formbook | 28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7

Analysis

max time kernel
148s
max time network
144s
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 14:14

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General

Target

updated order00pdf.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/448-48-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3724-92-0x0000000000A00000-0x0000000000A2F000-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
3920	powershell.exe
64	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	updated order00pdf.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1472 set thread context of 448	1472	updated order00pdf.exe	96
PID 448 set thread context of 3440	448	RegSvcs.exe	56
PID 3724 set thread context of 3440	3724	cmmon32.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	updated order00pdf.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	cmmon32.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
4260	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1472	updated order00pdf.exe
3920	powershell.exe
64	powershell.exe
3920	powershell.exe
1472	updated order00pdf.exe
1472	updated order00pdf.exe
1472	updated order00pdf.exe
64	powershell.exe
448	RegSvcs.exe
448	RegSvcs.exe
448	RegSvcs.exe
448	RegSvcs.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe
3724	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
448	RegSvcs.exe
448	RegSvcs.exe
448	RegSvcs.exe
3724	cmmon32.exe
3724	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	1472	updated order00pdf.exe
Token: SeDebugPrivilege	3920	powershell.exe
Token: SeDebugPrivilege	64	powershell.exe
Token: SeDebugPrivilege	448	RegSvcs.exe
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeDebugPrivilege	3724	cmmon32.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 3920	1472	updated order00pdf.exe	89
PID 1472 wrote to memory of 3920	1472	updated order00pdf.exe	89
PID 1472 wrote to memory of 3920	1472	updated order00pdf.exe	89
PID 1472 wrote to memory of 64	1472	updated order00pdf.exe	91
PID 1472 wrote to memory of 64	1472	updated order00pdf.exe	91
PID 1472 wrote to memory of 64	1472	updated order00pdf.exe	91
PID 1472 wrote to memory of 4260	1472	updated order00pdf.exe	93
PID 1472 wrote to memory of 4260	1472	updated order00pdf.exe	93
PID 1472 wrote to memory of 4260	1472	updated order00pdf.exe	93
PID 1472 wrote to memory of 392	1472	updated order00pdf.exe	95
PID 1472 wrote to memory of 392	1472	updated order00pdf.exe	95
PID 1472 wrote to memory of 392	1472	updated order00pdf.exe	95
PID 1472 wrote to memory of 448	1472	updated order00pdf.exe	96
PID 1472 wrote to memory of 448	1472	updated order00pdf.exe	96
PID 1472 wrote to memory of 448	1472	updated order00pdf.exe	96
PID 1472 wrote to memory of 448	1472	updated order00pdf.exe	96
PID 1472 wrote to memory of 448	1472	updated order00pdf.exe	96
PID 1472 wrote to memory of 448	1472	updated order00pdf.exe	96
PID 3440 wrote to memory of 3724	3440	Explorer.EXE	97
PID 3440 wrote to memory of 3724	3440	Explorer.EXE	97
PID 3440 wrote to memory of 3724	3440	Explorer.EXE	97
PID 3724 wrote to memory of 4516	3724	cmmon32.exe	98
PID 3724 wrote to memory of 4516	3724	cmmon32.exe	98
PID 3724 wrote to memory of 4516	3724	cmmon32.exe	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\updated order00pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\updated order00pdf.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:1472
- - 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\updated order00pdf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3920
- - 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:64
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dVNcpHUEH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7F3.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4260
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:392
- - 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:448
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:3724
- - 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:4516

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

Replay Monitor

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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
b676f71b125d08a54182597677cd9253

SHA1
b3c0c0397e853439f46e2ad153a73a7b79b53845

SHA256
c7e2cf2bdb21bd12251b06db842f6bcab305527b65c242af7f1fad2c9465d5a8

SHA512
228151eac69d054126f963ff18f265868aa3e6259e29bbffa263276bd20c37125238e95dfa7abd66a035de72baebf40b468f0611bedd14864aa97a43a05e8543

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rhy1onc3.1r3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC7F3.tmp

Filesize
1KB

MD5
eb0932c15a55008a49c577640bed4636

SHA1
5d2b9b4d546eda0cd67aaf76f96b5afcd58396fb

SHA256
6cfe9b609624c334f0a66044549c340f201bebcc49d5b34a88f70b3c47d5318d

SHA512
814c6b5f646b4395bfa89b51b8d7dec24deb70f346742490d426005d1e23dce7030c4ac74c26a1afc13367dfd4b039dbcdd585ed8bc630db06aeaa5e11142976

Download Submit
memory/64-79-0x0000000007850000-0x0000000007861000-memory.dmp

Filesize
68KB

Download
memory/64-45-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/64-86-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/64-80-0x0000000007880000-0x000000000788E000-memory.dmp

Filesize
56KB

Download
memory/64-81-0x0000000007890000-0x00000000078A4000-memory.dmp

Filesize
80KB

Download
memory/64-24-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/64-22-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/64-65-0x000000006F350000-0x000000006F39C000-memory.dmp

Filesize
304KB

Download
memory/448-48-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1472-7-0x0000000005140000-0x000000000515E000-memory.dmp

Filesize
120KB

Download
memory/1472-4-0x0000000004F50000-0x0000000004F5A000-memory.dmp

Filesize
40KB

Download
memory/1472-1-0x00000000004D0000-0x0000000000584000-memory.dmp

Filesize
720KB

Download
memory/1472-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/1472-2-0x00000000054F0000-0x0000000005A94000-memory.dmp

Filesize
5.6MB

Download
memory/1472-10-0x0000000002A00000-0x0000000002A7A000-memory.dmp

Filesize
488KB

Download
memory/1472-9-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/1472-8-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/1472-50-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/1472-6-0x0000000005260000-0x00000000052FC000-memory.dmp

Filesize
624KB

Download
memory/1472-3-0x0000000004FE0000-0x0000000005072000-memory.dmp

Filesize
584KB

Download
memory/1472-5-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/3440-96-0x0000000003040000-0x00000000030E1000-memory.dmp

Filesize
644KB

Download
memory/3724-91-0x0000000000720000-0x000000000072C000-memory.dmp

Filesize
48KB

Download
memory/3724-92-0x0000000000A00000-0x0000000000A2F000-memory.dmp

Filesize
188KB

Download
memory/3920-16-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/3920-63-0x0000000006B90000-0x0000000006BAE000-memory.dmp

Filesize
120KB

Download
memory/3920-64-0x00000000077D0000-0x0000000007873000-memory.dmp

Filesize
652KB

Download
memory/3920-53-0x000000006F350000-0x000000006F39C000-memory.dmp

Filesize
304KB

Download
memory/3920-52-0x0000000007590000-0x00000000075C2000-memory.dmp

Filesize
200KB

Download
memory/3920-47-0x0000000006600000-0x000000000664C000-memory.dmp

Filesize
304KB

Download
memory/3920-66-0x0000000007F40000-0x00000000085BA000-memory.dmp

Filesize
6.5MB

Download
memory/3920-67-0x0000000007900000-0x000000000791A000-memory.dmp

Filesize
104KB

Download
memory/3920-77-0x0000000007970000-0x000000000797A000-memory.dmp

Filesize
40KB

Download
memory/3920-78-0x0000000007B80000-0x0000000007C16000-memory.dmp

Filesize
600KB

Download
memory/3920-46-0x00000000065E0000-0x00000000065FE000-memory.dmp

Filesize
120KB

Download
memory/3920-23-0x0000000006020000-0x0000000006374000-memory.dmp

Filesize
3.3MB

Download
memory/3920-25-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/3920-82-0x0000000007C40000-0x0000000007C5A000-memory.dmp

Filesize
104KB

Download
memory/3920-83-0x0000000007C20000-0x0000000007C28000-memory.dmp

Filesize
32KB

Download
memory/3920-19-0x0000000005620000-0x0000000005642000-memory.dmp

Filesize
136KB

Download
memory/3920-20-0x0000000005E90000-0x0000000005EF6000-memory.dmp

Filesize
408KB

Download
memory/3920-21-0x0000000005FB0000-0x0000000006016000-memory.dmp

Filesize
408KB

Download
memory/3920-90-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/3920-18-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/3920-17-0x0000000005770000-0x0000000005D98000-memory.dmp

Filesize
6.2MB

Download
memory/3920-15-0x0000000002CC0000-0x0000000002CF6000-memory.dmp

Filesize
216KB

Download