formbook | 8d68ad78eb364b147233b29bbeab6309a47289090ca2672e90fb299a37111f62

Analysis

max time kernel
147s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-08-2024 07:08

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General

Target

NEcFLmCS7qNMwHy.exe
Size

783KB
MD5

9b27789c9feb9bddebfee2519a9b64d7
SHA1

36dbadc4856937b197e467a7ef8ccbfb329d19bb
SHA256

8d68ad78eb364b147233b29bbeab6309a47289090ca2672e90fb299a37111f62
SHA512

bbb60df42f05faa819644b8204ac02dfcbb0d3a76ff956518ae3803084a6454d42c7f3df1d118e7ae8437eae03586ca27c666a3dcadecd048328632936aa0e5f
SSDEEP

24576:KP9a8MbV6y2KYpA5IM8UCC4DIyNm3Czh17:9bVOhUEMov

Score

10^/10

formbook ps15 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ps15

Decoy

57797.asia

jhpwt.net

basketballdrillsforkids.com

zgzf6.rest

casinomaxnodepositbonus.icu

uptocryptonews.com

gomenasorry.com

fortanix.space

stripscity.xyz

genbotdiy.xyz

mayson-wedding.com

neb-hub.net

seancollinsmusic.com

migraine-treatment-57211.bond

prosperawoman.info

tradefairleads.tech

xn--yeminlitercme-6ob.com

xwaveevent.com

fashiontrendshub.xyz

window-replacement-80823.bond

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/2628-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2628-28-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2520-32-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2436	powershell.exe
1572	powershell.exe

Deletes itself 1 IoCs

pid	Process
2396	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1604 set thread context of 2628	1604	NEcFLmCS7qNMwHy.exe	34
PID 2628 set thread context of 1244	2628	NEcFLmCS7qNMwHy.exe	21
PID 2628 set thread context of 1244	2628	NEcFLmCS7qNMwHy.exe	21
PID 2520 set thread context of 1244	2520	msiexec.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 7 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NEcFLmCS7qNMwHy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NEcFLmCS7qNMwHy.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2420	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
1604	NEcFLmCS7qNMwHy.exe
1604	NEcFLmCS7qNMwHy.exe
2436	powershell.exe
1572	powershell.exe
2628	NEcFLmCS7qNMwHy.exe
2628	NEcFLmCS7qNMwHy.exe
2628	NEcFLmCS7qNMwHy.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe
2520	msiexec.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2628	NEcFLmCS7qNMwHy.exe
2628	NEcFLmCS7qNMwHy.exe
2628	NEcFLmCS7qNMwHy.exe
2628	NEcFLmCS7qNMwHy.exe
2520	msiexec.exe
2520	msiexec.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1604	NEcFLmCS7qNMwHy.exe
Token: SeDebugPrivilege	2436	powershell.exe
Token: SeDebugPrivilege	1572	powershell.exe
Token: SeDebugPrivilege	2628	NEcFLmCS7qNMwHy.exe
Token: SeDebugPrivilege	2520	msiexec.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 2436	1604	NEcFLmCS7qNMwHy.exe	28
PID 1604 wrote to memory of 2436	1604	NEcFLmCS7qNMwHy.exe	28
PID 1604 wrote to memory of 2436	1604	NEcFLmCS7qNMwHy.exe	28
PID 1604 wrote to memory of 2436	1604	NEcFLmCS7qNMwHy.exe	28
PID 1604 wrote to memory of 1572	1604	NEcFLmCS7qNMwHy.exe	30
PID 1604 wrote to memory of 1572	1604	NEcFLmCS7qNMwHy.exe	30
PID 1604 wrote to memory of 1572	1604	NEcFLmCS7qNMwHy.exe	30
PID 1604 wrote to memory of 1572	1604	NEcFLmCS7qNMwHy.exe	30
PID 1604 wrote to memory of 2420	1604	NEcFLmCS7qNMwHy.exe	32
PID 1604 wrote to memory of 2420	1604	NEcFLmCS7qNMwHy.exe	32
PID 1604 wrote to memory of 2420	1604	NEcFLmCS7qNMwHy.exe	32
PID 1604 wrote to memory of 2420	1604	NEcFLmCS7qNMwHy.exe	32
PID 1604 wrote to memory of 2628	1604	NEcFLmCS7qNMwHy.exe	34
PID 1604 wrote to memory of 2628	1604	NEcFLmCS7qNMwHy.exe	34
PID 1604 wrote to memory of 2628	1604	NEcFLmCS7qNMwHy.exe	34
PID 1604 wrote to memory of 2628	1604	NEcFLmCS7qNMwHy.exe	34
PID 1604 wrote to memory of 2628	1604	NEcFLmCS7qNMwHy.exe	34
PID 1604 wrote to memory of 2628	1604	NEcFLmCS7qNMwHy.exe	34
PID 1604 wrote to memory of 2628	1604	NEcFLmCS7qNMwHy.exe	34
PID 2628 wrote to memory of 2520	2628	NEcFLmCS7qNMwHy.exe	37
PID 2628 wrote to memory of 2520	2628	NEcFLmCS7qNMwHy.exe	37
PID 2628 wrote to memory of 2520	2628	NEcFLmCS7qNMwHy.exe	37
PID 2628 wrote to memory of 2520	2628	NEcFLmCS7qNMwHy.exe	37
PID 2628 wrote to memory of 2520	2628	NEcFLmCS7qNMwHy.exe	37
PID 2628 wrote to memory of 2520	2628	NEcFLmCS7qNMwHy.exe	37
PID 2628 wrote to memory of 2520	2628	NEcFLmCS7qNMwHy.exe	37
PID 2520 wrote to memory of 2396	2520	msiexec.exe	38
PID 2520 wrote to memory of 2396	2520	msiexec.exe	38
PID 2520 wrote to memory of 2396	2520	msiexec.exe	38
PID 2520 wrote to memory of 2396	2520	msiexec.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1244
- C:\Users\Admin\AppData\Local\Temp\NEcFLmCS7qNMwHy.exe
  "C:\Users\Admin\AppData\Local\Temp\NEcFLmCS7qNMwHy.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1604
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\NEcFLmCS7qNMwHy.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2436
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WIHIGiLl.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1572
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WIHIGiLl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBC2E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2420
- - C:\Users\Admin\AppData\Local\Temp\NEcFLmCS7qNMwHy.exe
    "C:\Users\Admin\AppData\Local\Temp\NEcFLmCS7qNMwHy.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2628
  - - C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2520
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\NEcFLmCS7qNMwHy.exe"
        5⤵
        Deletes itself
        System Location Discovery: System Language Discovery
        
        PID:2396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

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\Local\Temp\tmpBC2E.tmp

Filesize
1KB

MD5
e75c6cb51ca0badd57fd7fee3d0f864a

SHA1
029a2413d6814ae28fa94340d5d5cf877f1fe05b

SHA256
362fb7072387afe7f7cce73ea1c79ed18f466ceda0eb082afd9656d19e79427d

SHA512
f38283876965b945e5f0f5c47130816b331012cb289682f93d891b9bac4baf87c7c61b1bfad423cb3cbfd929e0f99363b9be7bf0a78816e3fcc06716e2c5b4e2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\96PWMDSRRYPYRKEBMK94.temp

Filesize
7KB

MD5
ed7b3fb6dd77109e93f42f0e4c567be4

SHA1
ea6c94d670e2649dd9cdf2c5de213109ee8fb505

SHA256
681e9849231c4f7800943c18b04b63e860423c3a96ba7a2c63b4b6730c87df13

SHA512
41cb2ab7a66ca3abcf3b99e8b00bd53c0cf5b3c0adaffc9340e7086b588dc602cf63bdec1818dfe1f49157d7cb0f404a4ad6e54521d0e67cb853d0fa8ec30ced

Download Submit
memory/1604-4-0x00000000009D0000-0x00000000009EA000-memory.dmp

Filesize
104KB

Download
memory/1604-26-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/1604-0-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/1604-5-0x00000000009F0000-0x00000000009FE000-memory.dmp

Filesize
56KB

Download
memory/1604-6-0x0000000000A00000-0x0000000000A16000-memory.dmp

Filesize
88KB

Download
memory/1604-7-0x00000000056E0000-0x0000000005756000-memory.dmp

Filesize
472KB

Download
memory/1604-2-0x0000000006CA0000-0x0000000006D3A000-memory.dmp

Filesize
616KB

Download
memory/1604-1-0x0000000000C50000-0x0000000000D18000-memory.dmp

Filesize
800KB

Download
memory/1604-3-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-29-0x00000000005D0000-0x00000000005E4000-memory.dmp

Filesize
80KB

Download
memory/2520-31-0x00000000005D0000-0x00000000005E4000-memory.dmp

Filesize
80KB

Download
memory/2520-32-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/2628-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2628-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2628-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2628-28-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download