formbook | 4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3

General

Target

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
Size

593KB
MD5

7dcab0ea73dd5a9a7455ef7c8a4c0d2a
SHA1

bdc449aaca0a43a93417517310178c99ad91642a
SHA256

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3
SHA512

da4fbd2e58990c6a975c2f1b444d97b0c6cefbd537fcd12b23986b77889cd2a140b3227c9dc267bcfa15c260c9f59c41d059d4d4ee66413ca079582cd8adf5d7
SSDEEP

12288:CSTZZAmKRL8KE9C6wZwedumQCTsE/3vBEHYcr9WW6ivZRfbwscMv6X:1T7T28KE92/dv9/3vixBWW3RV/cMv

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/2344-24-0x0000000000400000-0x000000000042F000-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

2588 powershell.exe
2560 powershell.exe

pid	process
2588	powershell.exe
2560	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe

description	pid	process	target process
PID 1900 set thread context of 2344	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.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:

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exepowershell.exeschtasks.exepowershell.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.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	powershell.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

2928 schtasks.exe

pid	process
2928	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exepowershell.exepowershell.exe

pid	process
1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
2344	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
2588	powershell.exe
2560	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
Token: SeDebugPrivilege	2588	powershell.exe
Token: SeDebugPrivilege	2560	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe

description	pid	process	target process
PID 1900 wrote to memory of 2560	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	powershell.exe
PID 1900 wrote to memory of 2560	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	powershell.exe
PID 1900 wrote to memory of 2560	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	powershell.exe
PID 1900 wrote to memory of 2560	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	powershell.exe
PID 1900 wrote to memory of 2588	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	powershell.exe
PID 1900 wrote to memory of 2588	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	powershell.exe
PID 1900 wrote to memory of 2588	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	powershell.exe
PID 1900 wrote to memory of 2588	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	powershell.exe
PID 1900 wrote to memory of 2928	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	schtasks.exe
PID 1900 wrote to memory of 2928	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	schtasks.exe
PID 1900 wrote to memory of 2928	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	schtasks.exe
PID 1900 wrote to memory of 2928	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	schtasks.exe
PID 1900 wrote to memory of 2344	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
PID 1900 wrote to memory of 2344	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
PID 1900 wrote to memory of 2344	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
PID 1900 wrote to memory of 2344	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
PID 1900 wrote to memory of 2344	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
PID 1900 wrote to memory of 2344	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
PID 1900 wrote to memory of 2344	1900	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe

C:\Users\Admin\AppData\Local\Temp\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
"C:\Users\Admin\AppData\Local\Temp\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900
- 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\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2560
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mSlzubsZb.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2588
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mSlzubsZb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB210.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2928
- C:\Users\Admin\AppData\Local\Temp\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
  "C:\Users\Admin\AppData\Local\Temp\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2344

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB210.tmp

Filesize
1KB

MD5
7c5021d2ff7829a6ce9fd538ca89b371

SHA1
11a197fc79635444c98765a3154a21d413bcf8bb

SHA256
1da6f670f5ef345bcc4e27c1ca5b92ab56148d32d4d5fdc6cd8603bfadf6e59c

SHA512
e29fe695fa9d65786f02a8ed1354d5dc1b8880f62a52c6c534d81a09c2b47998a3140392a3ff819548853a3e59295e4e9110c0e3232e81c5c64037d2baeb27bf

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

Filesize
7KB

MD5
7afcb90c9201d853eec9b61140ff9be6

SHA1
34ffbf88cafbfa4664249a06dc26a93697ce363b

SHA256
8ef82499eb61076f860dd2441d1a5a8fd13e9b5fb794623ed57ec456806c6a7c

SHA512
f55ebceb381ad866b60f19ea91aa1bdb3d16031b8cf8a124ff0d22708a60b4460add4a3bccea5ef20bd1d28fe512219b26aa1b48a776d76a0c72a66056623464

Download Submit
memory/1900-6-0x0000000004BF0000-0x0000000004C6A000-memory.dmp

Filesize
488KB

Download
memory/1900-3-0x00000000004F0000-0x0000000000502000-memory.dmp

Filesize
72KB

Download
memory/1900-4-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/1900-5-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/1900-0-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/1900-2-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/1900-1-0x0000000000FB0000-0x000000000104A000-memory.dmp

Filesize
616KB

Download
memory/1900-25-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2344-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2344-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2344-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads