formbook | 28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7

Analysis

max time kernel
146s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
behavioral1/memory/2820-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2176-28-0x0000000000080000-0x00000000000AF000-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
2568	powershell.exe
2220	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2380 set thread context of 2820	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	36
PID 2820 set thread context of 1212	2820	RegSvcs.exe	21
PID 2176 set thread context of 1212	2176	control.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	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	control.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
2648	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe
2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe
2820	RegSvcs.exe
2820	RegSvcs.exe
2220	powershell.exe
2568	powershell.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe
2176	control.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2820	RegSvcs.exe
2820	RegSvcs.exe
2820	RegSvcs.exe
2176	control.exe
2176	control.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe
Token: SeDebugPrivilege	2820	RegSvcs.exe
Token: SeDebugPrivilege	2220	powershell.exe
Token: SeDebugPrivilege	2568	powershell.exe
Token: SeDebugPrivilege	2176	control.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2568	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	30
PID 2380 wrote to memory of 2568	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	30
PID 2380 wrote to memory of 2568	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	30
PID 2380 wrote to memory of 2568	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	30
PID 2380 wrote to memory of 2220	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	32
PID 2380 wrote to memory of 2220	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	32
PID 2380 wrote to memory of 2220	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	32
PID 2380 wrote to memory of 2220	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	32
PID 2380 wrote to memory of 2648	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	33
PID 2380 wrote to memory of 2648	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	33
PID 2380 wrote to memory of 2648	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	33
PID 2380 wrote to memory of 2648	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	33
PID 2380 wrote to memory of 2820	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	36
PID 2380 wrote to memory of 2820	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	36
PID 2380 wrote to memory of 2820	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	36
PID 2380 wrote to memory of 2820	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	36
PID 2380 wrote to memory of 2820	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	36
PID 2380 wrote to memory of 2820	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	36
PID 2380 wrote to memory of 2820	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	36
PID 2380 wrote to memory of 2820	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	36
PID 2380 wrote to memory of 2820	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	36
PID 2380 wrote to memory of 2820	2380	28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe	36
PID 1212 wrote to memory of 2176	1212	Explorer.EXE	37
PID 1212 wrote to memory of 2176	1212	Explorer.EXE	37
PID 1212 wrote to memory of 2176	1212	Explorer.EXE	37
PID 1212 wrote to memory of 2176	1212	Explorer.EXE	37
PID 2176 wrote to memory of 1484	2176	control.exe	38
PID 2176 wrote to memory of 1484	2176	control.exe	38
PID 2176 wrote to memory of 1484	2176	control.exe	38
PID 2176 wrote to memory of 1484	2176	control.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe
  "C:\Users\Admin\AppData\Local\Temp\28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2380
- - 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:2568
- - 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:2220
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dVNcpHUEH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp32A4.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2648
- - 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:2820
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:2176
- - 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:1484

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp32A4.tmp

Filesize
1KB

MD5
8c0ebadcba8c5511d47b68aec15919e0

SHA1
61bc27fa7727c55e37e2767750fa17450098a036

SHA256
68cb16d89dc77e90e67cd74c23f1f448a6d6a8046f06dbbee1cf504b90eeae20

SHA512
7a5945f490043640d85702827f115555ce97e39a4910f39198b7d358c665dad1c8933e628f970435cb439e06ebed261722ce181ee55a530ae2797767cfdf668a

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

Filesize
7KB

MD5
18a823f90d2ddfdb22cd610e8907dff9

SHA1
89e5fb26c277cfaf1856e539315a948df56374af

SHA256
b7b457b8170081efd8c4dc103212d0ac1b84b1500d54b1b52eb49eadd0c04dbb

SHA512
50a018387492483f3edd5437dc252f7082a7f6aa34df4fb4276cb03de3945e47ab6c47119d1c63570376c2250a8fc7dc641491da05855a006bfd80062dc43f17

Download Submit
memory/2176-28-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2176-27-0x00000000004D0000-0x00000000004EF000-memory.dmp

Filesize
124KB

Download
memory/2380-4-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download
memory/2380-5-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-6-0x0000000000490000-0x000000000050A000-memory.dmp

Filesize
488KB

Download
memory/2380-0-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download
memory/2380-3-0x0000000000900000-0x000000000091E000-memory.dmp

Filesize
120KB

Download
memory/2380-25-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-2-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-1-0x0000000000C90000-0x0000000000D44000-memory.dmp

Filesize
720KB

Download
memory/2820-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2820-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2820-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2820-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download