formbook | ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a

General

Target

ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe
Size

627KB
MD5

ef494e2d8600338e6c4abb514a6f2fdb
SHA1

8864364fb585590e5cddc1356d44ce1ba731dbff
SHA256

ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a
SHA512

b8fb64d569e1066c794567641ad28052a3684358f9faf14e393406057811f0654670687a2e702e67dae6ed8cb4000c5c16a8e42af940c9de2b9d33adafd1ce1e
SSDEEP

12288:j0R/Uv8Ua4u1oV2KCe/bldkNzOzmXYu5dq1TEpT:j0R8EUa41FMkzEdq1Ip

Score

10^/10

formbook h209 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

h209

Decoy

sbtstuff.site

omlyes.com

movershifting.com

gearballer.com

oketoto.pro

myringleader.com

lrcjc750s.xyz

ata2024.xyz

password-manager-89409.bond

aiassistanthub.net

changvolt.cfd

netino.site

wear-wale.com

omnipresenceagency.com

huangguan.ooo

propersonnelmedia.com

9332952.com

k3s.support

ciytrw.xyz

cb095.pro

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2576-17-0x0000000000400000-0x000000000042F000-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

pid	Process
2704	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2932 set thread context of 2576	2932	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.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

pid	Process
2948	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2576	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe
2704	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2704	2932	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe	31
PID 2932 wrote to memory of 2704	2932	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe	31
PID 2932 wrote to memory of 2704	2932	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe	31
PID 2932 wrote to memory of 2704	2932	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe	31
PID 2932 wrote to memory of 2948	2932	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe	32
PID 2932 wrote to memory of 2948	2932	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe	32
PID 2932 wrote to memory of 2948	2932	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe	32
PID 2932 wrote to memory of 2948	2932	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe	32
PID 2932 wrote to memory of 2576	2932	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe	35
PID 2932 wrote to memory of 2576	2932	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe	35
PID 2932 wrote to memory of 2576	2932	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe	35
PID 2932 wrote to memory of 2576	2932	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe	35
PID 2932 wrote to memory of 2576	2932	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe	35
PID 2932 wrote to memory of 2576	2932	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe	35
PID 2932 wrote to memory of 2576	2932	ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe	35

C:\Users\Admin\AppData\Local\Temp\ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe
"C:\Users\Admin\AppData\Local\Temp\ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\npDpoOL.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2704
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\npDpoOL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1E1B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2948
- C:\Users\Admin\AppData\Local\Temp\ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe
  "C:\Users\Admin\AppData\Local\Temp\ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2576

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\tmp1E1B.tmp

Filesize
1KB

MD5
b40a8175653ae146c44f4d49960b82f2

SHA1
de6247067ef5126995e18eb7412cacb482d61a3e

SHA256
17d61aca3090e57c23528f733eb8c1fa76691d79cefc1681e0ecabd1b2a2a499

SHA512
b6ae15be63381daf6667596350133dd43ba2079e44fc09f20384dc04f6118226c9656385ec183d0eb41616f4f169420a2857065b685a9010ebf768362f7ab67b

Download Submit
memory/2576-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2576-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2576-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2932-3-0x0000000000540000-0x0000000000558000-memory.dmp

Filesize
96KB

Download
memory/2932-6-0x00000000042A0000-0x0000000004316000-memory.dmp

Filesize
472KB

Download
memory/2932-5-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-4-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/2932-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/2932-2-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-1-0x0000000000980000-0x0000000000A22000-memory.dmp

Filesize
648KB

Download
memory/2932-18-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads