formbook | 19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368

Analysis

max time kernel
146s
max time network
132s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 03:35

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General

Target

19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe
Size

675KB
MD5

d3a2936e355fc5b62c309d80aa65e9b4
SHA1

d7bafe72a3a8a9e06901155cdbf020d98f2535d7
SHA256

19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368
SHA512

01946f702c5af9696444a4c5d1db50390a53b2c0d849acb15c6079db32c3d7834492b357554d0daaab233c7e5024e452ecf6262bd23015558c0fc55abd81f116
SSDEEP

12288:BXcTTpuOZhzNA50jBIiIe/S+wi+2n7nw17jIBd5a:BcEsdmGI7eK+5+2nmjI4

Score

10^/10

formbook a01d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a01d

Decoy

eniorshousing05.shop

rywisevas.biz

4726.pizza

itchen-design-42093.bond

3456.tech

4825.plus

nlinecraps.xyz

itamins-52836.bond

nfluencer-marketing-40442.bond

nline-advertising-58573.bond

rautogroups.net

limbtrip.net

oftware-download-14501.bond

nline-advertising-66733.bond

erity.xyz

xknrksi.icu

x-ist.club

yber-security-26409.bond

oincatch.xyz

onitoring-devices-34077.bond

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/2604-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2660-28-0x0000000000080000-0x00000000000AF000-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
2104	powershell.exe
1860	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2420 set thread context of 2604	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	36
PID 2604 set thread context of 1216	2604	RegSvcs.exe	21
PID 2660 set thread context of 1216	2660	control.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	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.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	control.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
2148	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe
2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe
2604	RegSvcs.exe
1860	powershell.exe
2104	powershell.exe
2604	RegSvcs.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe
2660	control.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2604	RegSvcs.exe
2604	RegSvcs.exe
2604	RegSvcs.exe
2660	control.exe
2660	control.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe
Token: SeDebugPrivilege	1860	powershell.exe
Token: SeDebugPrivilege	2604	RegSvcs.exe
Token: SeDebugPrivilege	2104	powershell.exe
Token: SeDebugPrivilege	2660	control.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2104	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	30
PID 2420 wrote to memory of 2104	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	30
PID 2420 wrote to memory of 2104	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	30
PID 2420 wrote to memory of 2104	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	30
PID 2420 wrote to memory of 1860	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	32
PID 2420 wrote to memory of 1860	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	32
PID 2420 wrote to memory of 1860	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	32
PID 2420 wrote to memory of 1860	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	32
PID 2420 wrote to memory of 2148	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	34
PID 2420 wrote to memory of 2148	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	34
PID 2420 wrote to memory of 2148	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	34
PID 2420 wrote to memory of 2148	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	34
PID 2420 wrote to memory of 2604	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	36
PID 2420 wrote to memory of 2604	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	36
PID 2420 wrote to memory of 2604	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	36
PID 2420 wrote to memory of 2604	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	36
PID 2420 wrote to memory of 2604	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	36
PID 2420 wrote to memory of 2604	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	36
PID 2420 wrote to memory of 2604	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	36
PID 2420 wrote to memory of 2604	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	36
PID 2420 wrote to memory of 2604	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	36
PID 2420 wrote to memory of 2604	2420	19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe	36
PID 1216 wrote to memory of 2660	1216	Explorer.EXE	37
PID 1216 wrote to memory of 2660	1216	Explorer.EXE	37
PID 1216 wrote to memory of 2660	1216	Explorer.EXE	37
PID 1216 wrote to memory of 2660	1216	Explorer.EXE	37
PID 2660 wrote to memory of 2516	2660	control.exe	38
PID 2660 wrote to memory of 2516	2660	control.exe	38
PID 2660 wrote to memory of 2516	2660	control.exe	38
PID 2660 wrote to memory of 2516	2660	control.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Users\Admin\AppData\Local\Temp\19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe
  "C:\Users\Admin\AppData\Local\Temp\19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2420
- - 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\19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2104
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rBchflGYc.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1860
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rBchflGYc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDB9F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2148
- - 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:2604
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:2660
- - 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:2516

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\tmpDB9F.tmp

Filesize
1KB

MD5
bce98c0f8841229a58998e8229f730b5

SHA1
dd43b944c4c991f145eee0891f27b519465b8425

SHA256
efe8571f311df661256fd281231568c2d4f6445dbe012952336db59cf3b31915

SHA512
337bb467c6ba48bbaf5cfb5ab678ccb4777f5ccdc2e23aeae9390370a1e9f2479602a66654d3541dfba536130d4f48ed29a39e63e3bf3111bb8421a76d5c6005

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

Filesize
7KB

MD5
9bdc58c7c53c95c022f60925783fd44d

SHA1
038610488753fa41f18b659b3ef032fe8de9cbdf

SHA256
dead1cd8a750567b84e6bbc586d8e33848cc1e114c12afcbdc6032ec665342fd

SHA512
56a69edaaf05c0b0f0472a50552d57ddf9d60060bb9d5867e05c3c855141dbbcab8e28ab29a2fc47a2171a5c809073f665f2b35eac92129360d228349ffa1499

Download Submit
memory/1216-33-0x0000000004F00000-0x0000000005062000-memory.dmp

Filesize
1.4MB

Download
memory/2420-4-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/2420-25-0x0000000074E00000-0x00000000754EE000-memory.dmp

Filesize
6.9MB

Download
memory/2420-5-0x0000000074E00000-0x00000000754EE000-memory.dmp

Filesize
6.9MB

Download
memory/2420-6-0x0000000004EA0000-0x0000000004F1A000-memory.dmp

Filesize
488KB

Download
memory/2420-3-0x0000000000600000-0x000000000061E000-memory.dmp

Filesize
120KB

Download
memory/2420-2-0x0000000074E00000-0x00000000754EE000-memory.dmp

Filesize
6.9MB

Download
memory/2420-1-0x0000000000350000-0x00000000003FE000-memory.dmp

Filesize
696KB

Download
memory/2420-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/2604-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2604-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2604-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2660-27-0x0000000000C80000-0x0000000000C9F000-memory.dmp

Filesize
124KB

Download
memory/2660-28-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download