formbook | 6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83

Analysis

max time kernel
149s
max time network
131s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
12-08-2024 01:12

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General

Target

6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe
Size

636KB
MD5

1e07f9e0e115b0d56b8c051c9e38563e
SHA1

e5a7b7eb96343d506ab16b17868d281cc0d9188b
SHA256

6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83
SHA512

26a828670c0b8a8acc14c0000d40b4e1bf048254b690d257a8198acf33666b6e81886fef6914fb70cd0dd2a0cf0293fbf24124fdbc3276a9a0d073f0837df2bd
SSDEEP

12288:NRzAiSeURm5WoixfKTYZAOqjygs3+ER4X0VgdOeHH51zo1sSzKihJgAjkR:NRzAOUemxSUZAyZDFiz611gA2

Score

10^/10

formbook md02 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

md02

Decoy

onsen1508.com

partymaxclubmen36.click

texasshelvingwarehouse.com

tiantiying.com

taxcredits-pr.com

33mgbet.com

equipoleiremnacional.com

andrewghita.com

zbbnp.xyz

englandbreaking.com

a1b5v.xyz

vizamag.com

h0lg3.rest

ux-design-courses-17184.bond

of84.top

qqkartel88v1.com

avalynkate.com

cpuk-finance.com

yeslabs.xyz

webuyandsellpa.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2872-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2652-28-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2188	powershell.exe
2764	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1956 set thread context of 2872	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	37
PID 2872 set thread context of 1252	2872	RegSvcs.exe	21
PID 2652 set thread context of 1252	2652	raserver.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 6 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	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	raserver.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
2852	schtasks.exe

Suspicious behavior: EnumeratesProcesses 34 IoCs

pid	Process
1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe
1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe
2764	powershell.exe
2188	powershell.exe
1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe
2872	RegSvcs.exe
2872	RegSvcs.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe
2652	raserver.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2872	RegSvcs.exe
2872	RegSvcs.exe
2872	RegSvcs.exe
2652	raserver.exe
2652	raserver.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe
Token: SeDebugPrivilege	2764	powershell.exe
Token: SeDebugPrivilege	2188	powershell.exe
Token: SeDebugPrivilege	2872	RegSvcs.exe
Token: SeDebugPrivilege	2652	raserver.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2188	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	31
PID 1956 wrote to memory of 2188	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	31
PID 1956 wrote to memory of 2188	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	31
PID 1956 wrote to memory of 2188	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	31
PID 1956 wrote to memory of 2764	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	33
PID 1956 wrote to memory of 2764	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	33
PID 1956 wrote to memory of 2764	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	33
PID 1956 wrote to memory of 2764	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	33
PID 1956 wrote to memory of 2852	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	35
PID 1956 wrote to memory of 2852	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	35
PID 1956 wrote to memory of 2852	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	35
PID 1956 wrote to memory of 2852	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	35
PID 1956 wrote to memory of 2872	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	37
PID 1956 wrote to memory of 2872	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	37
PID 1956 wrote to memory of 2872	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	37
PID 1956 wrote to memory of 2872	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	37
PID 1956 wrote to memory of 2872	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	37
PID 1956 wrote to memory of 2872	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	37
PID 1956 wrote to memory of 2872	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	37
PID 1956 wrote to memory of 2872	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	37
PID 1956 wrote to memory of 2872	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	37
PID 1956 wrote to memory of 2872	1956	6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe	37
PID 1252 wrote to memory of 2652	1252	Explorer.EXE	38
PID 1252 wrote to memory of 2652	1252	Explorer.EXE	38
PID 1252 wrote to memory of 2652	1252	Explorer.EXE	38
PID 1252 wrote to memory of 2652	1252	Explorer.EXE	38
PID 2652 wrote to memory of 2308	2652	raserver.exe	39
PID 2652 wrote to memory of 2308	2652	raserver.exe	39
PID 2652 wrote to memory of 2308	2652	raserver.exe	39
PID 2652 wrote to memory of 2308	2652	raserver.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Users\Admin\AppData\Local\Temp\6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe
  "C:\Users\Admin\AppData\Local\Temp\6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1956
- - 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\6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2188
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZtrukSbkRD.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2764
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZtrukSbkRD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp204.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2852
- - 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:2872
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:2652
- - 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:2308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp204.tmp

Filesize
1KB

MD5
c39e25c0e3dc50e1a8494c8a66838a25

SHA1
ed05858d6d822579ba675a3fdca88d15fc0fe247

SHA256
70568c505d14d648d9aa43386dc9ea639b3e1c61fa865fe6376fcb4c009d4b47

SHA512
73a71c13870783b470f00aa127ddd2bdb4a1be6dd71701d6df6c5191941de18a6fedb6c90bb2b942f3dec6a09abaf5a84c28d1a228502f10d65395165c98e7f0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
7635a2d2117cc3c4a5dbef8c0b518db1

SHA1
0dfcb1314cebb07caf21b921909db63b9f35f953

SHA256
870e0e31058d92aa86eedef864f5e80f8fd6745a1197b7406570af62cf1206d0

SHA512
e4257db2e7f8121b0b33e01f91937cfe349fb9961a1e94b6b3830883a27a6c807c0872627744cb999b53d5d24dc5f549ba3e51af68efd7a649ebc3f14a4223e0

Download Submit
memory/1252-33-0x00000000074D0000-0x000000000765B000-memory.dmp

Filesize
1.5MB

Download
memory/1956-4-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1956-26-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/1956-5-0x0000000000580000-0x0000000000596000-memory.dmp

Filesize
88KB

Download
memory/1956-6-0x00000000044A0000-0x0000000004516000-memory.dmp

Filesize
472KB

Download
memory/1956-3-0x00000000005D0000-0x00000000005EA000-memory.dmp

Filesize
104KB

Download
memory/1956-2-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/1956-1-0x0000000000B80000-0x0000000000C20000-memory.dmp

Filesize
640KB

Download
memory/1956-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/2652-27-0x0000000000AA0000-0x0000000000ABC000-memory.dmp

Filesize
112KB

Download
memory/2652-28-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2872-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2872-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2872-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2872-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download