formbook | 39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4

Analysis

max time kernel
147s
max time network
138s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-09-2024 01:12

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General

Target

39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.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/2876-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2876-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2732-22-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook
behavioral1/memory/2732-24-0x00000000000D0000-0x00000000000FF000-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-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DPWTYLT0VPX = "C:\\Program Files (x86)\\Windows Media Player\\wmplayer.exe"	msiexec.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
2400	powershell.exe

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4 = "C:\\Users\\Admin\\39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe"	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
12	2732	msiexec.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2512 set thread context of 2876	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	37
PID 2876 set thread context of 1180	2876	wmplayer.exe	21
PID 2732 set thread context of 1180	2732	msiexec.exe	21
PID 2732 set thread context of 2744	2732	msiexec.exe	34

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	msiexec.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msiexec.exe

Runs regedit.exe 1 IoCs

pid	Process
2872	regedit.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2400	powershell.exe
2876	wmplayer.exe
2876	wmplayer.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe

Suspicious behavior: MapViewOfSection 9 IoCs

pid	Process
2876	wmplayer.exe
2876	wmplayer.exe
2876	wmplayer.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe
2732	msiexec.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe
Token: SeDebugPrivilege	2400	powershell.exe
Token: SeDebugPrivilege	2876	wmplayer.exe
Token: SeDebugPrivilege	2732	msiexec.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2400	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	31
PID 2512 wrote to memory of 2400	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	31
PID 2512 wrote to memory of 2400	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	31
PID 2512 wrote to memory of 2708	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	33
PID 2512 wrote to memory of 2708	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	33
PID 2512 wrote to memory of 2708	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	33
PID 2512 wrote to memory of 2708	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	33
PID 2512 wrote to memory of 2708	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	33
PID 2512 wrote to memory of 2744	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	34
PID 2512 wrote to memory of 2744	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	34
PID 2512 wrote to memory of 2744	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	34
PID 2512 wrote to memory of 2744	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	34
PID 2512 wrote to memory of 2744	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	34
PID 2512 wrote to memory of 2872	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	35
PID 2512 wrote to memory of 2872	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	35
PID 2512 wrote to memory of 2872	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	35
PID 2512 wrote to memory of 2872	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	35
PID 2512 wrote to memory of 2872	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	35
PID 2512 wrote to memory of 2860	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	36
PID 2512 wrote to memory of 2860	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	36
PID 2512 wrote to memory of 2860	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	36
PID 2512 wrote to memory of 2860	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	36
PID 2512 wrote to memory of 2860	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	36
PID 2512 wrote to memory of 2860	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	36
PID 2512 wrote to memory of 2860	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	36
PID 2512 wrote to memory of 2876	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	37
PID 2512 wrote to memory of 2876	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	37
PID 2512 wrote to memory of 2876	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	37
PID 2512 wrote to memory of 2876	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	37
PID 2512 wrote to memory of 2876	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	37
PID 2512 wrote to memory of 2876	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	37
PID 2512 wrote to memory of 2876	2512	39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe	37
PID 1180 wrote to memory of 2732	1180	Explorer.EXE	38
PID 1180 wrote to memory of 2732	1180	Explorer.EXE	38
PID 1180 wrote to memory of 2732	1180	Explorer.EXE	38
PID 1180 wrote to memory of 2732	1180	Explorer.EXE	38
PID 1180 wrote to memory of 2732	1180	Explorer.EXE	38
PID 1180 wrote to memory of 2732	1180	Explorer.EXE	38
PID 1180 wrote to memory of 2732	1180	Explorer.EXE	38
PID 2732 wrote to memory of 2432	2732	msiexec.exe	40
PID 2732 wrote to memory of 2432	2732	msiexec.exe	40
PID 2732 wrote to memory of 2432	2732	msiexec.exe	40
PID 2732 wrote to memory of 2432	2732	msiexec.exe	40
PID 2732 wrote to memory of 2432	2732	msiexec.exe	40

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Users\Admin\AppData\Local\Temp\39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe
  "C:\Users\Admin\AppData\Local\Temp\39310b37cd28d9a559c63637c4f5e9649cdaef2ccae1269193e141ed50023ae4.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2512
- - 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:2400
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe"
    3⤵
    PID:2708
- - C:\Windows\System32\notepad.exe
    "C:\Windows\System32\notepad.exe"
    3⤵
    PID:2744
- - C:\Windows\regedit.exe
    "C:\Windows\regedit.exe"
    3⤵
    - Runs regedit.exe
    PID:2872
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:2860
- - 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:2876
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - Adds policy Run key to start application
  - Blocklisted process makes network request
  - 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:2732
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2432

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

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\Roaming\7P9NRRT0\7P9logim.jpeg

Filesize
67KB

MD5
2608b50ecda663252644fa952598d312

SHA1
b3feed9ccf214d5cdb9f94cd98b7ce83300151ed

SHA256
65aa8f8c455aae021287538311f14f1aa60e60caaa83c38910082f0e3998a72f

SHA512
5613a73f4ba2fd3402abd1ebe3aad42655703559e984ef43612e0630d624966befde751ccffb67589f8a2a170cfe22d67a6b8d7fe2ae23680d4e7a956cc905ef

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/1180-17-0x0000000004540000-0x0000000004614000-memory.dmp

Filesize
848KB

Download
memory/1180-34-0x0000000005200000-0x00000000052B5000-memory.dmp

Filesize
724KB

Download
memory/1180-28-0x0000000004540000-0x0000000004614000-memory.dmp

Filesize
848KB

Download
memory/2400-10-0x000007FEF5010000-0x000007FEF59AD000-memory.dmp

Filesize
9.6MB

Download
memory/2400-9-0x0000000002A9B000-0x0000000002B02000-memory.dmp

Filesize
412KB

Download
memory/2400-5-0x000000001B6A0000-0x000000001B982000-memory.dmp

Filesize
2.9MB

Download
memory/2400-6-0x00000000023A0000-0x00000000023A8000-memory.dmp

Filesize
32KB

Download
memory/2400-7-0x000007FEF5010000-0x000007FEF59AD000-memory.dmp

Filesize
9.6MB

Download
memory/2400-8-0x0000000002A94000-0x0000000002A97000-memory.dmp

Filesize
12KB

Download
memory/2400-4-0x000007FEF52CE000-0x000007FEF52CF000-memory.dmp

Filesize
4KB

Download
memory/2400-21-0x000007FEF5010000-0x000007FEF59AD000-memory.dmp

Filesize
9.6MB

Download
memory/2732-22-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2732-23-0x0000000000EB0000-0x0000000000EC4000-memory.dmp

Filesize
80KB

Download
memory/2732-24-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2732-18-0x0000000000EB0000-0x0000000000EC4000-memory.dmp

Filesize
80KB

Download
memory/2732-19-0x0000000000EB0000-0x0000000000EC4000-memory.dmp

Filesize
80KB

Download
memory/2876-16-0x0000000000200000-0x0000000000214000-memory.dmp

Filesize
80KB

Download
memory/2876-13-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/2876-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2876-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download