formbook | c3825d126fba5b9662997439e5f20da9fede82e4902172c86632299f7e512d74

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
28/03/2025, 11:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Purchase Order #PO11774.exe
Size

640KB
MD5

e0d5a1d3be5203913a112da74dde9326
SHA1

9a0c4da5adc288a9921d0ef9103ed27da1e0464d
SHA256

a15006eb6ff449cff64e2df7ed41e85051eb25c0e179b14c9e04f7464ff69bb2
SHA512

44ee9fa209cfc9478bf79c97ea0cd1eaaa6e2301c7ee0228850c1136db3da247fa1902559241e0e726ef4e47d05387aee99c4319e1673b8ada500a4c0b8f1593
SSDEEP

12288:0eQiKaxzulQ0BXdLVymkQwF1712Me7g69MQyCjrED:1Qi5uxBXtVlkQw1jv699JoD

Score

10^/10

formbook a03d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a03d

Decoy

nfluencer-marketing-13524.bond

cebepu.info

lphatechblog.xyz

haoyun.website

itiz.xyz

orld-visa-center.online

si.art

alata.xyz

mmarketing.xyz

elnqdjc.shop

ensentoto.cloud

voyagu.info

onvert.today

1fuli9902.shop

otelhafnia.info

rumpchiefofstaff.store

urvivalflashlights.shop

0090.pizza

ings-hu-13.today

oliticalpatriot.net

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/1704-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3020-28-0x0000000000080000-0x00000000000AF000-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
2552	powershell.exe
2112	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1048 set thread context of 1704	1048	Purchase Order #PO11774.exe	37
PID 1704 set thread context of 1196	1704	MSBuild.exe	21
PID 3020 set thread context of 1196	3020	help.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	Purchase Order #PO11774.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	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2468	schtasks.exe

Suspicious behavior: EnumeratesProcesses 34 IoCs

pid	Process
1048	Purchase Order #PO11774.exe
2112	powershell.exe
2552	powershell.exe
1048	Purchase Order #PO11774.exe
1048	Purchase Order #PO11774.exe
1048	Purchase Order #PO11774.exe
1704	MSBuild.exe
1704	MSBuild.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe
3020	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1196	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1704	MSBuild.exe
1704	MSBuild.exe
1704	MSBuild.exe
3020	help.exe
3020	help.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1048	Purchase Order #PO11774.exe
Token: SeDebugPrivilege	2112	powershell.exe
Token: SeDebugPrivilege	2552	powershell.exe
Token: SeDebugPrivilege	1704	MSBuild.exe
Token: SeDebugPrivilege	3020	help.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2112	1048	Purchase Order #PO11774.exe	30
PID 1048 wrote to memory of 2112	1048	Purchase Order #PO11774.exe	30
PID 1048 wrote to memory of 2112	1048	Purchase Order #PO11774.exe	30
PID 1048 wrote to memory of 2112	1048	Purchase Order #PO11774.exe	30
PID 1048 wrote to memory of 2552	1048	Purchase Order #PO11774.exe	32
PID 1048 wrote to memory of 2552	1048	Purchase Order #PO11774.exe	32
PID 1048 wrote to memory of 2552	1048	Purchase Order #PO11774.exe	32
PID 1048 wrote to memory of 2552	1048	Purchase Order #PO11774.exe	32
PID 1048 wrote to memory of 2468	1048	Purchase Order #PO11774.exe	34
PID 1048 wrote to memory of 2468	1048	Purchase Order #PO11774.exe	34
PID 1048 wrote to memory of 2468	1048	Purchase Order #PO11774.exe	34
PID 1048 wrote to memory of 2468	1048	Purchase Order #PO11774.exe	34
PID 1048 wrote to memory of 2016	1048	Purchase Order #PO11774.exe	36
PID 1048 wrote to memory of 2016	1048	Purchase Order #PO11774.exe	36
PID 1048 wrote to memory of 2016	1048	Purchase Order #PO11774.exe	36
PID 1048 wrote to memory of 2016	1048	Purchase Order #PO11774.exe	36
PID 1048 wrote to memory of 1704	1048	Purchase Order #PO11774.exe	37
PID 1048 wrote to memory of 1704	1048	Purchase Order #PO11774.exe	37
PID 1048 wrote to memory of 1704	1048	Purchase Order #PO11774.exe	37
PID 1048 wrote to memory of 1704	1048	Purchase Order #PO11774.exe	37
PID 1048 wrote to memory of 1704	1048	Purchase Order #PO11774.exe	37
PID 1048 wrote to memory of 1704	1048	Purchase Order #PO11774.exe	37
PID 1048 wrote to memory of 1704	1048	Purchase Order #PO11774.exe	37
PID 1196 wrote to memory of 3020	1196	Explorer.EXE	38
PID 1196 wrote to memory of 3020	1196	Explorer.EXE	38
PID 1196 wrote to memory of 3020	1196	Explorer.EXE	38
PID 1196 wrote to memory of 3020	1196	Explorer.EXE	38
PID 3020 wrote to memory of 2812	3020	help.exe	39
PID 3020 wrote to memory of 2812	3020	help.exe	39
PID 3020 wrote to memory of 2812	3020	help.exe	39
PID 3020 wrote to memory of 2812	3020	help.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\Purchase Order #PO11774.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order #PO11774.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1048
- - 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\Purchase Order #PO11774.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2112
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QsKldZxyVDfk.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2552
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QsKldZxyVDfk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC17B.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2468
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    PID:2016
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1704
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:3020
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2812

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC17B.tmp

Filesize
1KB

MD5
3bb0fad678ca4c026044aac2c3298d0f

SHA1
9ffa8c9026ba7eb8aad51908ceef35337ded0697

SHA256
38295ef0b93f82e19fbf2e03500715259ed439ac62ad4606e16b8f61a5d56acc

SHA512
8f6a3d02437970a805f4122af9ea45b42daa2e7dc75addb8d3c424cc9dae0a388117df71dc3e858844afdd9b980f14382c059f44d59ce55c08daec2253a40821

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

Filesize
7KB

MD5
3d5269d43361384e12dc75e803b00b4d

SHA1
b9698cf8418ca91d1357ab7c8f8710be3d7f7b9f

SHA256
0de3dbaef449dbd35fc85d813e1cf86fcbb2159a4a2655f012b6149503793bcd

SHA512
6a76dbaeef9974512b908a502c2ac1f76870e8c2792bafa68c55011852db24ae314ba38fa67a3a76bef9421a7a05a77b826c61323843dab9de771b7e7709f9e9

Download Submit
memory/1048-4-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/1048-25-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/1048-0-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/1048-5-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/1048-6-0x00000000045C0000-0x0000000004638000-memory.dmp

Filesize
480KB

Download
memory/1048-2-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/1048-1-0x0000000000E20000-0x0000000000EC4000-memory.dmp

Filesize
656KB

Download
memory/1048-3-0x00000000006F0000-0x0000000000708000-memory.dmp

Filesize
96KB

Download
memory/1196-30-0x0000000009AB0000-0x0000000009BD7000-memory.dmp

Filesize
1.2MB

Download
memory/1704-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1704-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1704-23-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1704-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3020-27-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/3020-28-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download