formbook | 39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4

Analysis

max time kernel
149s
max time network
140s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 15:39

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General

Target

Nowezamwieniezakupupdf.exe
Size

2.0MB
MD5

0ff53c4fcc6b65dea0d1883564e08808
SHA1

0d7ef9122a9bca045607f8397c476a24fc2c0553
SHA256

39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4
SHA512

fb47e6cb7a4686fe03c297881aa699a892785c0a8a1e19128d19215ae4e7df26e795c0fdcc12b9cf45b6ffcdb9def11be13eb1097bf04d20062aa6a1ff073dd8
SSDEEP

49152:ufDe+fmH7RRZ1UW84VCyH+4FAGqnx+lg3jszv8u1mlSCg3:ufDQQsKbq

Score

10^/10

formbook gy15 credential_access discovery execution persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gy15

Decoy

hairsdeals.today

acob-saaad.buzz

9955.club

gild6222.vip

nline-shopping-56055.bond

lmadulles.top

utemodels.info

ighdd4675.online

nqqkk146.xyz

avasales.online

ortas-de-madeira.today

haad.xyz

races-dental-splints-15439.bond

hilohcreekpemf.online

rrivalgetaways.info

orktoday-2507-02-sap.click

eceriyayinlari.xyz

lsurfer.click

aston-saaae.buzz

etrot.pro

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2748-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2748-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2748-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2408-25-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3063565911-2056067323-3330884624-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cmd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\YJOPDXEH = "C:\\Program Files (x86)\\Windows Media Player\\wmplayer.exe"	cmd.exe

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
2100	powershell.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\Nowezamwieniezakupupdf = "C:\\Users\\Admin\\Nowezamwieniezakupupdf.exe"	Nowezamwieniezakupupdf.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2508 set thread context of 2748	2508	Nowezamwieniezakupupdf.exe	39
PID 2748 set thread context of 1188	2748	wmplayer.exe	21
PID 2748 set thread context of 1188	2748	wmplayer.exe	21
PID 2408 set thread context of 1188	2408	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 1 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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3063565911-2056067323-3330884624-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2100	powershell.exe
2748	wmplayer.exe
2748	wmplayer.exe
2748	wmplayer.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
2748	wmplayer.exe
2748	wmplayer.exe
2748	wmplayer.exe
2748	wmplayer.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe
2408	cmd.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2508	Nowezamwieniezakupupdf.exe
Token: SeDebugPrivilege	2100	powershell.exe
Token: SeDebugPrivilege	2748	wmplayer.exe
Token: SeDebugPrivilege	2408	cmd.exe

Suspicious use of WriteProcessMemory 53 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2100	2508	Nowezamwieniezakupupdf.exe	31
PID 2508 wrote to memory of 2100	2508	Nowezamwieniezakupupdf.exe	31
PID 2508 wrote to memory of 2100	2508	Nowezamwieniezakupupdf.exe	31
PID 2508 wrote to memory of 2332	2508	Nowezamwieniezakupupdf.exe	33
PID 2508 wrote to memory of 2332	2508	Nowezamwieniezakupupdf.exe	33
PID 2508 wrote to memory of 2332	2508	Nowezamwieniezakupupdf.exe	33
PID 2508 wrote to memory of 2332	2508	Nowezamwieniezakupupdf.exe	33
PID 2508 wrote to memory of 2332	2508	Nowezamwieniezakupupdf.exe	33
PID 2508 wrote to memory of 3028	2508	Nowezamwieniezakupupdf.exe	34
PID 2508 wrote to memory of 3028	2508	Nowezamwieniezakupupdf.exe	34
PID 2508 wrote to memory of 3028	2508	Nowezamwieniezakupupdf.exe	34
PID 2508 wrote to memory of 3028	2508	Nowezamwieniezakupupdf.exe	34
PID 2508 wrote to memory of 3028	2508	Nowezamwieniezakupupdf.exe	34
PID 2508 wrote to memory of 2740	2508	Nowezamwieniezakupupdf.exe	35
PID 2508 wrote to memory of 2740	2508	Nowezamwieniezakupupdf.exe	35
PID 2508 wrote to memory of 2740	2508	Nowezamwieniezakupupdf.exe	35
PID 2508 wrote to memory of 2740	2508	Nowezamwieniezakupupdf.exe	35
PID 2508 wrote to memory of 2740	2508	Nowezamwieniezakupupdf.exe	35
PID 2508 wrote to memory of 2840	2508	Nowezamwieniezakupupdf.exe	36
PID 2508 wrote to memory of 2840	2508	Nowezamwieniezakupupdf.exe	36
PID 2508 wrote to memory of 2840	2508	Nowezamwieniezakupupdf.exe	36
PID 2508 wrote to memory of 2840	2508	Nowezamwieniezakupupdf.exe	36
PID 2508 wrote to memory of 2840	2508	Nowezamwieniezakupupdf.exe	36
PID 2508 wrote to memory of 2840	2508	Nowezamwieniezakupupdf.exe	36
PID 2508 wrote to memory of 2840	2508	Nowezamwieniezakupupdf.exe	36
PID 2508 wrote to memory of 2880	2508	Nowezamwieniezakupupdf.exe	37
PID 2508 wrote to memory of 2880	2508	Nowezamwieniezakupupdf.exe	37
PID 2508 wrote to memory of 2880	2508	Nowezamwieniezakupupdf.exe	37
PID 2508 wrote to memory of 2880	2508	Nowezamwieniezakupupdf.exe	37
PID 2508 wrote to memory of 2880	2508	Nowezamwieniezakupupdf.exe	37
PID 2508 wrote to memory of 2880	2508	Nowezamwieniezakupupdf.exe	37
PID 2508 wrote to memory of 2880	2508	Nowezamwieniezakupupdf.exe	37
PID 2508 wrote to memory of 3032	2508	Nowezamwieniezakupupdf.exe	38
PID 2508 wrote to memory of 3032	2508	Nowezamwieniezakupupdf.exe	38
PID 2508 wrote to memory of 3032	2508	Nowezamwieniezakupupdf.exe	38
PID 2508 wrote to memory of 3032	2508	Nowezamwieniezakupupdf.exe	38
PID 2508 wrote to memory of 3032	2508	Nowezamwieniezakupupdf.exe	38
PID 2508 wrote to memory of 2748	2508	Nowezamwieniezakupupdf.exe	39
PID 2508 wrote to memory of 2748	2508	Nowezamwieniezakupupdf.exe	39
PID 2508 wrote to memory of 2748	2508	Nowezamwieniezakupupdf.exe	39
PID 2508 wrote to memory of 2748	2508	Nowezamwieniezakupupdf.exe	39
PID 2508 wrote to memory of 2748	2508	Nowezamwieniezakupupdf.exe	39
PID 2508 wrote to memory of 2748	2508	Nowezamwieniezakupupdf.exe	39
PID 2508 wrote to memory of 2748	2508	Nowezamwieniezakupupdf.exe	39
PID 1188 wrote to memory of 2408	1188	Explorer.EXE	40
PID 1188 wrote to memory of 2408	1188	Explorer.EXE	40
PID 1188 wrote to memory of 2408	1188	Explorer.EXE	40
PID 1188 wrote to memory of 2408	1188	Explorer.EXE	40
PID 2408 wrote to memory of 808	2408	cmd.exe	42
PID 2408 wrote to memory of 808	2408	cmd.exe	42
PID 2408 wrote to memory of 808	2408	cmd.exe	42
PID 2408 wrote to memory of 808	2408	cmd.exe	42
PID 2408 wrote to memory of 808	2408	cmd.exe	42

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\Nowezamwieniezakupupdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Nowezamwieniezakupupdf.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2508
- - C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:UserProfile
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2100
- - C:\Windows\System32\calc.exe
    "C:\Windows\System32\calc.exe"
    3⤵
    PID:2332
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:3028
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
    3⤵
    PID:2740
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
    3⤵
    PID:2840
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:2880
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe"
    3⤵
    PID:3032
- - C:\Program Files (x86)\Windows Media Player\wmplayer.exe
    "C:\Program Files (x86)\Windows Media Player\wmplayer.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2748
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  - Adds policy Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2408
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scripting

T1064

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\7P9NRRT0\7P9logim.jpeg

Filesize
48KB

MD5
13d9598439ed01598f8cfde422bfc82f

SHA1
8ddb230ffbf23b9434a3ad55349889b64f6a6499

SHA256
b42d64abdee1da4e11f2cd895144c858fd639f6a0f45e27b947513e221cad075

SHA512
30cb46842e04e3c6c4cb7e5feaa1d66b0476e55e83d1aecf1e15d0babc2edb86c6b7ec581c7d47536765e7798cfb73e4c1cf2dd8ae8ecd112947ccf4c1493ae8

Download Submit
C:\Users\Admin\AppData\Roaming\7P9NRRT0\7P9logrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\7P9NRRT0\7P9logri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\7P9NRRT0\7P9logrv.ini

Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/1188-45-0x0000000006F40000-0x0000000007089000-memory.dmp

Filesize
1.3MB

Download
memory/1188-17-0x0000000005250000-0x000000000536B000-memory.dmp

Filesize
1.1MB

Download
memory/1188-22-0x0000000006860000-0x000000000694B000-memory.dmp

Filesize
940KB

Download
memory/1188-41-0x0000000006860000-0x000000000694B000-memory.dmp

Filesize
940KB

Download
memory/1188-19-0x0000000005250000-0x000000000536B000-memory.dmp

Filesize
1.1MB

Download
memory/2100-9-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2100-10-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2100-8-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2100-7-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2100-6-0x0000000001F70000-0x0000000001F78000-memory.dmp

Filesize
32KB

Download
memory/2100-5-0x000000001B5E0000-0x000000001B8C2000-memory.dmp

Filesize
2.9MB

Download
memory/2100-4-0x000007FEF56EE000-0x000007FEF56EF000-memory.dmp

Filesize
4KB

Download
memory/2408-25-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2408-23-0x0000000049E20000-0x0000000049E6C000-memory.dmp

Filesize
304KB

Download
memory/2408-24-0x0000000049E20000-0x0000000049E6C000-memory.dmp

Filesize
304KB

Download
memory/2748-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2748-21-0x0000000000450000-0x0000000000464000-memory.dmp

Filesize
80KB

Download
memory/2748-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2748-16-0x00000000002A0000-0x00000000002B4000-memory.dmp

Filesize
80KB

Download
memory/2748-13-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/2748-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download