formbook | 2d59b30ee45a0d50d64a273f99b9e1fc3abc2b5601c7de338899e39456707880

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-01-2025 03:46

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General

Target

Revised documents.exe
Size

741KB
MD5

034884d1de2c2e61a49d403a6673118c
SHA1

4106f0fe2e8504f0f71cc012ecb992b63cb0792b
SHA256

6f706398207b1fd3a00de5f859dc840cf8e100175fdabe260ebb96db5980f03c
SHA512

3a751cde89e771defecd23a1fda44c219df59bca611daebd8be29985071e0e5d5f15f983306afc9b468c92e2bbb96c4b6438ae23fbe896927cf47c29c72037b7
SSDEEP

12288:2q7kGLFFgETr/iTTbB6xddbQT+wwOXgMSQejYO6YmDDI01jnIltQLZEK:l3rKGHbQlSQ/GmDt1jnRj

Score

10^/10

formbook a03d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a03d

Decoy

nfluencer-marketing-13524.bond

cebepu.info

lphatechblog.xyz

haoyun.website

itiz.xyz

orld-visa-center.online

si.art

alata.xyz

mmarketing.xyz

elnqdjc.shop

ensentoto.cloud

voyagu.info

onvert.today

1fuli9902.shop

otelhafnia.info

rumpchiefofstaff.store

urvivalflashlights.shop

0090.pizza

ings-hu-13.today

oliticalpatriot.net

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/3068-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3068-29-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2316-32-0x00000000000B0000-0x00000000000DF000-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
2880	powershell.exe
2868	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2420 set thread context of 3068	2420	Revised documents.exe	36
PID 3068 set thread context of 1212	3068	RegSvcs.exe	21
PID 3068 set thread context of 1212	3068	RegSvcs.exe	21
PID 2316 set thread context of 1212	2316	cscript.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Revised documents.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	cscript.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
2872	schtasks.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2420	Revised documents.exe
2420	Revised documents.exe
2420	Revised documents.exe
3068	RegSvcs.exe
3068	RegSvcs.exe
2868	powershell.exe
2880	powershell.exe
3068	RegSvcs.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3068	RegSvcs.exe
3068	RegSvcs.exe
3068	RegSvcs.exe
3068	RegSvcs.exe
2316	cscript.exe
2316	cscript.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	Revised documents.exe
Token: SeDebugPrivilege	3068	RegSvcs.exe
Token: SeDebugPrivilege	2868	powershell.exe
Token: SeDebugPrivilege	2880	powershell.exe
Token: SeDebugPrivilege	2316	cscript.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2880	2420	Revised documents.exe	30
PID 2420 wrote to memory of 2880	2420	Revised documents.exe	30
PID 2420 wrote to memory of 2880	2420	Revised documents.exe	30
PID 2420 wrote to memory of 2880	2420	Revised documents.exe	30
PID 2420 wrote to memory of 2868	2420	Revised documents.exe	32
PID 2420 wrote to memory of 2868	2420	Revised documents.exe	32
PID 2420 wrote to memory of 2868	2420	Revised documents.exe	32
PID 2420 wrote to memory of 2868	2420	Revised documents.exe	32
PID 2420 wrote to memory of 2872	2420	Revised documents.exe	33
PID 2420 wrote to memory of 2872	2420	Revised documents.exe	33
PID 2420 wrote to memory of 2872	2420	Revised documents.exe	33
PID 2420 wrote to memory of 2872	2420	Revised documents.exe	33
PID 2420 wrote to memory of 3068	2420	Revised documents.exe	36
PID 2420 wrote to memory of 3068	2420	Revised documents.exe	36
PID 2420 wrote to memory of 3068	2420	Revised documents.exe	36
PID 2420 wrote to memory of 3068	2420	Revised documents.exe	36
PID 2420 wrote to memory of 3068	2420	Revised documents.exe	36
PID 2420 wrote to memory of 3068	2420	Revised documents.exe	36
PID 2420 wrote to memory of 3068	2420	Revised documents.exe	36
PID 2420 wrote to memory of 3068	2420	Revised documents.exe	36
PID 2420 wrote to memory of 3068	2420	Revised documents.exe	36
PID 2420 wrote to memory of 3068	2420	Revised documents.exe	36
PID 1212 wrote to memory of 2316	1212	Explorer.EXE	37
PID 1212 wrote to memory of 2316	1212	Explorer.EXE	37
PID 1212 wrote to memory of 2316	1212	Explorer.EXE	37
PID 1212 wrote to memory of 2316	1212	Explorer.EXE	37
PID 2316 wrote to memory of 1676	2316	cscript.exe	38
PID 2316 wrote to memory of 1676	2316	cscript.exe	38
PID 2316 wrote to memory of 1676	2316	cscript.exe	38
PID 2316 wrote to memory of 1676	2316	cscript.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\Revised documents.exe
  "C:\Users\Admin\AppData\Local\Temp\Revised documents.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - 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\Revised documents.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2880
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fmIowyKo.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2868
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fmIowyKo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp45E6.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2872
- - 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:3068
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.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:2316
- - 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:1676

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\tmp45E6.tmp

Filesize
1KB

MD5
685ffb28411e1b1ff90427856c6dc288

SHA1
5abaa144cf42dc1399c36232bf10f44d82007636

SHA256
7b67e4ebe8bffaaa5ee20e43144a42169d06c997ccec67f9524d87939e37ae91

SHA512
e94f431bff2c6ae2b6a8ea0ed8ce8eaf8a5be44aeb3eb407ef9e2f518e772f2779f9ab5d8cea7aa46278ccdef65409b00bb66238f8af86c79bfb05e65b04ae80

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\NPSLB11KDNXVLC3Q2B2H.temp

Filesize
7KB

MD5
7e2fd18c6b777476b3c7b70ee9563089

SHA1
0a61fc773fc9455522e088e9577e64281961b8ff

SHA256
1013cb6e30e7783e63bd239bfaea72e5bb7011fcbd732eef080f5bc4766b0897

SHA512
16e6ec9d4f3d2f57eeed81aae69a34b504630129d797c2548f99672adca6245ca73f5036a033509d82da1530d7cad493411f30312d4fb97bc3e735c4ed02a04a

Download Submit
memory/1212-30-0x0000000005350000-0x000000000546D000-memory.dmp

Filesize
1.1MB

Download
memory/1212-28-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2316-32-0x00000000000B0000-0x00000000000DF000-memory.dmp

Filesize
188KB

Download
memory/2316-31-0x0000000000990000-0x00000000009B2000-memory.dmp

Filesize
136KB

Download
memory/2420-5-0x000000007436E000-0x000000007436F000-memory.dmp

Filesize
4KB

Download
memory/2420-4-0x0000000000D60000-0x0000000000D7E000-memory.dmp

Filesize
120KB

Download
memory/2420-6-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2420-0-0x000000007436E000-0x000000007436F000-memory.dmp

Filesize
4KB

Download
memory/2420-1-0x0000000000F10000-0x0000000000FCE000-memory.dmp

Filesize
760KB

Download
memory/2420-2-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2420-3-0x0000000004C00000-0x0000000004CB2000-memory.dmp

Filesize
712KB

Download
memory/2420-7-0x00000000004F0000-0x0000000000568000-memory.dmp

Filesize
480KB

Download
memory/2420-26-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3068-29-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3068-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3068-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3068-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download