formbook | 190df53d774c520a1ad8bd531f990aede256f9b85900e22823f04a7b07df4166

Analysis

max time kernel
149s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2025 13:28

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General

Target

TKq18zZ3Rtcbhfd.exe
Size

690KB
MD5

40a0efae53cd30740fd47e5f79a46eae
SHA1

2ea4625d31a8c4fa8e6c9b3bc4abecc6341fe788
SHA256

58dfe85f084bedbc1861ed4afada8f0e284a70e10c84065cc6df13adc9fb45db
SHA512

0caabef7ce39f1d2fb4f21c7cf8f59da389babc1f590910ea85c8b5a4d28e40a572802ffdf55eef95d4c41999150a777b55825056b3b8d7bf744cb567fbee1e0
SSDEEP

12288:Qiv1uq3JfXyN9u9A0NAUFE/P37NfmAl12tZ9uLUxL7HNHJTs/m:RNuqfC/unmUQ7NpqLB

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/4472-46-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/440-93-0x0000000000D10000-0x0000000000D3F000-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
3664	powershell.exe
4052	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	TKq18zZ3Rtcbhfd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1700 set thread context of 4472	1700	TKq18zZ3Rtcbhfd.exe	105
PID 4472 set thread context of 3624	4472	RegSvcs.exe	56
PID 440 set thread context of 3624	440	svchost.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TKq18zZ3Rtcbhfd.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
3684	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1700	TKq18zZ3Rtcbhfd.exe
4052	powershell.exe
3664	powershell.exe
1700	TKq18zZ3Rtcbhfd.exe
1700	TKq18zZ3Rtcbhfd.exe
1700	TKq18zZ3Rtcbhfd.exe
1700	TKq18zZ3Rtcbhfd.exe
1700	TKq18zZ3Rtcbhfd.exe
4472	RegSvcs.exe
4472	RegSvcs.exe
3664	powershell.exe
4472	RegSvcs.exe
4472	RegSvcs.exe
4052	powershell.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe
440	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4472	RegSvcs.exe
4472	RegSvcs.exe
4472	RegSvcs.exe
440	svchost.exe
440	svchost.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	TKq18zZ3Rtcbhfd.exe
Token: SeDebugPrivilege	3664	powershell.exe
Token: SeDebugPrivilege	4052	powershell.exe
Token: SeDebugPrivilege	4472	RegSvcs.exe
Token: SeDebugPrivilege	440	svchost.exe
Token: SeShutdownPrivilege	3624	Explorer.EXE
Token: SeCreatePagefilePrivilege	3624	Explorer.EXE
Token: SeShutdownPrivilege	3624	Explorer.EXE
Token: SeCreatePagefilePrivilege	3624	Explorer.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 3664	1700	TKq18zZ3Rtcbhfd.exe	97
PID 1700 wrote to memory of 3664	1700	TKq18zZ3Rtcbhfd.exe	97
PID 1700 wrote to memory of 3664	1700	TKq18zZ3Rtcbhfd.exe	97
PID 1700 wrote to memory of 4052	1700	TKq18zZ3Rtcbhfd.exe	99
PID 1700 wrote to memory of 4052	1700	TKq18zZ3Rtcbhfd.exe	99
PID 1700 wrote to memory of 4052	1700	TKq18zZ3Rtcbhfd.exe	99
PID 1700 wrote to memory of 3684	1700	TKq18zZ3Rtcbhfd.exe	101
PID 1700 wrote to memory of 3684	1700	TKq18zZ3Rtcbhfd.exe	101
PID 1700 wrote to memory of 3684	1700	TKq18zZ3Rtcbhfd.exe	101
PID 1700 wrote to memory of 5004	1700	TKq18zZ3Rtcbhfd.exe	103
PID 1700 wrote to memory of 5004	1700	TKq18zZ3Rtcbhfd.exe	103
PID 1700 wrote to memory of 5004	1700	TKq18zZ3Rtcbhfd.exe	103
PID 1700 wrote to memory of 1484	1700	TKq18zZ3Rtcbhfd.exe	104
PID 1700 wrote to memory of 1484	1700	TKq18zZ3Rtcbhfd.exe	104
PID 1700 wrote to memory of 1484	1700	TKq18zZ3Rtcbhfd.exe	104
PID 1700 wrote to memory of 4472	1700	TKq18zZ3Rtcbhfd.exe	105
PID 1700 wrote to memory of 4472	1700	TKq18zZ3Rtcbhfd.exe	105
PID 1700 wrote to memory of 4472	1700	TKq18zZ3Rtcbhfd.exe	105
PID 1700 wrote to memory of 4472	1700	TKq18zZ3Rtcbhfd.exe	105
PID 1700 wrote to memory of 4472	1700	TKq18zZ3Rtcbhfd.exe	105
PID 1700 wrote to memory of 4472	1700	TKq18zZ3Rtcbhfd.exe	105
PID 3624 wrote to memory of 440	3624	Explorer.EXE	106
PID 3624 wrote to memory of 440	3624	Explorer.EXE	106
PID 3624 wrote to memory of 440	3624	Explorer.EXE	106
PID 440 wrote to memory of 3884	440	svchost.exe	107
PID 440 wrote to memory of 3884	440	svchost.exe	107
PID 440 wrote to memory of 3884	440	svchost.exe	107

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3624
- C:\Users\Admin\AppData\Local\Temp\TKq18zZ3Rtcbhfd.exe
  "C:\Users\Admin\AppData\Local\Temp\TKq18zZ3Rtcbhfd.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:1700
- - 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\TKq18zZ3Rtcbhfd.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3664
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ChQJmcO.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4052
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ChQJmcO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpED7D.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3684
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:5004
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:1484
- - 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:4472
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:440
- - 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:3884

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
91b10784a3a404b35ff4ee145202c7f0

SHA1
e0704ac2735f705f995e6e72d04cb99a16079f27

SHA256
f4818947f5f6d69ff74ea9208581463c8d7b718ce967bfe472382f7bf15bbe2c

SHA512
d564e3d337012cb084a21f43ac8b8e4ef941cbc7fc9f1ef06600fb59359cd0959a52b65224e8d85a9ddaf636ba0b5ff2a5cbb5cd25c920f81940ed2b8eda37d7

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2jzxddpa.dao.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpED7D.tmp

Filesize
1KB

MD5
b8d3b6ddf24cd2cd9f987ec3f64957d5

SHA1
0cf017a5985d0ddc6ca9af50d5be7305ee82dd64

SHA256
7e287b4e7cbc194f25a98bab1d47ae2c3c17b19978c9fe94254b816d8e930c97

SHA512
368391b9558cc5c42c532a2727e03ee9d8870157656b078c71940a1d6b778dde9966ee4096a8bce17ac356e1e5d719f86d4f6c93c808bc957be944c5c4a4c775

Download Submit
memory/440-93-0x0000000000D10000-0x0000000000D3F000-memory.dmp

Filesize
188KB

Download
memory/440-53-0x0000000000090000-0x000000000009E000-memory.dmp

Filesize
56KB

Download
memory/440-52-0x0000000000090000-0x000000000009E000-memory.dmp

Filesize
56KB

Download
memory/1700-5-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/1700-8-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/1700-9-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/1700-10-0x0000000006580000-0x00000000065FA000-memory.dmp

Filesize
488KB

Download
memory/1700-7-0x0000000005390000-0x00000000053AA000-memory.dmp

Filesize
104KB

Download
memory/1700-6-0x00000000051D0000-0x000000000526C000-memory.dmp

Filesize
624KB

Download
memory/1700-48-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/1700-4-0x00000000050E0000-0x00000000050EA000-memory.dmp

Filesize
40KB

Download
memory/1700-3-0x0000000004F20000-0x0000000004FB2000-memory.dmp

Filesize
584KB

Download
memory/1700-2-0x00000000053D0000-0x0000000005974000-memory.dmp

Filesize
5.6MB

Download
memory/1700-1-0x0000000000490000-0x0000000000544000-memory.dmp

Filesize
720KB

Download
memory/1700-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/3624-98-0x00000000029E0000-0x0000000002A82000-memory.dmp

Filesize
648KB

Download
memory/3664-21-0x00000000054D0000-0x0000000005536000-memory.dmp

Filesize
408KB

Download
memory/3664-83-0x0000000007110000-0x0000000007124000-memory.dmp

Filesize
80KB

Download
memory/3664-15-0x0000000002280000-0x00000000022B6000-memory.dmp

Filesize
216KB

Download
memory/3664-17-0x0000000004E30000-0x0000000005458000-memory.dmp

Filesize
6.2MB

Download
memory/3664-30-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3664-16-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3664-20-0x0000000004E00000-0x0000000004E22000-memory.dmp

Filesize
136KB

Download
memory/3664-50-0x0000000005BC0000-0x0000000005BDE000-memory.dmp

Filesize
120KB

Download
memory/3664-51-0x0000000006120000-0x000000000616C000-memory.dmp

Filesize
304KB

Download
memory/3664-24-0x0000000005540000-0x00000000055A6000-memory.dmp

Filesize
408KB

Download
memory/3664-92-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3664-54-0x0000000006B80000-0x0000000006BB2000-memory.dmp

Filesize
200KB

Download
memory/3664-55-0x0000000074F80000-0x0000000074FCC000-memory.dmp

Filesize
304KB

Download
memory/3664-65-0x0000000006190000-0x00000000061AE000-memory.dmp

Filesize
120KB

Download
memory/3664-66-0x0000000006BC0000-0x0000000006C63000-memory.dmp

Filesize
652KB

Download
memory/3664-18-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3664-78-0x0000000006ED0000-0x0000000006EEA000-memory.dmp

Filesize
104KB

Download
memory/3664-77-0x0000000007510000-0x0000000007B8A000-memory.dmp

Filesize
6.5MB

Download
memory/3664-85-0x00000000071F0000-0x00000000071F8000-memory.dmp

Filesize
32KB

Download
memory/3664-35-0x00000000055B0000-0x0000000005904000-memory.dmp

Filesize
3.3MB

Download
memory/4052-81-0x00000000076E0000-0x00000000076F1000-memory.dmp

Filesize
68KB

Download
memory/4052-82-0x0000000007710000-0x000000000771E000-memory.dmp

Filesize
56KB

Download
memory/4052-80-0x0000000007760000-0x00000000077F6000-memory.dmp

Filesize
600KB

Download
memory/4052-84-0x0000000007820000-0x000000000783A000-memory.dmp

Filesize
104KB

Download
memory/4052-79-0x0000000007550000-0x000000000755A000-memory.dmp

Filesize
40KB

Download
memory/4052-88-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4052-67-0x0000000074F80000-0x0000000074FCC000-memory.dmp

Filesize
304KB

Download
memory/4052-19-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4052-26-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4052-36-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4472-46-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download