formbook | 73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430

Analysis

max time kernel
148s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-01-2025 02:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
Size

650KB
MD5

d3b75622f7855cdb9f3eb8deaa37f75b
SHA1

6703d2b4e4f9c32224b9aae4a9c5a96844275de0
SHA256

73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430
SHA512

7e44ef7e8f50073083a161be1c80ffbeae7449273e08e64f0b7069abf8210a7c3d8d26a3164fe7540bb0c8105cf124cf61421c67c1fc68b1bd39a346a000b31c
SSDEEP

12288:+nApngDxqg/9CUfvN7uGDJHD8aHQHtpIKzTHucl7Xbqold4tpMRM:+n2ngcI9TfF7uGpDhHQNWK3VlLd4p

Score

10^/10

formbook a02d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a02d

Decoy

coplus.market

oofing-jobs-74429.bond

healchemists.xyz

oofcarpenternearme-jp.xyz

enewebsolutions.online

harepoint.legal

88977.club

omptables.xyz

eat-pumps-31610.bond

endown.graphics

amsexgirls.website

ovevibes.xyz

u-thiensu.online

yblinds.xyz

rumpchiefofstaff.store

erzog.fun

rrm.lat

agiclime.pro

agaviet59.shop

lbdoanhnhan.net

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2912-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2912-28-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/640-30-0x0000000000080000-0x00000000000AF000-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
1736	powershell.exe
584	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2028 set thread context of 2912	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	39
PID 2912 set thread context of 1172	2912	RegSvcs.exe	21
PID 2912 set thread context of 1172	2912	RegSvcs.exe	21
PID 640 set thread context of 1172	640	wlanext.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	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.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	RegSvcs.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
2792	schtasks.exe

Suspicious behavior: EnumeratesProcesses 35 IoCs

pid	Process
2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
1736	powershell.exe
584	powershell.exe
2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
2912	RegSvcs.exe
2912	RegSvcs.exe
2912	RegSvcs.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe
640	wlanext.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2912	RegSvcs.exe
2912	RegSvcs.exe
2912	RegSvcs.exe
2912	RegSvcs.exe
640	wlanext.exe
640	wlanext.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
Token: SeDebugPrivilege	1736	powershell.exe
Token: SeDebugPrivilege	584	powershell.exe
Token: SeDebugPrivilege	2912	RegSvcs.exe
Token: SeDebugPrivilege	640	wlanext.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1736	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	31
PID 2028 wrote to memory of 1736	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	31
PID 2028 wrote to memory of 1736	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	31
PID 2028 wrote to memory of 1736	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	31
PID 2028 wrote to memory of 584	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	33
PID 2028 wrote to memory of 584	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	33
PID 2028 wrote to memory of 584	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	33
PID 2028 wrote to memory of 584	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	33
PID 2028 wrote to memory of 2792	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	35
PID 2028 wrote to memory of 2792	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	35
PID 2028 wrote to memory of 2792	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	35
PID 2028 wrote to memory of 2792	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	35
PID 2028 wrote to memory of 2616	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	37
PID 2028 wrote to memory of 2616	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	37
PID 2028 wrote to memory of 2616	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	37
PID 2028 wrote to memory of 2616	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	37
PID 2028 wrote to memory of 2616	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	37
PID 2028 wrote to memory of 2616	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	37
PID 2028 wrote to memory of 2616	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	37
PID 2028 wrote to memory of 2840	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	38
PID 2028 wrote to memory of 2840	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	38
PID 2028 wrote to memory of 2840	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	38
PID 2028 wrote to memory of 2840	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	38
PID 2028 wrote to memory of 2840	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	38
PID 2028 wrote to memory of 2840	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	38
PID 2028 wrote to memory of 2840	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	38
PID 2028 wrote to memory of 2912	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	39
PID 2028 wrote to memory of 2912	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	39
PID 2028 wrote to memory of 2912	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	39
PID 2028 wrote to memory of 2912	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	39
PID 2028 wrote to memory of 2912	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	39
PID 2028 wrote to memory of 2912	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	39
PID 2028 wrote to memory of 2912	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	39
PID 2028 wrote to memory of 2912	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	39
PID 2028 wrote to memory of 2912	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	39
PID 2028 wrote to memory of 2912	2028	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	39
PID 2912 wrote to memory of 640	2912	RegSvcs.exe	40
PID 2912 wrote to memory of 640	2912	RegSvcs.exe	40
PID 2912 wrote to memory of 640	2912	RegSvcs.exe	40
PID 2912 wrote to memory of 640	2912	RegSvcs.exe	40
PID 640 wrote to memory of 1684	640	wlanext.exe	41
PID 640 wrote to memory of 1684	640	wlanext.exe	41
PID 640 wrote to memory of 1684	640	wlanext.exe	41
PID 640 wrote to memory of 1684	640	wlanext.exe	41

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1172
- C:\Users\Admin\AppData\Local\Temp\73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
  "C:\Users\Admin\AppData\Local\Temp\73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2028
- - 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\73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1736
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fGhkfgbyw.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:584
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fGhkfgbyw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA1E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2792
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2616
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2840
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:2912
  - - C:\Windows\SysWOW64\wlanext.exe
      "C:\Windows\SysWOW64\wlanext.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:640
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1684

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA1E.tmp

Filesize
1KB

MD5
b65b1486d810e7bd53fdedef721d4438

SHA1
0e34e632c9cc1697697c64fe9fff29962245809c

SHA256
d17114f3487f4852e6498635dac1e7346098c048073ec36c5cbd412541cfdf4c

SHA512
4b6d4798f9a43ea576caec1750b33ccbf9b42f5da30c253ef96a00d8c2d54179550439517d0c55f2f0cf22b8c4cfeb71268a3f2100bff1484c2d23dae0d16c4e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6JWHF7O9VT7O4RGOHSV2.temp

Filesize
7KB

MD5
20bea5061f43ff32642efa0a315bd179

SHA1
1832f4406a2fcdcf21b1edab1691d47dc505ad43

SHA256
6d990b26f2cc778e60efc9537a94b9fac148e70249f76ba9b8c1a93315ad9e17

SHA512
2ac48acd68e14700eb71d576a9d9974e5818f39f969691f2ee6281c07f2fbd782d086956a52f8b9aa7a33b3fb898aee29a6459304f8f5f77e2a4023b18e452a3

Download Submit
memory/640-30-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/640-29-0x0000000000E50000-0x0000000000E66000-memory.dmp

Filesize
88KB

Download
memory/2028-4-0x0000000000990000-0x00000000009AA000-memory.dmp

Filesize
104KB

Download
memory/2028-26-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2028-6-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2028-7-0x0000000004BE0000-0x0000000004C58000-memory.dmp

Filesize
480KB

Download
memory/2028-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2028-2-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2028-1-0x0000000000CA0000-0x0000000000D48000-memory.dmp

Filesize
672KB

Download
memory/2028-3-0x00000000048D0000-0x000000000496E000-memory.dmp

Filesize
632KB

Download
memory/2028-5-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2912-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2912-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2912-28-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2912-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2912-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download