formbook | acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65

Analysis

max time kernel
146s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04-02-2025 02:59

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General

Target

REVISED DOCUMENT.exe
Size

686KB
MD5

3ce1a7e44b4edafafc9e2ac8b3ab3295
SHA1

f35ea88bdd6cc369a640263690855116adeb3f01
SHA256

acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65
SHA512

319baa767941b2dd181062b89555e10ebbd30e47fa83683db306baafe5edbb6dae8216bd3f57291733a618da724a5b8005d24b02f0d525d4505694704d9593fa
SSDEEP

12288:hRNk5ea1sMXs8c/jH2MgIQFdSlabXulG1rdtf+nyzu3zE/FC/h2pHcQ/Q:h45D5cb2MEFdSDGRDpzszEw

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 2 IoCs

rat

resource	yara_rule
behavioral1/memory/528-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1660-30-0x0000000000080000-0x00000000000AF000-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
2960	powershell.exe
2828	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2804 set thread context of 528	2804	REVISED DOCUMENT.exe	36
PID 528 set thread context of 1196	528	RegSvcs.exe	21
PID 1660 set thread context of 1196	1660	netsh.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	REVISED DOCUMENT.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	netsh.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
2840	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2804	REVISED DOCUMENT.exe
2804	REVISED DOCUMENT.exe
528	RegSvcs.exe
2960	powershell.exe
2828	powershell.exe
528	RegSvcs.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
528	RegSvcs.exe
528	RegSvcs.exe
528	RegSvcs.exe
1660	netsh.exe
1660	netsh.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2804	REVISED DOCUMENT.exe
Token: SeDebugPrivilege	2960	powershell.exe
Token: SeDebugPrivilege	2828	powershell.exe
Token: SeDebugPrivilege	528	RegSvcs.exe
Token: SeDebugPrivilege	1660	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2960	2804	REVISED DOCUMENT.exe	30
PID 2804 wrote to memory of 2960	2804	REVISED DOCUMENT.exe	30
PID 2804 wrote to memory of 2960	2804	REVISED DOCUMENT.exe	30
PID 2804 wrote to memory of 2960	2804	REVISED DOCUMENT.exe	30
PID 2804 wrote to memory of 2828	2804	REVISED DOCUMENT.exe	32
PID 2804 wrote to memory of 2828	2804	REVISED DOCUMENT.exe	32
PID 2804 wrote to memory of 2828	2804	REVISED DOCUMENT.exe	32
PID 2804 wrote to memory of 2828	2804	REVISED DOCUMENT.exe	32
PID 2804 wrote to memory of 2840	2804	REVISED DOCUMENT.exe	33
PID 2804 wrote to memory of 2840	2804	REVISED DOCUMENT.exe	33
PID 2804 wrote to memory of 2840	2804	REVISED DOCUMENT.exe	33
PID 2804 wrote to memory of 2840	2804	REVISED DOCUMENT.exe	33
PID 2804 wrote to memory of 528	2804	REVISED DOCUMENT.exe	36
PID 2804 wrote to memory of 528	2804	REVISED DOCUMENT.exe	36
PID 2804 wrote to memory of 528	2804	REVISED DOCUMENT.exe	36
PID 2804 wrote to memory of 528	2804	REVISED DOCUMENT.exe	36
PID 2804 wrote to memory of 528	2804	REVISED DOCUMENT.exe	36
PID 2804 wrote to memory of 528	2804	REVISED DOCUMENT.exe	36
PID 2804 wrote to memory of 528	2804	REVISED DOCUMENT.exe	36
PID 2804 wrote to memory of 528	2804	REVISED DOCUMENT.exe	36
PID 2804 wrote to memory of 528	2804	REVISED DOCUMENT.exe	36
PID 2804 wrote to memory of 528	2804	REVISED DOCUMENT.exe	36
PID 1196 wrote to memory of 1660	1196	Explorer.EXE	37
PID 1196 wrote to memory of 1660	1196	Explorer.EXE	37
PID 1196 wrote to memory of 1660	1196	Explorer.EXE	37
PID 1196 wrote to memory of 1660	1196	Explorer.EXE	37
PID 1660 wrote to memory of 2968	1660	netsh.exe	38
PID 1660 wrote to memory of 2968	1660	netsh.exe	38
PID 1660 wrote to memory of 2968	1660	netsh.exe	38
PID 1660 wrote to memory of 2968	1660	netsh.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\REVISED DOCUMENT.exe
  "C:\Users\Admin\AppData\Local\Temp\REVISED DOCUMENT.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2804
- - 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 DOCUMENT.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2960
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TQjwUwdCH.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2828
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TQjwUwdCH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp842D.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2840
- - 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:528
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.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:1660
- - 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:2968

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp842D.tmp

Filesize
1KB

MD5
4ddac3f46f8333c6c7a032b42748a9ab

SHA1
64329ab85c243fea996743e5ddaa5eb897e6a396

SHA256
b38b4ddb756f3f1e47f6514a02e9ae140858f1949268c5bc4869ca734fa0e57d

SHA512
689a281bf095c17d1c4c9a8b30c0d0e7c24f00e9fcd840da81c50ceb1e0b90fbcb415216283bd50a5ef3e056baafaff4e2c870c6e880d7e1240ef165c9c24f6a

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

Filesize
7KB

MD5
d30d05d8b5602068c5e1abd6981995f7

SHA1
aa4311874266586f25eac960830bda440b19ea06

SHA256
54dd546deb920322a203f1ac7606b71f6e2dd9bb03e7e2426eb8d6006533f81b

SHA512
440117438fe62c65888064aa5e7df769089a6ffec5a2eb5bebb7370ecdfc2eac1d555cb6e0a837918a53e400305053d5062f7c40126c40d46895f99f454eb239

Download Submit
memory/528-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/528-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/528-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/528-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1660-30-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1660-29-0x0000000001490000-0x00000000014AB000-memory.dmp

Filesize
108KB

Download
memory/2804-1-0x0000000001020000-0x00000000010D2000-memory.dmp

Filesize
712KB

Download
memory/2804-3-0x00000000047B0000-0x0000000004852000-memory.dmp

Filesize
648KB

Download
memory/2804-2-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-7-0x0000000000610000-0x0000000000688000-memory.dmp

Filesize
480KB

Download
memory/2804-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2804-6-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-26-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-5-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2804-4-0x00000000005D0000-0x00000000005EE000-memory.dmp

Filesize
120KB

Download