formbook | 6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83

Analysis

max time kernel
146s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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 2 IoCs

rat

resource	yara_rule
behavioral2/memory/1760-37-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1376-88-0x00000000003C0000-0x00000000003EF000-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
4424	powershell.exe
2592	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	Novi upit #876567-AWB.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1080 set thread context of 1760	1080	Novi upit #876567-AWB.exe	108
PID 1760 set thread context of 3380	1760	RegSvcs.exe	56
PID 1376 set thread context of 3380	1376	cmstp.exe	56

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.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
4580	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1080	Novi upit #876567-AWB.exe
1080	Novi upit #876567-AWB.exe
1080	Novi upit #876567-AWB.exe
4424	powershell.exe
4424	powershell.exe
2592	powershell.exe
2592	powershell.exe
1080	Novi upit #876567-AWB.exe
4424	powershell.exe
1760	RegSvcs.exe
1760	RegSvcs.exe
1760	RegSvcs.exe
1760	RegSvcs.exe
1760	RegSvcs.exe
1760	RegSvcs.exe
2592	powershell.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe
1376	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1760	RegSvcs.exe
1760	RegSvcs.exe
1760	RegSvcs.exe
1376	cmstp.exe
1376	cmstp.exe

Suspicious use of AdjustPrivilegeToken 19 IoCs

description	pid	Process
Token: SeDebugPrivilege	1080	Novi upit #876567-AWB.exe
Token: SeDebugPrivilege	4424	powershell.exe
Token: SeDebugPrivilege	2592	powershell.exe
Token: SeDebugPrivilege	1760	RegSvcs.exe
Token: SeDebugPrivilege	1376	cmstp.exe
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3380	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 4424	1080	Novi upit #876567-AWB.exe	102
PID 1080 wrote to memory of 4424	1080	Novi upit #876567-AWB.exe	102
PID 1080 wrote to memory of 4424	1080	Novi upit #876567-AWB.exe	102
PID 1080 wrote to memory of 2592	1080	Novi upit #876567-AWB.exe	104
PID 1080 wrote to memory of 2592	1080	Novi upit #876567-AWB.exe	104
PID 1080 wrote to memory of 2592	1080	Novi upit #876567-AWB.exe	104
PID 1080 wrote to memory of 4580	1080	Novi upit #876567-AWB.exe	106
PID 1080 wrote to memory of 4580	1080	Novi upit #876567-AWB.exe	106
PID 1080 wrote to memory of 4580	1080	Novi upit #876567-AWB.exe	106
PID 1080 wrote to memory of 1760	1080	Novi upit #876567-AWB.exe	108
PID 1080 wrote to memory of 1760	1080	Novi upit #876567-AWB.exe	108
PID 1080 wrote to memory of 1760	1080	Novi upit #876567-AWB.exe	108
PID 1080 wrote to memory of 1760	1080	Novi upit #876567-AWB.exe	108
PID 1080 wrote to memory of 1760	1080	Novi upit #876567-AWB.exe	108
PID 1080 wrote to memory of 1760	1080	Novi upit #876567-AWB.exe	108
PID 3380 wrote to memory of 1376	3380	Explorer.EXE	109
PID 3380 wrote to memory of 1376	3380	Explorer.EXE	109
PID 3380 wrote to memory of 1376	3380	Explorer.EXE	109
PID 1376 wrote to memory of 1956	1376	cmstp.exe	110
PID 1376 wrote to memory of 1956	1376	cmstp.exe	110
PID 1376 wrote to memory of 1956	1376	cmstp.exe	110

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3380
- C:\Users\Admin\AppData\Local\Temp\Novi upit #876567-AWB.exe
  "C:\Users\Admin\AppData\Local\Temp\Novi upit #876567-AWB.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1080
- - 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:4424
- - 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:2592
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZtrukSbkRD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8519.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4580
- - 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:1760
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:1376
- - 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:1956

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4424,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4444 /prefetch:8
1⤵
PID:2472

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

Query Registry

T1012

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
23137e08212453147def44903f2198e5

SHA1
74439c3eac0fdd6422bf28e32fc518c916cd595a

SHA256
c532e4af26d73805db48203f77bf43408508120f7cd456db4aa2cdeb48df28e4

SHA512
6799fb7f59ea3006c9b7e670f5708738115a7d44248c27928e3b5eb07f04a578c5e666e8ab66730368ab2f2b9333861b0f5faf1f5417f5a6cb47e14f0ea7660d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_m3rzch2l.zgs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8519.tmp

Filesize
1KB

MD5
318e5a28c9751234c4c2a722e0acf286

SHA1
cfe371fb897c812e8d106a1e85b6bd361f159819

SHA256
75fa1efc5dec1efc7d484894c3bbdbf91a358d9bb64c333ffaf826ef846f655c

SHA512
97739e6831cc7c8e618dae456df75c2c63d24f1a227d0696c93aade255c22bd3c83e60e49a7ef3bc8b8459e8ad218c3ae550a1729c32ad4f0fbb39d84ae99a50

Download Submit
memory/1080-2-0x00000000054C0000-0x0000000005A64000-memory.dmp

Filesize
5.6MB

Download
memory/1080-34-0x000000007507E000-0x000000007507F000-memory.dmp

Filesize
4KB

Download
memory/1080-4-0x0000000004F20000-0x0000000004F2A000-memory.dmp

Filesize
40KB

Download
memory/1080-7-0x0000000005240000-0x000000000524E000-memory.dmp

Filesize
56KB

Download
memory/1080-48-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/1080-9-0x0000000008A00000-0x0000000008A76000-memory.dmp

Filesize
472KB

Download
memory/1080-10-0x000000000BB20000-0x000000000BBBC000-memory.dmp

Filesize
624KB

Download
memory/1080-5-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/1080-0-0x000000007507E000-0x000000007507F000-memory.dmp

Filesize
4KB

Download
memory/1080-1-0x00000000004B0000-0x0000000000550000-memory.dmp

Filesize
640KB

Download
memory/1080-3-0x0000000004FB0000-0x0000000005042000-memory.dmp

Filesize
584KB

Download
memory/1080-8-0x0000000005250000-0x0000000005266000-memory.dmp

Filesize
88KB

Download
memory/1080-6-0x0000000005200000-0x000000000521A000-memory.dmp

Filesize
104KB

Download
memory/1376-88-0x00000000003C0000-0x00000000003EF000-memory.dmp

Filesize
188KB

Download
memory/1376-75-0x00000000002B0000-0x00000000002C6000-memory.dmp

Filesize
88KB

Download
memory/1760-37-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2592-92-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/2592-83-0x0000000007260000-0x000000000727A000-memory.dmp

Filesize
104KB

Download
memory/2592-64-0x0000000075900000-0x000000007594C000-memory.dmp

Filesize
304KB

Download
memory/2592-33-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/2592-22-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/2592-36-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/2592-84-0x0000000007240000-0x0000000007248000-memory.dmp

Filesize
32KB

Download
memory/2592-80-0x0000000007120000-0x0000000007131000-memory.dmp

Filesize
68KB

Download
memory/3380-95-0x00000000085D0000-0x00000000086B9000-memory.dmp

Filesize
932KB

Download
memory/4424-16-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/4424-53-0x0000000075900000-0x000000007594C000-memory.dmp

Filesize
304KB

Download
memory/4424-63-0x0000000006F30000-0x0000000006F4E000-memory.dmp

Filesize
120KB

Download
memory/4424-66-0x0000000006FB0000-0x0000000007053000-memory.dmp

Filesize
652KB

Download
memory/4424-52-0x0000000006F70000-0x0000000006FA2000-memory.dmp

Filesize
200KB

Download
memory/4424-50-0x0000000006300000-0x000000000634C000-memory.dmp

Filesize
304KB

Download
memory/4424-77-0x00000000070D0000-0x00000000070EA000-memory.dmp

Filesize
104KB

Download
memory/4424-76-0x0000000007710000-0x0000000007D8A000-memory.dmp

Filesize
6.5MB

Download
memory/4424-78-0x0000000007140000-0x000000000714A000-memory.dmp

Filesize
40KB

Download
memory/4424-79-0x0000000007350000-0x00000000073E6000-memory.dmp

Filesize
600KB

Download
memory/4424-49-0x0000000005D80000-0x0000000005D9E000-memory.dmp

Filesize
120KB

Download
memory/4424-81-0x0000000007300000-0x000000000730E000-memory.dmp

Filesize
56KB

Download
memory/4424-82-0x0000000007310000-0x0000000007324000-memory.dmp

Filesize
80KB

Download
memory/4424-23-0x0000000005790000-0x0000000005AE4000-memory.dmp

Filesize
3.3MB

Download
memory/4424-20-0x00000000056B0000-0x0000000005716000-memory.dmp

Filesize
408KB

Download
memory/4424-87-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/4424-21-0x0000000005720000-0x0000000005786000-memory.dmp

Filesize
408KB

Download
memory/4424-19-0x0000000005610000-0x0000000005632000-memory.dmp

Filesize
136KB

Download
memory/4424-18-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/4424-17-0x0000000004FB0000-0x00000000055D8000-memory.dmp

Filesize
6.2MB

Download
memory/4424-15-0x00000000047F0000-0x0000000004826000-memory.dmp

Filesize
216KB

Download