formbook | b45a38f7012d02b12d3613d25450847d87c14c9b3207380594fc5e1f1b1728d9

Analysis

max time kernel
79s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
31/01/2022, 12:20

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General

Target
9e50ed09439b4f2206f6cee1b233677c.exe
Size 510KB
Sample220131-phstxshga5
SHA256 b45a38f7012d02b12d3613d25450847d87c14c9b3207380594fc5e1f1b1728d9
MD5 9e50ed09439b4f2206f6cee1b233677c
SHA1 719705903de481a3c680db18f8cef892efef3dc7
SHA512 927789d6fca24317b1cc41825485cf06cf337204d8007b32220ef2fb28ee48275102a9148682336f76e7586e5ed714d1de2098c08886ea1b76007880a5c45d80
MD5 SHA1 SHA512

Score

10^/10

formbook bt33 persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

Campaign

bt33

Decoy

mbaonlinefreedegress.info
myforevermaid.com
daoyi365.com
weientm.com
legal-mx.com
formationrigging.com
heidiet.xyz
school-prosto.store
healthvitaminnutrition.com
digitalsolutionusa.com
little-bazar.com
jnbeautycanada.com
optoelek.com
learntoairmail.com
hawkminer.com
kingofearth.love
ktnstay.xyz
zouxin.love
mainlandpr.com
mamm-hummel.com
planosdwgcad.com
dlscordapp.info
northfacecore.online
professionalswhotrade.com
vbcgrp.com
spares245.com
alphasignsatl.online
342731.com
amazingarizonaproperty.com
priorlakecarpetcleaning.com
boardwalksnj.com
shiinebydesign.com
dymends.digital
indie-shopper.com
weihiw.quest
dchehe.com
momshousegeorgia.com
bnvxnohpcuhxbcueuvl.biz
tinyspout.com
hambransupply.com
keywordjord.com
koebnertriangle.com
aodiskoo.com
zgqyjlhw.com
thule-usa.store
western-overseas.online
woofpack-adventures.com
tilallarehome.com
51easyprint.com
arucad.university
llanoseeds.com
3-v0.space
harsors.com
sumiyoshiku-tenisuhiji.xyz
alsafqah.com
wrxworld.net
evrefill.com
multicoopltda.com
ziggytherealtor.com
candidatbellomansour.info
bigpromo.club
evagrombook.com
lyni7lyo.xyz
ways.express
karasevda-jor.com

Signatures

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

Formbook Payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/1020-138-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 916 set thread context of 1020	916	9e50ed09439b4f2206f6cee1b233677c.exe	69

Modifies data under HKEY_USERS 41 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
916	9e50ed09439b4f2206f6cee1b233677c.exe
916	9e50ed09439b4f2206f6cee1b233677c.exe
1020	9e50ed09439b4f2206f6cee1b233677c.exe
1020	9e50ed09439b4f2206f6cee1b233677c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	916	9e50ed09439b4f2206f6cee1b233677c.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 916 wrote to memory of 2100	916	9e50ed09439b4f2206f6cee1b233677c.exe	68
PID 916 wrote to memory of 2100	916	9e50ed09439b4f2206f6cee1b233677c.exe	68
PID 916 wrote to memory of 2100	916	9e50ed09439b4f2206f6cee1b233677c.exe	68
PID 916 wrote to memory of 1020	916	9e50ed09439b4f2206f6cee1b233677c.exe	69
PID 916 wrote to memory of 1020	916	9e50ed09439b4f2206f6cee1b233677c.exe	69
PID 916 wrote to memory of 1020	916	9e50ed09439b4f2206f6cee1b233677c.exe	69
PID 916 wrote to memory of 1020	916	9e50ed09439b4f2206f6cee1b233677c.exe	69
PID 916 wrote to memory of 1020	916	9e50ed09439b4f2206f6cee1b233677c.exe	69
PID 916 wrote to memory of 1020	916	9e50ed09439b4f2206f6cee1b233677c.exe	69

C:\Users\Admin\AppData\Local\Temp\9e50ed09439b4f2206f6cee1b233677c.exe
"C:\Users\Admin\AppData\Local\Temp\9e50ed09439b4f2206f6cee1b233677c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:916
- C:\Users\Admin\AppData\Local\Temp\9e50ed09439b4f2206f6cee1b233677c.exe
  "C:\Users\Admin\AppData\Local\Temp\9e50ed09439b4f2206f6cee1b233677c.exe"
  2⤵
  PID:2100
- C:\Users\Admin\AppData\Local\Temp\9e50ed09439b4f2206f6cee1b233677c.exe
  "C:\Users\Admin\AppData\Local\Temp\9e50ed09439b4f2206f6cee1b233677c.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1020

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 0048a8bd3e55df3f36d8f69936799031 neWrerG0IkW2h9X5MLBNpw.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:1176

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/916-133-0x0000000000C20000-0x0000000000CA6000-memory.dmp

Download

memory/916-134-0x0000000005790000-0x0000000005791000-memory.dmp

Download

memory/916-135-0x0000000005840000-0x00000000058D2000-memory.dmp

Download

memory/916-136-0x0000000005B80000-0x0000000005C1C000-memory.dmp

Download

memory/916-137-0x0000000006550000-0x0000000006AF4000-memory.dmp

Download

memory/1020-138-0x0000000000400000-0x000000000042F000-memory.dmp

Download