formbook | b45a38f7012d02b12d3613d25450847d87c14c9b3207380594fc5e1f1b1728d9

General

Target

9e50ed09439b4f2206f6cee1b233677c.exe
Size

510KB
MD5

9e50ed09439b4f2206f6cee1b233677c
SHA1

719705903de481a3c680db18f8cef892efef3dc7
SHA256

b45a38f7012d02b12d3613d25450847d87c14c9b3207380594fc5e1f1b1728d9
SHA512

927789d6fca24317b1cc41825485cf06cf337204d8007b32220ef2fb28ee48275102a9148682336f76e7586e5ed714d1de2098c08886ea1b76007880a5c45d80

Score

10^/10

formbook bt33 persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

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

Signatures

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

Formbook Payload 1 IoCs

rat

Processes:

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

Processes:

9e50ed09439b4f2206f6cee1b233677c.exe

description pid process target process

PID 916 set thread context of 1020 916 9e50ed09439b4f2206f6cee1b233677c.exe 9e50ed09439b4f2206f6cee1b233677c.exe

description	pid	process	target process
PID 916 set thread context of 1020	916	9e50ed09439b4f2206f6cee1b233677c.exe	9e50ed09439b4f2206f6cee1b233677c.exe

Modifies data under HKEY_USERS 41 IoCs

Processes:

WaaSMedicAgent.exe

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

Processes:

9e50ed09439b4f2206f6cee1b233677c.exe9e50ed09439b4f2206f6cee1b233677c.exe

pid	process
916	9e50ed09439b4f2206f6cee1b233677c.exe
916	9e50ed09439b4f2206f6cee1b233677c.exe
1020	9e50ed09439b4f2206f6cee1b233677c.exe
1020	9e50ed09439b4f2206f6cee1b233677c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

9e50ed09439b4f2206f6cee1b233677c.exe

description pid process

Token: SeDebugPrivilege 916 9e50ed09439b4f2206f6cee1b233677c.exe

description	pid	process
Token: SeDebugPrivilege	916	9e50ed09439b4f2206f6cee1b233677c.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

9e50ed09439b4f2206f6cee1b233677c.exe

description	pid	process	target process
PID 916 wrote to memory of 2100	916	9e50ed09439b4f2206f6cee1b233677c.exe	9e50ed09439b4f2206f6cee1b233677c.exe
PID 916 wrote to memory of 2100	916	9e50ed09439b4f2206f6cee1b233677c.exe	9e50ed09439b4f2206f6cee1b233677c.exe
PID 916 wrote to memory of 2100	916	9e50ed09439b4f2206f6cee1b233677c.exe	9e50ed09439b4f2206f6cee1b233677c.exe
PID 916 wrote to memory of 1020	916	9e50ed09439b4f2206f6cee1b233677c.exe	9e50ed09439b4f2206f6cee1b233677c.exe
PID 916 wrote to memory of 1020	916	9e50ed09439b4f2206f6cee1b233677c.exe	9e50ed09439b4f2206f6cee1b233677c.exe
PID 916 wrote to memory of 1020	916	9e50ed09439b4f2206f6cee1b233677c.exe	9e50ed09439b4f2206f6cee1b233677c.exe
PID 916 wrote to memory of 1020	916	9e50ed09439b4f2206f6cee1b233677c.exe	9e50ed09439b4f2206f6cee1b233677c.exe
PID 916 wrote to memory of 1020	916	9e50ed09439b4f2206f6cee1b233677c.exe	9e50ed09439b4f2206f6cee1b233677c.exe
PID 916 wrote to memory of 1020	916	9e50ed09439b4f2206f6cee1b233677c.exe	9e50ed09439b4f2206f6cee1b233677c.exe

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 Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

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

Filesize
536KB

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

Filesize
4KB

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

Filesize
584KB

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

Filesize
624KB

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

Filesize
5.6MB

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

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads