formbook | b00ebd12d239ba9f75f11b3ad96b127730779e48f3e2fead50c9e5a7b7ca598a

General

Target

Request for Quotation-BV-76435020.exe
Size

654KB
MD5

a2fe795e8b63eb414f66e09953a56a46
SHA1

ffd4c5641f9253d6004af10110ffcc630be27521
SHA256

b00ebd12d239ba9f75f11b3ad96b127730779e48f3e2fead50c9e5a7b7ca598a
SHA512

3a99dffb20ab52a9a771b495f9e7f7acbc72d319b265197cc8465211b44eea1fa9c1550581a083f176a97bfecab3f6c6d79033b3cc5a8fcfd75cb6ac27e9e65a

Score

10^/10

evasion trojan spyware stealer formbook persistence

Malware Config

Signatures

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1496 set thread context of 1020	1496	Request for Quotation-BV-76435020.exe	24
PID 1020 set thread context of 1228	1020	Request for Quotation-BV-76435020.exe	20
PID 388 set thread context of 1228	388	raserver.exe	20

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1020	Request for Quotation-BV-76435020.exe
Token: SeDebugPrivilege	388	raserver.exe

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	raserver.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\-Z-XJLGPTH = "C:\\Program Files (x86)\\Ekpx0cfw0\\userdpwtjleh.exe"	raserver.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1131729243-447456001-3632642222-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 1020	1496	Request for Quotation-BV-76435020.exe	24
PID 1496 wrote to memory of 1020	1496	Request for Quotation-BV-76435020.exe	24
PID 1496 wrote to memory of 1020	1496	Request for Quotation-BV-76435020.exe	24
PID 1496 wrote to memory of 1020	1496	Request for Quotation-BV-76435020.exe	24
PID 1228 wrote to memory of 388	1228	Explorer.EXE	25
PID 1228 wrote to memory of 388	1228	Explorer.EXE	25
PID 1228 wrote to memory of 388	1228	Explorer.EXE	25
PID 1228 wrote to memory of 388	1228	Explorer.EXE	25
PID 388 wrote to memory of 336	388	raserver.exe	26
PID 388 wrote to memory of 336	388	raserver.exe	26
PID 388 wrote to memory of 336	388	raserver.exe	26
PID 388 wrote to memory of 336	388	raserver.exe	26
PID 388 wrote to memory of 1628	388	raserver.exe	31
PID 388 wrote to memory of 1628	388	raserver.exe	31
PID 388 wrote to memory of 1628	388	raserver.exe	31
PID 388 wrote to memory of 1628	388	raserver.exe	31
PID 388 wrote to memory of 1628	388	raserver.exe	31

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
1496	Request for Quotation-BV-76435020.exe
1020	Request for Quotation-BV-76435020.exe
1020	Request for Quotation-BV-76435020.exe
1020	Request for Quotation-BV-76435020.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe

Deletes itself 1 IoCs

pid	Process
336	cmd.exe

Suspicious use of FindShellTrayWindow 8 IoCs

pid	Process
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	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

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1496	Request for Quotation-BV-76435020.exe
1020	Request for Quotation-BV-76435020.exe
1020	Request for Quotation-BV-76435020.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe

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

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Ekpx0cfw0\userdpwtjleh.exe	raserver.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
- Suspicious use of FindShellTrayWindow
- Checks whether UAC is enabled
PID:1228
- C:\Users\Admin\AppData\Local\Temp\Request for Quotation-BV-76435020.exe
  "C:\Users\Admin\AppData\Local\Temp\Request for Quotation-BV-76435020.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  - Suspicious behavior: MapViewOfSection
  - Suspicious behavior: EnumeratesProcesses
  PID:1496
- - C:\Users\Admin\AppData\Local\Temp\Request for Quotation-BV-76435020.exe
    "C:\Users\Admin\AppData\Local\Temp\Request for Quotation-BV-76435020.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious behavior: MapViewOfSection
    - Suspicious behavior: EnumeratesProcesses
    PID:1020
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Adds Run entry to start application
  - Modifies Internet Explorer settings
  - Suspicious use of WriteProcessMemory
  - Suspicious behavior: MapViewOfSection
  - Suspicious behavior: EnumeratesProcesses
  - Drops file in Program Files directory
  PID:388
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Request for Quotation-BV-76435020.exe"
    3⤵
    - Deletes itself
    PID:336
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1628

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/388-3-0x00000000000B0000-0x00000000000CC000-memory.dmp

Filesize
112KB

Download
memory/388-6-0x0000000003A90000-0x0000000003BA4000-memory.dmp

Filesize
1.1MB

Download
memory/388-5-0x0000000002FA0000-0x000000000305D000-memory.dmp

Filesize
756KB

Download
memory/1020-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1628-8-0x000000013F600000-0x000000013F693000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads