formbook | f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166

General

Target

f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe
Size

717KB
MD5

bcd3ac711cdf56e6e03fe256665a0807
SHA1

d325f7f6f59f864e8018bf0ea5151f024362458e
SHA256

f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166
SHA512

45d04f2e2b5aa48e18d9e3c6fd2ff14d7454c4a1bfb53afa91df201fba4417a28ba11a7533f703bc8ee95d2f2d6684881a2705772fc4af836a7c8ce4468c7779
SSDEEP

12288:uRXiB7TNR10CeIv1rtifquSPjeO/8NjwWqz8fBzKk3Wwmo/4Nt/R709qJGfyi8i5:uRXi5JX0Qv1roiF6wWMO94S/w/uobO81

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/2852-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

Processes:

powershell.exe

pid	Process
2856	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe

description	pid	Process	procid_target
PID 2404 set thread context of 2852	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe	35

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 3 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:

f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exepowershell.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.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
2876	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exef52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exepowershell.exe

pid	Process
2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe
2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe
2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe
2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe
2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe
2852	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe
2856	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe
Token: SeDebugPrivilege	2856	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe

description	pid	Process	procid_target
PID 2404 wrote to memory of 2856	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe	31
PID 2404 wrote to memory of 2856	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe	31
PID 2404 wrote to memory of 2856	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe	31
PID 2404 wrote to memory of 2856	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe	31
PID 2404 wrote to memory of 2876	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe	32
PID 2404 wrote to memory of 2876	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe	32
PID 2404 wrote to memory of 2876	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe	32
PID 2404 wrote to memory of 2876	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe	32
PID 2404 wrote to memory of 2852	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe	35
PID 2404 wrote to memory of 2852	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe	35
PID 2404 wrote to memory of 2852	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe	35
PID 2404 wrote to memory of 2852	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe	35
PID 2404 wrote to memory of 2852	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe	35
PID 2404 wrote to memory of 2852	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe	35
PID 2404 wrote to memory of 2852	2404	f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe	35

C:\Users\Admin\AppData\Local\Temp\f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe
"C:\Users\Admin\AppData\Local\Temp\f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aieWTYjzzCaqo.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2856
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aieWTYjzzCaqo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE37C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2876
- C:\Users\Admin\AppData\Local\Temp\f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe
  "C:\Users\Admin\AppData\Local\Temp\f52a93f8fb6a1b20bd591f6bf9f7d68acfc0e8dd6ea5413faf3619017a3b8166.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2852

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\tmpE37C.tmp

Filesize
1KB

MD5
f5d63d5e9512215c62ac4b3fb28b910c

SHA1
b75ef32e3d650e7394e6cdc049a3941c27b73d56

SHA256
e59da5bf79ec89480a6bc2f2823a13581569a4c80600928cf1b7c1f1bd62c44f

SHA512
7126c7749edce122c47595ea965c9b50c83a651948f0616e47c0e3c44241da4768709cad194184ad4cf0d708a5c763a5c570c7f6ba5b2842e13112dd42b5f0f2

Download Submit
memory/2404-6-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2404-2-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2404-4-0x00000000004D0000-0x00000000004EE000-memory.dmp

Filesize
120KB

Download
memory/2404-3-0x00000000049F0000-0x0000000004A88000-memory.dmp

Filesize
608KB

Download
memory/2404-5-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/2404-0-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/2404-7-0x0000000000370000-0x00000000003E6000-memory.dmp

Filesize
472KB

Download
memory/2404-1-0x00000000010E0000-0x000000000119A000-memory.dmp

Filesize
744KB

Download
memory/2404-21-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2852-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2852-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2852-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2852-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads