formbook | 8d68ad78eb364b147233b29bbeab6309a47289090ca2672e90fb299a37111f62

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
behavioral2/memory/4060-33-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4060-88-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1888-93-0x00000000004E0000-0x000000000050F000-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
864	powershell.exe
1768	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	NEcFLmCS7qNMwHy.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
37	1888	msiexec.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2864 set thread context of 4060	2864	NEcFLmCS7qNMwHy.exe	94
PID 4060 set thread context of 3476	4060	NEcFLmCS7qNMwHy.exe	56
PID 4060 set thread context of 3476	4060	NEcFLmCS7qNMwHy.exe	56
PID 1888 set thread context of 3476	1888	msiexec.exe	56

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 6 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	NEcFLmCS7qNMwHy.exe
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	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
3156	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2864	NEcFLmCS7qNMwHy.exe
2864	NEcFLmCS7qNMwHy.exe
2864	NEcFLmCS7qNMwHy.exe
864	powershell.exe
1768	powershell.exe
2864	NEcFLmCS7qNMwHy.exe
2864	NEcFLmCS7qNMwHy.exe
2864	NEcFLmCS7qNMwHy.exe
2864	NEcFLmCS7qNMwHy.exe
4060	NEcFLmCS7qNMwHy.exe
4060	NEcFLmCS7qNMwHy.exe
864	powershell.exe
4060	NEcFLmCS7qNMwHy.exe
4060	NEcFLmCS7qNMwHy.exe
1768	powershell.exe
4060	NEcFLmCS7qNMwHy.exe
4060	NEcFLmCS7qNMwHy.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe
1888	msiexec.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4060	NEcFLmCS7qNMwHy.exe
4060	NEcFLmCS7qNMwHy.exe
4060	NEcFLmCS7qNMwHy.exe
4060	NEcFLmCS7qNMwHy.exe
1888	msiexec.exe
1888	msiexec.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2864	NEcFLmCS7qNMwHy.exe
Token: SeDebugPrivilege	864	powershell.exe
Token: SeDebugPrivilege	1768	powershell.exe
Token: SeDebugPrivilege	4060	NEcFLmCS7qNMwHy.exe
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeDebugPrivilege	1888	msiexec.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3476	Explorer.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 864	2864	NEcFLmCS7qNMwHy.exe	86
PID 2864 wrote to memory of 864	2864	NEcFLmCS7qNMwHy.exe	86
PID 2864 wrote to memory of 864	2864	NEcFLmCS7qNMwHy.exe	86
PID 2864 wrote to memory of 1768	2864	NEcFLmCS7qNMwHy.exe	88
PID 2864 wrote to memory of 1768	2864	NEcFLmCS7qNMwHy.exe	88
PID 2864 wrote to memory of 1768	2864	NEcFLmCS7qNMwHy.exe	88
PID 2864 wrote to memory of 3156	2864	NEcFLmCS7qNMwHy.exe	90
PID 2864 wrote to memory of 3156	2864	NEcFLmCS7qNMwHy.exe	90
PID 2864 wrote to memory of 3156	2864	NEcFLmCS7qNMwHy.exe	90
PID 2864 wrote to memory of 2564	2864	NEcFLmCS7qNMwHy.exe	92
PID 2864 wrote to memory of 2564	2864	NEcFLmCS7qNMwHy.exe	92
PID 2864 wrote to memory of 2564	2864	NEcFLmCS7qNMwHy.exe	92
PID 2864 wrote to memory of 2304	2864	NEcFLmCS7qNMwHy.exe	93
PID 2864 wrote to memory of 2304	2864	NEcFLmCS7qNMwHy.exe	93
PID 2864 wrote to memory of 2304	2864	NEcFLmCS7qNMwHy.exe	93
PID 2864 wrote to memory of 4060	2864	NEcFLmCS7qNMwHy.exe	94
PID 2864 wrote to memory of 4060	2864	NEcFLmCS7qNMwHy.exe	94
PID 2864 wrote to memory of 4060	2864	NEcFLmCS7qNMwHy.exe	94
PID 2864 wrote to memory of 4060	2864	NEcFLmCS7qNMwHy.exe	94
PID 2864 wrote to memory of 4060	2864	NEcFLmCS7qNMwHy.exe	94
PID 2864 wrote to memory of 4060	2864	NEcFLmCS7qNMwHy.exe	94
PID 3476 wrote to memory of 1888	3476	Explorer.EXE	95
PID 3476 wrote to memory of 1888	3476	Explorer.EXE	95
PID 3476 wrote to memory of 1888	3476	Explorer.EXE	95
PID 1888 wrote to memory of 4152	1888	msiexec.exe	96
PID 1888 wrote to memory of 4152	1888	msiexec.exe	96
PID 1888 wrote to memory of 4152	1888	msiexec.exe	96

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3476
- C:\Users\Admin\AppData\Local\Temp\NEcFLmCS7qNMwHy.exe
  "C:\Users\Admin\AppData\Local\Temp\NEcFLmCS7qNMwHy.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2864
- - 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:864
- - 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:1768
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WIHIGiLl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8CCF.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3156
- - C:\Users\Admin\AppData\Local\Temp\NEcFLmCS7qNMwHy.exe
    "C:\Users\Admin\AppData\Local\Temp\NEcFLmCS7qNMwHy.exe"
    3⤵
    PID:2564
- - C:\Users\Admin\AppData\Local\Temp\NEcFLmCS7qNMwHy.exe
    "C:\Users\Admin\AppData\Local\Temp\NEcFLmCS7qNMwHy.exe"
    3⤵
    PID:2304
- - C:\Users\Admin\AppData\Local\Temp\NEcFLmCS7qNMwHy.exe
    "C:\Users\Admin\AppData\Local\Temp\NEcFLmCS7qNMwHy.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4060
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - Blocklisted process makes network request
  - 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:1888
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\NEcFLmCS7qNMwHy.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4152

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

Query Registry

T1012

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\Local\Temp\__PSScriptPolicyTest_cshizs5v.s2b.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8CCF.tmp

Filesize
1KB

MD5
15b4876ea1292c8b4aaaa6eb66eae61d

SHA1
a01f9791128c2f590cf08cc9ac145d41e331a54a

SHA256
b2f8d38955aac42eec02b8fba8bf9f7cd97679a0a86427a52ee19f2fa274b050

SHA512
22a621b58462567952ec81fce841a112f0d452063182aaaf32a1defda05bae3a4dc0f8780d6ff22ded1926c93c7708a7137db281b3ed8224a755b5ba682c4333

Download Submit
memory/864-50-0x0000000006790000-0x00000000067AE000-memory.dmp

Filesize
120KB

Download
memory/864-27-0x00000000061C0000-0x0000000006514000-memory.dmp

Filesize
3.3MB

Download
memory/864-78-0x0000000007D40000-0x0000000007DD6000-memory.dmp

Filesize
600KB

Download
memory/864-74-0x0000000007760000-0x0000000007803000-memory.dmp

Filesize
652KB

Download
memory/864-64-0x0000000074DA0000-0x0000000074DEC000-memory.dmp

Filesize
304KB

Download
memory/864-51-0x0000000006820000-0x000000000686C000-memory.dmp

Filesize
304KB

Download
memory/864-83-0x0000000007DE0000-0x0000000007DE8000-memory.dmp

Filesize
32KB

Download
memory/864-23-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/864-86-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/864-79-0x0000000007CC0000-0x0000000007CD1000-memory.dmp

Filesize
68KB

Download
memory/864-16-0x0000000002E90000-0x0000000002EC6000-memory.dmp

Filesize
216KB

Download
memory/864-18-0x0000000005B90000-0x00000000061B8000-memory.dmp

Filesize
6.2MB

Download
memory/864-17-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/864-19-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/864-20-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/864-24-0x00000000059F0000-0x0000000005A56000-memory.dmp

Filesize
408KB

Download
memory/864-22-0x00000000058E0000-0x0000000005902000-memory.dmp

Filesize
136KB

Download
memory/1768-26-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/1768-82-0x00000000075C0000-0x00000000075DA000-memory.dmp

Filesize
104KB

Download
memory/1768-87-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/1768-21-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/1768-81-0x00000000074C0000-0x00000000074D4000-memory.dmp

Filesize
80KB

Download
memory/1768-80-0x00000000074B0000-0x00000000074BE000-memory.dmp

Filesize
56KB

Download
memory/1768-77-0x00000000072F0000-0x00000000072FA000-memory.dmp

Filesize
40KB

Download
memory/1768-76-0x0000000007280000-0x000000000729A000-memory.dmp

Filesize
104KB

Download
memory/1768-75-0x00000000078C0000-0x0000000007F3A000-memory.dmp

Filesize
6.5MB

Download
memory/1768-63-0x0000000006500000-0x000000000651E000-memory.dmp

Filesize
120KB

Download
memory/1768-53-0x0000000074DA0000-0x0000000074DEC000-memory.dmp

Filesize
304KB

Download
memory/1768-52-0x0000000006520000-0x0000000006552000-memory.dmp

Filesize
200KB

Download
memory/1888-89-0x0000000000DE0000-0x0000000000DF2000-memory.dmp

Filesize
72KB

Download
memory/1888-93-0x00000000004E0000-0x000000000050F000-memory.dmp

Filesize
188KB

Download
memory/1888-90-0x0000000000DE0000-0x0000000000DF2000-memory.dmp

Filesize
72KB

Download
memory/1888-92-0x0000000000DE0000-0x0000000000DF2000-memory.dmp

Filesize
72KB

Download
memory/2864-0-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download
memory/2864-2-0x0000000007A50000-0x0000000007AEA000-memory.dmp

Filesize
616KB

Download
memory/2864-4-0x000000000AE90000-0x000000000AF22000-memory.dmp

Filesize
584KB

Download
memory/2864-3-0x000000000B2A0000-0x000000000B844000-memory.dmp

Filesize
5.6MB

Download
memory/2864-48-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/2864-10-0x0000000006520000-0x0000000006536000-memory.dmp

Filesize
88KB

Download
memory/2864-7-0x0000000005920000-0x00000000059BC000-memory.dmp

Filesize
624KB

Download
memory/2864-6-0x00000000056D0000-0x00000000056DA000-memory.dmp

Filesize
40KB

Download
memory/2864-1-0x0000000000AE0000-0x0000000000BA8000-memory.dmp

Filesize
800KB

Download
memory/2864-11-0x0000000006970000-0x00000000069E6000-memory.dmp

Filesize
472KB

Download
memory/2864-5-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/2864-9-0x0000000006510000-0x000000000651E000-memory.dmp

Filesize
56KB

Download
memory/2864-8-0x00000000064E0000-0x00000000064FA000-memory.dmp

Filesize
104KB

Download
memory/3476-96-0x00000000089A0000-0x0000000008A5E000-memory.dmp

Filesize
760KB

Download
memory/4060-88-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4060-33-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download