trickbot | cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26-10-2024 18:35

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General

Target

cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe
Size

368KB
MD5

702c98595007bdd8acdeaadb6eb63660
SHA1

dc225122e3864e6705a0f5c2f4e19ed5ec3f5231
SHA256

cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773
SHA512

296b987a531eef416da4e6678f27e1a20e1d2580b790078bec361db0747fab6c790ea7d800b3e666ab04a5d76bb589338dc668315513dd2e7caafed9d384a0b2
SSDEEP

6144:eo5N5OazOZaTDWlVnrchrahdOxveC2wo80/agxb0zLz4qY:emSuOcHmnYhrDMTrban4qY

Score

10^/10

trickbot banker discovery evasion execution trojan

Malware Config

Signatures

Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
trojan banker trickbot
Trickbot family
trickbot

Trickbot x86 loader 4 IoCs

Detected Trickbot's x86 loader that unpacks the x86 payload.

resource	yara_rule
behavioral1/memory/2776-1-0x0000000000080000-0x00000000000A9000-memory.dmp	trickbot_loader32
behavioral1/memory/2776-6-0x0000000000080000-0x00000000000A9000-memory.dmp	trickbot_loader32
behavioral1/memory/2456-10-0x00000000000D0000-0x00000000000F9000-memory.dmp	trickbot_loader32
behavioral1/memory/2456-20-0x00000000000D0000-0x00000000000F9000-memory.dmp	trickbot_loader32

Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 2 IoCs

pid	Process
2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe
2984	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe

Loads dropped DLL 1 IoCs

pid	Process
2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2724	powershell.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2916	sc.exe
2808	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 9 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe
2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe
2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe
2724	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2724	powershell.exe
Token: SeTcbPrivilege	2984	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2852	2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	30
PID 2776 wrote to memory of 2852	2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	30
PID 2776 wrote to memory of 2852	2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	30
PID 2776 wrote to memory of 2852	2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	30
PID 2776 wrote to memory of 2872	2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	31
PID 2776 wrote to memory of 2872	2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	31
PID 2776 wrote to memory of 2872	2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	31
PID 2776 wrote to memory of 2872	2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	31
PID 2776 wrote to memory of 2780	2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	34
PID 2776 wrote to memory of 2780	2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	34
PID 2776 wrote to memory of 2780	2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	34
PID 2776 wrote to memory of 2780	2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	34
PID 2776 wrote to memory of 2456	2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	36
PID 2776 wrote to memory of 2456	2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	36
PID 2776 wrote to memory of 2456	2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	36
PID 2776 wrote to memory of 2456	2776	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	36
PID 2780 wrote to memory of 2724	2780	cmd.exe	39
PID 2780 wrote to memory of 2724	2780	cmd.exe	39
PID 2780 wrote to memory of 2724	2780	cmd.exe	39
PID 2780 wrote to memory of 2724	2780	cmd.exe	39
PID 2852 wrote to memory of 2808	2852	cmd.exe	37
PID 2852 wrote to memory of 2808	2852	cmd.exe	37
PID 2852 wrote to memory of 2808	2852	cmd.exe	37
PID 2852 wrote to memory of 2808	2852	cmd.exe	37
PID 2872 wrote to memory of 2916	2872	cmd.exe	38
PID 2872 wrote to memory of 2916	2872	cmd.exe	38
PID 2872 wrote to memory of 2916	2872	cmd.exe	38
PID 2872 wrote to memory of 2916	2872	cmd.exe	38
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2456 wrote to memory of 2868	2456	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2936 wrote to memory of 2984	2936	taskeng.exe	43
PID 2936 wrote to memory of 2984	2936	taskeng.exe	43
PID 2936 wrote to memory of 2984	2936	taskeng.exe	43
PID 2936 wrote to memory of 2984	2936	taskeng.exe	43
PID 2984 wrote to memory of 2052	2984	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	44
PID 2984 wrote to memory of 2052	2984	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	44
PID 2984 wrote to memory of 2052	2984	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	44
PID 2984 wrote to memory of 2052	2984	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	44
PID 2984 wrote to memory of 2052	2984	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	44
PID 2984 wrote to memory of 2052	2984	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	44
PID 2984 wrote to memory of 2052	2984	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	44
PID 2984 wrote to memory of 2052	2984	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	44
PID 2984 wrote to memory of 2052	2984	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	44

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe
"C:\Users\Admin\AppData\Local\Temp\cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Windows\SysWOW64\cmd.exe
  /c sc stop WinDefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2852
- - C:\Windows\SysWOW64\sc.exe
    sc stop WinDefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2808
- C:\Windows\SysWOW64\cmd.exe
  /c sc delete WinDefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\SysWOW64\sc.exe
    sc delete WinDefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2916
- C:\Windows\SysWOW64\cmd.exe
  /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell Set-MpPreference -DisableRealtimeMonitoring $true
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2724
- C:\Users\Admin\AppData\Roaming\WNetval\cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe
  C:\Users\Admin\AppData\Roaming\WNetval\cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:2868

C:\Windows\system32\taskeng.exe
taskeng.exe {09B1D76F-96CB-4D03-B8B5-B5E9C43C9634} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Users\Admin\AppData\Roaming\WNetval\cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe
  C:\Users\Admin\AppData\Roaming\WNetval\cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2984
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:2052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3692679935-4019334568-335155002-1000\0f5007522459c86e95ffcc62f32308f1_6110149a-fcf0-442a-a749-601093ba4822

Filesize
1KB

MD5
3cea87ee49c8ff36855832d1f91a7cdd

SHA1
840fed369eff78bd8567043e0c3f9930916089bf

SHA256
4b708971caa84623f1227062fdfd06e89e57f9d57303e6d9dd23e8d23d37a905

SHA512
9cc8daaa43c7d22666d342a5de0ca76cc2a279ad793db1e0b37837b6a5b761887a84cb8ca5425f9d5b14f1cf9a08b2744aacbab5aa5b4e0379c4af6506e8fb03

Download Submit
\Users\Admin\AppData\Roaming\WNetval\cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe

Filesize
368KB

MD5
702c98595007bdd8acdeaadb6eb63660

SHA1
dc225122e3864e6705a0f5c2f4e19ed5ec3f5231

SHA256
cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773

SHA512
296b987a531eef416da4e6678f27e1a20e1d2580b790078bec361db0747fab6c790ea7d800b3e666ab04a5d76bb589338dc668315513dd2e7caafed9d384a0b2

Download Submit
memory/2456-10-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/2456-12-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download
memory/2456-20-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/2456-11-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download
memory/2776-1-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2776-6-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2868-16-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/2868-15-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download