trickbot | e31ace5602fa7c78e8a7c73efded326053a27ee8b94a868e3487c798803d8f3b

Resubmissions

03-08-2024 17:19

240803-vv3sjszdkm 10

03-08-2024 09:36

240803-lk7jbazanq 10

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
03-08-2024 17:19

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General

Target

7fb1de391d2e8956aab8a707ba7047b0N.exe
Size

368KB
MD5

7fb1de391d2e8956aab8a707ba7047b0
SHA1

b4596d683f948181068395159cf245d7faf5617a
SHA256

e31ace5602fa7c78e8a7c73efded326053a27ee8b94a868e3487c798803d8f3b
SHA512

32b7e4773585434eabc057f3af32c08726bf347bac1a3375b87cff22e1b8498b90821f918047778a7e22add83293dcc08d3ccdb8c74ae0a75616f1cd39153305
SSDEEP

6144:eo5N5OazOZaTDWlVnrchrahdOxveC2wo80/agxb0zLz4q0:emSuOcHmnYhrDMTrban4q0

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.

resource	yara_rule
behavioral1/memory/2272-1-0x0000000000180000-0x00000000001A9000-memory.dmp	trickbot_loader32
behavioral1/memory/2272-7-0x0000000000180000-0x00000000001A9000-memory.dmp	trickbot_loader32
behavioral1/memory/3012-10-0x0000000000080000-0x00000000000A9000-memory.dmp	trickbot_loader32
behavioral1/memory/3012-20-0x0000000000080000-0x00000000000A9000-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
3012	8fb1de391d2e9967aab9a808ba8048b0N.exe
1328	8fb1de391d2e9967aab9a808ba8048b0N.exe

Loads dropped DLL 1 IoCs

pid	Process
2272	7fb1de391d2e8956aab8a707ba7047b0N.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2796	powershell.exe
2176	powershell.exe

Drops file in System32 directory 2 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
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Launches sc.exe 4 IoCs

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

pid	Process
2740	sc.exe
2124	sc.exe
2248	sc.exe
2612	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 15 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	7fb1de391d2e8956aab8a707ba7047b0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8fb1de391d2e9967aab9a808ba8048b0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8fb1de391d2e9967aab9a808ba8048b0N.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2272	7fb1de391d2e8956aab8a707ba7047b0N.exe
2272	7fb1de391d2e8956aab8a707ba7047b0N.exe
2272	7fb1de391d2e8956aab8a707ba7047b0N.exe
3012	8fb1de391d2e9967aab9a808ba8048b0N.exe
3012	8fb1de391d2e9967aab9a808ba8048b0N.exe
3012	8fb1de391d2e9967aab9a808ba8048b0N.exe
2796	powershell.exe
2176	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2796	powershell.exe
Token: SeDebugPrivilege	2176	powershell.exe
Token: SeTcbPrivilege	1328	8fb1de391d2e9967aab9a808ba8048b0N.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 1804	2272	7fb1de391d2e8956aab8a707ba7047b0N.exe	30
PID 2272 wrote to memory of 1804	2272	7fb1de391d2e8956aab8a707ba7047b0N.exe	30
PID 2272 wrote to memory of 1804	2272	7fb1de391d2e8956aab8a707ba7047b0N.exe	30
PID 2272 wrote to memory of 1804	2272	7fb1de391d2e8956aab8a707ba7047b0N.exe	30
PID 2272 wrote to memory of 2736	2272	7fb1de391d2e8956aab8a707ba7047b0N.exe	31
PID 2272 wrote to memory of 2736	2272	7fb1de391d2e8956aab8a707ba7047b0N.exe	31
PID 2272 wrote to memory of 2736	2272	7fb1de391d2e8956aab8a707ba7047b0N.exe	31
PID 2272 wrote to memory of 2736	2272	7fb1de391d2e8956aab8a707ba7047b0N.exe	31
PID 2272 wrote to memory of 2836	2272	7fb1de391d2e8956aab8a707ba7047b0N.exe	33
PID 2272 wrote to memory of 2836	2272	7fb1de391d2e8956aab8a707ba7047b0N.exe	33
PID 2272 wrote to memory of 2836	2272	7fb1de391d2e8956aab8a707ba7047b0N.exe	33
PID 2272 wrote to memory of 2836	2272	7fb1de391d2e8956aab8a707ba7047b0N.exe	33
PID 2272 wrote to memory of 3012	2272	7fb1de391d2e8956aab8a707ba7047b0N.exe	36
PID 2272 wrote to memory of 3012	2272	7fb1de391d2e8956aab8a707ba7047b0N.exe	36
PID 2272 wrote to memory of 3012	2272	7fb1de391d2e8956aab8a707ba7047b0N.exe	36
PID 2272 wrote to memory of 3012	2272	7fb1de391d2e8956aab8a707ba7047b0N.exe	36
PID 1804 wrote to memory of 2612	1804	cmd.exe	38
PID 1804 wrote to memory of 2612	1804	cmd.exe	38
PID 1804 wrote to memory of 2612	1804	cmd.exe	38
PID 1804 wrote to memory of 2612	1804	cmd.exe	38
PID 2736 wrote to memory of 2740	2736	cmd.exe	37
PID 2736 wrote to memory of 2740	2736	cmd.exe	37
PID 2736 wrote to memory of 2740	2736	cmd.exe	37
PID 2736 wrote to memory of 2740	2736	cmd.exe	37
PID 3012 wrote to memory of 2640	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	39
PID 3012 wrote to memory of 2640	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	39
PID 3012 wrote to memory of 2640	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	39
PID 3012 wrote to memory of 2640	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	39
PID 3012 wrote to memory of 2632	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	40
PID 3012 wrote to memory of 2632	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	40
PID 3012 wrote to memory of 2632	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	40
PID 3012 wrote to memory of 2632	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	40
PID 3012 wrote to memory of 2960	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	42
PID 3012 wrote to memory of 2960	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	42
PID 3012 wrote to memory of 2960	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	42
PID 3012 wrote to memory of 2960	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	42
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 2836 wrote to memory of 2796	2836	cmd.exe	46
PID 2836 wrote to memory of 2796	2836	cmd.exe	46
PID 2836 wrote to memory of 2796	2836	cmd.exe	46
PID 2836 wrote to memory of 2796	2836	cmd.exe	46
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 3012 wrote to memory of 1248	3012	8fb1de391d2e9967aab9a808ba8048b0N.exe	44
PID 2960 wrote to memory of 2176	2960	cmd.exe	47

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\7fb1de391d2e8956aab8a707ba7047b0N.exe
"C:\Users\Admin\AppData\Local\Temp\7fb1de391d2e8956aab8a707ba7047b0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\SysWOW64\cmd.exe
  /c sc stop WinDefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\SysWOW64\sc.exe
    sc stop WinDefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2612
- C:\Windows\SysWOW64\cmd.exe
  /c sc delete WinDefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\SysWOW64\sc.exe
    sc delete WinDefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2740
- C:\Windows\SysWOW64\cmd.exe
  /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2836
- - 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:2796
- C:\Users\Admin\AppData\Roaming\WNetval\8fb1de391d2e9967aab9a808ba8048b0N.exe
  C:\Users\Admin\AppData\Roaming\WNetval\8fb1de391d2e9967aab9a808ba8048b0N.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\SysWOW64\cmd.exe
    /c sc stop WinDefend
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2640
  - - C:\Windows\SysWOW64\sc.exe
      sc stop WinDefend
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:2124
- - C:\Windows\SysWOW64\cmd.exe
    /c sc delete WinDefend
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2632
  - - C:\Windows\SysWOW64\sc.exe
      sc delete WinDefend
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:2248
- - C:\Windows\SysWOW64\cmd.exe
    /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2960
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell Set-MpPreference -DisableRealtimeMonitoring $true
      4⤵
      Command and Scripting Interpreter: PowerShell
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2176
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:1248

C:\Windows\system32\taskeng.exe
taskeng.exe {0D045029-BF3D-48CE-8357-53E0B5F2863F} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
PID:2940
- C:\Users\Admin\AppData\Roaming\WNetval\8fb1de391d2e9967aab9a808ba8048b0N.exe
  C:\Users\Admin\AppData\Roaming\WNetval\8fb1de391d2e9967aab9a808ba8048b0N.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1328
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:1756

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-1-5-21-1385883288-3042840365-2734249351-1000\0f5007522459c86e95ffcc62f32308f1_0b857b27-3438-41f8-a27a-43f96d095be3

Filesize
1KB

MD5
10f5c4e726487eef8d7fdee76f52e845

SHA1
40b78d975c9616ee28c640c6dc67103dd08088df

SHA256
3bcceb9f9cbc0c0d28e05e0e1189e48b26d486c4ca4b56d7d07b07da0e6563ac

SHA512
02d4d712606d96f37938b54131d59e621df6abd7e0a79466c9ac14df161a4a24fef5246b86dd63fe7526b92fe589fe679425325b8435210a97ffdce2d4b818f6

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
a6d798ddc77968c377bff04032f8b468

SHA1
6aa4c092593c2d8784c94f96cf64859858e69770

SHA256
c6013d5292a084a3a614a6da2ebf5cc8bb94cefec5e68f21b6455d513325b2f6

SHA512
247299a5f694fc43804fbabf2a5225c423428b623c10d4928085823c2b0fd880665452409799ebbde826a20b800ce16f749b41f32a284273741f6c2a7ef01691

Download Submit
C:\Users\Admin\AppData\Roaming\WNetval\8fb1de391d2e9967aab9a808ba8048b0N.exe

Filesize
368KB

MD5
7fb1de391d2e8956aab8a707ba7047b0

SHA1
b4596d683f948181068395159cf245d7faf5617a

SHA256
e31ace5602fa7c78e8a7c73efded326053a27ee8b94a868e3487c798803d8f3b

SHA512
32b7e4773585434eabc057f3af32c08726bf347bac1a3375b87cff22e1b8498b90821f918047778a7e22add83293dcc08d3ccdb8c74ae0a75616f1cd39153305

Download Submit
memory/1248-16-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/1248-15-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/2272-1-0x0000000000180000-0x00000000001A9000-memory.dmp

Filesize
164KB

Download
memory/2272-7-0x0000000000180000-0x00000000001A9000-memory.dmp

Filesize
164KB

Download
memory/3012-10-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/3012-12-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download
memory/3012-11-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download
memory/3012-20-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download