formbook | ba5e984e73ebb4c1cfb3b0f194980efa3eb5c9cdeacf5b2956e4572701e62ed4

General

Target

malw.exe
Size

656KB
MD5

f5c733b27999dd54d54e9eedf1e85f4e
SHA1

3bf0d9e4a4143a0fac4980fd13250a8d5653c946
SHA256

ba5e984e73ebb4c1cfb3b0f194980efa3eb5c9cdeacf5b2956e4572701e62ed4
SHA512

a17f30eee5a976b1a50585c3253d6b08720b9c69496c175062d0f86b51362bbb24875cd902e5bd89decefe852ad1fd665b221e7f523c85218578e2db89a7d2c8
SSDEEP

12288:xdkIYyOn6nzxmLvraF2UBmNRURd+bSuhh2oDywXlw62C9ygXCw+eAix5I:fY9n6nmv1UBmNmRQbSs2oGYrSBNs6

Score

10^/10

formbook m13o discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m13o

Decoy

un20250227-23.fun

mallelectricarsgb.bond

emvmaasbn.pro

ewaraja.xyz

olar-systems-panels-18238.bond

anjau2.cfd

ental-implants-58831.bond

riferrari.shop

ypham-japan.shop

imilarityapi.xyz

ealthywayzone.online

r33bz.online

ureformula.shop

arlsjrmenu.net

ziugsyw.xyz

osmetic-packaging-jobs.click

uaizhan.xyz

99game.xyz

otdrones.shop

rettvollmar.shop

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2928-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2928-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2968-25-0x00000000000E0000-0x000000000010F000-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
2476	powershell.exe

Deletes itself 1 IoCs

pid	Process
3024	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1372 set thread context of 2928	1372	malw.exe	33
PID 2928 set thread context of 1176	2928	malw.exe	21
PID 2968 set thread context of 1176	2968	cmd.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	malw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2928	malw.exe
2928	malw.exe
2476	powershell.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe
2968	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1176	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2928	malw.exe
2928	malw.exe
2928	malw.exe
2968	cmd.exe
2968	cmd.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2928	malw.exe
Token: SeDebugPrivilege	2476	powershell.exe
Token: SeDebugPrivilege	2968	cmd.exe
Token: SeShutdownPrivilege	1176	Explorer.EXE
Token: SeShutdownPrivilege	1176	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 2476	1372	malw.exe	31
PID 1372 wrote to memory of 2476	1372	malw.exe	31
PID 1372 wrote to memory of 2476	1372	malw.exe	31
PID 1372 wrote to memory of 2476	1372	malw.exe	31
PID 1372 wrote to memory of 2928	1372	malw.exe	33
PID 1372 wrote to memory of 2928	1372	malw.exe	33
PID 1372 wrote to memory of 2928	1372	malw.exe	33
PID 1372 wrote to memory of 2928	1372	malw.exe	33
PID 1372 wrote to memory of 2928	1372	malw.exe	33
PID 1372 wrote to memory of 2928	1372	malw.exe	33
PID 1372 wrote to memory of 2928	1372	malw.exe	33
PID 1176 wrote to memory of 2968	1176	Explorer.EXE	34
PID 1176 wrote to memory of 2968	1176	Explorer.EXE	34
PID 1176 wrote to memory of 2968	1176	Explorer.EXE	34
PID 1176 wrote to memory of 2968	1176	Explorer.EXE	34
PID 2968 wrote to memory of 3024	2968	cmd.exe	35
PID 2968 wrote to memory of 3024	2968	cmd.exe	35
PID 2968 wrote to memory of 3024	2968	cmd.exe	35
PID 2968 wrote to memory of 3024	2968	cmd.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Users\Admin\AppData\Local\Temp\malw.exe
  "C:\Users\Admin\AppData\Local\Temp\malw.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1372
- - 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\malw.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2476
- - C:\Users\Admin\AppData\Local\Temp\malw.exe
    "C:\Users\Admin\AppData\Local\Temp\malw.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2928
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.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:2968
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\malw.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:3024

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/1176-17-0x0000000004100000-0x0000000004300000-memory.dmp

Filesize
2.0MB

Download
memory/1176-28-0x0000000004310000-0x00000000043BC000-memory.dmp

Filesize
688KB

Download
memory/1176-26-0x0000000005030000-0x0000000005175000-memory.dmp

Filesize
1.3MB

Download
memory/1176-20-0x0000000005030000-0x0000000005175000-memory.dmp

Filesize
1.3MB

Download
memory/1372-1-0x0000000000340000-0x00000000003EA000-memory.dmp

Filesize
680KB

Download
memory/1372-2-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download
memory/1372-3-0x0000000001EF0000-0x0000000001F08000-memory.dmp

Filesize
96KB

Download
memory/1372-4-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/1372-5-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download
memory/1372-6-0x0000000005190000-0x0000000005208000-memory.dmp

Filesize
480KB

Download
memory/1372-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/1372-21-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2928-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2928-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2928-19-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2928-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2928-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2928-15-0x0000000000AF0000-0x0000000000DF3000-memory.dmp

Filesize
3.0MB

Download
memory/2968-24-0x000000004AA10000-0x000000004AA5C000-memory.dmp

Filesize
304KB

Download
memory/2968-25-0x00000000000E0000-0x000000000010F000-memory.dmp

Filesize
188KB

Download

Analysis

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