formbook | 5a5ecb542145e7b9cc78d7f3d55a3b5d5183b8c5e7fb604c35085485127de7f4

Analysis

max time kernel
146s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-01-2025 17:57

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General

Target

Invocepackinglistpdf.exe
Size

925KB
MD5

6e9319dca3bfbcefce52d8c1ee590b7b
SHA1

80c7c30f95a7821186e8f566c02aea4898e3d190
SHA256

5a5ecb542145e7b9cc78d7f3d55a3b5d5183b8c5e7fb604c35085485127de7f4
SHA512

f4ae7600b94b866bea1935c0d30ee4a7338d1ba1b9b3bec68d2e9bf4afbec57534d882c8d9db03ca5362be48aab6de7009cb832e54306d669ec55884ada50991
SSDEEP

12288:Cd0NmhWSft/ywIYHeRP+cuYWqV/WNyHZGijPSJAjHFHSUw0fedLGL31d8B8dkc9V:w0YhWIBywpUH5bgijq2dPw

Score

10^/10

formbook b02a discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b02a

Decoy

nnovate.host

yrvo.shop

obify.party

55665.one

vlisazouasiul.store

arjohbs.shop

mjsccc5716.shop

nfluencer-marketing-86606.bond

atellite-internet-74549.bond

arehouse-inventory-82506.bond

kanzaturf.net

airbypatrickmcguire.net

90880a15.buzz

ancake888.info

hopcroma.store

usinessloanscanada524285.icu

mdjr.world

9kct.xyz

ombrd.finance

luratu.xyz

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/2604-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2584-28-0x0000000000080000-0x00000000000AF000-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
2236	powershell.exe
3056	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2504 set thread context of 2604	2504	Invocepackinglistpdf.exe	37
PID 2604 set thread context of 1212	2604	RegSvcs.exe	21
PID 2584 set thread context of 1212	2584	svchost.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 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Invocepackinglistpdf.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
2764	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2504	Invocepackinglistpdf.exe
2504	Invocepackinglistpdf.exe
2604	RegSvcs.exe
2236	powershell.exe
3056	powershell.exe
2604	RegSvcs.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe
2584	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2604	RegSvcs.exe
2604	RegSvcs.exe
2604	RegSvcs.exe
2584	svchost.exe
2584	svchost.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	Invocepackinglistpdf.exe
Token: SeDebugPrivilege	2236	powershell.exe
Token: SeDebugPrivilege	3056	powershell.exe
Token: SeDebugPrivilege	2604	RegSvcs.exe
Token: SeDebugPrivilege	2584	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2236	2504	Invocepackinglistpdf.exe	31
PID 2504 wrote to memory of 2236	2504	Invocepackinglistpdf.exe	31
PID 2504 wrote to memory of 2236	2504	Invocepackinglistpdf.exe	31
PID 2504 wrote to memory of 2236	2504	Invocepackinglistpdf.exe	31
PID 2504 wrote to memory of 3056	2504	Invocepackinglistpdf.exe	33
PID 2504 wrote to memory of 3056	2504	Invocepackinglistpdf.exe	33
PID 2504 wrote to memory of 3056	2504	Invocepackinglistpdf.exe	33
PID 2504 wrote to memory of 3056	2504	Invocepackinglistpdf.exe	33
PID 2504 wrote to memory of 2764	2504	Invocepackinglistpdf.exe	35
PID 2504 wrote to memory of 2764	2504	Invocepackinglistpdf.exe	35
PID 2504 wrote to memory of 2764	2504	Invocepackinglistpdf.exe	35
PID 2504 wrote to memory of 2764	2504	Invocepackinglistpdf.exe	35
PID 2504 wrote to memory of 2604	2504	Invocepackinglistpdf.exe	37
PID 2504 wrote to memory of 2604	2504	Invocepackinglistpdf.exe	37
PID 2504 wrote to memory of 2604	2504	Invocepackinglistpdf.exe	37
PID 2504 wrote to memory of 2604	2504	Invocepackinglistpdf.exe	37
PID 2504 wrote to memory of 2604	2504	Invocepackinglistpdf.exe	37
PID 2504 wrote to memory of 2604	2504	Invocepackinglistpdf.exe	37
PID 2504 wrote to memory of 2604	2504	Invocepackinglistpdf.exe	37
PID 2504 wrote to memory of 2604	2504	Invocepackinglistpdf.exe	37
PID 2504 wrote to memory of 2604	2504	Invocepackinglistpdf.exe	37
PID 2504 wrote to memory of 2604	2504	Invocepackinglistpdf.exe	37
PID 1212 wrote to memory of 2584	1212	Explorer.EXE	38
PID 1212 wrote to memory of 2584	1212	Explorer.EXE	38
PID 1212 wrote to memory of 2584	1212	Explorer.EXE	38
PID 1212 wrote to memory of 2584	1212	Explorer.EXE	38
PID 2584 wrote to memory of 2292	2584	svchost.exe	39
PID 2584 wrote to memory of 2292	2584	svchost.exe	39
PID 2584 wrote to memory of 2292	2584	svchost.exe	39
PID 2584 wrote to memory of 2292	2584	svchost.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\Invocepackinglistpdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Invocepackinglistpdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2504
- - 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\Invocepackinglistpdf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2236
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nXFySbbIRNPzW.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3056
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nXFySbbIRNPzW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE3AB.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2764
- - 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:2604
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:2584
- - 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:2292

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\tmpE3AB.tmp

Filesize
1KB

MD5
f45551b2d2f485a37790a009b30a9b83

SHA1
53ebe472273c431dad7dece8b8bc6f236a3f3c08

SHA256
511c7e2380dc66af692a61c7aed86c409ec403f6d034cc8d53212736a0780e41

SHA512
8bc93a2a26e52e00260e0b2df546f67f40a46b6430abbccb67671c6dbeee114088e7be58ddcab025e1455245ec0be1cb72e0826b55da95c850c8f930461f4f10

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

Filesize
7KB

MD5
5044376981cb2c2c3413a01b3d61014f

SHA1
52c3702caee7896bfa2e19c1503689557102f25a

SHA256
758acca1cfe7f1be074ccfdc9e1c20677607acdfd6064df98b3e14ef4c6487a1

SHA512
4f0b020d281c30c59be932f82b20f3431591525552ea565a4d23c507a62b4efa8befb927473acb670869c6a9f09a6cdfbef44c50575aadafd7678f6e11601f65

Download Submit
memory/2504-4-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/2504-25-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2504-0-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/2504-5-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2504-6-0x0000000000A50000-0x0000000000AC8000-memory.dmp

Filesize
480KB

Download
memory/2504-2-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2504-1-0x0000000000C60000-0x0000000000D4E000-memory.dmp

Filesize
952KB

Download
memory/2504-3-0x0000000000430000-0x000000000044E000-memory.dmp

Filesize
120KB

Download
memory/2584-28-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2584-27-0x0000000000AE0000-0x0000000000AE8000-memory.dmp

Filesize
32KB

Download
memory/2604-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2604-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2604-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download