formbook | 19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368

Analysis

max time kernel
146s
max time network
135s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-01-2025 19:33

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General

Target

payment info.exe
Size

675KB
MD5

d3a2936e355fc5b62c309d80aa65e9b4
SHA1

d7bafe72a3a8a9e06901155cdbf020d98f2535d7
SHA256

19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368
SHA512

01946f702c5af9696444a4c5d1db50390a53b2c0d849acb15c6079db32c3d7834492b357554d0daaab233c7e5024e452ecf6262bd23015558c0fc55abd81f116
SSDEEP

12288:BXcTTpuOZhzNA50jBIiIe/S+wi+2n7nw17jIBd5a:BcEsdmGI7eK+5+2nmjI4

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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2728-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2728-27-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2980-30-0x0000000000100000-0x000000000012F000-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
2172	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2508 set thread context of 2728	2508	payment info.exe	37
PID 2728 set thread context of 1212	2728	RegSvcs.exe	21
PID 2728 set thread context of 1212	2728	RegSvcs.exe	21
PID 2980 set thread context of 1212	2980	control.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	payment info.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	control.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
2756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2508	payment info.exe
2508	payment info.exe
2728	RegSvcs.exe
2236	powershell.exe
2172	powershell.exe
2728	RegSvcs.exe
2728	RegSvcs.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe
2980	control.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2728	RegSvcs.exe
2728	RegSvcs.exe
2728	RegSvcs.exe
2728	RegSvcs.exe
2980	control.exe
2980	control.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2508	payment info.exe
Token: SeDebugPrivilege	2236	powershell.exe
Token: SeDebugPrivilege	2172	powershell.exe
Token: SeDebugPrivilege	2728	RegSvcs.exe
Token: SeDebugPrivilege	2980	control.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2508	payment info.exe
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2508	payment info.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2236	2508	payment info.exe	31
PID 2508 wrote to memory of 2236	2508	payment info.exe	31
PID 2508 wrote to memory of 2236	2508	payment info.exe	31
PID 2508 wrote to memory of 2236	2508	payment info.exe	31
PID 2508 wrote to memory of 2172	2508	payment info.exe	33
PID 2508 wrote to memory of 2172	2508	payment info.exe	33
PID 2508 wrote to memory of 2172	2508	payment info.exe	33
PID 2508 wrote to memory of 2172	2508	payment info.exe	33
PID 2508 wrote to memory of 2756	2508	payment info.exe	35
PID 2508 wrote to memory of 2756	2508	payment info.exe	35
PID 2508 wrote to memory of 2756	2508	payment info.exe	35
PID 2508 wrote to memory of 2756	2508	payment info.exe	35
PID 2508 wrote to memory of 2728	2508	payment info.exe	37
PID 2508 wrote to memory of 2728	2508	payment info.exe	37
PID 2508 wrote to memory of 2728	2508	payment info.exe	37
PID 2508 wrote to memory of 2728	2508	payment info.exe	37
PID 2508 wrote to memory of 2728	2508	payment info.exe	37
PID 2508 wrote to memory of 2728	2508	payment info.exe	37
PID 2508 wrote to memory of 2728	2508	payment info.exe	37
PID 2508 wrote to memory of 2728	2508	payment info.exe	37
PID 2508 wrote to memory of 2728	2508	payment info.exe	37
PID 2508 wrote to memory of 2728	2508	payment info.exe	37
PID 1212 wrote to memory of 2980	1212	Explorer.EXE	38
PID 1212 wrote to memory of 2980	1212	Explorer.EXE	38
PID 1212 wrote to memory of 2980	1212	Explorer.EXE	38
PID 1212 wrote to memory of 2980	1212	Explorer.EXE	38
PID 2980 wrote to memory of 672	2980	control.exe	39
PID 2980 wrote to memory of 672	2980	control.exe	39
PID 2980 wrote to memory of 672	2980	control.exe	39
PID 2980 wrote to memory of 672	2980	control.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\payment info.exe
  "C:\Users\Admin\AppData\Local\Temp\payment info.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2508
- - 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 info.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\rBchflGYc.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2172
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rBchflGYc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE3BA.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2756
- - 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:2728
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:2980
- - 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:672

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\tmpE3BA.tmp

Filesize
1KB

MD5
2d12c35b0c39214a2852631721e13b98

SHA1
3ae473f2240c764a0ae68ad75abc76d460a492f7

SHA256
e0d90924952fc00cddd15828d763364ddc828a6e2b3ef925aff83fa43a3b8111

SHA512
09f98bb56ddf39cebbbb471bdd7190a8a030c840d1c91112027bd16bae6577e56f1b36cbdc6cd32abd396cd3c7ee70e303679c7f6963363829fceef5d185dc64

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\FLJQF68SD51V6EOMR5XG.temp

Filesize
7KB

MD5
a0e3990eb880423530c48e6118fc6301

SHA1
b07a418b63f5a08e6ce4a428a3a45428b7381d4a

SHA256
61cfc1a38f34c333d6f03bcd6fa0567eb3d26b25e69ec2ce61f3b93436b85a65

SHA512
62ea8a9f7335dfd0a6c709978ad4551bbb22d389a09c1dfbb479b5bd2a8291c2ae95a554f3e84c31d132fca40ee244b603b1181e838dad6756687d85b556bca0

Download Submit
memory/1212-34-0x0000000005200000-0x00000000052BC000-memory.dmp

Filesize
752KB

Download
memory/1212-28-0x0000000005090000-0x00000000051FC000-memory.dmp

Filesize
1.4MB

Download
memory/2508-4-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/2508-25-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2508-6-0x00000000003D0000-0x000000000044A000-memory.dmp

Filesize
488KB

Download
memory/2508-0-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/2508-3-0x00000000004B0000-0x00000000004CE000-memory.dmp

Filesize
120KB

Download
memory/2508-1-0x0000000000910000-0x00000000009BE000-memory.dmp

Filesize
696KB

Download
memory/2508-2-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2508-5-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2728-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2728-27-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2728-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2728-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2980-29-0x0000000000DA0000-0x0000000000DBF000-memory.dmp

Filesize
124KB

Download
memory/2980-30-0x0000000000100000-0x000000000012F000-memory.dmp

Filesize
188KB

Download