formbook | 8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912

Analysis

max time kernel
147s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-10-2024 15:23

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General

Target

Payment Reciept FL202306150003 Request 10273 Konturteile.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 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2280-19-0x0000000005040000-0x000000000506F000-memory.dmp	formbook
behavioral1/memory/2620-29-0x0000000000080000-0x00000000000AF000-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
2428	powershell.exe
2996	powershell.exe

Deletes itself 1 IoCs

pid	Process
2956	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2280 set thread context of 2544	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	37
PID 2544 set thread context of 1128	2544	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	20
PID 2620 set thread context of 1128	2620	colorcpl.exe	20

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payment Reciept FL202306150003 Request 10273 Konturteile.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2704	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe
2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe
2544	Payment Reciept FL202306150003 Request 10273 Konturteile.exe
2996	powershell.exe
2428	powershell.exe
2544	Payment Reciept FL202306150003 Request 10273 Konturteile.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe
2620	colorcpl.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2544	Payment Reciept FL202306150003 Request 10273 Konturteile.exe
2544	Payment Reciept FL202306150003 Request 10273 Konturteile.exe
2544	Payment Reciept FL202306150003 Request 10273 Konturteile.exe
2620	colorcpl.exe
2620	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe
Token: SeDebugPrivilege	2996	powershell.exe
Token: SeDebugPrivilege	2428	powershell.exe
Token: SeDebugPrivilege	2544	Payment Reciept FL202306150003 Request 10273 Konturteile.exe
Token: SeDebugPrivilege	2620	colorcpl.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2428	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	31
PID 2280 wrote to memory of 2428	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	31
PID 2280 wrote to memory of 2428	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	31
PID 2280 wrote to memory of 2428	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	31
PID 2280 wrote to memory of 2996	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	33
PID 2280 wrote to memory of 2996	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	33
PID 2280 wrote to memory of 2996	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	33
PID 2280 wrote to memory of 2996	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	33
PID 2280 wrote to memory of 2704	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	35
PID 2280 wrote to memory of 2704	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	35
PID 2280 wrote to memory of 2704	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	35
PID 2280 wrote to memory of 2704	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	35
PID 2280 wrote to memory of 2544	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	37
PID 2280 wrote to memory of 2544	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	37
PID 2280 wrote to memory of 2544	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	37
PID 2280 wrote to memory of 2544	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	37
PID 2280 wrote to memory of 2544	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	37
PID 2280 wrote to memory of 2544	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	37
PID 2280 wrote to memory of 2544	2280	Payment Reciept FL202306150003 Request 10273 Konturteile.exe	37
PID 1128 wrote to memory of 2620	1128	Explorer.EXE	38
PID 1128 wrote to memory of 2620	1128	Explorer.EXE	38
PID 1128 wrote to memory of 2620	1128	Explorer.EXE	38
PID 1128 wrote to memory of 2620	1128	Explorer.EXE	38
PID 2620 wrote to memory of 2956	2620	colorcpl.exe	39
PID 2620 wrote to memory of 2956	2620	colorcpl.exe	39
PID 2620 wrote to memory of 2956	2620	colorcpl.exe	39
PID 2620 wrote to memory of 2956	2620	colorcpl.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Users\Admin\AppData\Local\Temp\Payment Reciept FL202306150003 Request 10273 Konturteile.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment Reciept FL202306150003 Request 10273 Konturteile.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2280
- - 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\Payment Reciept FL202306150003 Request 10273 Konturteile.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2428
- - 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"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2996
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zkNunrbol" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEDF7.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2704
- - C:\Users\Admin\AppData\Local\Temp\Payment Reciept FL202306150003 Request 10273 Konturteile.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Reciept FL202306150003 Request 10273 Konturteile.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2544
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.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:2620
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Payment Reciept FL202306150003 Request 10273 Konturteile.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2956

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\tmpEDF7.tmp

Filesize
1KB

MD5
26fccdf056c3cddc4546b10aec7e358f

SHA1
a5d3b21d147f2f0562f4526cc226abe4cec36c62

SHA256
303ccff5a07afc761bc5b8f35a1a081c254afa8352c8672dba858ccfb46e0c15

SHA512
cfffd4df55cff1b2fa86def23295a1aabd9d14d71e1b72b6220bca681e11f7b7cfe986d4020da81050c0c753414760b412c4cc3fb3af5b4720826994edb20065

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\JP46FI7NQ2D2NRNN2N5J.temp

Filesize
7KB

MD5
f21ba6628bf37ce70f7f5ace24b05bb5

SHA1
2270a5c76efe99e71bd1feb1f0e714c335b60be7

SHA256
86711294778edd109f163f37ea6449c7a1d8f82e80ce19aaed9754482d226aca

SHA512
71c3bda8395a949cade512994ecdebea0f433e2c8e76ef4f2eb59ae6dedf9e08daef6880ea93ff3376b282ba2d45efc9091a683863b28c66e4d0e172d936df1c

Download Submit
memory/2280-4-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/2280-19-0x0000000005040000-0x000000000506F000-memory.dmp

Filesize
188KB

Download
memory/2280-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/2280-5-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/2280-6-0x00000000043A0000-0x0000000004416000-memory.dmp

Filesize
472KB

Download
memory/2280-2-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/2280-1-0x0000000000EF0000-0x0000000000F96000-memory.dmp

Filesize
664KB

Download
memory/2280-3-0x00000000004C0000-0x00000000004DC000-memory.dmp

Filesize
112KB

Download
memory/2280-27-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/2544-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2544-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2544-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2620-28-0x0000000000230000-0x0000000000248000-memory.dmp

Filesize
96KB

Download
memory/2620-29-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download