formbook | b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae

General

Target

b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
Size

588KB
MD5

a4fe63b591ffb3b6b68b616b642fa848
SHA1

dabbb3ea462ff52c9ae286bf787bcc2f28ce8c37
SHA256

b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae
SHA512

51ac0a9f46c474fd1abc29b305d5a29bc3317ff1869d0e1b2089d1cf427afec1e5b648db450b00f073ffb3bd468899f9069f591c9827cf959e2f325647eb8af5
SSDEEP

12288:PL0nsDn5N3MTOO8/oLOkJduN3AMVG7zfSH1UsAYHeW0upodH:PwnIMTOxgakDuN3nVgg1zVo

Score

10^/10

formbook dn13 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn13

Decoy

5q53s.top

f9813.top

ysticsmoke.net

ignorysingeysquints.cfd

yncsignature.live

svp-their.xyz

outya.xyz

wlkflwef3sf2wf.top

etterjugfetkaril.cfd

p9eh2s99b5.top

400108iqlnnqi219.top

ynsu-condition.xyz

ndividual-bfiaen.xyz

anceibizamagazine.net

itrussips.live

orkcubefood.xyz

lindsandfurnishings.shop

ajwmid.top

pigramescentfeatous.shop

mbvcv56789.click

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/1184-24-0x0000000000400000-0x000000000042F000-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

2164 powershell.exe
2696 powershell.exe

pid	process
2164	powershell.exe
2696	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe

description	pid	process	target process
PID 1404 set thread context of 1184	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe

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:

b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exepowershell.exepowershell.exeschtasks.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.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

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

2784 schtasks.exe

pid	process
2784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exeb9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exepowershell.exepowershell.exe

pid	process
1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
1184	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
2696	powershell.exe
2164	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
Token: SeDebugPrivilege	2696	powershell.exe
Token: SeDebugPrivilege	2164	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe

description	pid	process	target process
PID 1404 wrote to memory of 2164	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	powershell.exe
PID 1404 wrote to memory of 2164	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	powershell.exe
PID 1404 wrote to memory of 2164	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	powershell.exe
PID 1404 wrote to memory of 2164	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	powershell.exe
PID 1404 wrote to memory of 2696	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	powershell.exe
PID 1404 wrote to memory of 2696	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	powershell.exe
PID 1404 wrote to memory of 2696	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	powershell.exe
PID 1404 wrote to memory of 2696	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	powershell.exe
PID 1404 wrote to memory of 2784	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	schtasks.exe
PID 1404 wrote to memory of 2784	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	schtasks.exe
PID 1404 wrote to memory of 2784	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	schtasks.exe
PID 1404 wrote to memory of 2784	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	schtasks.exe
PID 1404 wrote to memory of 1184	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
PID 1404 wrote to memory of 1184	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
PID 1404 wrote to memory of 1184	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
PID 1404 wrote to memory of 1184	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
PID 1404 wrote to memory of 1184	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
PID 1404 wrote to memory of 1184	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
PID 1404 wrote to memory of 1184	1404	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe

C:\Users\Admin\AppData\Local\Temp\b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
"C:\Users\Admin\AppData\Local\Temp\b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1404
- 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\b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2164
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OTdIRHx.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2696
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OTdIRHx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1777.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2784
- C:\Users\Admin\AppData\Local\Temp\b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
  "C:\Users\Admin\AppData\Local\Temp\b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1184

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\tmp1777.tmp

Filesize
1KB

MD5
435653d91b28ee2f9cfdbee088a25558

SHA1
631ab4a2563b759d7c6ad8503756b4b5fe498fd1

SHA256
b4bdd1fe7633fc586dad80c1cf97d8abc060bc69bd3abb0053f0c2890c409e5e

SHA512
b1ba872aaa903e9d347f79ca15479b822c42f411762f07fc9376702e10b6acea3e7f001034b0b97ad33afd09dce0e5e066728236c6bc565e7e1cfc70e9bfc128

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

Filesize
7KB

MD5
639f369454f039a570b59fe48bd6c812

SHA1
6d6104895fb6a3f2d7c64c6b7ca15d8bcf2a6990

SHA256
c70a3376f0c0102713360d3ea13f01808ab67174ff5d68c8863bfe46fd64f289

SHA512
e37f59396eaf24411e83bce2d58f926dbdd570f12819408b7e0029ba29e3b8c85164769e1111db27301c3022d09592d4407b8c4378769b82642098bdc95da3e3

Download Submit
memory/1184-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1184-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1184-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1184-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1404-3-0x00000000003F0000-0x0000000000402000-memory.dmp

Filesize
72KB

Download
memory/1404-6-0x0000000004DF0000-0x0000000004E6A000-memory.dmp

Filesize
488KB

Download
memory/1404-5-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/1404-4-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/1404-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/1404-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/1404-1-0x0000000001140000-0x00000000011DA000-memory.dmp

Filesize
616KB

Download
memory/1404-25-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads