0x0000000001030000-0x000000000105E000-memory.dmp

Filesize
184KB

Download
memory/4252-145-0x0000000001B00000-0x0000000001E4A000-memory.dmp

Filesize
3.3MB

Download
memory/4252-146-0x0000000001740000-0x00000000017D3000-memory.dmp

Filesize
588KB

Download
memory/4252-142-0x0000000000470000-0x000000000047E000-memory.dmp

Filesize
56KB

Download
memory/4252-141-0x0000000000000000-mapping.dmp

Download
memory/4408-133-0x0000000000000000-mapping.dmp

Download
memory/4912-144-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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