formbook | 94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120

Analysis

max time kernel
150s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-01-2025 12:08

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General

Target

invoice 739.exe
Size

833KB
MD5

cd2719066dc301f9cd5dcbfbf5323508
SHA1

44d580125ff889fa9e8cd169138e72979554497a
SHA256

94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120
SHA512

35e8d8bd070e03ea1c611b85b45800364dd507636a60f37d3282ba55a85af4b5208b9c294c099d72994ad7938b20b8650735a64736a6967e94b376d986ab639e
SSDEEP

24576:3UMoO0sPUYPWt8WhEImRj/q6T6Sfglb/:3UBX8sB+jxC6T6SYlb

Score

10^/10

formbook a01d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a01d

Decoy

eniorshousing05.shop

rywisevas.biz

4726.pizza

itchen-design-42093.bond

3456.tech

4825.plus

nlinecraps.xyz

itamins-52836.bond

nfluencer-marketing-40442.bond

nline-advertising-58573.bond

rautogroups.net

limbtrip.net

oftware-download-14501.bond

nline-advertising-66733.bond

erity.xyz

xknrksi.icu

x-ist.club

yber-security-26409.bond

oincatch.xyz

onitoring-devices-34077.bond

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2884-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2080-29-0x0000000000070000-0x000000000009F000-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
2912	powershell.exe
2848	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2304 set thread context of 2884	2304	invoice 739.exe	35
PID 2884 set thread context of 1192	2884	RegSvcs.exe	20
PID 2080 set thread context of 1192	2080	wscript.exe	20

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	invoice 739.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2804	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2304	invoice 739.exe
2848	powershell.exe
2912	powershell.exe
2304	invoice 739.exe
2884	RegSvcs.exe
2884	RegSvcs.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe
2080	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2884	RegSvcs.exe
2884	RegSvcs.exe
2884	RegSvcs.exe
2080	wscript.exe
2080	wscript.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2304	invoice 739.exe
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeDebugPrivilege	2912	powershell.exe
Token: SeDebugPrivilege	2884	RegSvcs.exe
Token: SeDebugPrivilege	2080	wscript.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2848	2304	invoice 739.exe	29
PID 2304 wrote to memory of 2848	2304	invoice 739.exe	29
PID 2304 wrote to memory of 2848	2304	invoice 739.exe	29
PID 2304 wrote to memory of 2848	2304	invoice 739.exe	29
PID 2304 wrote to memory of 2912	2304	invoice 739.exe	31
PID 2304 wrote to memory of 2912	2304	invoice 739.exe	31
PID 2304 wrote to memory of 2912	2304	invoice 739.exe	31
PID 2304 wrote to memory of 2912	2304	invoice 739.exe	31
PID 2304 wrote to memory of 2804	2304	invoice 739.exe	33
PID 2304 wrote to memory of 2804	2304	invoice 739.exe	33
PID 2304 wrote to memory of 2804	2304	invoice 739.exe	33
PID 2304 wrote to memory of 2804	2304	invoice 739.exe	33
PID 2304 wrote to memory of 2884	2304	invoice 739.exe	35
PID 2304 wrote to memory of 2884	2304	invoice 739.exe	35
PID 2304 wrote to memory of 2884	2304	invoice 739.exe	35
PID 2304 wrote to memory of 2884	2304	invoice 739.exe	35
PID 2304 wrote to memory of 2884	2304	invoice 739.exe	35
PID 2304 wrote to memory of 2884	2304	invoice 739.exe	35
PID 2304 wrote to memory of 2884	2304	invoice 739.exe	35
PID 2304 wrote to memory of 2884	2304	invoice 739.exe	35
PID 2304 wrote to memory of 2884	2304	invoice 739.exe	35
PID 2304 wrote to memory of 2884	2304	invoice 739.exe	35
PID 1192 wrote to memory of 2080	1192	Explorer.EXE	36
PID 1192 wrote to memory of 2080	1192	Explorer.EXE	36
PID 1192 wrote to memory of 2080	1192	Explorer.EXE	36
PID 1192 wrote to memory of 2080	1192	Explorer.EXE	36
PID 2080 wrote to memory of 820	2080	wscript.exe	37
PID 2080 wrote to memory of 820	2080	wscript.exe	37
PID 2080 wrote to memory of 820	2080	wscript.exe	37
PID 2080 wrote to memory of 820	2080	wscript.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\invoice 739.exe
  "C:\Users\Admin\AppData\Local\Temp\invoice 739.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2304
- - 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\invoice 739.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2848
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RDdEdL.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2912
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RDdEdL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp38FB.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2804
- - 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
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2884
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.exe"
  2⤵
  - 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:2080
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:820

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp38FB.tmp

Filesize
1KB

MD5
ad72f1f2b586447c390bd4f33338805c

SHA1
a370648294f7a62ede0ada86598dcbd28ca67a8b

SHA256
5d76c5360b909ea46b3bbc165dd7a2eae3db7fdcfce21b1920217604a2ac454f

SHA512
a94b2a2563290800212a34aea851f0e7b75992754a6ebd3bf09781892a23357467b371ef432ce2d239f7ecc9b3605a880f28dcfc8de963367cb474bd3a26d927

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
ae172b4b6319c19981f59ce89ee1570d

SHA1
2041b8b37968163bad1322e73739c9b2b81a68f1

SHA256
2bf9eaac35edfbed6f379b302e29b4bc68b4f1cfd98a4ee7bbe86bbf4ba13918

SHA512
2f4e6d30e3231caeddee6272af60a6648900ee0da84a881df8bdee727a1c8d63c37f513247329e51f4536b9bd9473beb34386669312a0bf5b979467d9cb5e208

Download Submit
memory/1192-31-0x00000000036E0000-0x00000000037E0000-memory.dmp

Filesize
1024KB

Download
memory/1192-27-0x00000000036E0000-0x00000000037E0000-memory.dmp

Filesize
1024KB

Download
memory/2080-29-0x0000000000070000-0x000000000009F000-memory.dmp

Filesize
188KB

Download
memory/2080-28-0x0000000000140000-0x0000000000166000-memory.dmp

Filesize
152KB

Download
memory/2304-4-0x000000007430E000-0x000000007430F000-memory.dmp

Filesize
4KB

Download
memory/2304-6-0x0000000005160000-0x00000000051DA000-memory.dmp

Filesize
488KB

Download
memory/2304-5-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2304-25-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2304-0-0x000000007430E000-0x000000007430F000-memory.dmp

Filesize
4KB

Download
memory/2304-3-0x0000000000650000-0x000000000066E000-memory.dmp

Filesize
120KB

Download
memory/2304-2-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2304-1-0x0000000000EB0000-0x0000000000F86000-memory.dmp

Filesize
856KB

Download
memory/2884-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2884-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2884-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2884-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download