formbook | bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b

Analysis

max time kernel
146s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-01-2025 14:24

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General

Target

Invoice and packing list.exe
Size

836KB
MD5

735a274389af85c4b4f6ccd684b1b30a
SHA1

2ae6619febb0c9f4d318daa9f28172c2ed9ed4da
SHA256

bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b
SHA512

959bd09b752128ae08262bc7803b857099e3727f025f380a918f5b46ac64384180224ef40cc086c795f54dbb8621798b3ba95362805bccbc634800fc626bf14a
SSDEEP

24576:C8yNK1t4NK1tOqLB94uH/Stkd3uRStXvfFQ:Rhz9fvj

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/2456-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1232-29-0x0000000000080000-0x00000000000AF000-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
2916	powershell.exe
2604	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2684 set thread context of 2456	2684	Invoice and packing list.exe	37
PID 2456 set thread context of 1124	2456	MSBuild.exe	20
PID 1232 set thread context of 1124	1232	netsh.exe	20

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	Invoice and packing list.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
2712	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2684	Invoice and packing list.exe
2684	Invoice and packing list.exe
2456	MSBuild.exe
2456	MSBuild.exe
2604	powershell.exe
2916	powershell.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe
1232	netsh.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2456	MSBuild.exe
2456	MSBuild.exe
2456	MSBuild.exe
1232	netsh.exe
1232	netsh.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2684	Invoice and packing list.exe
Token: SeDebugPrivilege	2456	MSBuild.exe
Token: SeDebugPrivilege	2604	powershell.exe
Token: SeDebugPrivilege	2916	powershell.exe
Token: SeDebugPrivilege	1232	netsh.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2916	2684	Invoice and packing list.exe	31
PID 2684 wrote to memory of 2916	2684	Invoice and packing list.exe	31
PID 2684 wrote to memory of 2916	2684	Invoice and packing list.exe	31
PID 2684 wrote to memory of 2916	2684	Invoice and packing list.exe	31
PID 2684 wrote to memory of 2604	2684	Invoice and packing list.exe	33
PID 2684 wrote to memory of 2604	2684	Invoice and packing list.exe	33
PID 2684 wrote to memory of 2604	2684	Invoice and packing list.exe	33
PID 2684 wrote to memory of 2604	2684	Invoice and packing list.exe	33
PID 2684 wrote to memory of 2712	2684	Invoice and packing list.exe	35
PID 2684 wrote to memory of 2712	2684	Invoice and packing list.exe	35
PID 2684 wrote to memory of 2712	2684	Invoice and packing list.exe	35
PID 2684 wrote to memory of 2712	2684	Invoice and packing list.exe	35
PID 2684 wrote to memory of 2456	2684	Invoice and packing list.exe	37
PID 2684 wrote to memory of 2456	2684	Invoice and packing list.exe	37
PID 2684 wrote to memory of 2456	2684	Invoice and packing list.exe	37
PID 2684 wrote to memory of 2456	2684	Invoice and packing list.exe	37
PID 2684 wrote to memory of 2456	2684	Invoice and packing list.exe	37
PID 2684 wrote to memory of 2456	2684	Invoice and packing list.exe	37
PID 2684 wrote to memory of 2456	2684	Invoice and packing list.exe	37
PID 1124 wrote to memory of 1232	1124	Explorer.EXE	38
PID 1124 wrote to memory of 1232	1124	Explorer.EXE	38
PID 1124 wrote to memory of 1232	1124	Explorer.EXE	38
PID 1124 wrote to memory of 1232	1124	Explorer.EXE	38
PID 1232 wrote to memory of 2900	1232	netsh.exe	39
PID 1232 wrote to memory of 2900	1232	netsh.exe	39
PID 1232 wrote to memory of 2900	1232	netsh.exe	39
PID 1232 wrote to memory of 2900	1232	netsh.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Users\Admin\AppData\Local\Temp\Invoice and packing list.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice and packing list.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2684
- - 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\Invoice and packing list.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2916
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\utlAHqvw.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2604
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\utlAHqvw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2C6D.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2712
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2456
- 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:1232
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2900

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\tmp2C6D.tmp

Filesize
1KB

MD5
ae036474205564db7c6143c3b2ad1cc8

SHA1
c2d8473e14fdeb883ae8e68ed278404848232540

SHA256
914c89cf9a4eab8aa9e3125c66c4c9d695d0b62947985101308ad2e3078e1f04

SHA512
a887a8b9fd61252fb89abd04198b7f1b8ca885fd4df70938c7b6278fbed1704e2267d7d7c79353e1381c1e95137b060eaff68a354dff008b02e9276ec9610d21

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\7HNI9E4JNSJXAQ7B40X3.temp

Filesize
7KB

MD5
80d23e7883f03eb0157386be348e4a8b

SHA1
b830f2c8937d3f07aa79c1e56645675d60440786

SHA256
f58747efc6cb2ba36d1b4b72a2a853592456d81c849dcd9fddaa75fcf1b92972

SHA512
02428d2e739da1950cfede90468c5364df9986bcd757cc45e3a78550f84d2ee302fefad1b80fd1cda58d67341ffc372e0dfbb75016a6103095c6ae04f69458b0

Download Submit
memory/1232-29-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1232-28-0x0000000000930000-0x000000000094B000-memory.dmp

Filesize
108KB

Download
memory/2456-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2456-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2456-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2456-23-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2684-5-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/2684-6-0x00000000011A0000-0x000000000121A000-memory.dmp

Filesize
488KB

Download
memory/2684-4-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/2684-3-0x0000000000970000-0x000000000098A000-memory.dmp

Filesize
104KB

Download
memory/2684-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/2684-25-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/2684-2-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/2684-1-0x0000000001230000-0x0000000001308000-memory.dmp

Filesize
864KB

Download