trickbot | 550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96c

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 17:46

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General

Target

550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe
Size

368KB
MD5

31f48d579e81fd0a9367431ba92794e0
SHA1

4ae71094a830b4329a5ebb7a861f3ebeb8ac9def
SHA256

550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96c
SHA512

266468a1bc059c06a7053132e9f35af93bca2a9c35cadc92cf21df51dca6c895b3f1298edafb31140ba7a42160281d96ea32185ba398fc9599388849083c227a
SSDEEP

6144:eo5N5OazOZaTDWlVnrchrahdOxveC2wo80/agxb0zLz4q3:emSuOcHmnYhrDMTrban4q3

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 x86 loader 4 IoCs

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

Processes:

resource	yara_rule
behavioral1/memory/2788-21-0x0000000000130000-0x0000000000159000-memory.dmp	trickbot_loader32
behavioral1/memory/2788-10-0x0000000000130000-0x0000000000159000-memory.dmp	trickbot_loader32
behavioral1/memory/684-6-0x00000000000C0000-0x00000000000E9000-memory.dmp	trickbot_loader32
behavioral1/memory/684-1-0x00000000000C0000-0x00000000000E9000-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

Processes:

660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe

pid	Process
2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe
540	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe

Loads dropped DLL 1 IoCs

Processes:

550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe

pid	Process
684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

Processes:

powershell.exe

pid	Process
2872	powershell.exe

Drops file in System32 directory 1 IoCs

Processes:

powershell.exe

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.

Processes:

sc.exesc.exe

pid	Process
2812	sc.exe
1352	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

Processes:

550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.execmd.execmd.exesc.exepowershell.exe660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.execmd.exe660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exesc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exepowershell.exe

pid	Process
684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe
684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe
684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe
2872	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exe660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe

description	pid	Process
Token: SeDebugPrivilege	2872	powershell.exe
Token: SeTcbPrivilege	540	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.execmd.execmd.execmd.exe660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exetaskeng.exe660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe

description	pid	Process	procid_target
PID 684 wrote to memory of 2660	684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe	30
PID 684 wrote to memory of 2660	684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe	30
PID 684 wrote to memory of 2660	684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe	30
PID 684 wrote to memory of 2660	684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe	30
PID 684 wrote to memory of 2752	684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe	31
PID 684 wrote to memory of 2752	684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe	31
PID 684 wrote to memory of 2752	684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe	31
PID 684 wrote to memory of 2752	684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe	31
PID 684 wrote to memory of 2756	684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe	32
PID 684 wrote to memory of 2756	684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe	32
PID 684 wrote to memory of 2756	684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe	32
PID 684 wrote to memory of 2756	684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe	32
PID 684 wrote to memory of 2788	684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe	36
PID 684 wrote to memory of 2788	684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe	36
PID 684 wrote to memory of 2788	684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe	36
PID 684 wrote to memory of 2788	684	550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe	36
PID 2752 wrote to memory of 1352	2752	cmd.exe	37
PID 2752 wrote to memory of 1352	2752	cmd.exe	37
PID 2752 wrote to memory of 1352	2752	cmd.exe	37
PID 2752 wrote to memory of 1352	2752	cmd.exe	37
PID 2660 wrote to memory of 2812	2660	cmd.exe	38
PID 2660 wrote to memory of 2812	2660	cmd.exe	38
PID 2660 wrote to memory of 2812	2660	cmd.exe	38
PID 2660 wrote to memory of 2812	2660	cmd.exe	38
PID 2756 wrote to memory of 2872	2756	cmd.exe	39
PID 2756 wrote to memory of 2872	2756	cmd.exe	39
PID 2756 wrote to memory of 2872	2756	cmd.exe	39
PID 2756 wrote to memory of 2872	2756	cmd.exe	39
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2788 wrote to memory of 2348	2788	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	40
PID 2420 wrote to memory of 540	2420	taskeng.exe	42
PID 2420 wrote to memory of 540	2420	taskeng.exe	42
PID 2420 wrote to memory of 540	2420	taskeng.exe	42
PID 2420 wrote to memory of 540	2420	taskeng.exe	42
PID 540 wrote to memory of 2212	540	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	43
PID 540 wrote to memory of 2212	540	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	43
PID 540 wrote to memory of 2212	540	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	43
PID 540 wrote to memory of 2212	540	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	43
PID 540 wrote to memory of 2212	540	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	43
PID 540 wrote to memory of 2212	540	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	43
PID 540 wrote to memory of 2212	540	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	43
PID 540 wrote to memory of 2212	540	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe	43
PID 540 wrote to memory of 2212	540	660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.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\550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe
"C:\Users\Admin\AppData\Local\Temp\550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96cN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:684
- C:\Windows\SysWOW64\cmd.exe
  /c sc stop WinDefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2660
- - C:\Windows\SysWOW64\sc.exe
    sc stop WinDefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2812
- C:\Windows\SysWOW64\cmd.exe
  /c sc delete WinDefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2752
- - C:\Windows\SysWOW64\sc.exe
    sc delete WinDefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:1352
- C:\Windows\SysWOW64\cmd.exe
  /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2756
- - 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:2872
- C:\Users\Admin\AppData\Roaming\WNetval\660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe
  C:\Users\Admin\AppData\Roaming\WNetval\660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2788
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:2348

C:\Windows\system32\taskeng.exe
taskeng.exe {4F31D7DB-3365-441B-885B-2D0281A06986} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Roaming\WNetval\660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe
  C:\Users\Admin\AppData\Roaming\WNetval\660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:540
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:2212

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-1-5-21-1846800975-3917212583-2893086201-1000\0f5007522459c86e95ffcc62f32308f1_f9da27c9-c625-43c3-9b3a-b1344b01e128

Filesize
1KB

MD5
f15e46d4e41e9ba187f48d1642ccb56c

SHA1
eb47a686dfcb657d448f06dc7166cab08bc80f65

SHA256
246e616c9ab5053c5eeed5bce1e8cced14c4a00b10c0de1cdd2f7c701d3d6948

SHA512
a47c6f182a3823578a14779278200bf0b2f4aac02f0876d22bca1885131c95a3279126e17e42dcf131318055aba161115f1fdd2e7f1fbcf9a59e43dade91157c

Download Submit
C:\Users\Admin\AppData\Roaming\WNetval\660dc0cd92d1d6cca9d363446898ec0e7c40a282c1bf946f22baca7b04bfe97cN.exe

Filesize
368KB

MD5
31f48d579e81fd0a9367431ba92794e0

SHA1
4ae71094a830b4329a5ebb7a861f3ebeb8ac9def

SHA256
550dc0cd82d1d5cca8d353445797ec0e6c40a272c1bf945f22baca6b04bfe96c

SHA512
266468a1bc059c06a7053132e9f35af93bca2a9c35cadc92cf21df51dca6c895b3f1298edafb31140ba7a42160281d96ea32185ba398fc9599388849083c227a

Download Submit
memory/684-6-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/684-1-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/2348-22-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2348-17-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/2348-16-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/2788-21-0x0000000000130000-0x0000000000159000-memory.dmp

Filesize
164KB

Download
memory/2788-10-0x0000000000130000-0x0000000000159000-memory.dmp

Filesize
164KB

Download
memory/2788-11-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download