formbook | 8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049

General

Target

8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe
Size

661KB
MD5

4b1b3a715305efece2e7c37c5346a719
SHA1

d4b0fd026b293bc0131706a49d73db072b0b136c
SHA256

8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049
SHA512

18c3eb1dc929b4c7143b2f6b9327b78e6c3cfbbff87216cabbe23de32985e694ba1bcdc5ae737e69472147a4d8d6475fdcd24ffdf4ad1357fef97fb5147335d7
SSDEEP

12288:M6YRxA4Y5lyA/BxSPCNiITWBlyZWuActY/V/5E0bblR+1Y7NyEFcePZCR:URo7Sy4uActY/VFT+EyMZCR

Score

10^/10

formbook 3nop discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

Decoy

subur88wap.sbs

tyai1.top

skillbeast.site

kcclassiccars.net

lghomes.net

eijanno.cyou

work-in-usa-60100.bond

268chill.store

bharatwin.biz

cakjitu01.xyz

misafert.xyz

hiretemp.net

lvekz-onearmed.top

amanda-manopo.info

seo-companies22.online

casinowalletth.net

maynrson.monster

bewizi.com

thedronetechhub.shop

car-insurance-93947.bond

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2812-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2636-24-0x0000000000080000-0x00000000000AF000-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
1964	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2556 set thread context of 2812	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	35
PID 2812 set thread context of 1188	2812	RegSvcs.exe	21
PID 2636 set thread context of 1188	2636	svchost.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 5 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	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2752	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe
2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe
2812	RegSvcs.exe
2812	RegSvcs.exe
1964	powershell.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2812	RegSvcs.exe
2812	RegSvcs.exe
2812	RegSvcs.exe
2636	svchost.exe
2636	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe
Token: SeDebugPrivilege	2812	RegSvcs.exe
Token: SeDebugPrivilege	1964	powershell.exe
Token: SeDebugPrivilege	2636	svchost.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 1964	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	31
PID 2556 wrote to memory of 1964	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	31
PID 2556 wrote to memory of 1964	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	31
PID 2556 wrote to memory of 1964	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	31
PID 2556 wrote to memory of 2752	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	33
PID 2556 wrote to memory of 2752	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	33
PID 2556 wrote to memory of 2752	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	33
PID 2556 wrote to memory of 2752	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	33
PID 2556 wrote to memory of 2812	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	35
PID 2556 wrote to memory of 2812	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	35
PID 2556 wrote to memory of 2812	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	35
PID 2556 wrote to memory of 2812	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	35
PID 2556 wrote to memory of 2812	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	35
PID 2556 wrote to memory of 2812	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	35
PID 2556 wrote to memory of 2812	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	35
PID 2556 wrote to memory of 2812	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	35
PID 2556 wrote to memory of 2812	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	35
PID 2556 wrote to memory of 2812	2556	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	35
PID 1188 wrote to memory of 2636	1188	Explorer.EXE	36
PID 1188 wrote to memory of 2636	1188	Explorer.EXE	36
PID 1188 wrote to memory of 2636	1188	Explorer.EXE	36
PID 1188 wrote to memory of 2636	1188	Explorer.EXE	36
PID 2636 wrote to memory of 2624	2636	svchost.exe	37
PID 2636 wrote to memory of 2624	2636	svchost.exe	37
PID 2636 wrote to memory of 2624	2636	svchost.exe	37
PID 2636 wrote to memory of 2624	2636	svchost.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe
  "C:\Users\Admin\AppData\Local\Temp\8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tXKIoQjujENj.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1964
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tXKIoQjujENj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE669.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2752
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2812
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2624

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE669.tmp

Filesize
1KB

MD5
2d4bcf92e4aff3b7c7d714a602f463c2

SHA1
73d04e946d0fa9b5a5821256416ee5d5c5546aa9

SHA256
458e29609edcc6b59599eb6060e41e44899c1276633dea86cb4d117d52473acf

SHA512
ea51047a6e27c0c3b79739f1d52968a92cd15a9f7ab61122215406c8504ca169c5e8acd6f14537fcb660311e86d0bcd756e3894bce62a65768fbc8e60840cfed

Download Submit
memory/2556-6-0x0000000004D50000-0x0000000004DCA000-memory.dmp

Filesize
488KB

Download
memory/2556-20-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2556-3-0x00000000005E0000-0x00000000005FA000-memory.dmp

Filesize
104KB

Download
memory/2556-4-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2556-5-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2556-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2556-1-0x0000000000300000-0x00000000003AC000-memory.dmp

Filesize
688KB

Download
memory/2556-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2636-23-0x00000000003D0000-0x00000000003D8000-memory.dmp

Filesize
32KB

Download
memory/2636-24-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2812-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2812-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2812-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2812-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads