formbook | 28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2025 14:18

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General

Target

updatedorder00pdf.exe
Size

694KB
MD5

3eb2ceb99c3ef6893ace27ea06be4cfa
SHA1

c0d1da3207d947f99c1809cf94055adbdde7c3d7
SHA256

28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7
SHA512

6e9d570a4e5e20a2d0acd3fd4beebc872238e99aec72a747b3aec809c46f4a26dd651d39be69026f4d061a66d515e131ae830e663104d688fb0841f2b4fe4158
SSDEEP

12288:eQFtq5Aai1/mnTesWGrzVXxBEgqO/kCerVYuVH3Uv2Hd9:eMq5Aai10mMzJkjxD2sd9

Score

10^/10

formbook a02d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a02d

Decoy

coplus.market

oofing-jobs-74429.bond

healchemists.xyz

oofcarpenternearme-jp.xyz

enewebsolutions.online

harepoint.legal

88977.club

omptables.xyz

eat-pumps-31610.bond

endown.graphics

amsexgirls.website

ovevibes.xyz

u-thiensu.online

yblinds.xyz

rumpchiefofstaff.store

erzog.fun

rrm.lat

agiclime.pro

agaviet59.shop

lbdoanhnhan.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
behavioral2/memory/4176-43-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1316-90-0x00000000006A0000-0x00000000006CF000-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
1428	powershell.exe
1504	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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	updatedorder00pdf.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4636 set thread context of 4176	4636	updatedorder00pdf.exe	103
PID 4176 set thread context of 3444	4176	RegSvcs.exe	56
PID 1316 set thread context of 3444	1316	help.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	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	updatedorder00pdf.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
2440	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4636	updatedorder00pdf.exe
1428	powershell.exe
1504	powershell.exe
4636	updatedorder00pdf.exe
4176	RegSvcs.exe
4176	RegSvcs.exe
4176	RegSvcs.exe
4176	RegSvcs.exe
1428	powershell.exe
1504	powershell.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe
1316	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4176	RegSvcs.exe
4176	RegSvcs.exe
4176	RegSvcs.exe
1316	help.exe
1316	help.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeDebugPrivilege	4636	updatedorder00pdf.exe
Token: SeDebugPrivilege	1428	powershell.exe
Token: SeDebugPrivilege	1504	powershell.exe
Token: SeDebugPrivilege	4176	RegSvcs.exe
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeDebugPrivilege	1316	help.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 4636 wrote to memory of 1428	4636	updatedorder00pdf.exe	97
PID 4636 wrote to memory of 1428	4636	updatedorder00pdf.exe	97
PID 4636 wrote to memory of 1428	4636	updatedorder00pdf.exe	97
PID 4636 wrote to memory of 1504	4636	updatedorder00pdf.exe	99
PID 4636 wrote to memory of 1504	4636	updatedorder00pdf.exe	99
PID 4636 wrote to memory of 1504	4636	updatedorder00pdf.exe	99
PID 4636 wrote to memory of 2440	4636	updatedorder00pdf.exe	101
PID 4636 wrote to memory of 2440	4636	updatedorder00pdf.exe	101
PID 4636 wrote to memory of 2440	4636	updatedorder00pdf.exe	101
PID 4636 wrote to memory of 4176	4636	updatedorder00pdf.exe	103
PID 4636 wrote to memory of 4176	4636	updatedorder00pdf.exe	103
PID 4636 wrote to memory of 4176	4636	updatedorder00pdf.exe	103
PID 4636 wrote to memory of 4176	4636	updatedorder00pdf.exe	103
PID 4636 wrote to memory of 4176	4636	updatedorder00pdf.exe	103
PID 4636 wrote to memory of 4176	4636	updatedorder00pdf.exe	103
PID 3444 wrote to memory of 1316	3444	Explorer.EXE	104
PID 3444 wrote to memory of 1316	3444	Explorer.EXE	104
PID 3444 wrote to memory of 1316	3444	Explorer.EXE	104
PID 1316 wrote to memory of 4472	1316	help.exe	105
PID 1316 wrote to memory of 4472	1316	help.exe	105
PID 1316 wrote to memory of 4472	1316	help.exe	105

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\updatedorder00pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\updatedorder00pdf.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:4636
- - 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\updatedorder00pdf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1428
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dVNcpHUEH.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1504
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dVNcpHUEH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCD04.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2440
- - 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:4176
- 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:1316
- - 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:4472

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
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

Filesize
18KB

MD5
9052ae32d378e387a09da6c96908e3fb

SHA1
54c3c6b7522bf0e2907eb874788c89e465b5e8fa

SHA256
c6490062ea45a68c7cc0a0342e6938f11781c6e3df270bf79376a8c48823cc89

SHA512
2db70370ba190017a27c64cd2ab471a325b37ad57d5e53ee2c5172b0e6072211b084f11becb50c3350732fb5aaf1414dd88ca02bea9c457c6d136bb75a325c60

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x3vqg1ld.tby.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCD04.tmp

Filesize
1KB

MD5
a36e5e5e850768969ae1c89b7d59d78f

SHA1
bdbcc53def2d05e16cc3fd122d7f2073b8d07329

SHA256
fe87c047d8b2937735d616e9c6bd8e98cc28802476ff62c118d8b9e3e66b1533

SHA512
4f5197328972bf5797855452507ea51964e06c58a9bb6fde9c6e48da264bb0539a8afd4998111de59224db6410413ed10b4ee0c6b1c10abe68cd64b98655a9f9

Download Submit
memory/1316-78-0x0000000000F80000-0x0000000000F87000-memory.dmp

Filesize
28KB

Download
memory/1316-90-0x00000000006A0000-0x00000000006CF000-memory.dmp

Filesize
188KB

Download
memory/1428-16-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1428-19-0x0000000004C10000-0x0000000004C76000-memory.dmp

Filesize
408KB

Download
memory/1428-79-0x0000000007080000-0x000000000708E000-memory.dmp

Filesize
56KB

Download
memory/1428-81-0x0000000007190000-0x00000000071AA000-memory.dmp

Filesize
104KB

Download
memory/1428-76-0x00000000070D0000-0x0000000007166000-memory.dmp

Filesize
600KB

Download
memory/1428-15-0x0000000004560000-0x0000000004596000-memory.dmp

Filesize
216KB

Download
memory/1428-49-0x0000000005BA0000-0x0000000005BEC000-memory.dmp

Filesize
304KB

Download
memory/1428-17-0x0000000004CA0000-0x00000000052C8000-memory.dmp

Filesize
6.2MB

Download
memory/1428-20-0x00000000052D0000-0x0000000005336000-memory.dmp

Filesize
408KB

Download
memory/1428-80-0x0000000007090000-0x00000000070A4000-memory.dmp

Filesize
80KB

Download
memory/1428-18-0x0000000004B70000-0x0000000004B92000-memory.dmp

Filesize
136KB

Download
memory/1428-75-0x0000000006EC0000-0x0000000006ECA000-memory.dmp

Filesize
40KB

Download
memory/1428-22-0x0000000005530000-0x0000000005884000-memory.dmp

Filesize
3.3MB

Download
memory/1428-74-0x0000000006E50000-0x0000000006E6A000-memory.dmp

Filesize
104KB

Download
memory/1428-82-0x0000000007170000-0x0000000007178000-memory.dmp

Filesize
32KB

Download
memory/1428-29-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1428-85-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1428-73-0x00000000074A0000-0x0000000007B1A000-memory.dmp

Filesize
6.5MB

Download
memory/1428-63-0x0000000075A50000-0x0000000075A9C000-memory.dmp

Filesize
304KB

Download
memory/1428-48-0x0000000005B10000-0x0000000005B2E000-memory.dmp

Filesize
120KB

Download
memory/1504-77-0x0000000007A00000-0x0000000007A11000-memory.dmp

Filesize
68KB

Download
memory/1504-51-0x0000000075A50000-0x0000000075A9C000-memory.dmp

Filesize
304KB

Download
memory/1504-50-0x0000000007680000-0x00000000076B2000-memory.dmp

Filesize
200KB

Download
memory/1504-61-0x0000000005220000-0x000000000523E000-memory.dmp

Filesize
120KB

Download
memory/1504-62-0x00000000076C0000-0x0000000007763000-memory.dmp

Filesize
652KB

Download
memory/1504-23-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1504-21-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1504-89-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/3444-95-0x0000000008BB0000-0x0000000008C88000-memory.dmp

Filesize
864KB

Download
memory/4176-43-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4636-9-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4636-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/4636-8-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/4636-7-0x0000000006960000-0x000000000697E000-memory.dmp

Filesize
120KB

Download
memory/4636-6-0x00000000058B0000-0x000000000594C000-memory.dmp

Filesize
624KB

Download
memory/4636-5-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4636-4-0x0000000005610000-0x000000000561A000-memory.dmp

Filesize
40KB

Download
memory/4636-3-0x0000000005570000-0x0000000005602000-memory.dmp

Filesize
584KB

Download
memory/4636-2-0x0000000005A80000-0x0000000006024000-memory.dmp

Filesize
5.6MB

Download
memory/4636-10-0x0000000002F00000-0x0000000002F7A000-memory.dmp

Filesize
488KB

Download
memory/4636-1-0x0000000000C30000-0x0000000000CE4000-memory.dmp

Filesize
720KB

Download
memory/4636-47-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download