formbook | 28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2025, 04:14

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General

Target

28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.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/2516-32-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1004-88-0x0000000000CC0000-0x0000000000CEF000-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
3540	powershell.exe
1220	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4944 set thread context of 2516	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	104
PID 2516 set thread context of 3452	2516	RegSvcs.exe	56
PID 1004 set thread context of 3452	1004	ipconfig.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
1004	ipconfig.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
4516	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe
3540	powershell.exe
1220	powershell.exe
4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe
2516	RegSvcs.exe
2516	RegSvcs.exe
2516	RegSvcs.exe
2516	RegSvcs.exe
3540	powershell.exe
1220	powershell.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe
1004	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2516	RegSvcs.exe
2516	RegSvcs.exe
2516	RegSvcs.exe
1004	ipconfig.exe
1004	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe
Token: SeDebugPrivilege	3540	powershell.exe
Token: SeDebugPrivilege	1220	powershell.exe
Token: SeDebugPrivilege	2516	RegSvcs.exe
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeDebugPrivilege	1004	ipconfig.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 3540	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	98
PID 4944 wrote to memory of 3540	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	98
PID 4944 wrote to memory of 3540	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	98
PID 4944 wrote to memory of 1220	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	100
PID 4944 wrote to memory of 1220	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	100
PID 4944 wrote to memory of 1220	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	100
PID 4944 wrote to memory of 4516	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	102
PID 4944 wrote to memory of 4516	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	102
PID 4944 wrote to memory of 4516	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	102
PID 4944 wrote to memory of 2516	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	104
PID 4944 wrote to memory of 2516	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	104
PID 4944 wrote to memory of 2516	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	104
PID 4944 wrote to memory of 2516	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	104
PID 4944 wrote to memory of 2516	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	104
PID 4944 wrote to memory of 2516	4944	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	104
PID 3452 wrote to memory of 1004	3452	Explorer.EXE	105
PID 3452 wrote to memory of 1004	3452	Explorer.EXE	105
PID 3452 wrote to memory of 1004	3452	Explorer.EXE	105
PID 1004 wrote to memory of 2752	1004	ipconfig.exe	106
PID 1004 wrote to memory of 2752	1004	ipconfig.exe	106
PID 1004 wrote to memory of 2752	1004	ipconfig.exe	106

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Users\Admin\AppData\Local\Temp\28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe
  "C:\Users\Admin\AppData\Local\Temp\28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.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:4944
- - 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\28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3540
- - 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:1220
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dVNcpHUEH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD830.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4516
- - 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:2516
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.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:1004
- - 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:2752

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
563ff3d146941095664dfa77630dac10

SHA1
22a943847f5c5913be7dc35ba2cf08ecb00ecd4a

SHA256
536bd2d048605271ccc0ba1ecea38ec4d8d72b137d94e87ddc2856741d6bbd6b

SHA512
52d4b9df55749b67cd271c6d9381a4c7ca78b9e3e03f83a38f83a593526cf0d1e19f0b27888632a106279b7e1dcda9e89d323149b3dee7a6ea1d98f5911bd529

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ffll2tfv.ifk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD830.tmp

Filesize
1KB

MD5
75f5d629da3910797b3a04a632d26210

SHA1
85206e2f183816ff870caf37858dc66a8c64332a

SHA256
037fbb821c273c3b6643f2def72b1924ea2409e900b81a348e2f8f35e88fb139

SHA512
b54956294d72c7b79a6819dc0963924c4da4b0a8ced6ff73e3657cbf400d3a5aa79a1633e2784c64624953eb9ef09c9becc002ebfa646b56e6b40a7ac3482196

Download Submit
memory/1004-88-0x0000000000CC0000-0x0000000000CEF000-memory.dmp

Filesize
188KB

Download
memory/1004-87-0x00000000009E0000-0x00000000009EB000-memory.dmp

Filesize
44KB

Download
memory/1220-66-0x0000000007800000-0x00000000078A3000-memory.dmp

Filesize
652KB

Download
memory/1220-65-0x00000000077D0000-0x00000000077EE000-memory.dmp

Filesize
120KB

Download
memory/1220-78-0x0000000007C70000-0x0000000007C8A000-memory.dmp

Filesize
104KB

Download
memory/1220-76-0x0000000007B60000-0x0000000007B6E000-memory.dmp

Filesize
56KB

Download
memory/1220-75-0x0000000007B30000-0x0000000007B41000-memory.dmp

Filesize
68KB

Download
memory/1220-74-0x0000000007BB0000-0x0000000007C46000-memory.dmp

Filesize
600KB

Download
memory/1220-85-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

Filesize
2.0MB

Download
memory/1220-79-0x0000000007C50000-0x0000000007C58000-memory.dmp

Filesize
32KB

Download
memory/1220-18-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

Filesize
2.0MB

Download
memory/1220-46-0x00000000065E0000-0x00000000065FE000-memory.dmp

Filesize
120KB

Download
memory/1220-50-0x0000000075790000-0x00000000757DC000-memory.dmp

Filesize
304KB

Download
memory/1220-47-0x0000000006680000-0x00000000066CC000-memory.dmp

Filesize
304KB

Download
memory/2516-32-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3452-92-0x0000000008500000-0x0000000008662000-memory.dmp

Filesize
1.4MB

Download
memory/3540-14-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

Filesize
2.0MB

Download
memory/3540-48-0x0000000007010000-0x0000000007042000-memory.dmp

Filesize
200KB

Download
memory/3540-86-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

Filesize
2.0MB

Download
memory/3540-33-0x0000000005B70000-0x0000000005EC4000-memory.dmp

Filesize
3.3MB

Download
memory/3540-21-0x00000000058A0000-0x0000000005906000-memory.dmp

Filesize
408KB

Download
memory/3540-49-0x0000000075790000-0x00000000757DC000-memory.dmp

Filesize
304KB

Download
memory/3540-22-0x00000000059C0000-0x0000000005A26000-memory.dmp

Filesize
408KB

Download
memory/3540-77-0x00000000075E0000-0x00000000075F4000-memory.dmp

Filesize
80KB

Download
memory/3540-17-0x0000000005200000-0x0000000005828000-memory.dmp

Filesize
6.2MB

Download
memory/3540-16-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

Filesize
2.0MB

Download
memory/3540-71-0x00000000079F0000-0x000000000806A000-memory.dmp

Filesize
6.5MB

Download
memory/3540-72-0x00000000073A0000-0x00000000073BA000-memory.dmp

Filesize
104KB

Download
memory/3540-73-0x0000000007410000-0x000000000741A000-memory.dmp

Filesize
40KB

Download
memory/3540-20-0x00000000050A0000-0x00000000050C2000-memory.dmp

Filesize
136KB

Download
memory/3540-13-0x0000000004AB0000-0x0000000004AE6000-memory.dmp

Filesize
216KB

Download
memory/3540-15-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

Filesize
2.0MB

Download
memory/4944-0-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

Filesize
2.0MB

Download
memory/4944-8-0x0000000002B60000-0x0000000002BDA000-memory.dmp

Filesize
488KB

Download
memory/4944-7-0x00000000065F0000-0x000000000660E000-memory.dmp

Filesize
120KB

Download
memory/4944-6-0x0000000005590000-0x000000000562C000-memory.dmp

Filesize
624KB

Download
memory/4944-5-0x0000000005450000-0x000000000545A000-memory.dmp

Filesize
40KB

Download
memory/4944-44-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

Filesize
2.0MB

Download
memory/4944-4-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

Filesize
2.0MB

Download
memory/4944-3-0x00000000052C0000-0x0000000005352000-memory.dmp

Filesize
584KB

Download
memory/4944-2-0x00000000057D0000-0x0000000005D74000-memory.dmp

Filesize
5.6MB

Download
memory/4944-1-0x0000000000800000-0x00000000008B4000-memory.dmp

Filesize
720KB

Download