formbook | 64556f7106de6f8b8825085e8463d19ead30baa55febb49752e681341a9e4d66

Analysis

max time kernel
92s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 00:39

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General

Target

1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe
Size

807KB
MD5

178a7a9746f4671d810b5f451870f4e0
SHA1

980c97f058d1248411d9ebc17383ab031fa4e1e6
SHA256

1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01
SHA512

373e0e4b9760c36c84e182d68d10c5757d6b7d9d572eb3adda8acd0bffaded5df495097805827b4e21a19fd31c458a46e02184f8b31ba5f7dd564fc2104f9f1a
SSDEEP

12288:hsZP7BAr0ik1U11R/5PG6nlY6lJf45rmtVSShhzgD9VwF/302CrQW:XkSPTPTNvI92x0

Score

10^/10

formbook mzk6 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mzk6

Decoy

mobelhouse.com

legaltranscriptionfromhome.com

hostmore.top

3kkb.com

whitepearl.space

tavatars.xyz

zhijianai.com

growfollows.xyz

aloua.net

the-mlm-software.com

justice4jimkent.com

iicse.top

blondemarketingsolutions.net

oncochart.online

firebird.group

jinanjiazi.com

aizoulu.top

scalpmicrocourse.co.uk

sugarplumpaper.net

pingmetech.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/4332-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3968	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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 628 set thread context of 4332	628	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe	104

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 3 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	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
4536	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3968	powershell.exe
4332	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe
4332	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe
3968	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3968	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 3968	628	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe	100
PID 628 wrote to memory of 3968	628	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe	100
PID 628 wrote to memory of 3968	628	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe	100
PID 628 wrote to memory of 4536	628	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe	102
PID 628 wrote to memory of 4536	628	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe	102
PID 628 wrote to memory of 4536	628	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe	102
PID 628 wrote to memory of 4332	628	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe	104
PID 628 wrote to memory of 4332	628	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe	104
PID 628 wrote to memory of 4332	628	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe	104
PID 628 wrote to memory of 4332	628	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe	104
PID 628 wrote to memory of 4332	628	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe	104
PID 628 wrote to memory of 4332	628	1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe	104

C:\Users\Admin\AppData\Local\Temp\1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe
"C:\Users\Admin\AppData\Local\Temp\1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:628
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OsuDEZKiGltX.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3968
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OsuDEZKiGltX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1E80.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4536
- C:\Users\Admin\AppData\Local\Temp\1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe
  "C:\Users\Admin\AppData\Local\Temp\1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4332

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\Temp\__PSScriptPolicyTest_b1hahbyi.4vy.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1E80.tmp

Filesize
1KB

MD5
028bbe7806a7ab952faea1879c48de3a

SHA1
26c965d38bb0975c1243086acb773b58470928a4

SHA256
a44ac165cc8baa783618341e4a308650697bd2340bed2e51efa3abca46fe91b0

SHA512
a24ee4822ce3913b7f64df41bfe35a0655dc92cde1f4abe1a30330d0854074026f1bbfe71b7f41d9e6beeb96775c3f3e810593a2d32d911c4f190ac53af1665c

Download Submit
memory/628-4-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/628-9-0x0000000007C40000-0x0000000007C4C000-memory.dmp

Filesize
48KB

Download
memory/628-20-0x000000000A6A0000-0x000000000A6DA000-memory.dmp

Filesize
232KB

Download
memory/628-5-0x0000000004E50000-0x0000000004E5A000-memory.dmp

Filesize
40KB

Download
memory/628-6-0x00000000064A0000-0x00000000064BA000-memory.dmp

Filesize
104KB

Download
memory/628-7-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/628-8-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/628-3-0x0000000004CB0000-0x0000000004D42000-memory.dmp

Filesize
584KB

Download
memory/628-10-0x000000000A450000-0x000000000A4CE000-memory.dmp

Filesize
504KB

Download
memory/628-11-0x000000000A570000-0x000000000A60C000-memory.dmp

Filesize
624KB

Download
memory/628-2-0x00000000051C0000-0x0000000005764000-memory.dmp

Filesize
5.6MB

Download
memory/628-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/628-29-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/628-1-0x00000000001E0000-0x00000000002B0000-memory.dmp

Filesize
832KB

Download
memory/3968-28-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3968-42-0x000000007F270000-0x000000007F280000-memory.dmp

Filesize
64KB

Download
memory/3968-67-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3968-27-0x00000000060F0000-0x0000000006444000-memory.dmp

Filesize
3.3MB

Download
memory/3968-17-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3968-64-0x0000000007D60000-0x0000000007D68000-memory.dmp

Filesize
32KB

Download
memory/3968-18-0x0000000005830000-0x0000000005E58000-memory.dmp

Filesize
6.2MB

Download
memory/3968-16-0x0000000002E30000-0x0000000002E66000-memory.dmp

Filesize
216KB

Download
memory/3968-24-0x0000000005F40000-0x0000000005FA6000-memory.dmp

Filesize
408KB

Download
memory/3968-23-0x0000000005E60000-0x0000000005EC6000-memory.dmp

Filesize
408KB

Download
memory/3968-22-0x0000000005750000-0x0000000005772000-memory.dmp

Filesize
136KB

Download
memory/3968-40-0x0000000006700000-0x000000000671E000-memory.dmp

Filesize
120KB

Download
memory/3968-41-0x00000000067B0000-0x00000000067FC000-memory.dmp

Filesize
304KB

Download
memory/3968-25-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3968-43-0x00000000076D0000-0x0000000007702000-memory.dmp

Filesize
200KB

Download
memory/3968-44-0x0000000074C80000-0x0000000074CCC000-memory.dmp

Filesize
304KB

Download
memory/3968-54-0x0000000006CD0000-0x0000000006CEE000-memory.dmp

Filesize
120KB

Download
memory/3968-55-0x0000000007710000-0x00000000077B3000-memory.dmp

Filesize
652KB

Download
memory/3968-56-0x0000000008080000-0x00000000086FA000-memory.dmp

Filesize
6.5MB

Download
memory/3968-57-0x0000000007A40000-0x0000000007A5A000-memory.dmp

Filesize
104KB

Download
memory/3968-58-0x0000000007AB0000-0x0000000007ABA000-memory.dmp

Filesize
40KB

Download
memory/3968-59-0x0000000007CC0000-0x0000000007D56000-memory.dmp

Filesize
600KB

Download
memory/3968-60-0x0000000007C40000-0x0000000007C51000-memory.dmp

Filesize
68KB

Download
memory/3968-61-0x0000000007C70000-0x0000000007C7E000-memory.dmp

Filesize
56KB

Download
memory/3968-62-0x0000000007C80000-0x0000000007C94000-memory.dmp

Filesize
80KB

Download
memory/3968-63-0x0000000007D80000-0x0000000007D9A000-memory.dmp

Filesize
104KB

Download
memory/4332-30-0x00000000013A0000-0x00000000016EA000-memory.dmp

Filesize
3.3MB

Download
memory/4332-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download