formbook | 9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 13:10

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General

Target

M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe
Size

648KB
MD5

23c82ab652e622a3b359585df5588715
SHA1

d5a7ee9c740354cd485b9660dfeed4090086290d
SHA256

9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a
SHA512

6cba277c64f2464b2389e7ebbbf9d8ee76e3094b9731824a622fd25eab02e00fdf31251798650d03680daac9c57a0520b592e2a67ca95b56dcbab31b5d569fce
SSDEEP

12288:vIR4R52J+XtsZVtEppdfqnMLpJgSJCCsj8tYRHG2EnMXvxtZsIu6WIR:vIeezjaWop5JCAKm2su1shI

Score

10^/10

formbook bs84 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bs84

Decoy

ehuatang.quest

mart-healthcare.solutions

arehouse-inventory-59593.bond

rumpjokes.net

oonlightshadow.store

odernoob.website

sdmedia.net

0k21l6z.xyz

kwovenart.shop

chvb.bid

06ks28.buzz

grexvc.online

unnycdn02.shop

ettingitgonejunk.net

lubmango.store

ustjump.xyz

ofiveuss.store

aahasti-inter5.rest

etclcg.business

ai365.xyz

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2576-24-0x0000000000400000-0x000000000042F000-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
572	powershell.exe
2660	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2848 set thread context of 2576	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	39

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 4 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	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	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.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
2680	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe
2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe
2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe
2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe
2576	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe
2660	powershell.exe
572	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe
Token: SeDebugPrivilege	2660	powershell.exe
Token: SeDebugPrivilege	572	powershell.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 572	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	31
PID 2848 wrote to memory of 572	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	31
PID 2848 wrote to memory of 572	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	31
PID 2848 wrote to memory of 572	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	31
PID 2848 wrote to memory of 2660	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	33
PID 2848 wrote to memory of 2660	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	33
PID 2848 wrote to memory of 2660	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	33
PID 2848 wrote to memory of 2660	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	33
PID 2848 wrote to memory of 2680	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	35
PID 2848 wrote to memory of 2680	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	35
PID 2848 wrote to memory of 2680	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	35
PID 2848 wrote to memory of 2680	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	35
PID 2848 wrote to memory of 2144	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	37
PID 2848 wrote to memory of 2144	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	37
PID 2848 wrote to memory of 2144	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	37
PID 2848 wrote to memory of 2144	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	37
PID 2848 wrote to memory of 2864	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	38
PID 2848 wrote to memory of 2864	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	38
PID 2848 wrote to memory of 2864	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	38
PID 2848 wrote to memory of 2864	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	38
PID 2848 wrote to memory of 2576	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	39
PID 2848 wrote to memory of 2576	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	39
PID 2848 wrote to memory of 2576	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	39
PID 2848 wrote to memory of 2576	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	39
PID 2848 wrote to memory of 2576	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	39
PID 2848 wrote to memory of 2576	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	39
PID 2848 wrote to memory of 2576	2848	M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe	39

C:\Users\Admin\AppData\Local\Temp\M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe
"C:\Users\Admin\AppData\Local\Temp\M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2848
- 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\M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:572
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rhhfdZclZpWyrX.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2660
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rhhfdZclZpWyrX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp13DE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2680
- C:\Users\Admin\AppData\Local\Temp\M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe
  "C:\Users\Admin\AppData\Local\Temp\M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe"
  2⤵
  PID:2144
- C:\Users\Admin\AppData\Local\Temp\M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe
  "C:\Users\Admin\AppData\Local\Temp\M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe"
  2⤵
  PID:2864
- C:\Users\Admin\AppData\Local\Temp\M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe
  "C:\Users\Admin\AppData\Local\Temp\M.VGRACE_LIBcomps2twoPO_EPDAs17398902PSB-18384789.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2576

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\tmp13DE.tmp

Filesize
1KB

MD5
02c2dee316bd09326d28a2447294d53a

SHA1
05c078f94e594341ff6c7e35c3d7104c99a31c62

SHA256
1e7ca62445f6a8a474cfb56e04408e9c13854d6f50097f69f095b4ba5442e03b

SHA512
62931a117241f61f56f2189a4679a981ec41a99d5a91def8d0f8d64022b0dd269a0420fc4bddf064b7c56c51742deda08e30701bfe7fd74d0e520a2e5f7fc88a

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

Filesize
7KB

MD5
22ff5be6821bf94e4fdc0032824e5e6d

SHA1
293c11f34a969c0cb425118d9fdafd63e30a707b

SHA256
26ecc035f35cc5db7d0bbe069f39db652dac4ed7ca6178530fec72caeb18df4f

SHA512
c3dd557e212ffe5a30eaaade9df913f5c3d87b20b8e6cce02a406c0f0d1f16d8fa03afc74475d1bf7917a395536df7c413b4f12e96ea9d908a5b6e68f4e3fdd0

Download Submit
memory/2576-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2576-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2576-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2848-3-0x0000000000460000-0x0000000000478000-memory.dmp

Filesize
96KB

Download
memory/2848-6-0x00000000051E0000-0x000000000525A000-memory.dmp

Filesize
488KB

Download
memory/2848-5-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-4-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2848-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2848-2-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-1-0x0000000000220000-0x00000000002C8000-memory.dmp

Filesize
672KB

Download
memory/2848-25-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download