formbook | 12af745dd8353b25857dc4bd3d3282f21c960ab55d3dece7e62d7a10a9aae810

General

Target

INV#349265.exe
Size

784KB
MD5

d89cd1e76600ab0ce3daa93016995b2a
SHA1

710caa0136a1d5251c23878ddb40f4c6b8c45f9d
SHA256

12af745dd8353b25857dc4bd3d3282f21c960ab55d3dece7e62d7a10a9aae810
SHA512

153cdc07ac45b683bb9e93d053aac3e4e8d3101b07a48c7d81585368c2b2aa3a54e3949a4cf05fe09a9a18d32e385b6ec4746071a571d2e464f862342e0c04b0
SSDEEP

12288:dTvgGThLLQsb16RwqKaKeN3Hd4hsubCcopOQBIyrtBNK/KoohkR:Vvg2LcvRwqKaKoX+hlGp/Blrtv+KP8

Score

10^/10

formbook t94g discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t94g

Decoy

32188.top

mergencyroofrepair656460.online

jkahu.fun

ur4.autos

r0lba4cl0qkaws8.bond

eiliaowang.top

urjav.xyz

kidaman15.click

old-removal-p350.today

levatethismedia.info

h33323s40.top

dormy.click

5406.club

earlofwisdombook.pro

6980.app

ellwood999.biz

otdates.lol

164v.shop

thereal.app

takeget.online

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2756-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2756-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2756-25-0x0000000000400000-0x000000000042F000-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
2260	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3048 set thread context of 2756	3048	INV#349265.exe	33
PID 2756 set thread context of 1200	2756	INV#349265.exe	21
PID 2756 set thread context of 1200	2756	INV#349265.exe	21

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	INV#349265.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3048	INV#349265.exe
3048	INV#349265.exe
2756	INV#349265.exe
2756	INV#349265.exe
2260	powershell.exe
2756	INV#349265.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2756	INV#349265.exe
2756	INV#349265.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	INV#349265.exe
Token: SeDebugPrivilege	2756	INV#349265.exe
Token: SeDebugPrivilege	2260	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2260	3048	INV#349265.exe	31
PID 3048 wrote to memory of 2260	3048	INV#349265.exe	31
PID 3048 wrote to memory of 2260	3048	INV#349265.exe	31
PID 3048 wrote to memory of 2260	3048	INV#349265.exe	31
PID 3048 wrote to memory of 2756	3048	INV#349265.exe	33
PID 3048 wrote to memory of 2756	3048	INV#349265.exe	33
PID 3048 wrote to memory of 2756	3048	INV#349265.exe	33
PID 3048 wrote to memory of 2756	3048	INV#349265.exe	33
PID 3048 wrote to memory of 2756	3048	INV#349265.exe	33
PID 3048 wrote to memory of 2756	3048	INV#349265.exe	33
PID 3048 wrote to memory of 2756	3048	INV#349265.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\INV#349265.exe
  "C:\Users\Admin\AppData\Local\Temp\INV#349265.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3048
- - 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\INV#349265.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2260
- - C:\Users\Admin\AppData\Local\Temp\INV#349265.exe
    "C:\Users\Admin\AppData\Local\Temp\INV#349265.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2756

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/1200-19-0x0000000006890000-0x0000000006A0D000-memory.dmp

Filesize
1.5MB

Download
memory/1200-24-0x0000000006890000-0x0000000006A0D000-memory.dmp

Filesize
1.5MB

Download
memory/2756-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-18-0x0000000000180000-0x0000000000195000-memory.dmp

Filesize
84KB

Download
memory/2756-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-15-0x0000000000A00000-0x0000000000D03000-memory.dmp

Filesize
3.0MB

Download
memory/3048-6-0x0000000000540000-0x00000000005B6000-memory.dmp

Filesize
472KB

Download
memory/3048-3-0x00000000005F0000-0x000000000060E000-memory.dmp

Filesize
120KB

Download
memory/3048-0-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/3048-5-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/3048-2-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/3048-20-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/3048-1-0x0000000000930000-0x00000000009F6000-memory.dmp

Filesize
792KB

Download
memory/3048-4-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download

Analysis

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