formbook | a24f482ab730f869df283e50edb3b06c1e2a1c598f0a893aebf557e1fa27a84d

Analysis

max time kernel
116s
max time network
108s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
29-08-2024 04:07

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General

Target

112241e320cfd50de0493d2f24910c90N.exe
Size

2.0MB
MD5

112241e320cfd50de0493d2f24910c90
SHA1

6c2e73dba7ce10dee2487d103b8a6354cae8eb6c
SHA256

a24f482ab730f869df283e50edb3b06c1e2a1c598f0a893aebf557e1fa27a84d
SHA512

3557d2ceceb061b5f491e76365142aa1d46845a30147f04410ca9bbef97d64a968e3c58e9238789fc66f999260a9b340ba6357124e8f80b6cfd1aa04d25147eb
SSDEEP

12288:EElNLncaYqWpuPGiPIpyort/9QC2JxEzFo7cWBtrsvZ4zD+XK5CT9PgG7F:XHLncqcBiVCYEzQcCtrsvZ4u6cTv7F

Score

10^/10

formbook kmge credential_access discovery evasion 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

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	112241e320cfd50de0493d2f24910c90N.exe

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 2 IoCs

rat

resource	yara_rule
behavioral1/memory/984-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3040-25-0x0000000000180000-0x00000000001AF000-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
1704	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

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	112241e320cfd50de0493d2f24910c90N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	112241e320cfd50de0493d2f24910c90N.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3008 set thread context of 984	3008	112241e320cfd50de0493d2f24910c90N.exe	36
PID 984 set thread context of 1180	984	wmplayer.exe	21
PID 3040 set thread context of 1180	3040	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-1-5-21-3434294380-2554721341-1919518612-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmd.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
1704	powershell.exe
984	wmplayer.exe
984	wmplayer.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
984	wmplayer.exe
984	wmplayer.exe
984	wmplayer.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe
3040	cmd.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1704	powershell.exe
Token: SeDebugPrivilege	984	wmplayer.exe
Token: SeShutdownPrivilege	1180	Explorer.EXE
Token: SeDebugPrivilege	3040	cmd.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1180	Explorer.EXE

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 1704	3008	112241e320cfd50de0493d2f24910c90N.exe	32
PID 3008 wrote to memory of 1704	3008	112241e320cfd50de0493d2f24910c90N.exe	32
PID 3008 wrote to memory of 1704	3008	112241e320cfd50de0493d2f24910c90N.exe	32
PID 3008 wrote to memory of 1640	3008	112241e320cfd50de0493d2f24910c90N.exe	34
PID 3008 wrote to memory of 1640	3008	112241e320cfd50de0493d2f24910c90N.exe	34
PID 3008 wrote to memory of 1640	3008	112241e320cfd50de0493d2f24910c90N.exe	34
PID 3008 wrote to memory of 1640	3008	112241e320cfd50de0493d2f24910c90N.exe	34
PID 3008 wrote to memory of 2192	3008	112241e320cfd50de0493d2f24910c90N.exe	35
PID 3008 wrote to memory of 2192	3008	112241e320cfd50de0493d2f24910c90N.exe	35
PID 3008 wrote to memory of 2192	3008	112241e320cfd50de0493d2f24910c90N.exe	35
PID 3008 wrote to memory of 2192	3008	112241e320cfd50de0493d2f24910c90N.exe	35
PID 3008 wrote to memory of 2192	3008	112241e320cfd50de0493d2f24910c90N.exe	35
PID 3008 wrote to memory of 984	3008	112241e320cfd50de0493d2f24910c90N.exe	36
PID 3008 wrote to memory of 984	3008	112241e320cfd50de0493d2f24910c90N.exe	36
PID 3008 wrote to memory of 984	3008	112241e320cfd50de0493d2f24910c90N.exe	36
PID 3008 wrote to memory of 984	3008	112241e320cfd50de0493d2f24910c90N.exe	36
PID 3008 wrote to memory of 984	3008	112241e320cfd50de0493d2f24910c90N.exe	36
PID 3008 wrote to memory of 984	3008	112241e320cfd50de0493d2f24910c90N.exe	36
PID 3008 wrote to memory of 984	3008	112241e320cfd50de0493d2f24910c90N.exe	36
PID 3008 wrote to memory of 2804	3008	112241e320cfd50de0493d2f24910c90N.exe	37
PID 3008 wrote to memory of 2804	3008	112241e320cfd50de0493d2f24910c90N.exe	37
PID 3008 wrote to memory of 2804	3008	112241e320cfd50de0493d2f24910c90N.exe	37
PID 1180 wrote to memory of 3040	1180	Explorer.EXE	38
PID 1180 wrote to memory of 3040	1180	Explorer.EXE	38
PID 1180 wrote to memory of 3040	1180	Explorer.EXE	38
PID 1180 wrote to memory of 3040	1180	Explorer.EXE	38
PID 3040 wrote to memory of 2648	3040	cmd.exe	39
PID 3040 wrote to memory of 2648	3040	cmd.exe	39
PID 3040 wrote to memory of 2648	3040	cmd.exe	39
PID 3040 wrote to memory of 2648	3040	cmd.exe	39
PID 3040 wrote to memory of 2648	3040	cmd.exe	39

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	112241e320cfd50de0493d2f24910c90N.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Users\Admin\AppData\Local\Temp\112241e320cfd50de0493d2f24910c90N.exe
  "C:\Users\Admin\AppData\Local\Temp\112241e320cfd50de0493d2f24910c90N.exe"
  2⤵
  - UAC bypass
  - Checks whether UAC is enabled
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:3008
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\112241e320cfd50de0493d2f24910c90N.exe" -Force
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1704
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
    3⤵
    PID:1640
- - C:\Windows\System32\svchost.exe
    "C:\Windows\System32\svchost.exe"
    3⤵
    PID:2192
- - 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:984
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 3008 -s 548
    3⤵
    PID:2804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.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:3040
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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\LK3BNUQ2\LK3logim.jpeg

Filesize
80KB

MD5
2417525de98159efafb1632020549ab7

SHA1
2260a8ff60c8ddc6b19069ac456b62da8a62213b

SHA256
62a60076f9d1178598d8b447cf1889d314ab6c75d8b69d075c075533fb1db020

SHA512
fb46bf51d4a4eec34886ee606eaf3db7887547deb50b4eb26d65139b783662fc2289dac9b4a59cb0ffb32e9133d0d5a72d0af9132108ecf641bec0b6bf519e48

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/984-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/984-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1180-45-0x0000000007670000-0x00000000077CA000-memory.dmp

Filesize
1.4MB

Download
memory/1704-8-0x0000000002A70000-0x0000000002AF0000-memory.dmp

Filesize
512KB

Download
memory/1704-10-0x0000000002390000-0x0000000002398000-memory.dmp

Filesize
32KB

Download
memory/1704-9-0x000000001B690000-0x000000001B972000-memory.dmp

Filesize
2.9MB

Download
memory/2192-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2192-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3008-23-0x000007FEF6563000-0x000007FEF6564000-memory.dmp

Filesize
4KB

Download
memory/3008-24-0x000007FEF6560000-0x000007FEF6F4C000-memory.dmp

Filesize
9.9MB

Download
memory/3008-0-0x000007FEF6563000-0x000007FEF6564000-memory.dmp

Filesize
4KB

Download
memory/3008-3-0x0000000000720000-0x00000000007A6000-memory.dmp

Filesize
536KB

Download
memory/3008-2-0x000007FEF6560000-0x000007FEF6F4C000-memory.dmp

Filesize
9.9MB

Download
memory/3008-1-0x0000000000800000-0x0000000000812000-memory.dmp

Filesize
72KB

Download
memory/3040-22-0x0000000049E50000-0x0000000049E9C000-memory.dmp

Filesize
304KB

Download
memory/3040-25-0x0000000000180000-0x00000000001AF000-memory.dmp

Filesize
188KB

Download