formbook | 8762ea652c974bb0aa9bdf338ed57d46c251f72f5f1f4a5bf4d40c9961d8e2ee

General

Target

WRONGBANKDETAILS.exe
Size

576KB
MD5

3577b6781c96341d85c2d789663996f1
SHA1

6b92b743ddf5e0a38a38ecedbc71d5d66dd1a24c
SHA256

8762ea652c974bb0aa9bdf338ed57d46c251f72f5f1f4a5bf4d40c9961d8e2ee
SHA512

9ac422d0c3a23460bcb5299fde784624f0c271385dad05679ee375400b25837ec83a8ef3f579ff5c0283b4469051c6abf0f132ed59264bb20720231defe886f1
SSDEEP

12288:R/nqjqYBWEjmDVEEBFGpfAvAUcpghwG2n2HtgmmeEnHSUh:R/pUWEYBQp4vAUcGCFn2HteeER

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/2256-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2256-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2868-24-0x00000000000C0000-0x00000000000EF000-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
2968	powershell.exe

Deletes itself 1 IoCs

pid	Process
2776	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2556 set thread context of 2256	2556	WRONGBANKDETAILS.exe	33
PID 2256 set thread context of 1188	2256	WRONGBANKDETAILS.exe	21
PID 2868 set thread context of 1188	2868	NETSTAT.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 4 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	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WRONGBANKDETAILS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2868	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2556	WRONGBANKDETAILS.exe
2556	WRONGBANKDETAILS.exe
2256	WRONGBANKDETAILS.exe
2256	WRONGBANKDETAILS.exe
2968	powershell.exe
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2256	WRONGBANKDETAILS.exe
2256	WRONGBANKDETAILS.exe
2256	WRONGBANKDETAILS.exe
2868	NETSTAT.EXE
2868	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2556	WRONGBANKDETAILS.exe
Token: SeDebugPrivilege	2256	WRONGBANKDETAILS.exe
Token: SeDebugPrivilege	2968	powershell.exe
Token: SeDebugPrivilege	2868	NETSTAT.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 2968	2556	WRONGBANKDETAILS.exe	31
PID 2556 wrote to memory of 2968	2556	WRONGBANKDETAILS.exe	31
PID 2556 wrote to memory of 2968	2556	WRONGBANKDETAILS.exe	31
PID 2556 wrote to memory of 2968	2556	WRONGBANKDETAILS.exe	31
PID 2556 wrote to memory of 2256	2556	WRONGBANKDETAILS.exe	33
PID 2556 wrote to memory of 2256	2556	WRONGBANKDETAILS.exe	33
PID 2556 wrote to memory of 2256	2556	WRONGBANKDETAILS.exe	33
PID 2556 wrote to memory of 2256	2556	WRONGBANKDETAILS.exe	33
PID 2556 wrote to memory of 2256	2556	WRONGBANKDETAILS.exe	33
PID 2556 wrote to memory of 2256	2556	WRONGBANKDETAILS.exe	33
PID 2556 wrote to memory of 2256	2556	WRONGBANKDETAILS.exe	33
PID 1188 wrote to memory of 2868	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2868	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2868	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2868	1188	Explorer.EXE	34
PID 2868 wrote to memory of 2776	2868	NETSTAT.EXE	35
PID 2868 wrote to memory of 2776	2868	NETSTAT.EXE	35
PID 2868 wrote to memory of 2776	2868	NETSTAT.EXE	35
PID 2868 wrote to memory of 2776	2868	NETSTAT.EXE	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\WRONGBANKDETAILS.exe
  "C:\Users\Admin\AppData\Local\Temp\WRONGBANKDETAILS.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\Local\Temp\WRONGBANKDETAILS.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2968
- - C:\Users\Admin\AppData\Local\Temp\WRONGBANKDETAILS.exe
    "C:\Users\Admin\AppData\Local\Temp\WRONGBANKDETAILS.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2256
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2868
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\WRONGBANKDETAILS.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

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/1188-21-0x00000000050F0000-0x0000000005239000-memory.dmp

Filesize
1.3MB

Download
memory/1188-26-0x00000000050F0000-0x0000000005239000-memory.dmp

Filesize
1.3MB

Download
memory/2256-16-0x00000000009C0000-0x0000000000CC3000-memory.dmp

Filesize
3.0MB

Download
memory/2256-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2256-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2256-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2256-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2256-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2556-6-0x00000000055E0000-0x0000000005656000-memory.dmp

Filesize
472KB

Download
memory/2556-3-0x0000000000A00000-0x0000000000A10000-memory.dmp

Filesize
64KB

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

Filesize
6.9MB

Download
memory/2556-15-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

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

Filesize
4KB

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

Filesize
6.9MB

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

Filesize
4KB

Download
memory/2556-1-0x0000000001260000-0x00000000012F6000-memory.dmp

Filesize
600KB

Download
memory/2868-22-0x0000000000EB0000-0x0000000000EB9000-memory.dmp

Filesize
36KB

Download
memory/2868-24-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download

Analysis

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