formbook | b196af30d4f938648c5c626b0c578d73d7d1c4f09b2228800ca78744bf508c06

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12/10/2023, 04:47

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General

Target

Drawing.exe
Size

603KB
MD5

9edfa017d41749f89e3ed03de95be047
SHA1

a4ff313cafc64343ffa7afe7ff03fe9f872ab28a
SHA256

b196af30d4f938648c5c626b0c578d73d7d1c4f09b2228800ca78744bf508c06
SHA512

82c24694b21c70096fc8eb5d8dfedf73b03fc88e12206fc8457585fe60b92e72a94d523ab0dc2f1196ef204f90557f5d5360772fce5264440e657b0e22ece68c
SSDEEP

12288:NtHzPrD6MqJ0yadE1dewjSVbJKKGIQh7/xPM7cNmU6:njDZq6dEKJKrIQh7/oU6

Score

10^/10

formbook go95 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

go95

Decoy

shellveil.com

digitaldame.shop

gsqjrl.top

freitasfamilylaw.com

alliancetransportllc.com

connecthospitality.work

awwaloon.com

fomohour.xyz

sjapkhuf.top

designmcraft.com

travelguidanceer.pro

vejashoessuomi.com

smallsipsteel.com

hallowedhavenstudios.com

bestonsports.com

touxiong53a.com

azgskyhvz4.top

strategicroulette.com

69farma.com

cosmosoftventures.com

Signatures

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

Formbook payload 6 IoCs

rat

resource	yara_rule
behavioral1/memory/2488-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2488-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2488-33-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/552-40-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/2620-43-0x00000000023B0000-0x00000000023F0000-memory.dmp	formbook
behavioral1/memory/552-45-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2008	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2572 set thread context of 2488	2572	Drawing.exe	35
PID 2488 set thread context of 1344	2488	Drawing.exe	7
PID 2488 set thread context of 1344	2488	Drawing.exe	7
PID 552 set thread context of 1344	552	svchost.exe	7

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2648	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
2572	Drawing.exe
2572	Drawing.exe
2488	Drawing.exe
2488	Drawing.exe
2488	Drawing.exe
552	svchost.exe
552	svchost.exe
2620	powershell.exe
552	svchost.exe
552	svchost.exe
552	svchost.exe
552	svchost.exe
552	svchost.exe
552	svchost.exe
552	svchost.exe
552	svchost.exe
552	svchost.exe
552	svchost.exe
552	svchost.exe
552	svchost.exe
552	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1344	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2488	Drawing.exe
2488	Drawing.exe
2488	Drawing.exe
2488	Drawing.exe
552	svchost.exe
552	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2572	Drawing.exe
Token: SeDebugPrivilege	2488	Drawing.exe
Token: SeDebugPrivilege	552	svchost.exe
Token: SeDebugPrivilege	2620	powershell.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 2620	2572	Drawing.exe	30
PID 2572 wrote to memory of 2620	2572	Drawing.exe	30
PID 2572 wrote to memory of 2620	2572	Drawing.exe	30
PID 2572 wrote to memory of 2620	2572	Drawing.exe	30
PID 2572 wrote to memory of 2648	2572	Drawing.exe	32
PID 2572 wrote to memory of 2648	2572	Drawing.exe	32
PID 2572 wrote to memory of 2648	2572	Drawing.exe	32
PID 2572 wrote to memory of 2648	2572	Drawing.exe	32
PID 2572 wrote to memory of 2600	2572	Drawing.exe	34
PID 2572 wrote to memory of 2600	2572	Drawing.exe	34
PID 2572 wrote to memory of 2600	2572	Drawing.exe	34
PID 2572 wrote to memory of 2600	2572	Drawing.exe	34
PID 2572 wrote to memory of 2488	2572	Drawing.exe	35
PID 2572 wrote to memory of 2488	2572	Drawing.exe	35
PID 2572 wrote to memory of 2488	2572	Drawing.exe	35
PID 2572 wrote to memory of 2488	2572	Drawing.exe	35
PID 2572 wrote to memory of 2488	2572	Drawing.exe	35
PID 2572 wrote to memory of 2488	2572	Drawing.exe	35
PID 2572 wrote to memory of 2488	2572	Drawing.exe	35
PID 2488 wrote to memory of 552	2488	Drawing.exe	36
PID 2488 wrote to memory of 552	2488	Drawing.exe	36
PID 2488 wrote to memory of 552	2488	Drawing.exe	36
PID 2488 wrote to memory of 552	2488	Drawing.exe	36
PID 552 wrote to memory of 2008	552	svchost.exe	37
PID 552 wrote to memory of 2008	552	svchost.exe	37
PID 552 wrote to memory of 2008	552	svchost.exe	37
PID 552 wrote to memory of 2008	552	svchost.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:1344
- C:\Users\Admin\AppData\Local\Temp\Drawing.exe
  "C:\Users\Admin\AppData\Local\Temp\Drawing.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NKLDrvsKeZqp.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2620
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NKLDrvsKeZqp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp696D.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2648
- - C:\Users\Admin\AppData\Local\Temp\Drawing.exe
    "C:\Users\Admin\AppData\Local\Temp\Drawing.exe"
    3⤵
    PID:2600
- - C:\Users\Admin\AppData\Local\Temp\Drawing.exe
    "C:\Users\Admin\AppData\Local\Temp\Drawing.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2488
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\SysWOW64\svchost.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:552
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\Drawing.exe"
        5⤵
        Deletes itself
        
        PID:2008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp696D.tmp

Filesize
1KB

MD5
7c4bb5968d4b9c300de7a55dd1cd3d48

SHA1
b6563dda82201bf0e3fd2c0dc31ad97d78c8183f

SHA256
72ca9d6115eb57b4c4fa161305d6fcee40084901750a7be2b4b522182269b6a8

SHA512
270be411611cf48e8a17f9b6d95723e86e6de259125a2e24bf6c519d6196402122a44bb8b5735dbcf7e39396c8b1c118fb877bcc7edd9add812527e64f4e383d

Download Submit
memory/552-44-0x0000000000830000-0x0000000000B33000-memory.dmp

Filesize
3.0MB

Download
memory/552-48-0x0000000000650000-0x00000000006E3000-memory.dmp

Filesize
588KB

Download
memory/552-45-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/552-40-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/552-39-0x0000000000820000-0x0000000000828000-memory.dmp

Filesize
32KB

Download
memory/552-38-0x0000000000820000-0x0000000000828000-memory.dmp

Filesize
32KB

Download
memory/1344-51-0x00000000092E0000-0x0000000009403000-memory.dmp

Filesize
1.1MB

Download
memory/1344-49-0x00000000092E0000-0x0000000009403000-memory.dmp

Filesize
1.1MB

Download
memory/1344-22-0x0000000002C50000-0x0000000002D50000-memory.dmp

Filesize
1024KB

Download
memory/1344-53-0x00000000092E0000-0x0000000009403000-memory.dmp

Filesize
1.1MB

Download
memory/1344-35-0x00000000087E0000-0x000000000890B000-memory.dmp

Filesize
1.2MB

Download
memory/1344-32-0x0000000002C50000-0x0000000002D50000-memory.dmp

Filesize
1024KB

Download
memory/1344-24-0x00000000086C0000-0x00000000087DC000-memory.dmp

Filesize
1.1MB

Download
memory/2488-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2488-33-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2488-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2488-23-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/2488-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2488-19-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download
memory/2488-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2488-34-0x00000000002D0000-0x00000000002E4000-memory.dmp

Filesize
80KB

Download
memory/2488-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-5-0x0000000005020000-0x0000000005060000-memory.dmp

Filesize
256KB

Download
memory/2572-6-0x0000000000350000-0x000000000035A000-memory.dmp

Filesize
40KB

Download
memory/2572-1-0x00000000010E0000-0x000000000117E000-memory.dmp

Filesize
632KB

Download
memory/2572-2-0x0000000005020000-0x0000000005060000-memory.dmp

Filesize
256KB

Download
memory/2572-3-0x00000000003A0000-0x00000000003BA000-memory.dmp

Filesize
104KB

Download
memory/2572-4-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2572-0-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2572-8-0x0000000005C90000-0x0000000005CFE000-memory.dmp

Filesize
440KB

Download
memory/2572-7-0x0000000000440000-0x000000000044C000-memory.dmp

Filesize
48KB

Download
memory/2572-25-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2620-37-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2620-43-0x00000000023B0000-0x00000000023F0000-memory.dmp

Filesize
256KB

Download
memory/2620-42-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2620-41-0x00000000023B0000-0x00000000023F0000-memory.dmp

Filesize
256KB

Download
memory/2620-46-0x00000000023B0000-0x00000000023F0000-memory.dmp

Filesize
256KB

Download
memory/2620-30-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2620-47-0x00000000023B0000-0x00000000023F0000-memory.dmp

Filesize
256KB

Download
memory/2620-36-0x00000000023B0000-0x00000000023F0000-memory.dmp

Filesize
256KB

Download
memory/2620-28-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2620-29-0x00000000023B0000-0x00000000023F0000-memory.dmp

Filesize
256KB

Download