formbook | 8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912

Analysis

max time kernel
133s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2024 15:26

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General

Target

PaymentRecieptFL202306150003Request10273Konturteile.exe
Size

640KB
MD5

ee8c76a8b405027bc5307c4543d7b86f
SHA1

5b1bec9b55e8f8d94989c1a627a73899c5d6fcd2
SHA256

8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912
SHA512

fd9915466193d3370f5fe4535b51e0c506e6998ae04c64d7aac7d5c677f74f5e2fd8cdb19b2209fad995993ea6cc1bd5e773a1cd432b52db6a8c081a17e7011f
SSDEEP

12288:d3khMOoltiJ3QNnyYm6LRNVjXMV1Nr6UdOJHf6rOcnJ8UJSvbsBFqo7qMasQ3CiC:d3kh5oDiJgyYBLRNVjm+NALnJ80Svbsr

Score

10^/10

formbook cu29 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cu29

Decoy

qidr.shop

usinessaviationconsulting.net

68716329.xyz

nd-los.net

ealthironcladguarantee.shop

oftware-download-69354.bond

48372305.top

omeownershub.top

mall-chilli.top

ajakgoid.online

ire-changer-53482.bond

rugsrx.shop

oyang123.info

azino-forum-pro.online

817715.rest

layman.vip

eb777.club

ovatonica.net

urgaslotvip.website

inn-paaaa.buzz

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/2324-33-0x000000000BE30000-0x000000000BE5F000-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
4252	powershell.exe
1728	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	PaymentRecieptFL202306150003Request10273Konturteile.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2324 set thread context of 3716	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	102

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 4 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	PaymentRecieptFL202306150003Request10273Konturteile.exe
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

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
4024	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2324	PaymentRecieptFL202306150003Request10273Konturteile.exe
1728	powershell.exe
4252	powershell.exe
4252	powershell.exe
2324	PaymentRecieptFL202306150003Request10273Konturteile.exe
2324	PaymentRecieptFL202306150003Request10273Konturteile.exe
2324	PaymentRecieptFL202306150003Request10273Konturteile.exe
2324	PaymentRecieptFL202306150003Request10273Konturteile.exe
4252	powershell.exe
1728	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe
Token: SeDebugPrivilege	4252	powershell.exe
Token: SeDebugPrivilege	1728	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 4252	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	95
PID 2324 wrote to memory of 4252	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	95
PID 2324 wrote to memory of 4252	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	95
PID 2324 wrote to memory of 1728	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	97
PID 2324 wrote to memory of 1728	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	97
PID 2324 wrote to memory of 1728	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	97
PID 2324 wrote to memory of 4024	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	99
PID 2324 wrote to memory of 4024	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	99
PID 2324 wrote to memory of 4024	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	99
PID 2324 wrote to memory of 2748	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	101
PID 2324 wrote to memory of 2748	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	101
PID 2324 wrote to memory of 2748	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	101
PID 2324 wrote to memory of 3716	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	102
PID 2324 wrote to memory of 3716	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	102
PID 2324 wrote to memory of 3716	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	102
PID 2324 wrote to memory of 3716	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	102
PID 2324 wrote to memory of 3716	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	102
PID 2324 wrote to memory of 3716	2324	PaymentRecieptFL202306150003Request10273Konturteile.exe	102

C:\Users\Admin\AppData\Local\Temp\PaymentRecieptFL202306150003Request10273Konturteile.exe
"C:\Users\Admin\AppData\Local\Temp\PaymentRecieptFL202306150003Request10273Konturteile.exe"
1⤵
- 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:2324
- 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\PaymentRecieptFL202306150003Request10273Konturteile.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4252
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zkNunrbol.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1728
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zkNunrbol" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCAD2.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4024
- C:\Users\Admin\AppData\Local\Temp\PaymentRecieptFL202306150003Request10273Konturteile.exe
  "C:\Users\Admin\AppData\Local\Temp\PaymentRecieptFL202306150003Request10273Konturteile.exe"
  2⤵
  PID:2748
- C:\Users\Admin\AppData\Local\Temp\PaymentRecieptFL202306150003Request10273Konturteile.exe
  "C:\Users\Admin\AppData\Local\Temp\PaymentRecieptFL202306150003Request10273Konturteile.exe"
  2⤵
  PID:3716

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
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
51303b5f0e8d2920b650372f261a0789

SHA1
3c7355a11b304cf795b2afeb715ba6f328b8db21

SHA256
38345d04327ea07692e227ea926389b4840f4a38c6e0dd13d9138bcd0b047ab4

SHA512
5960bcda5e4e55c854b68dbb59677a65bf36dc368f569b33a444a225ecdb4f4a4bea4a41b46da10a10beabeab8aa283866002d208af70267df587273453adf32

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zjstlniz.px3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCAD2.tmp

Filesize
1KB

MD5
fe1ecbf98ea64a7d6cb06b6a4b18fea8

SHA1
ec4f126cf5d41d505ed7aca3f312a7998551bf9a

SHA256
a12716cceb74c8c60e13f35da624270203c062befbd6b19dcd290490e56a4959

SHA512
2093a8000c86f75534f94d41e913816bb6939f2169bc1620af3c36d36ad48f56f24e36a84853f92acd230a20448e8c2e937b1f75db7b6d94e39fab8a1f78a59f

Download Submit
memory/1728-20-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/1728-77-0x0000000007300000-0x000000000730A000-memory.dmp

Filesize
40KB

Download
memory/1728-72-0x00000000070F0000-0x000000000710E000-memory.dmp

Filesize
120KB

Download
memory/1728-53-0x0000000075470000-0x00000000754BC000-memory.dmp

Filesize
304KB

Download
memory/1728-52-0x0000000007110000-0x0000000007142000-memory.dmp

Filesize
200KB

Download
memory/1728-75-0x00000000078D0000-0x0000000007F4A000-memory.dmp

Filesize
6.5MB

Download
memory/1728-76-0x0000000007280000-0x000000000729A000-memory.dmp

Filesize
104KB

Download
memory/1728-25-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/1728-90-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/1728-80-0x00000000074B0000-0x00000000074BE000-memory.dmp

Filesize
56KB

Download
memory/1728-26-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/1728-83-0x00000000075A0000-0x00000000075A8000-memory.dmp

Filesize
32KB

Download
memory/1728-74-0x0000000007150000-0x00000000071F3000-memory.dmp

Filesize
652KB

Download
memory/1728-81-0x00000000074C0000-0x00000000074D4000-memory.dmp

Filesize
80KB

Download
memory/1728-82-0x00000000075C0000-0x00000000075DA000-memory.dmp

Filesize
104KB

Download
memory/2324-2-0x0000000005500000-0x0000000005AA4000-memory.dmp

Filesize
5.6MB

Download
memory/2324-5-0x0000000005230000-0x00000000052CC000-memory.dmp

Filesize
624KB

Download
memory/2324-3-0x0000000004FF0000-0x0000000005082000-memory.dmp

Filesize
584KB

Download
memory/2324-4-0x0000000004F80000-0x0000000004F8A000-memory.dmp

Filesize
40KB

Download
memory/2324-33-0x000000000BE30000-0x000000000BE5F000-memory.dmp

Filesize
188KB

Download
memory/2324-1-0x0000000000610000-0x00000000006B6000-memory.dmp

Filesize
664KB

Download
memory/2324-49-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/2324-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/2324-10-0x00000000088F0000-0x0000000008966000-memory.dmp

Filesize
472KB

Download
memory/2324-9-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/2324-8-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/2324-7-0x00000000051F0000-0x000000000520C000-memory.dmp

Filesize
112KB

Download
memory/2324-6-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/4252-15-0x0000000002410000-0x0000000002446000-memory.dmp

Filesize
216KB

Download
memory/4252-63-0x0000000075470000-0x00000000754BC000-memory.dmp

Filesize
304KB

Download
memory/4252-51-0x0000000005DE0000-0x0000000005E2C000-memory.dmp

Filesize
304KB

Download
memory/4252-50-0x0000000005D50000-0x0000000005D6E000-memory.dmp

Filesize
120KB

Download
memory/4252-23-0x0000000004E20000-0x0000000004E86000-memory.dmp

Filesize
408KB

Download
memory/4252-78-0x00000000072F0000-0x0000000007386000-memory.dmp

Filesize
600KB

Download
memory/4252-79-0x0000000007270000-0x0000000007281000-memory.dmp

Filesize
68KB

Download
memory/4252-32-0x0000000005770000-0x0000000005AC4000-memory.dmp

Filesize
3.3MB

Download
memory/4252-24-0x0000000004E90000-0x0000000004EF6000-memory.dmp

Filesize
408KB

Download
memory/4252-22-0x0000000004D80000-0x0000000004DA2000-memory.dmp

Filesize
136KB

Download
memory/4252-19-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/4252-89-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/4252-18-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/4252-16-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/4252-17-0x0000000005040000-0x0000000005668000-memory.dmp

Filesize
6.2MB

Download