formbook | c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187

General

Target

c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
Size

633KB
MD5

8dd4adce71cfa1cd8d33eccf4da34043
SHA1

2da9f1662d721ee5dd32273b45608078b930ad35
SHA256

c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187
SHA512

35140a18504b50d0119aa67e01dd3db097a24512e1567580ac8640f9fcf2b908eed8374a8b6476bab6ee9170e2fc7a1a2d2d29de3aadf3d16754917d1e365779
SSDEEP

12288:PXm0LA8PMyhx7WUh0Mzgn1I9CYeXRU9/YZl/ycoInCRngGo315IeypRxDxD0:PA877WU3En18CYeXq1KL4nv615Ij

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

resource	yara_rule
behavioral1/memory/1508-24-0x0000000000400000-0x000000000042F000-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
2672	powershell.exe
2580	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 880 set thread context of 1508	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	36

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	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.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

pid	Process
2568	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
1508	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
2672	powershell.exe
2580	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
Token: SeDebugPrivilege	2672	powershell.exe
Token: SeDebugPrivilege	2580	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 2672	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	30
PID 880 wrote to memory of 2672	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	30
PID 880 wrote to memory of 2672	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	30
PID 880 wrote to memory of 2672	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	30
PID 880 wrote to memory of 2580	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	32
PID 880 wrote to memory of 2580	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	32
PID 880 wrote to memory of 2580	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	32
PID 880 wrote to memory of 2580	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	32
PID 880 wrote to memory of 2568	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	34
PID 880 wrote to memory of 2568	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	34
PID 880 wrote to memory of 2568	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	34
PID 880 wrote to memory of 2568	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	34
PID 880 wrote to memory of 1508	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	36
PID 880 wrote to memory of 1508	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	36
PID 880 wrote to memory of 1508	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	36
PID 880 wrote to memory of 1508	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	36
PID 880 wrote to memory of 1508	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	36
PID 880 wrote to memory of 1508	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	36
PID 880 wrote to memory of 1508	880	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	36

C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
"C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:880
- 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\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2672
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mtDSkHtnsz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2580
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mtDSkHtnsz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp94D0.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2568
- C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
  "C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1508

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\tmp94D0.tmp

Filesize
1KB

MD5
4a6484fc24c228b9133f45e4f65e6b77

SHA1
ac401db7e8de33fbc65517c31220fac775a54a54

SHA256
29e642f0cda1798657f58a36ce666284f42b9e51fe97c9bdebc5dea001fc199e

SHA512
5136a962e99b7cd91220bc32f282bc6e82d91869994cd42c4d184148231ec94d83c97fac28ef4d26c39cbf9a58ba2a04170591924e9f40bef389159c77e01523

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

Filesize
7KB

MD5
fbe1e85555ee44609e8701e4e48b51ef

SHA1
5d1616dc1dd12636a41e9d855f51899a76b1cc73

SHA256
f40fdad460f27f7514dab4ced4831e9997c623660e0b61d37fe7d29eafa253f2

SHA512
241e417d50164d3fc3e9e9b62d5947ec81a3eaba438ac86aedd655524e9193a4dcf840e81e91b2d582f1278452e06757e1d9e204d013ed8e6fa132253eaa488f

Download Submit
memory/880-6-0x0000000004CE0000-0x0000000004D5A000-memory.dmp

Filesize
488KB

Download
memory/880-3-0x0000000000350000-0x0000000000362000-memory.dmp

Filesize
72KB

Download
memory/880-4-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/880-5-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/880-0-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/880-2-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/880-1-0x0000000000C20000-0x0000000000CC4000-memory.dmp

Filesize
656KB

Download
memory/880-25-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/1508-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1508-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1508-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1508-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads