trickbot | cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-10-2024 18:24

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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 3 IoCs

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

resource	yara_rule
behavioral1/memory/2404-1-0x00000000001B0000-0x00000000001D9000-memory.dmp	trickbot_loader32
behavioral1/memory/2404-7-0x00000000001B0000-0x00000000001D9000-memory.dmp	trickbot_loader32
behavioral1/memory/2732-19-0x0000000000400000-0x0000000000429000-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
2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe
764	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe

Loads dropped DLL 1 IoCs

pid	Process
2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2840	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
2672	sc.exe
2624	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	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	sc.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe
2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe
2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe
2840	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	powershell.exe
Token: SeTcbPrivilege	764	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 1768	2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	30
PID 2404 wrote to memory of 1768	2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	30
PID 2404 wrote to memory of 1768	2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	30
PID 2404 wrote to memory of 1768	2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	30
PID 2404 wrote to memory of 2612	2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	31
PID 2404 wrote to memory of 2612	2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	31
PID 2404 wrote to memory of 2612	2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	31
PID 2404 wrote to memory of 2612	2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	31
PID 2404 wrote to memory of 2380	2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	33
PID 2404 wrote to memory of 2380	2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	33
PID 2404 wrote to memory of 2380	2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	33
PID 2404 wrote to memory of 2380	2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	33
PID 2404 wrote to memory of 2732	2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	36
PID 2404 wrote to memory of 2732	2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	36
PID 2404 wrote to memory of 2732	2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	36
PID 2404 wrote to memory of 2732	2404	cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773N.exe	36
PID 1768 wrote to memory of 2672	1768	cmd.exe	37
PID 1768 wrote to memory of 2672	1768	cmd.exe	37
PID 1768 wrote to memory of 2672	1768	cmd.exe	37
PID 1768 wrote to memory of 2672	1768	cmd.exe	37
PID 2612 wrote to memory of 2624	2612	cmd.exe	38
PID 2612 wrote to memory of 2624	2612	cmd.exe	38
PID 2612 wrote to memory of 2624	2612	cmd.exe	38
PID 2612 wrote to memory of 2624	2612	cmd.exe	38
PID 2380 wrote to memory of 2840	2380	cmd.exe	39
PID 2380 wrote to memory of 2840	2380	cmd.exe	39
PID 2380 wrote to memory of 2840	2380	cmd.exe	39
PID 2380 wrote to memory of 2840	2380	cmd.exe	39
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2732 wrote to memory of 2964	2732	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	40
PID 2884 wrote to memory of 764	2884	taskeng.exe	42
PID 2884 wrote to memory of 764	2884	taskeng.exe	42
PID 2884 wrote to memory of 764	2884	taskeng.exe	42
PID 2884 wrote to memory of 764	2884	taskeng.exe	42
PID 764 wrote to memory of 324	764	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	43
PID 764 wrote to memory of 324	764	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	43
PID 764 wrote to memory of 324	764	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	43
PID 764 wrote to memory of 324	764	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	43
PID 764 wrote to memory of 324	764	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	43
PID 764 wrote to memory of 324	764	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	43
PID 764 wrote to memory of 324	764	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	43
PID 764 wrote to memory of 324	764	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	43
PID 764 wrote to memory of 324	764	cb8cf6a89cfe31f0419196dc99b87f09d199bfcf9a73ce93649293b71c281883N.exe	43

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:2404
- C:\Windows\SysWOW64\cmd.exe
  /c sc stop WinDefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1768
- - C:\Windows\SysWOW64\sc.exe
    sc stop WinDefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2672
- C:\Windows\SysWOW64\cmd.exe
  /c sc delete WinDefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2612
- - C:\Windows\SysWOW64\sc.exe
    sc delete WinDefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2624
- C:\Windows\SysWOW64\cmd.exe
  /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2380
- - 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:2840
- 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:2732
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:2964

C:\Windows\system32\taskeng.exe
taskeng.exe {737AD9AB-FFC9-422D-938E-0D81322C7241} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2884
- 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:764
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:324

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-1-5-21-3551809350-4263495960-1443967649-1000\0f5007522459c86e95ffcc62f32308f1_5a410d66-f84f-4a6b-9b29-3982febe58d9

Filesize
1KB

MD5
82efe189c1847e0006899dcc39779181

SHA1
d40bb28db306381c113b287d8c798f1bf477ad60

SHA256
ede73c62cf97469d5424a2fd9b3799b642ef866eb2fd175877e91415ffe12328

SHA512
a61abf21dce56db6e8608d16f789f7e3f5f3bee47b0cdcda59f012173f8915cff37d685e1e52ea8aaa5b892e23fa5f45f4869c021b7ff73d40c8a4baa416a303

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

Filesize
368KB

MD5
702c98595007bdd8acdeaadb6eb63660

SHA1
dc225122e3864e6705a0f5c2f4e19ed5ec3f5231

SHA256
cb7cf5a78cfe31f0419195dc89b76f08d198bfcf9a63ce93548293b61c271773

SHA512
296b987a531eef416da4e6678f27e1a20e1d2580b790078bec361db0747fab6c790ea7d800b3e666ab04a5d76bb589338dc668315513dd2e7caafed9d384a0b2

Download Submit
memory/2404-1-0x00000000001B0000-0x00000000001D9000-memory.dmp

Filesize
164KB

Download
memory/2404-7-0x00000000001B0000-0x00000000001D9000-memory.dmp

Filesize
164KB

Download
memory/2732-11-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download
memory/2732-10-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download
memory/2732-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2964-15-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/2964-14-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download