formbook | 59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f

General

Target

59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe
Size

632KB
MD5

8608c1a35800f1b1d6c49401800fd3ea
SHA1

e953f684bb1202b467984ad17c988c612b6aa37f
SHA256

59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f
SHA512

94f04e7a2a368b1a0dd4b0ca23ca956b258585db77294b246025ffc67ecbe1ddad420fb2bb1eaf3322102f826a07c3a3d89332a3aae4bea78461fceab9f3c7c6
SSDEEP

12288:5nCvtqevGPoF8ZzJiL8ZUtdOisOMM9CVwyiz9K5+4uTmZUJmEj:MtVPUJigudOsyFw40kUUE

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 family
formbook

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2228-11-0x0000000000400000-0x000000000042F000-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
1380	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2464 set thread context of 2228	2464	59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe	33

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	59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2228	59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe
1380	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1380	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 1380	2464	59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe	31
PID 2464 wrote to memory of 1380	2464	59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe	31
PID 2464 wrote to memory of 1380	2464	59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe	31
PID 2464 wrote to memory of 1380	2464	59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe	31
PID 2464 wrote to memory of 2228	2464	59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe	33
PID 2464 wrote to memory of 2228	2464	59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe	33
PID 2464 wrote to memory of 2228	2464	59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe	33
PID 2464 wrote to memory of 2228	2464	59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe	33
PID 2464 wrote to memory of 2228	2464	59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe	33
PID 2464 wrote to memory of 2228	2464	59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe	33
PID 2464 wrote to memory of 2228	2464	59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe	33

C:\Users\Admin\AppData\Local\Temp\59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe
"C:\Users\Admin\AppData\Local\Temp\59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2464
- 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\59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1380
- C:\Users\Admin\AppData\Local\Temp\59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe
  "C:\Users\Admin\AppData\Local\Temp\59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2228

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/2228-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2228-12-0x00000000008B0000-0x0000000000BB3000-memory.dmp

Filesize
3.0MB

Download
memory/2228-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2228-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2228-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2464-3-0x0000000000A60000-0x0000000000A78000-memory.dmp

Filesize
96KB

Download
memory/2464-6-0x0000000005230000-0x00000000052A6000-memory.dmp

Filesize
472KB

Download
memory/2464-5-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2464-4-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/2464-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/2464-2-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2464-1-0x00000000013E0000-0x0000000001484000-memory.dmp

Filesize
656KB

Download
memory/2464-13-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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