formbook | 837241ffaca6ebcc138bce77721cefab9d28680023784cf7279ff1151664cc97

Analysis

max time kernel
147s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-01-2025 06:05

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General

Target

payment.exe
Size

707KB
MD5

23abe3c84b5db078cf92723357670b30
SHA1

ed9dd2816ee1f01252f0221e1bf717a531440475
SHA256

7a4b80b6d3ea4ca73224197f7d85d763dd953826978cdc30c6e75fb298cfb5ab
SHA512

cab42f389efe9faee486d58d31684d79fd7a3f42c0cee5125f4e6b0dd4d72aa94f97cca167eeb42612363cad9679f21a2986cb97a7673d2266cdf05b7b4c3eb6
SSDEEP

12288:TF0dkI8Xp4gnV2v8gWfRhkMpCof0xrQ53Ms8a+U/gSaE55BO3Uug1o474q7:TudexQ8PfLJRf0FQ53S1NSHjzuU+

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/2748-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2628-29-0x0000000000080000-0x00000000000AF000-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
2432	powershell.exe
2844	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2120 set thread context of 2748	2120	payment.exe	37
PID 2748 set thread context of 1196	2748	RegSvcs.exe	21
PID 2628 set thread context of 1196	2628	NAPSTAT.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NAPSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	payment.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
2884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2120	payment.exe
2844	powershell.exe
2432	powershell.exe
2748	RegSvcs.exe
2120	payment.exe
2748	RegSvcs.exe
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2748	RegSvcs.exe
2748	RegSvcs.exe
2748	RegSvcs.exe
2628	NAPSTAT.EXE
2628	NAPSTAT.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2120	payment.exe
Token: SeDebugPrivilege	2844	powershell.exe
Token: SeDebugPrivilege	2432	powershell.exe
Token: SeDebugPrivilege	2748	RegSvcs.exe
Token: SeDebugPrivilege	2628	NAPSTAT.EXE

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2432	2120	payment.exe	31
PID 2120 wrote to memory of 2432	2120	payment.exe	31
PID 2120 wrote to memory of 2432	2120	payment.exe	31
PID 2120 wrote to memory of 2432	2120	payment.exe	31
PID 2120 wrote to memory of 2844	2120	payment.exe	33
PID 2120 wrote to memory of 2844	2120	payment.exe	33
PID 2120 wrote to memory of 2844	2120	payment.exe	33
PID 2120 wrote to memory of 2844	2120	payment.exe	33
PID 2120 wrote to memory of 2884	2120	payment.exe	34
PID 2120 wrote to memory of 2884	2120	payment.exe	34
PID 2120 wrote to memory of 2884	2120	payment.exe	34
PID 2120 wrote to memory of 2884	2120	payment.exe	34
PID 2120 wrote to memory of 2748	2120	payment.exe	37
PID 2120 wrote to memory of 2748	2120	payment.exe	37
PID 2120 wrote to memory of 2748	2120	payment.exe	37
PID 2120 wrote to memory of 2748	2120	payment.exe	37
PID 2120 wrote to memory of 2748	2120	payment.exe	37
PID 2120 wrote to memory of 2748	2120	payment.exe	37
PID 2120 wrote to memory of 2748	2120	payment.exe	37
PID 2120 wrote to memory of 2748	2120	payment.exe	37
PID 2120 wrote to memory of 2748	2120	payment.exe	37
PID 2120 wrote to memory of 2748	2120	payment.exe	37
PID 1196 wrote to memory of 2628	1196	Explorer.EXE	38
PID 1196 wrote to memory of 2628	1196	Explorer.EXE	38
PID 1196 wrote to memory of 2628	1196	Explorer.EXE	38
PID 1196 wrote to memory of 2628	1196	Explorer.EXE	38
PID 2628 wrote to memory of 1664	2628	NAPSTAT.EXE	39
PID 2628 wrote to memory of 1664	2628	NAPSTAT.EXE	39
PID 2628 wrote to memory of 1664	2628	NAPSTAT.EXE	39
PID 2628 wrote to memory of 1664	2628	NAPSTAT.EXE	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\payment.exe
  "C:\Users\Admin\AppData\Local\Temp\payment.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2120
- - 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\payment.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2432
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cieYBQwi.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2844
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cieYBQwi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDF38.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2884
- - 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:2748
- C:\Windows\SysWOW64\NAPSTAT.EXE
  "C:\Windows\SysWOW64\NAPSTAT.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:2628
- - 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:1664

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\tmpDF38.tmp

Filesize
1KB

MD5
4f81d985c2fb9a7993c87aa7e913b4d6

SHA1
77b20e5c2b7269003c98d7a55a5943d06cb46d92

SHA256
c653b162e5949271f0e52222f5ffec39e636de0081e29609cddf0a2b52039e25

SHA512
ce7c41d27b1da254857f8d6429aab2aef53bd100c2b25c6f985d6d1a85c30c2ffe339fa5ad82aa1cb0d8bb6438f7cdde2100dc1ab3fee4b7f0bf4fc4c8bb6fd0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\VUFTEGODQ3FPHNM9KXA8.temp

Filesize
7KB

MD5
04e2e890b1fb61c50f9267efed5d93df

SHA1
b4a2676ab3483231ca17daf6217425c548ef0d7c

SHA256
28ca644c4e67ee6188f415a4d3acb3f70fdaf01f72f3f3ca5eea88078a118952

SHA512
74ba3b1f978d6ac25a206eda671bcf899d1a2056e23bc9b04b3ecea4249ec71d1f22e2b0896652b687a4ab159fb5b14ea075b185bf0f9b1655677317adf1c2c6

Download Submit
memory/2120-4-0x0000000000470000-0x0000000000496000-memory.dmp

Filesize
152KB

Download
memory/2120-1-0x0000000000FB0000-0x0000000001068000-memory.dmp

Filesize
736KB

Download
memory/2120-0-0x000000007480E000-0x000000007480F000-memory.dmp

Filesize
4KB

Download
memory/2120-5-0x000000007480E000-0x000000007480F000-memory.dmp

Filesize
4KB

Download
memory/2120-6-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download
memory/2120-7-0x00000000005F0000-0x0000000000668000-memory.dmp

Filesize
480KB

Download
memory/2120-2-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download
memory/2120-3-0x00000000050F0000-0x000000000519E000-memory.dmp

Filesize
696KB

Download
memory/2120-27-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download
memory/2628-28-0x0000000000E90000-0x0000000000ED6000-memory.dmp

Filesize
280KB

Download
memory/2628-29-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2748-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2748-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2748-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2748-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download