formbook | 637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4

Analysis

max time kernel
149s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2025 04:02

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General

Target

637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe
Size

680KB
MD5

670ec4d161f3b49adb0b58058bed084b
SHA1

5e889f32779fc120704288450fae1bd1dfbd0926
SHA256

637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4
SHA512

a23a569972d95ad0405e3e83a7200eb463abd88ee669ac76a85621e513148979de8e4965cad4cda90bdbe35ff31377e7d579581237f670f73fa008b4b8db9965
SSDEEP

12288:iYnwXaswecl9h8UtmmU2kNntDA7ITIMN8rQnNfkGSdhXZXi6yiah:GweRWmR2IDA7Jo8rQnizdj

Score

10^/10

formbook a01d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a01d

Decoy

eniorshousing05.shop

rywisevas.biz

4726.pizza

itchen-design-42093.bond

3456.tech

4825.plus

nlinecraps.xyz

itamins-52836.bond

nfluencer-marketing-40442.bond

nline-advertising-58573.bond

rautogroups.net

limbtrip.net

oftware-download-14501.bond

nline-advertising-66733.bond

erity.xyz

xknrksi.icu

x-ist.club

yber-security-26409.bond

oincatch.xyz

onitoring-devices-34077.bond

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/4088-46-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4088-91-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4864-93-0x0000000000930000-0x000000000095F000-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
4356	powershell.exe
748	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-1-5-21-4003209913-3868522715-854928974-1000\Control Panel\International\Geo\Nation	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1904 set thread context of 4088	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	96
PID 4088 set thread context of 3512	4088	RegSvcs.exe	56
PID 4088 set thread context of 3512	4088	RegSvcs.exe	56
PID 4864 set thread context of 3512	4864	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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2412	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe
4356	powershell.exe
748	powershell.exe
1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe
4088	RegSvcs.exe
4088	RegSvcs.exe
748	powershell.exe
4356	powershell.exe
4088	RegSvcs.exe
4088	RegSvcs.exe
4088	RegSvcs.exe
4088	RegSvcs.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe
4864	cmmon32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4088	RegSvcs.exe
4088	RegSvcs.exe
4088	RegSvcs.exe
4088	RegSvcs.exe
4864	cmmon32.exe
4864	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe
Token: SeDebugPrivilege	748	powershell.exe
Token: SeDebugPrivilege	4356	powershell.exe
Token: SeDebugPrivilege	4088	RegSvcs.exe
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE
Token: SeDebugPrivilege	4864	cmmon32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3512	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 4356	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	90
PID 1904 wrote to memory of 4356	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	90
PID 1904 wrote to memory of 4356	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	90
PID 1904 wrote to memory of 748	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	92
PID 1904 wrote to memory of 748	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	92
PID 1904 wrote to memory of 748	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	92
PID 1904 wrote to memory of 2412	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	94
PID 1904 wrote to memory of 2412	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	94
PID 1904 wrote to memory of 2412	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	94
PID 1904 wrote to memory of 4088	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	96
PID 1904 wrote to memory of 4088	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	96
PID 1904 wrote to memory of 4088	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	96
PID 1904 wrote to memory of 4088	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	96
PID 1904 wrote to memory of 4088	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	96
PID 1904 wrote to memory of 4088	1904	637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe	96
PID 3512 wrote to memory of 4864	3512	Explorer.EXE	97
PID 3512 wrote to memory of 4864	3512	Explorer.EXE	97
PID 3512 wrote to memory of 4864	3512	Explorer.EXE	97
PID 4864 wrote to memory of 4924	4864	cmmon32.exe	98
PID 4864 wrote to memory of 4924	4864	cmmon32.exe	98
PID 4864 wrote to memory of 4924	4864	cmmon32.exe	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3512
- C:\Users\Admin\AppData\Local\Temp\637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe
  "C:\Users\Admin\AppData\Local\Temp\637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.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:1904
- - 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\637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4356
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZeqyQbn.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:748
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZeqyQbn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3302.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2412
- - 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:4088
- 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:4864
- - 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:4924

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
7c7cae3fd8b72f3f8caf18bf602771ec

SHA1
ab331c6084e20534896c18afa6c096f3ee88f94c

SHA256
9b5b51e08989684ecaa53866846047ab554ffc1e403d7fd6ad0f1c170d0d559e

SHA512
4ce61d4560d76afa07dba319d8399a53854d2c2b875ef15d29a545fdbc0e6e4d381cdb6b5928b9c0e9de80f9a0d951253628beba4e23c13b9cd9b74033bf368f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gj35fz3a.ne2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3302.tmp

Filesize
1KB

MD5
ae34d735f3a6cdf8b52b9d7caeda8c8d

SHA1
769a36eee3c588d548120158357ee281b4099a0b

SHA256
b3cc9ac0c64f4d851faf068545514acb4aaa70c99a767465ce82e6339a0c7695

SHA512
80ec1c431e09bf6d0030159eb1fa4d6734756eacc1d95746b2150068e2a7c3fc31ecec03943f835fcfb324c55f5fc5f194f2e1f3584c3881b76fdab454944db4

Download Submit
memory/748-23-0x0000000005030000-0x0000000005052000-memory.dmp

Filesize
136KB

Download
memory/748-36-0x0000000005950000-0x0000000005CA4000-memory.dmp

Filesize
3.3MB

Download
memory/748-79-0x0000000007410000-0x0000000007421000-memory.dmp

Filesize
68KB

Download
memory/748-80-0x0000000007440000-0x000000000744E000-memory.dmp

Filesize
56KB

Download
memory/748-81-0x0000000007450000-0x0000000007464000-memory.dmp

Filesize
80KB

Download
memory/748-64-0x000000006FB90000-0x000000006FBDC000-memory.dmp

Filesize
304KB

Download
memory/748-50-0x0000000006480000-0x00000000064CC000-memory.dmp

Filesize
304KB

Download
memory/748-48-0x0000000005EE0000-0x0000000005EFE000-memory.dmp

Filesize
120KB

Download
memory/748-77-0x0000000007280000-0x000000000728A000-memory.dmp

Filesize
40KB

Download
memory/748-24-0x00000000050D0000-0x0000000005136000-memory.dmp

Filesize
408KB

Download
memory/748-90-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/748-19-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/748-25-0x00000000058E0000-0x0000000005946000-memory.dmp

Filesize
408KB

Download
memory/748-21-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/748-31-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/1904-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/1904-8-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/1904-3-0x0000000004EE0000-0x0000000004F72000-memory.dmp

Filesize
584KB

Download
memory/1904-4-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/1904-6-0x0000000005060000-0x00000000050FC000-memory.dmp

Filesize
624KB

Download
memory/1904-5-0x0000000004EA0000-0x0000000004EAA000-memory.dmp

Filesize
40KB

Download
memory/1904-7-0x00000000053A0000-0x00000000053BE000-memory.dmp

Filesize
120KB

Download
memory/1904-2-0x00000000053F0000-0x0000000005994000-memory.dmp

Filesize
5.6MB

Download
memory/1904-51-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/1904-10-0x00000000048B0000-0x0000000004928000-memory.dmp

Filesize
480KB

Download
memory/1904-9-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/1904-1-0x0000000000410000-0x00000000004C0000-memory.dmp

Filesize
704KB

Download
memory/3512-96-0x0000000008620000-0x00000000086EF000-memory.dmp

Filesize
828KB

Download
memory/4088-46-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4088-91-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4356-16-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/4356-86-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/4356-75-0x0000000007CD0000-0x000000000834A000-memory.dmp

Filesize
6.5MB

Download
memory/4356-78-0x0000000007910000-0x00000000079A6000-memory.dmp

Filesize
600KB

Download
memory/4356-73-0x0000000007580000-0x0000000007623000-memory.dmp

Filesize
652KB

Download
memory/4356-52-0x0000000007520000-0x0000000007552000-memory.dmp

Filesize
200KB

Download
memory/4356-53-0x000000006FB90000-0x000000006FBDC000-memory.dmp

Filesize
304KB

Download
memory/4356-82-0x00000000079D0000-0x00000000079EA000-memory.dmp

Filesize
104KB

Download
memory/4356-83-0x00000000079B0000-0x00000000079B8000-memory.dmp

Filesize
32KB

Download
memory/4356-76-0x0000000007690000-0x00000000076AA000-memory.dmp

Filesize
104KB

Download
memory/4356-63-0x0000000007560000-0x000000000757E000-memory.dmp

Filesize
120KB

Download
memory/4356-22-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/4356-17-0x00000000054E0000-0x0000000005B08000-memory.dmp

Filesize
6.2MB

Download
memory/4356-18-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/4356-15-0x0000000004DD0000-0x0000000004E06000-memory.dmp

Filesize
216KB

Download
memory/4864-93-0x0000000000930000-0x000000000095F000-memory.dmp

Filesize
188KB

Download
memory/4864-92-0x0000000000730000-0x000000000073C000-memory.dmp

Filesize
48KB

Download