formbook | 36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac

Analysis

max time kernel
146s
max time network
138s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-01-2025 04:03

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General

Target

invoicepaymentPayNGATERRAX24176.exe
Size

801KB
MD5

dd46446038384fd77e9b50707d3ed26e
SHA1

6b888ea643545bb6cc406c4f460d0d71c0753b32
SHA256

36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac
SHA512

2651b26968f5d92d8e3bf484feefe249b3d606e4cafa1769e355305ba88587cb90b8946254c42c7299cb562011a140710d39879b88b26da7c653c17bcd813e24
SSDEEP

12288:nzSggsixmj5PLgm+++lMaVqskZO2kvvfRZzQPBXZGdygv4kOz3kfgq:nzm4kNNVqsaVkvH0PBXSygBOgg

Score

10^/10

formbook b02a discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b02a

Decoy

nnovate.host

yrvo.shop

obify.party

55665.one

vlisazouasiul.store

arjohbs.shop

mjsccc5716.shop

nfluencer-marketing-86606.bond

atellite-internet-74549.bond

arehouse-inventory-82506.bond

kanzaturf.net

airbypatrickmcguire.net

90880a15.buzz

ancake888.info

hopcroma.store

usinessloanscanada524285.icu

mdjr.world

9kct.xyz

ombrd.finance

luratu.xyz

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2400-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1992-29-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2656	powershell.exe
2536	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1600 set thread context of 2400	1600	invoicepaymentPayNGATERRAX24176.exe	36
PID 2400 set thread context of 1268	2400	RegSvcs.exe	21
PID 1992 set thread context of 1268	1992	raserver.exe	21

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	invoicepaymentPayNGATERRAX24176.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
340	schtasks.exe

Suspicious behavior: EnumeratesProcesses 35 IoCs

pid	Process
1600	invoicepaymentPayNGATERRAX24176.exe
2656	powershell.exe
1600	invoicepaymentPayNGATERRAX24176.exe
1600	invoicepaymentPayNGATERRAX24176.exe
2536	powershell.exe
1600	invoicepaymentPayNGATERRAX24176.exe
1600	invoicepaymentPayNGATERRAX24176.exe
1600	invoicepaymentPayNGATERRAX24176.exe
1600	invoicepaymentPayNGATERRAX24176.exe
2400	RegSvcs.exe
2400	RegSvcs.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe
1992	raserver.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2400	RegSvcs.exe
2400	RegSvcs.exe
2400	RegSvcs.exe
1992	raserver.exe
1992	raserver.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	invoicepaymentPayNGATERRAX24176.exe
Token: SeDebugPrivilege	2656	powershell.exe
Token: SeDebugPrivilege	2536	powershell.exe
Token: SeDebugPrivilege	2400	RegSvcs.exe
Token: SeDebugPrivilege	1992	raserver.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 2656	1600	invoicepaymentPayNGATERRAX24176.exe	30
PID 1600 wrote to memory of 2656	1600	invoicepaymentPayNGATERRAX24176.exe	30
PID 1600 wrote to memory of 2656	1600	invoicepaymentPayNGATERRAX24176.exe	30
PID 1600 wrote to memory of 2656	1600	invoicepaymentPayNGATERRAX24176.exe	30
PID 1600 wrote to memory of 2536	1600	invoicepaymentPayNGATERRAX24176.exe	32
PID 1600 wrote to memory of 2536	1600	invoicepaymentPayNGATERRAX24176.exe	32
PID 1600 wrote to memory of 2536	1600	invoicepaymentPayNGATERRAX24176.exe	32
PID 1600 wrote to memory of 2536	1600	invoicepaymentPayNGATERRAX24176.exe	32
PID 1600 wrote to memory of 340	1600	invoicepaymentPayNGATERRAX24176.exe	34
PID 1600 wrote to memory of 340	1600	invoicepaymentPayNGATERRAX24176.exe	34
PID 1600 wrote to memory of 340	1600	invoicepaymentPayNGATERRAX24176.exe	34
PID 1600 wrote to memory of 340	1600	invoicepaymentPayNGATERRAX24176.exe	34
PID 1600 wrote to memory of 2400	1600	invoicepaymentPayNGATERRAX24176.exe	36
PID 1600 wrote to memory of 2400	1600	invoicepaymentPayNGATERRAX24176.exe	36
PID 1600 wrote to memory of 2400	1600	invoicepaymentPayNGATERRAX24176.exe	36
PID 1600 wrote to memory of 2400	1600	invoicepaymentPayNGATERRAX24176.exe	36
PID 1600 wrote to memory of 2400	1600	invoicepaymentPayNGATERRAX24176.exe	36
PID 1600 wrote to memory of 2400	1600	invoicepaymentPayNGATERRAX24176.exe	36
PID 1600 wrote to memory of 2400	1600	invoicepaymentPayNGATERRAX24176.exe	36
PID 1600 wrote to memory of 2400	1600	invoicepaymentPayNGATERRAX24176.exe	36
PID 1600 wrote to memory of 2400	1600	invoicepaymentPayNGATERRAX24176.exe	36
PID 1600 wrote to memory of 2400	1600	invoicepaymentPayNGATERRAX24176.exe	36
PID 1268 wrote to memory of 1992	1268	Explorer.EXE	37
PID 1268 wrote to memory of 1992	1268	Explorer.EXE	37
PID 1268 wrote to memory of 1992	1268	Explorer.EXE	37
PID 1268 wrote to memory of 1992	1268	Explorer.EXE	37
PID 1992 wrote to memory of 2824	1992	raserver.exe	38
PID 1992 wrote to memory of 2824	1992	raserver.exe	38
PID 1992 wrote to memory of 2824	1992	raserver.exe	38
PID 1992 wrote to memory of 2824	1992	raserver.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Users\Admin\AppData\Local\Temp\invoicepaymentPayNGATERRAX24176.exe
  "C:\Users\Admin\AppData\Local\Temp\invoicepaymentPayNGATERRAX24176.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\invoicepaymentPayNGATERRAX24176.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2656
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WtuAQDhPxPj.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2536
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WtuAQDhPxPj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5409.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:340
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2400
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5409.tmp

Filesize
1KB

MD5
9e3040862fe3cea3993aff75249f926b

SHA1
0bbf7b7c4bad0e910f583ddd4db9571fcaf2b87a

SHA256
168d2e2209ccd82b11ff91ec0a51f2b4295c54d91f41abe8986f428a0843faac

SHA512
361cfe0579b5086c3fe5c7128fbc0eea47bf3a573b45d08ab9d82eb851d3a4a0e615d89c809018462654f69fa9bac3b3ff1a3643487accf32af945932a543a46

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
408af52b45ab6659962c888ba87e19a2

SHA1
7f436b00aed8d8515977240e1b65be038dc08bf7

SHA256
7eb624ba2de209fae0bef4e677e50a125f3f4f66ab0069574eb8a16ed5183b0f

SHA512
962911753b77b0a71eeec1f7f8e05d349bd6cfcd9e603a42fca69a20c4e5ec4b6c9f191aec2ebaad338fbd7668b64e4f40bbd7712cf1300724ff7f241225cd0a

Download Submit
memory/1268-33-0x0000000008010000-0x0000000008145000-memory.dmp

Filesize
1.2MB

Download
memory/1268-27-0x0000000002FB0000-0x00000000030B0000-memory.dmp

Filesize
1024KB

Download
memory/1600-4-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download
memory/1600-2-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/1600-6-0x00000000001D0000-0x0000000000248000-memory.dmp

Filesize
480KB

Download
memory/1600-0-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download
memory/1600-3-0x0000000000560000-0x000000000057E000-memory.dmp

Filesize
120KB

Download
memory/1600-1-0x0000000000270000-0x000000000033E000-memory.dmp

Filesize
824KB

Download
memory/1600-5-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/1600-25-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/1992-28-0x0000000000590000-0x00000000005AC000-memory.dmp

Filesize
112KB

Download
memory/1992-29-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2400-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2400-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2400-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2400-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download