formbook | cab5f50e805b3a36e0ea6cf84c40b4b90e372fcd2f3f1024664af5440282d496

Analysis

max time kernel
4265101s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
17/01/2022, 06:48

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General

Target
listed goods.exe
Size 721KB
Sample220117-hkstdahbcj
SHA256 cab5f50e805b3a36e0ea6cf84c40b4b90e372fcd2f3f1024664af5440282d496
MD5 91afb771acd23304827f4dca829e360d
SHA1 99f14b23168805c8860a21de598c95f8e28cd75b
SHA512 686eec9ade39a4cdc638d56259911c8908b115f826f6eb0516f91289dfe64994b0418f72827d55cd59872bb73f1abc0e2c1e347bff5bd47f217be0905f31a42d
MD5 SHA1 SHA512

Score

10^/10

formbook modiloader su4h persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

Campaign

su4h

Decoy

groovygorditas.com
mrcandywholesale.com
beer-nuts.xyz
its-choke.store
officefurnitureinteriors.com
nkdbetta.online
destocksol.com
sustainability-magazine.online
medilamwellness.com
buildersdesignservices.net
jaicraquemacombi.net
cglvyoxu.com
pid-solutions.com
lgldesignstories.com
willamsbrian91.xyz
jockstaffing.com
delhipathlab.com
fiat126.info
gardiropaskisi.com
lz-jaini1615-hw0916-bs.xyz
y-mashiko.com
chocotoure.com
morteneden.com
changecollection.store
beit-khairat-al-salt.com
relatinpcr.online
enprolaser.com
storesilasy.com
gpulli.com
holymollyhm.com
tangerinebin.com
bastiendealmeida.com
acidiabouw.quest
paeramolen.quest
friendsoftravisnelson.com
me85.one
ipaycell.com
sharpcave.com
salenorthface.online
muralswallartandpaintings.com
sbrm.xyz
kingsliquorstore.com
bibopay.net
hockeyscheduling.com
jacobcass.digital
wenzedl.space
allycreditunion.com
sojuicybar.com
creativeeworks.com
goodbridge.xyz
bqtjk.com
harsors.com
artistpreetboparai.com
annalouah.com
travellingmedic.com
jamile.store
opexlatinamericaninstitute.com
kubest.club
missjones.info
parisottoproperties.com
sebringgirl.com
utahlandsforsale.com
klaserclinic.com
pcs4lessllc.com
komocbd.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
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 2 IoCs

rat

resource	yara_rule
behavioral2/memory/2532-134-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3888-141-0x00000000032D0000-0x00000000032FF000-memory.dmp	formbook

ModiLoader First Stage 1 IoCs

resource	yara_rule
behavioral2/memory/900-132-0x0000000002F81000-0x0000000002F95000-memory.dmp	modiloader_stage1

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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dyyuucvleg = "C:\\Users\\Admin\\Contacts\\gelvcuuyyD.url"	listed goods.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 900 set thread context of 2532	900	listed goods.exe	58
PID 2532 set thread context of 2308	2532	listed goods.exe	31
PID 3888 set thread context of 2308	3888	wlanext.exe	31

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotification.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotification.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wlanext.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	listed goods.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	listed goods.exe

Suspicious behavior: EnumeratesProcesses 52 IoCs

pid	Process
2532	listed goods.exe
2532	listed goods.exe
2532	listed goods.exe
2532	listed goods.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2308	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2532	listed goods.exe
2532	listed goods.exe
2532	listed goods.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe
3888	wlanext.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3376	MusNotification.exe
Token: SeCreatePagefilePrivilege	3376	MusNotification.exe
Token: SeDebugPrivilege	2532	listed goods.exe
Token: SeDebugPrivilege	3888	wlanext.exe
Token: SeShutdownPrivilege	2308	Explorer.EXE
Token: SeCreatePagefilePrivilege	2308	Explorer.EXE
Token: SeShutdownPrivilege	2308	Explorer.EXE
Token: SeCreatePagefilePrivilege	2308	Explorer.EXE
Token: SeShutdownPrivilege	2308	Explorer.EXE
Token: SeCreatePagefilePrivilege	2308	Explorer.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 2532	900	listed goods.exe	58
PID 900 wrote to memory of 2532	900	listed goods.exe	58
PID 900 wrote to memory of 2532	900	listed goods.exe	58
PID 900 wrote to memory of 2532	900	listed goods.exe	58
PID 900 wrote to memory of 2532	900	listed goods.exe	58
PID 2308 wrote to memory of 3888	2308	Explorer.EXE	59
PID 2308 wrote to memory of 3888	2308	Explorer.EXE	59
PID 2308 wrote to memory of 3888	2308	Explorer.EXE	59
PID 3888 wrote to memory of 2500	3888	wlanext.exe	60
PID 3888 wrote to memory of 2500	3888	wlanext.exe	60
PID 3888 wrote to memory of 2500	3888	wlanext.exe	60
PID 3888 wrote to memory of 1340	3888	wlanext.exe	63
PID 3888 wrote to memory of 1340	3888	wlanext.exe	63
PID 3888 wrote to memory of 1340	3888	wlanext.exe	63

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Temp\listed goods.exe
  "C:\Users\Admin\AppData\Local\Temp\listed goods.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Modifies system certificate store
  - Suspicious use of WriteProcessMemory
  PID:900
- - C:\Users\Admin\AppData\Local\Temp\listed goods.exe
    "C:\Users\Admin\AppData\Local\Temp\listed goods.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2532
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:3888
- - 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:2500
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1340

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:3376

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/900-131-0x0000000002F80000-0x0000000002F81000-memory.dmp

Download

memory/900-132-0x0000000002F81000-0x0000000002F95000-memory.dmp

Download

memory/900-130-0x0000000002360000-0x0000000002361000-memory.dmp

Download

memory/2308-138-0x00000000088C0000-0x0000000008A57000-memory.dmp

Download

memory/2308-146-0x0000000003840000-0x0000000003905000-memory.dmp

Download

memory/2532-137-0x00000000009C0000-0x00000000009D4000-memory.dmp

Download

memory/2532-136-0x0000000000A00000-0x0000000000D4A000-memory.dmp

Download

memory/2532-134-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/3888-142-0x0000000003960000-0x0000000003CAA000-memory.dmp

Download

memory/3888-145-0x00000000038C0000-0x0000000003953000-memory.dmp

Download

memory/3888-141-0x00000000032D0000-0x00000000032FF000-memory.dmp

Download

memory/3888-140-0x0000000000EA0000-0x0000000000EB7000-memory.dmp

Download