formbook | 467d77d35a6fc815ecbd60b0b320d7ca06e0f8a340c2c3285de4c0430517f8e7

Analysis

max time kernel
148s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-01-2025 13:29

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General

Target

Receipt Copy001.exe
Size

651KB
MD5

9ecbdf4d5174c3da835a2a7829e06773
SHA1

734529d1583291a87ff3cfc8895705e374f0091a
SHA256

467d77d35a6fc815ecbd60b0b320d7ca06e0f8a340c2c3285de4c0430517f8e7
SHA512

06ce5f9f79ed67731552a64fd4d730512cf10a1b006d3b4e258f357f85d8288e1c8862e4f2e8460ee58ef6ec138ae68b161372443c5091dfb4460f584fb49317
SSDEEP

12288:djz40GsIZC+9koIrfqUe1FOB/Uy4d8+1Aeh1bWwU6RnPsdx90:m3GXoIBe1FOf4dOCnPs

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 3 IoCs

rat

resource	yara_rule
behavioral2/memory/692-27-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/692-78-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3084-93-0x0000000000800000-0x000000000082F000-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
5028	powershell.exe
2576	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	Receipt Copy001.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3436 set thread context of 692	3436	Receipt Copy001.exe	88
PID 692 set thread context of 3444	692	RegSvcs.exe	56
PID 3084 set thread context of 3444	3084	NETSTAT.EXE	56

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	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Receipt Copy001.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

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
3084	NETSTAT.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
5072	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3436	Receipt Copy001.exe
2576	powershell.exe
5028	powershell.exe
3436	Receipt Copy001.exe
692	RegSvcs.exe
692	RegSvcs.exe
692	RegSvcs.exe
692	RegSvcs.exe
5028	powershell.exe
2576	powershell.exe
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE
3084	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
692	RegSvcs.exe
692	RegSvcs.exe
692	RegSvcs.exe
3084	NETSTAT.EXE
3084	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3436	Receipt Copy001.exe
Token: SeDebugPrivilege	5028	powershell.exe
Token: SeDebugPrivilege	2576	powershell.exe
Token: SeDebugPrivilege	692	RegSvcs.exe
Token: SeDebugPrivilege	3084	NETSTAT.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 5028	3436	Receipt Copy001.exe	82
PID 3436 wrote to memory of 5028	3436	Receipt Copy001.exe	82
PID 3436 wrote to memory of 5028	3436	Receipt Copy001.exe	82
PID 3436 wrote to memory of 2576	3436	Receipt Copy001.exe	84
PID 3436 wrote to memory of 2576	3436	Receipt Copy001.exe	84
PID 3436 wrote to memory of 2576	3436	Receipt Copy001.exe	84
PID 3436 wrote to memory of 5072	3436	Receipt Copy001.exe	85
PID 3436 wrote to memory of 5072	3436	Receipt Copy001.exe	85
PID 3436 wrote to memory of 5072	3436	Receipt Copy001.exe	85
PID 3436 wrote to memory of 692	3436	Receipt Copy001.exe	88
PID 3436 wrote to memory of 692	3436	Receipt Copy001.exe	88
PID 3436 wrote to memory of 692	3436	Receipt Copy001.exe	88
PID 3436 wrote to memory of 692	3436	Receipt Copy001.exe	88
PID 3436 wrote to memory of 692	3436	Receipt Copy001.exe	88
PID 3436 wrote to memory of 692	3436	Receipt Copy001.exe	88
PID 3444 wrote to memory of 3084	3444	Explorer.EXE	89
PID 3444 wrote to memory of 3084	3444	Explorer.EXE	89
PID 3444 wrote to memory of 3084	3444	Explorer.EXE	89
PID 3084 wrote to memory of 464	3084	NETSTAT.EXE	90
PID 3084 wrote to memory of 464	3084	NETSTAT.EXE	90
PID 3084 wrote to memory of 464	3084	NETSTAT.EXE	90

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Users\Admin\AppData\Local\Temp\Receipt Copy001.exe
  "C:\Users\Admin\AppData\Local\Temp\Receipt Copy001.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3436
- - 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\Receipt Copy001.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5028
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zykAUGFBtng.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2576
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zykAUGFBtng" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD532.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5072
- - 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:692
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3084
- - 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:464

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

Query Registry

T1012

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
b3a14d303c38013e884c8897da89d60e

SHA1
e4e930e75cf5d1eadb1ef1a695ca9b71eff2f246

SHA256
2a7f226f42b1d8de2beef0beb78f733340e2e9e1412189d76791eb7275cdbeaa

SHA512
6484d5c53af75c1ce0e2af38d381082d2501b5b974ffd4b19a8f1075c2f4998f4b9ced586e095be0688430fcde49b641b210932c5992646418b1f9ea0d1b0479

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pqtpxclk.pka.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD532.tmp

Filesize
1KB

MD5
2b7c148f0ef17f887e50672d7f7e8953

SHA1
f5f007340d1cd3ff8976d098bb8267c340241775

SHA256
5ae9516fe46296f7e1b12a5eadefb749bbeca3dcbc99649db9335f119214e4ed

SHA512
ae3cdd24888d19baaed9effdb1f87958819c03b923f6c6c4247a8dd6588e84250a9e116d78e3dbf1c0b021dfa9ef8c8aa1977aa8fa8c7fff83eb40b5af0d4f11

Download Submit
memory/692-78-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/692-27-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2576-76-0x0000000007060000-0x000000000707A000-memory.dmp

Filesize
104KB

Download
memory/2576-26-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2576-54-0x0000000075560000-0x00000000755AC000-memory.dmp

Filesize
304KB

Download
memory/2576-77-0x00000000070D0000-0x00000000070DA000-memory.dmp

Filesize
40KB

Download
memory/2576-83-0x00000000072A0000-0x00000000072B4000-memory.dmp

Filesize
80KB

Download
memory/2576-69-0x0000000006CA0000-0x0000000006CBE000-memory.dmp

Filesize
120KB

Download
memory/2576-84-0x00000000073A0000-0x00000000073BA000-memory.dmp

Filesize
104KB

Download
memory/2576-85-0x0000000007380000-0x0000000007388000-memory.dmp

Filesize
32KB

Download
memory/2576-88-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2576-19-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2576-20-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/3084-93-0x0000000000800000-0x000000000082F000-memory.dmp

Filesize
188KB

Download
memory/3084-79-0x00000000000B0000-0x00000000000BB000-memory.dmp

Filesize
44KB

Download
memory/3436-4-0x0000000004F50000-0x0000000004F5A000-memory.dmp

Filesize
40KB

Download
memory/3436-1-0x00000000005E0000-0x000000000068A000-memory.dmp

Filesize
680KB

Download
memory/3436-5-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/3436-2-0x0000000005480000-0x0000000005A24000-memory.dmp

Filesize
5.6MB

Download
memory/3436-6-0x0000000005B30000-0x0000000005B4E000-memory.dmp

Filesize
120KB

Download
memory/3436-30-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/3436-10-0x000000000D210000-0x000000000D2AC000-memory.dmp

Filesize
624KB

Download
memory/3436-7-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/3436-9-0x00000000049F0000-0x0000000004A68000-memory.dmp

Filesize
480KB

Download
memory/3436-8-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/3436-3-0x0000000004F70000-0x0000000005002000-memory.dmp

Filesize
584KB

Download
memory/3436-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/3444-98-0x0000000002A00000-0x0000000002AE9000-memory.dmp

Filesize
932KB

Download
memory/5028-22-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/5028-74-0x0000000007200000-0x00000000072A3000-memory.dmp

Filesize
652KB

Download
memory/5028-75-0x0000000007950000-0x0000000007FCA000-memory.dmp

Filesize
6.5MB

Download
memory/5028-53-0x0000000075560000-0x00000000755AC000-memory.dmp

Filesize
304KB

Download
memory/5028-52-0x0000000006FC0000-0x0000000006FF2000-memory.dmp

Filesize
200KB

Download
memory/5028-51-0x0000000006020000-0x000000000606C000-memory.dmp

Filesize
304KB

Download
memory/5028-50-0x0000000005FF0000-0x000000000600E000-memory.dmp

Filesize
120KB

Download
memory/5028-80-0x0000000007590000-0x0000000007626000-memory.dmp

Filesize
600KB

Download
memory/5028-81-0x0000000007510000-0x0000000007521000-memory.dmp

Filesize
68KB

Download
memory/5028-82-0x0000000007540000-0x000000000754E000-memory.dmp

Filesize
56KB

Download
memory/5028-24-0x0000000005830000-0x0000000005896000-memory.dmp

Filesize
408KB

Download
memory/5028-28-0x0000000005990000-0x0000000005CE4000-memory.dmp

Filesize
3.3MB

Download
memory/5028-25-0x00000000058A0000-0x0000000005906000-memory.dmp

Filesize
408KB

Download
memory/5028-23-0x0000000005000000-0x0000000005022000-memory.dmp

Filesize
136KB

Download
memory/5028-18-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/5028-17-0x0000000005090000-0x00000000056B8000-memory.dmp

Filesize
6.2MB

Download
memory/5028-92-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/5028-16-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/5028-15-0x00000000049F0000-0x0000000004A26000-memory.dmp

Filesize
216KB

Download