formbook | 449b420eee40904b0196acfaaaa7e7f2d6016c4490b7cdee4ec99a1bfd300b36

Analysis

max time kernel
300s
max time network
282s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-09-2024 08:14

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General

Target

28092024_0814_26092024_cotización pdf.exe
Size

1.6MB
MD5

519ab1c94ac812416544cffb1dba0ff6
SHA1

19b2be0e160f41d59744c886b39c9c8583ad6993
SHA256

e4247c7d552dd305606a2e6eb656dff526199c4afc9b46e00e957bc122444604
SHA512

ce10933d68f56241e5ee0a2b232376dda8cad05e06a1ae15ff91fd07e079a007941001f5c0880ff13bb8d51fed72d9e5bbd1a2733448aa902b1356819fd2cc75
SSDEEP

49152:sAodtaG9kS2U84B+FLan9k5TRM9zlpVjmi84:c/B1h

Score

10^/10

formbook kmge discovery execution 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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2684-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2684-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2692-23-0x0000000000080000-0x00000000000AF000-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
2736	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1964 set thread context of 2684	1964	28092024_0814_26092024_cotización pdf.exe	33
PID 2684 set thread context of 1268	2684	wmplayer.exe	21
PID 2692 set thread context of 1268	2692	raserver.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	raserver.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2736	powershell.exe
2684	wmplayer.exe
2684	wmplayer.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2684	wmplayer.exe
2684	wmplayer.exe
2684	wmplayer.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe
2692	raserver.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1964	28092024_0814_26092024_cotización pdf.exe
Token: SeDebugPrivilege	2736	powershell.exe
Token: SeDebugPrivilege	2684	wmplayer.exe
Token: SeDebugPrivilege	2692	raserver.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2736	1964	28092024_0814_26092024_cotización pdf.exe	31
PID 1964 wrote to memory of 2736	1964	28092024_0814_26092024_cotización pdf.exe	31
PID 1964 wrote to memory of 2736	1964	28092024_0814_26092024_cotización pdf.exe	31
PID 1964 wrote to memory of 2684	1964	28092024_0814_26092024_cotización pdf.exe	33
PID 1964 wrote to memory of 2684	1964	28092024_0814_26092024_cotización pdf.exe	33
PID 1964 wrote to memory of 2684	1964	28092024_0814_26092024_cotización pdf.exe	33
PID 1964 wrote to memory of 2684	1964	28092024_0814_26092024_cotización pdf.exe	33
PID 1964 wrote to memory of 2684	1964	28092024_0814_26092024_cotización pdf.exe	33
PID 1964 wrote to memory of 2684	1964	28092024_0814_26092024_cotización pdf.exe	33
PID 1964 wrote to memory of 2684	1964	28092024_0814_26092024_cotización pdf.exe	33
PID 1268 wrote to memory of 2692	1268	Explorer.EXE	34
PID 1268 wrote to memory of 2692	1268	Explorer.EXE	34
PID 1268 wrote to memory of 2692	1268	Explorer.EXE	34
PID 1268 wrote to memory of 2692	1268	Explorer.EXE	34
PID 2692 wrote to memory of 1748	2692	raserver.exe	35
PID 2692 wrote to memory of 1748	2692	raserver.exe	35
PID 2692 wrote to memory of 1748	2692	raserver.exe	35
PID 2692 wrote to memory of 1748	2692	raserver.exe	35
PID 2692 wrote to memory of 1748	2692	raserver.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Users\Admin\AppData\Local\Temp\28092024_0814_26092024_cotización pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\28092024_0814_26092024_cotización pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1964
- - 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:2736
- - 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:2684
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:2692
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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\Roaming\LK3BNUQ2\LK3logim.jpeg

Filesize
65KB

MD5
bf04acf83c87caa486df5bac17af4d1d

SHA1
7f10a3a6e815bee655fce71eb3b431a5019f11e1

SHA256
9d6e2c080a5ac4eac6efd8af6d0dcede14c7fbb82e68cdff2c308ef51e12297a

SHA512
328b683360a996dc24a4721a884eeae09a0ca4bc22789f844a7e93fe45b0b9b4847d9569d973f7e4d1feda35babb1c8ba1b5d5ba2283d7515a4fc2fd93fba3ad

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/1268-33-0x0000000007430000-0x0000000007560000-memory.dmp

Filesize
1.2MB

Download
memory/1268-28-0x0000000009780000-0x0000000009909000-memory.dmp

Filesize
1.5MB

Download
memory/1268-19-0x0000000009780000-0x0000000009909000-memory.dmp

Filesize
1.5MB

Download
memory/2684-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2684-18-0x0000000000150000-0x0000000000164000-memory.dmp

Filesize
80KB

Download
memory/2684-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2684-15-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download
memory/2692-22-0x00000000009E0000-0x00000000009FC000-memory.dmp

Filesize
112KB

Download
memory/2692-21-0x00000000009E0000-0x00000000009FC000-memory.dmp

Filesize
112KB

Download
memory/2692-23-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2736-14-0x00000000027C0000-0x0000000002840000-memory.dmp

Filesize
512KB

Download
memory/2736-20-0x000007FEF4E80000-0x000007FEF581D000-memory.dmp

Filesize
9.6MB

Download
memory/2736-4-0x000007FEF513E000-0x000007FEF513F000-memory.dmp

Filesize
4KB

Download
memory/2736-12-0x000007FEF4E80000-0x000007FEF581D000-memory.dmp

Filesize
9.6MB

Download
memory/2736-9-0x000007FEF4E80000-0x000007FEF581D000-memory.dmp

Filesize
9.6MB

Download
memory/2736-8-0x000007FEF4E80000-0x000007FEF581D000-memory.dmp

Filesize
9.6MB

Download
memory/2736-7-0x000007FEF4E80000-0x000007FEF581D000-memory.dmp

Filesize
9.6MB

Download
memory/2736-6-0x0000000002790000-0x0000000002798000-memory.dmp

Filesize
32KB

Download
memory/2736-5-0x000000001B660000-0x000000001B942000-memory.dmp

Filesize
2.9MB

Download