formbook | 36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac

Analysis

max time kernel
146s
max time network
134s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-01-2025 03:02

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General

Target

36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
Size

801KB
MD5

dd46446038384fd77e9b50707d3ed26e
SHA1

6b888ea643545bb6cc406c4f460d0d71c0753b32
SHA256

36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac
SHA512

2651b26968f5d92d8e3bf484feefe249b3d606e4cafa1769e355305ba88587cb90b8946254c42c7299cb562011a140710d39879b88b26da7c653c17bcd813e24
SSDEEP

12288:nzSggsixmj5PLgm+++lMaVqskZO2kvvfRZzQPBXZGdygv4kOz3kfgq:nzm4kNNVqsaVkvH0PBXSygBOgg

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/2664-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2276-28-0x0000000000080000-0x00000000000AF000-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
2036	powershell.exe
2988	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1160 set thread context of 2664	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	38
PID 2664 set thread context of 1208	2664	RegSvcs.exe	21
PID 2276 set thread context of 1208	2276	mstsc.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	mstsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.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

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
2828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 37 IoCs

pid	Process
1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
2036	powershell.exe
1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
2988	powershell.exe
1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
2664	RegSvcs.exe
2664	RegSvcs.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe
2276	mstsc.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2664	RegSvcs.exe
2664	RegSvcs.exe
2664	RegSvcs.exe
2276	mstsc.exe
2276	mstsc.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
Token: SeDebugPrivilege	2036	powershell.exe
Token: SeDebugPrivilege	2988	powershell.exe
Token: SeDebugPrivilege	2664	RegSvcs.exe
Token: SeDebugPrivilege	2276	mstsc.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 2036	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	31
PID 1160 wrote to memory of 2036	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	31
PID 1160 wrote to memory of 2036	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	31
PID 1160 wrote to memory of 2036	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	31
PID 1160 wrote to memory of 2988	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	33
PID 1160 wrote to memory of 2988	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	33
PID 1160 wrote to memory of 2988	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	33
PID 1160 wrote to memory of 2988	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	33
PID 1160 wrote to memory of 2828	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	35
PID 1160 wrote to memory of 2828	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	35
PID 1160 wrote to memory of 2828	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	35
PID 1160 wrote to memory of 2828	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	35
PID 1160 wrote to memory of 2616	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	37
PID 1160 wrote to memory of 2616	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	37
PID 1160 wrote to memory of 2616	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	37
PID 1160 wrote to memory of 2616	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	37
PID 1160 wrote to memory of 2616	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	37
PID 1160 wrote to memory of 2616	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	37
PID 1160 wrote to memory of 2616	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	37
PID 1160 wrote to memory of 2664	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	38
PID 1160 wrote to memory of 2664	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	38
PID 1160 wrote to memory of 2664	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	38
PID 1160 wrote to memory of 2664	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	38
PID 1160 wrote to memory of 2664	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	38
PID 1160 wrote to memory of 2664	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	38
PID 1160 wrote to memory of 2664	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	38
PID 1160 wrote to memory of 2664	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	38
PID 1160 wrote to memory of 2664	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	38
PID 1160 wrote to memory of 2664	1160	36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe	38
PID 1208 wrote to memory of 2276	1208	Explorer.EXE	39
PID 1208 wrote to memory of 2276	1208	Explorer.EXE	39
PID 1208 wrote to memory of 2276	1208	Explorer.EXE	39
PID 1208 wrote to memory of 2276	1208	Explorer.EXE	39
PID 2276 wrote to memory of 1860	2276	mstsc.exe	40
PID 2276 wrote to memory of 1860	2276	mstsc.exe	40
PID 2276 wrote to memory of 1860	2276	mstsc.exe	40
PID 2276 wrote to memory of 1860	2276	mstsc.exe	40

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe
  "C:\Users\Admin\AppData\Local\Temp\36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1160
- - 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\36c3f143edb273d0d6cd6738e0357ddc19b86857de46871ba96bcb1a8256b1ac.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2036
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WtuAQDhPxPj.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2988
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WtuAQDhPxPj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp43C4.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2828
- - 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⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2664
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:2276
- - 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:1860

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\tmp43C4.tmp

Filesize
1KB

MD5
80199a6f77094ee58cd2418a1c71373a

SHA1
07b5f6b25414079e1cb7884d9605983824f2bcfe

SHA256
fdda4061a8429b6697fc4f8e165d668aedf9e4b5397817509a65db06e682300a

SHA512
03d25f71b04dbaa830682c632721ced296d88b5db42918164a6a6b3de568eb9cabeb2049cd649c56248d42126aa43a8be5df6f609f885435694d23615b54cc4f

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

Filesize
7KB

MD5
6629ee993b77ac6a04689ffdb004da2e

SHA1
567e2818890027bb3970e9ceaae8e01e5fd1aac3

SHA256
dbad1da047b84488f46cf81a2e3acda3a83357694f70e962e39a1b1120410be4

SHA512
6da4162577be5110f6ff5473d8951fd61f48999b8075196afff16aaff7929ed330a389c5fe7a6d729a6d6136cb816cce6575fc26b9e749130a06cb708f73248d

Download Submit
memory/1160-4-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/1160-25-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1160-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/1160-5-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1160-6-0x0000000000480000-0x00000000004F8000-memory.dmp

Filesize
480KB

Download
memory/1160-2-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1160-1-0x0000000000910000-0x00000000009DE000-memory.dmp

Filesize
824KB

Download
memory/1160-3-0x0000000000520000-0x000000000053E000-memory.dmp

Filesize
120KB

Download
memory/1208-32-0x0000000006EA0000-0x0000000006FD8000-memory.dmp

Filesize
1.2MB

Download
memory/2276-28-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2276-27-0x00000000008F0000-0x00000000009F4000-memory.dmp

Filesize
1.0MB

Download
memory/2664-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2664-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2664-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download