formbook | 03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe

General

Target

03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe
Size

731KB
MD5

17a1259bd9c1cb80ac8d105d513bed7f
SHA1

cae2ad2f6a8055ad2145e25324d29033fe1133ae
SHA256

03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe
SHA512

f3edf3d6e0c10fd71e411c78fc7af1db10c0c4d56cc796dac113eae2afe96ff30eceb4d0c275a48bded4aeeb353e1a6d22f19f754baf1fd218b8fdaa63ff12b0
SSDEEP

12288:XTrw1bZZn9LJ/x0NHhVdAU/ocoHqXNAN5sNUEj+CQBuxXF29cGNzw1ZW6bEm7N52:DrwLZnR30xhDLocIqXN8u+CQ0FJGVuZN

Score

10^/10

formbook t18n discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t18n

Decoy

tmusicoregon.net

atici.online

j7u7.xyz

iewunucierwuerwnziqi1.info

ruvabetgiris.website

acik.lat

obsk.top

sphaltpaving-ttp1-shd-us-2.shop

ispensarynearme.news

b3nd.bond

urelook.xyz

gearlpfbm.top

aconstructionjob.bond

killsnexis.info

oshon.xyz

ashabsxw.top

ussiatraiding.buzz

raipsehumus.homes

6ae23rx.forum

edar88vvip.shop

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/2880-11-0x0000000000400000-0x000000000042F000-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
2836	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2684 set thread context of 2880	2684	03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe	32

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 2 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	03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2880	03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe
2836	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2836	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2836	2684	03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe	30
PID 2684 wrote to memory of 2836	2684	03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe	30
PID 2684 wrote to memory of 2836	2684	03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe	30
PID 2684 wrote to memory of 2836	2684	03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe	30
PID 2684 wrote to memory of 2880	2684	03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe	32
PID 2684 wrote to memory of 2880	2684	03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe	32
PID 2684 wrote to memory of 2880	2684	03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe	32
PID 2684 wrote to memory of 2880	2684	03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe	32
PID 2684 wrote to memory of 2880	2684	03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe	32
PID 2684 wrote to memory of 2880	2684	03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe	32
PID 2684 wrote to memory of 2880	2684	03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe	32

C:\Users\Admin\AppData\Local\Temp\03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe
"C:\Users\Admin\AppData\Local\Temp\03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684
- 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\03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2836
- C:\Users\Admin\AppData\Local\Temp\03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe
  "C:\Users\Admin\AppData\Local\Temp\03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

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

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Downloads

memory/2684-6-0x0000000000AE0000-0x0000000000B56000-memory.dmp

Filesize
472KB

Download
memory/2684-1-0x0000000000CC0000-0x0000000000D7C000-memory.dmp

Filesize
752KB

Download
memory/2684-2-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2684-3-0x00000000004A0000-0x00000000004BE000-memory.dmp

Filesize
120KB

Download
memory/2684-4-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2684-5-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2684-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2684-12-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2880-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2880-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2880-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2880-13-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download

Analysis

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