formbook | 9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a

Analysis

max time kernel
148s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 13:00

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General

Target

M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2792-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2520-29-0x0000000000080000-0x00000000000AF000-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

Processes:

powershell.exepowershell.exe

pid	Process
3032	powershell.exe
2416	powershell.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
2668	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exeM.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exeraserver.exe

description	pid	Process	procid_target
PID 2136 set thread context of 2792	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	36
PID 2792 set thread context of 1216	2792	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	21
PID 2520 set thread context of 1216	2520	raserver.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

Processes:

cmd.exeM.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exepowershell.exepowershell.exeschtasks.exeraserver.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.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	raserver.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

Processes:

schtasks.exe

pid	Process
1276	schtasks.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exepowershell.exepowershell.exeraserver.exe

pid	Process
2792	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe
2792	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe
3032	powershell.exe
2416	powershell.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe
2520	raserver.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exeraserver.exe

pid	Process
2792	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe
2792	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe
2792	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe
2520	raserver.exe
2520	raserver.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exepowershell.exepowershell.exeraserver.exe

description	pid	Process
Token: SeDebugPrivilege	2792	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe
Token: SeDebugPrivilege	3032	powershell.exe
Token: SeDebugPrivilege	2416	powershell.exe
Token: SeDebugPrivilege	2520	raserver.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exeExplorer.EXEraserver.exe

description	pid	Process	procid_target
PID 2136 wrote to memory of 3032	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	30
PID 2136 wrote to memory of 3032	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	30
PID 2136 wrote to memory of 3032	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	30
PID 2136 wrote to memory of 3032	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	30
PID 2136 wrote to memory of 2416	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	32
PID 2136 wrote to memory of 2416	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	32
PID 2136 wrote to memory of 2416	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	32
PID 2136 wrote to memory of 2416	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	32
PID 2136 wrote to memory of 1276	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	34
PID 2136 wrote to memory of 1276	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	34
PID 2136 wrote to memory of 1276	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	34
PID 2136 wrote to memory of 1276	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	34
PID 2136 wrote to memory of 2792	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	36
PID 2136 wrote to memory of 2792	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	36
PID 2136 wrote to memory of 2792	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	36
PID 2136 wrote to memory of 2792	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	36
PID 2136 wrote to memory of 2792	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	36
PID 2136 wrote to memory of 2792	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	36
PID 2136 wrote to memory of 2792	2136	M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe	36
PID 1216 wrote to memory of 2520	1216	Explorer.EXE	37
PID 1216 wrote to memory of 2520	1216	Explorer.EXE	37
PID 1216 wrote to memory of 2520	1216	Explorer.EXE	37
PID 1216 wrote to memory of 2520	1216	Explorer.EXE	37
PID 2520 wrote to memory of 2668	2520	raserver.exe	38
PID 2520 wrote to memory of 2668	2520	raserver.exe	38
PID 2520 wrote to memory of 2668	2520	raserver.exe	38
PID 2520 wrote to memory of 2668	2520	raserver.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Users\Admin\AppData\Local\Temp\M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe
  "C:\Users\Admin\AppData\Local\Temp\M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2136
- - 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.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3032
- - 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"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2416
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rhhfdZclZpWyrX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE33E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1276
- - C:\Users\Admin\AppData\Local\Temp\M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe
    "C:\Users\Admin\AppData\Local\Temp\M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2792
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:2520
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\M.V GRACE_LIB comp's 2 two PO#_ EPDAs, 17398902, PSB-18384789.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2668

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\tmpE33E.tmp

Filesize
1KB

MD5
02c2dee316bd09326d28a2447294d53a

SHA1
05c078f94e594341ff6c7e35c3d7104c99a31c62

SHA256
1e7ca62445f6a8a474cfb56e04408e9c13854d6f50097f69f095b4ba5442e03b

SHA512
62931a117241f61f56f2189a4679a981ec41a99d5a91def8d0f8d64022b0dd269a0420fc4bddf064b7c56c51742deda08e30701bfe7fd74d0e520a2e5f7fc88a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\NS3B1R5N9GTC7LRTSKS3.temp

Filesize
7KB

MD5
3286203915bb450dddb13bd9a1868c32

SHA1
ea7b38de011a1eef713872794bccfd5ec415322c

SHA256
3177542330db8fccfba1f745d2cc728301dd6668e2f10633ec8a0cbe8213e936

SHA512
34d0364e46d489b12c10f28715d008ebe72177d4e01ca0c2d2cb3f76ed3593653a5da27a6feaf4677b9378fa8f0ad137d2796ca0729259fdba2c2f6c11a5a91e

Download Submit
memory/2136-4-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/2136-25-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2136-0-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/2136-5-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2136-6-0x00000000044A0000-0x000000000451A000-memory.dmp

Filesize
488KB

Download
memory/2136-2-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2136-1-0x0000000000FF0000-0x0000000001098000-memory.dmp

Filesize
672KB

Download
memory/2136-3-0x00000000004F0000-0x0000000000508000-memory.dmp

Filesize
96KB

Download
memory/2520-29-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2520-28-0x0000000000EF0000-0x0000000000F0C000-memory.dmp

Filesize
112KB

Download
memory/2792-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2792-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2792-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2792-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download