formbook | 9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a

General

Target

9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.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

Processes:

resource	yara_rule
behavioral1/memory/2704-24-0x0000000000400000-0x000000000042F000-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

Processes:

powershell.exepowershell.exe

pid	Process
2080	powershell.exe
2836	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe

description	pid	Process	procid_target
PID 620 set thread context of 2704	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	37

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

Processes:

powershell.exepowershell.exeschtasks.exe9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe

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	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.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
2944	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exepowershell.exepowershell.exe

pid	Process
2704	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe
2080	powershell.exe
2836	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2080	powershell.exe
Token: SeDebugPrivilege	2836	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe

description	pid	Process	procid_target
PID 620 wrote to memory of 2080	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	31
PID 620 wrote to memory of 2080	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	31
PID 620 wrote to memory of 2080	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	31
PID 620 wrote to memory of 2080	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	31
PID 620 wrote to memory of 2836	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	33
PID 620 wrote to memory of 2836	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	33
PID 620 wrote to memory of 2836	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	33
PID 620 wrote to memory of 2836	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	33
PID 620 wrote to memory of 2944	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	34
PID 620 wrote to memory of 2944	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	34
PID 620 wrote to memory of 2944	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	34
PID 620 wrote to memory of 2944	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	34
PID 620 wrote to memory of 2704	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	37
PID 620 wrote to memory of 2704	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	37
PID 620 wrote to memory of 2704	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	37
PID 620 wrote to memory of 2704	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	37
PID 620 wrote to memory of 2704	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	37
PID 620 wrote to memory of 2704	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	37
PID 620 wrote to memory of 2704	620	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	37

C:\Users\Admin\AppData\Local\Temp\9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe
"C:\Users\Admin\AppData\Local\Temp\9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:620
- 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\9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2080
- 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:2836
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rhhfdZclZpWyrX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE9B3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2944
- C:\Users\Admin\AppData\Local\Temp\9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe
  "C:\Users\Admin\AppData\Local\Temp\9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE9B3.tmp

Filesize
1KB

MD5
436a532068c29672406a4f9f5b30eb8f

SHA1
e30ab20c3d055d965ea69a3a693114da68051aa2

SHA256
297cea1da01bdb13985046612675078ef9b2aaf09d7f481dbc18a15afc34011c

SHA512
b121df0e702de7cdaeff5df7ca0535ae269d2e1cc982d4c7d0f651e0972bb23c33f43d6c46a159f0066c33123d38b722c38365c7fc015ce52955f2b2984a7650

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

Filesize
7KB

MD5
12150421285e33be114d3cdb8bc83fbb

SHA1
8e448b27a655cc8c7a4f8e37fb299b61cf2d4913

SHA256
b0370c06cb1203d02bd2abc322723d35f0d039f666aeb3d46c86e69385372115

SHA512
074ac6f994a0251e67425aa01de898a209e94a6dd16fa66e51ef1176d58af7e3df552ceeb7059bc6bd01dc1d86ef69591e3681f458ea305a690c3478abd11f90

Download Submit
memory/620-6-0x00000000053F0000-0x000000000546A000-memory.dmp

Filesize
488KB

Download
memory/620-3-0x0000000000570000-0x0000000000588000-memory.dmp

Filesize
96KB

Download
memory/620-4-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/620-5-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/620-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/620-2-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/620-1-0x0000000000170000-0x0000000000218000-memory.dmp

Filesize
672KB

Download
memory/620-25-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/2704-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads