formbook | 172842029f8937753e79843e36fcb4715c0f3a9de4b256585847df48caf8e10f

General

Target

WRONG PAYMENT_PDF.exe
Size

370KB
MD5

23bdd421e22c233b48e0bf179ec45238
SHA1

7788999310396fb6617b51d55fa7f268bdf79fa8
SHA256

172842029f8937753e79843e36fcb4715c0f3a9de4b256585847df48caf8e10f
SHA512

4bca39de0d75405fbdc8c1a6ed4980b678ff66cd580c44d929d1595a9d8e3f5405ed696862edfb95f823905d3d245d4e360abf3eec2ef41539175d9f51145df0

Score

10^/10

spyware trojan stealer formbook persistence

Malware Config

Signatures

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1296	WRONG PAYMENT_PDF.exe
Token: SeDebugPrivilege	1696	WRONG PAYMENT_PDF.exe
Token: SeDebugPrivilege	1808	cmstp.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1296 wrote to memory of 1696	1296	WRONG PAYMENT_PDF.exe	26
PID 1296 wrote to memory of 1696	1296	WRONG PAYMENT_PDF.exe	26
PID 1296 wrote to memory of 1696	1296	WRONG PAYMENT_PDF.exe	26
PID 1296 wrote to memory of 1696	1296	WRONG PAYMENT_PDF.exe	26
PID 1296 wrote to memory of 1696	1296	WRONG PAYMENT_PDF.exe	26
PID 1296 wrote to memory of 1696	1296	WRONG PAYMENT_PDF.exe	26
PID 1296 wrote to memory of 1696	1296	WRONG PAYMENT_PDF.exe	26
PID 1304 wrote to memory of 1808	1304	Explorer.EXE	27
PID 1304 wrote to memory of 1808	1304	Explorer.EXE	27
PID 1304 wrote to memory of 1808	1304	Explorer.EXE	27
PID 1304 wrote to memory of 1808	1304	Explorer.EXE	27
PID 1304 wrote to memory of 1808	1304	Explorer.EXE	27
PID 1304 wrote to memory of 1808	1304	Explorer.EXE	27
PID 1304 wrote to memory of 1808	1304	Explorer.EXE	27
PID 1808 wrote to memory of 1828	1808	cmstp.exe	28
PID 1808 wrote to memory of 1828	1808	cmstp.exe	28
PID 1808 wrote to memory of 1828	1808	cmstp.exe	28
PID 1808 wrote to memory of 1828	1808	cmstp.exe	28
PID 1808 wrote to memory of 1636	1808	cmstp.exe	31
PID 1808 wrote to memory of 1636	1808	cmstp.exe	31
PID 1808 wrote to memory of 1636	1808	cmstp.exe	31
PID 1808 wrote to memory of 1636	1808	cmstp.exe	31
PID 1808 wrote to memory of 1636	1808	cmstp.exe	31

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1296 set thread context of 1696	1296	WRONG PAYMENT_PDF.exe	26
PID 1696 set thread context of 1304	1696	WRONG PAYMENT_PDF.exe	20
PID 1808 set thread context of 1304	1808	cmstp.exe	20

Executes dropped EXE 1 IoCs

pid	Process
1696	WRONG PAYMENT_PDF.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1296	WRONG PAYMENT_PDF.exe
1696	WRONG PAYMENT_PDF.exe
1696	WRONG PAYMENT_PDF.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1696	WRONG PAYMENT_PDF.exe
1696	WRONG PAYMENT_PDF.exe
1696	WRONG PAYMENT_PDF.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe
1808	cmstp.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE

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

Data from Local System
T1005

Credentials in Files
T1081

Adds Run entry to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	cmstp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JPWDVVHPJD = "C:\\Program Files (x86)\\Bolxdwh\\Cookies1bd0.exe"	cmstp.exe

Loads dropped DLL 1 IoCs

pid	Process
1296	WRONG PAYMENT_PDF.exe

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-910373003-3952921535-3480519689-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmstp.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Bolxdwh\Cookies1bd0.exe	cmstp.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SendNotifyMessage
- Suspicious use of FindShellTrayWindow
PID:1304
- C:\Users\Admin\AppData\Local\Temp\WRONG PAYMENT_PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\WRONG PAYMENT_PDF.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Loads dropped DLL
  PID:1296
- - C:\Users\Admin\AppData\Local\Temp\WRONG PAYMENT_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\WRONG PAYMENT_PDF.exe"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetThreadContext
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    PID:1696
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Adds Run entry to start application
  - Modifies Internet Explorer settings
  - Drops file in Program Files directory
  PID:1808
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\WRONG PAYMENT_PDF.exe"
    3⤵
    PID:1828
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1636-17-0x000000013FCE0000-0x000000013FD73000-memory.dmp

Filesize
588KB

Download
memory/1696-1-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1808-15-0x0000000003A40000-0x0000000003BB1000-memory.dmp

Filesize
1.4MB

Download
memory/1808-9-0x0000000074E20000-0x0000000074F3D000-memory.dmp

Filesize
1.1MB

Download
memory/1808-8-0x0000000076890000-0x000000007689C000-memory.dmp

Filesize
48KB

Download
memory/1808-7-0x0000000001DD0000-0x0000000001EBA000-memory.dmp

Filesize
936KB

Download
memory/1808-5-0x00000000007E0000-0x00000000007F8000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads