formbook | 6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83

Analysis

max time kernel
147s
max time network
139s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
11-08-2024 07:03

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General

Target

Novi upit #876567-AWB.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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2548-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2548-28-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3020-33-0x0000000000090000-0x00000000000BF000-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
2800	powershell.exe
2760	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2444 set thread context of 2548	2444	Novi upit #876567-AWB.exe	34
PID 2548 set thread context of 1208	2548	RegSvcs.exe	20
PID 2548 set thread context of 1208	2548	RegSvcs.exe	20
PID 3020 set thread context of 1208	3020	rundll32.exe	20

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Novi upit #876567-AWB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2684	schtasks.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2444	Novi upit #876567-AWB.exe
2800	powershell.exe
2444	Novi upit #876567-AWB.exe
2760	powershell.exe
2444	Novi upit #876567-AWB.exe
2444	Novi upit #876567-AWB.exe
2548	RegSvcs.exe
2548	RegSvcs.exe
2548	RegSvcs.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe
3020	rundll32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2548	RegSvcs.exe
2548	RegSvcs.exe
2548	RegSvcs.exe
2548	RegSvcs.exe
3020	rundll32.exe
3020	rundll32.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2444	Novi upit #876567-AWB.exe
Token: SeDebugPrivilege	2800	powershell.exe
Token: SeDebugPrivilege	2760	powershell.exe
Token: SeDebugPrivilege	2548	RegSvcs.exe
Token: SeDebugPrivilege	3020	rundll32.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2800	2444	Novi upit #876567-AWB.exe	28
PID 2444 wrote to memory of 2800	2444	Novi upit #876567-AWB.exe	28
PID 2444 wrote to memory of 2800	2444	Novi upit #876567-AWB.exe	28
PID 2444 wrote to memory of 2800	2444	Novi upit #876567-AWB.exe	28
PID 2444 wrote to memory of 2760	2444	Novi upit #876567-AWB.exe	30
PID 2444 wrote to memory of 2760	2444	Novi upit #876567-AWB.exe	30
PID 2444 wrote to memory of 2760	2444	Novi upit #876567-AWB.exe	30
PID 2444 wrote to memory of 2760	2444	Novi upit #876567-AWB.exe	30
PID 2444 wrote to memory of 2684	2444	Novi upit #876567-AWB.exe	32
PID 2444 wrote to memory of 2684	2444	Novi upit #876567-AWB.exe	32
PID 2444 wrote to memory of 2684	2444	Novi upit #876567-AWB.exe	32
PID 2444 wrote to memory of 2684	2444	Novi upit #876567-AWB.exe	32
PID 2444 wrote to memory of 2548	2444	Novi upit #876567-AWB.exe	34
PID 2444 wrote to memory of 2548	2444	Novi upit #876567-AWB.exe	34
PID 2444 wrote to memory of 2548	2444	Novi upit #876567-AWB.exe	34
PID 2444 wrote to memory of 2548	2444	Novi upit #876567-AWB.exe	34
PID 2444 wrote to memory of 2548	2444	Novi upit #876567-AWB.exe	34
PID 2444 wrote to memory of 2548	2444	Novi upit #876567-AWB.exe	34
PID 2444 wrote to memory of 2548	2444	Novi upit #876567-AWB.exe	34
PID 2444 wrote to memory of 2548	2444	Novi upit #876567-AWB.exe	34
PID 2444 wrote to memory of 2548	2444	Novi upit #876567-AWB.exe	34
PID 2444 wrote to memory of 2548	2444	Novi upit #876567-AWB.exe	34
PID 1208 wrote to memory of 3020	1208	Explorer.EXE	35
PID 1208 wrote to memory of 3020	1208	Explorer.EXE	35
PID 1208 wrote to memory of 3020	1208	Explorer.EXE	35
PID 1208 wrote to memory of 3020	1208	Explorer.EXE	35
PID 1208 wrote to memory of 3020	1208	Explorer.EXE	35
PID 1208 wrote to memory of 3020	1208	Explorer.EXE	35
PID 1208 wrote to memory of 3020	1208	Explorer.EXE	35
PID 3020 wrote to memory of 3004	3020	rundll32.exe	36
PID 3020 wrote to memory of 3004	3020	rundll32.exe	36
PID 3020 wrote to memory of 3004	3020	rundll32.exe	36
PID 3020 wrote to memory of 3004	3020	rundll32.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\Novi upit #876567-AWB.exe
  "C:\Users\Admin\AppData\Local\Temp\Novi upit #876567-AWB.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2444
- - 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\Novi upit #876567-AWB.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2800
- - 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:2760
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZtrukSbkRD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8575.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2684
- - 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:2548
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:3020
- - 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:3004

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8575.tmp

Filesize
1KB

MD5
651617940856bf95fed0e015b170604d

SHA1
4e6245ac7dc2de537aa283898b25c01d43aa038a

SHA256
e76b227aa3f14af46901e8cd15fee647ddb61e732705a1abe871e08a991f8141

SHA512
a2e32d4122a112e3bd3fcbc91baa01f8108da829c14a7bc5384a0bbcaf436ff9b1cbec2889207f8c7dd59d328947692304a7fa50cf2186ae023d200392b75606

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

Filesize
7KB

MD5
bf638d4c7bc3cfcb213bd14db905de12

SHA1
d7893baff899ac83051fd528913ee4ce88251116

SHA256
acb015bc1dbc0df3c1614e1cd3b6dc449f8d635297033f651b28b71bdf6254fb

SHA512
29b2bc1f4eae1b4335f358042ccb0d293c287f25476234a121ecc6518d2db268839ff00700f6d0c1e5da9c32ad5a5a4b8c2116be21d1a2f139dcd7f33a648a14

Download Submit
memory/1208-37-0x0000000004D40000-0x0000000004E75000-memory.dmp

Filesize
1.2MB

Download
memory/1208-35-0x0000000003760000-0x0000000003860000-memory.dmp

Filesize
1024KB

Download
memory/1208-29-0x0000000004B10000-0x0000000004BE7000-memory.dmp

Filesize
860KB

Download
memory/2444-5-0x0000000000780000-0x0000000000796000-memory.dmp

Filesize
88KB

Download
memory/2444-25-0x0000000073D30000-0x000000007441E000-memory.dmp

Filesize
6.9MB

Download
memory/2444-0-0x0000000073D3E000-0x0000000073D3F000-memory.dmp

Filesize
4KB

Download
memory/2444-4-0x00000000004A0000-0x00000000004AE000-memory.dmp

Filesize
56KB

Download
memory/2444-6-0x0000000004C10000-0x0000000004C86000-memory.dmp

Filesize
472KB

Download
memory/2444-1-0x0000000000380000-0x0000000000420000-memory.dmp

Filesize
640KB

Download
memory/2444-2-0x0000000073D30000-0x000000007441E000-memory.dmp

Filesize
6.9MB

Download
memory/2444-3-0x0000000000760000-0x000000000077A000-memory.dmp

Filesize
104KB

Download
memory/2548-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2548-28-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2548-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2548-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2548-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3020-30-0x00000000008F0000-0x00000000008FE000-memory.dmp

Filesize
56KB

Download
memory/3020-32-0x00000000008F0000-0x00000000008FE000-memory.dmp

Filesize
56KB

Download
memory/3020-33-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download