formbook | 3392df3301cd09068f6bbc5954adf59a353d8f9411ed6afdf098aa47308d9943

Analysis

max time kernel
146s
max time network
138s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
15-09-2024 01:42

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General

Target

41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe
Size

2.0MB
MD5

af9ec0a3038bbe105c8f81d9f501364b
SHA1

98fbd79c84a99026b01dbdfc9919a30dc0114ff4
SHA256

41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf
SHA512

d75eca2a90e9a79a001c67c42cb9ef32676f4c79e945da1885bf8541cb426007132dfe3d53fd352ad2e8b94155ee20ac473ea71c837f64cbe52479cd455a60a4
SSDEEP

49152:qfDe+fmH7RRZ1UW84VCyH+4FAGqnx+lg3jszQ8u1ejSCg+AbE0:qfDQQsrh8E0

Score

10^/10

formbook kmge credential_access discovery execution persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kmge

Decoy

jia0752d.com

cq0jt.sbs

whimsicalweddingrentals.com

meetsex-here.life

hhe-crv220.com

bedbillionaire.com

soycmo.com

mrawkward.xyz

11ramshornroad.com

motoyonaturals.com

thischicloves.com

gacorbet.pro

ihsanid.com

pancaketurner.com

santanarstore.com

cr3dtv.com

negotools.com

landfillequip.com

sejasuapropriachefe.com

diamant-verkopen.store

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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2720-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2720-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2836-22-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

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
1728	powershell.exe

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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf = "C:\\Users\\Admin\\41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe"	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2300 set thread context of 2720	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	34
PID 2720 set thread context of 1388	2720	wmplayer.exe	20
PID 2836 set thread context of 1388	2836	wininit.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 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	wininit.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1506706701-1246725540-2219210854-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wininit.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1728	powershell.exe
2720	wmplayer.exe
2720	wmplayer.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2720	wmplayer.exe
2720	wmplayer.exe
2720	wmplayer.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe
2836	wininit.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe
Token: SeDebugPrivilege	1728	powershell.exe
Token: SeDebugPrivilege	2720	wmplayer.exe
Token: SeDebugPrivilege	2836	wininit.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 1728	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	30
PID 2300 wrote to memory of 1728	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	30
PID 2300 wrote to memory of 1728	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	30
PID 2300 wrote to memory of 2692	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	32
PID 2300 wrote to memory of 2692	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	32
PID 2300 wrote to memory of 2692	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	32
PID 2300 wrote to memory of 2692	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	32
PID 2300 wrote to memory of 2692	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	32
PID 2300 wrote to memory of 2692	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	32
PID 2300 wrote to memory of 2692	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	32
PID 2300 wrote to memory of 2768	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	33
PID 2300 wrote to memory of 2768	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	33
PID 2300 wrote to memory of 2768	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	33
PID 2300 wrote to memory of 2768	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	33
PID 2300 wrote to memory of 2768	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	33
PID 2300 wrote to memory of 2768	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	33
PID 2300 wrote to memory of 2768	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	33
PID 2300 wrote to memory of 2720	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	34
PID 2300 wrote to memory of 2720	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	34
PID 2300 wrote to memory of 2720	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	34
PID 2300 wrote to memory of 2720	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	34
PID 2300 wrote to memory of 2720	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	34
PID 2300 wrote to memory of 2720	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	34
PID 2300 wrote to memory of 2720	2300	41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe	34
PID 1388 wrote to memory of 2836	1388	Explorer.EXE	35
PID 1388 wrote to memory of 2836	1388	Explorer.EXE	35
PID 1388 wrote to memory of 2836	1388	Explorer.EXE	35
PID 1388 wrote to memory of 2836	1388	Explorer.EXE	35
PID 2836 wrote to memory of 2576	2836	wininit.exe	36
PID 2836 wrote to memory of 2576	2836	wininit.exe	36
PID 2836 wrote to memory of 2576	2836	wininit.exe	36
PID 2836 wrote to memory of 2576	2836	wininit.exe	36
PID 2836 wrote to memory of 2576	2836	wininit.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Users\Admin\AppData\Local\Temp\41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe
  "C:\Users\Admin\AppData\Local\Temp\41ed6a6bb84eb0677d93b85dc94532cbe4736a5cd251f03f0241efc428029caf.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2300
- - 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:1728
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
    3⤵
    PID:2692
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
    3⤵
    PID:2768
- - 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:2720
- C:\Windows\SysWOW64\wininit.exe
  "C:\Windows\SysWOW64\wininit.exe"
  2⤵
  - 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:2836
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

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

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Downloads

C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logim.jpeg

Filesize
73KB

MD5
815b25c10dd1d1301612d2c59147fe37

SHA1
a0156dd9937309ab77d6d72c38e61e7647f14c94

SHA256
9c4fae84f654fdba10c3ff20febbfdd7ff02afe4789a73694b91139e7b7297ad

SHA512
c2ebbb04d75d0b88541f6f5a15db6c84a7bd758dbfe45cc8e60a2b4412eb7ba3a64ab95e53112187637c3195338feee1bc125ea205acd7da891095a3322094c0

Download Submit
C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logrv.ini

Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/1388-31-0x0000000006B90000-0x0000000006C82000-memory.dmp

Filesize
968KB

Download
memory/1388-19-0x00000000043C0000-0x00000000044B2000-memory.dmp

Filesize
968KB

Download
memory/1388-26-0x00000000043C0000-0x00000000044B2000-memory.dmp

Filesize
968KB

Download
memory/1728-9-0x000007FEF6400000-0x000007FEF6D9D000-memory.dmp

Filesize
9.6MB

Download
memory/1728-13-0x000007FEF6400000-0x000007FEF6D9D000-memory.dmp

Filesize
9.6MB

Download
memory/1728-12-0x000007FEF6400000-0x000007FEF6D9D000-memory.dmp

Filesize
9.6MB

Download
memory/1728-4-0x000007FEF66BE000-0x000007FEF66BF000-memory.dmp

Filesize
4KB

Download
memory/1728-10-0x000007FEF6400000-0x000007FEF6D9D000-memory.dmp

Filesize
9.6MB

Download
memory/1728-8-0x000007FEF6400000-0x000007FEF6D9D000-memory.dmp

Filesize
9.6MB

Download
memory/1728-6-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

Filesize
32KB

Download
memory/1728-7-0x000007FEF6400000-0x000007FEF6D9D000-memory.dmp

Filesize
9.6MB

Download
memory/1728-5-0x000000001B5F0000-0x000000001B8D2000-memory.dmp

Filesize
2.9MB

Download
memory/2720-15-0x0000000000A00000-0x0000000000D03000-memory.dmp

Filesize
3.0MB

Download
memory/2720-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2720-18-0x0000000000310000-0x0000000000324000-memory.dmp

Filesize
80KB

Download
memory/2720-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2836-22-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2836-20-0x0000000000FE0000-0x0000000000FFA000-memory.dmp

Filesize
104KB

Download
memory/2836-21-0x0000000000FE0000-0x0000000000FFA000-memory.dmp

Filesize
104KB

Download