trickbot | 89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7

Analysis

max time kernel
75s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 01:19

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General

Target

89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe
Size

368KB
MD5

07d1fbe8618e1d42bd735c58ffa20540
SHA1

6ec8c8fe9c50609182e23b6056f9e8fb1198479f
SHA256

89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7
SHA512

dbed22a6351f6a004effd57f0807ab6fe8d131ad5bbd10f8ba4dc4193a33b9f50c27fed078da7536c5462c1c2ec3536aa60ad56118ac75be191e36394cd9aee5
SSDEEP

6144:eo5N5OazOZaTDWlVnrchrahdOxveC2wo80/agxb0zLz4qb:emSuOcHmnYhrDMTrban4qb

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/2728-1-0x00000000000F0000-0x0000000000119000-memory.dmp	trickbot_loader32
behavioral1/memory/2728-6-0x00000000000F0000-0x0000000000119000-memory.dmp	trickbot_loader32
behavioral1/memory/2944-10-0x00000000000F0000-0x0000000000119000-memory.dmp	trickbot_loader32
behavioral1/memory/2944-22-0x00000000000F0000-0x0000000000119000-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
2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe
1140	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe

Loads dropped DLL 1 IoCs

pid	Process
2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2552	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
2608	sc.exe
2880	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	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe
2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe
2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe
2552	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2552	powershell.exe
Token: SeTcbPrivilege	1140	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2800	2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe	30
PID 2728 wrote to memory of 2800	2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe	30
PID 2728 wrote to memory of 2800	2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe	30
PID 2728 wrote to memory of 2800	2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe	30
PID 2728 wrote to memory of 2808	2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe	31
PID 2728 wrote to memory of 2808	2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe	31
PID 2728 wrote to memory of 2808	2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe	31
PID 2728 wrote to memory of 2808	2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe	31
PID 2728 wrote to memory of 2736	2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe	33
PID 2728 wrote to memory of 2736	2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe	33
PID 2728 wrote to memory of 2736	2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe	33
PID 2728 wrote to memory of 2736	2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe	33
PID 2728 wrote to memory of 2944	2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe	36
PID 2728 wrote to memory of 2944	2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe	36
PID 2728 wrote to memory of 2944	2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe	36
PID 2728 wrote to memory of 2944	2728	89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe	36
PID 2800 wrote to memory of 2608	2800	cmd.exe	38
PID 2800 wrote to memory of 2608	2800	cmd.exe	38
PID 2800 wrote to memory of 2608	2800	cmd.exe	38
PID 2800 wrote to memory of 2608	2800	cmd.exe	38
PID 2808 wrote to memory of 2880	2808	cmd.exe	37
PID 2808 wrote to memory of 2880	2808	cmd.exe	37
PID 2808 wrote to memory of 2880	2808	cmd.exe	37
PID 2808 wrote to memory of 2880	2808	cmd.exe	37
PID 2736 wrote to memory of 2552	2736	cmd.exe	39
PID 2736 wrote to memory of 2552	2736	cmd.exe	39
PID 2736 wrote to memory of 2552	2736	cmd.exe	39
PID 2736 wrote to memory of 2552	2736	cmd.exe	39
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2944 wrote to memory of 1964	2944	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	40
PID 2920 wrote to memory of 1140	2920	taskeng.exe	42
PID 2920 wrote to memory of 1140	2920	taskeng.exe	42
PID 2920 wrote to memory of 1140	2920	taskeng.exe	42
PID 2920 wrote to memory of 1140	2920	taskeng.exe	42
PID 1140 wrote to memory of 2252	1140	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	43
PID 1140 wrote to memory of 2252	1140	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	43
PID 1140 wrote to memory of 2252	1140	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	43
PID 1140 wrote to memory of 2252	1140	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	43
PID 1140 wrote to memory of 2252	1140	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	43
PID 1140 wrote to memory of 2252	1140	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	43
PID 1140 wrote to memory of 2252	1140	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	43
PID 1140 wrote to memory of 2252	1140	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe	43
PID 1140 wrote to memory of 2252	1140	99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.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\89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe
"C:\Users\Admin\AppData\Local\Temp\89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Windows\SysWOW64\cmd.exe
  /c sc stop WinDefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\SysWOW64\sc.exe
    sc stop WinDefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2608
- C:\Windows\SysWOW64\cmd.exe
  /c sc delete WinDefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Windows\SysWOW64\sc.exe
    sc delete WinDefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2880
- C:\Windows\SysWOW64\cmd.exe
  /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2736
- - 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:2552
- C:\Users\Admin\AppData\Roaming\WNetval\99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe
  C:\Users\Admin\AppData\Roaming\WNetval\99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2944
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:1964

C:\Windows\system32\taskeng.exe
taskeng.exe {C5E44001-5151-4A63-8863-A695722A181A} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Users\Admin\AppData\Roaming\WNetval\99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe
  C:\Users\Admin\AppData\Roaming\WNetval\99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1140
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:2252

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-1-5-21-457978338-2990298471-2379561640-1000\0f5007522459c86e95ffcc62f32308f1_7ab03691-fc7c-4787-903d-423aed4b9dc2

Filesize
1KB

MD5
90cbb48c323d01174cc1b6bf38de1805

SHA1
fa89f705fd79381f2de6a1447e5632e6c46ef9c8

SHA256
9345aa4d84b25c52f2145e9e92217a4de9dea57eb830dccff44e815e4503346f

SHA512
15a537e77e4b9ec3751b13365384f2efd69e372e298720dad7d5390e7fd0ca08a0edcdea4e54f9c0fab7aca6486d1428f1c0867ab49b545cf5b8a9570d5d93b2

Download Submit
\Users\Admin\AppData\Roaming\WNetval\99c891b990bc398994b03e988206717189e79694b12904297ec031c92648b0a8N.exe

Filesize
368KB

MD5
07d1fbe8618e1d42bd735c58ffa20540

SHA1
6ec8c8fe9c50609182e23b6056f9e8fb1198479f

SHA256
89c781b880bc397884b03e877205616178e69584b12804296ec031c82547b0a7

SHA512
dbed22a6351f6a004effd57f0807ab6fe8d131ad5bbd10f8ba4dc4193a33b9f50c27fed078da7536c5462c1c2ec3536aa60ad56118ac75be191e36394cd9aee5

Download Submit
memory/1964-23-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/1964-19-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/1964-17-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/2728-1-0x00000000000F0000-0x0000000000119000-memory.dmp

Filesize
164KB

Download
memory/2728-6-0x00000000000F0000-0x0000000000119000-memory.dmp

Filesize
164KB

Download
memory/2944-10-0x00000000000F0000-0x0000000000119000-memory.dmp

Filesize
164KB

Download
memory/2944-12-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download
memory/2944-22-0x00000000000F0000-0x0000000000119000-memory.dmp

Filesize
164KB

Download
memory/2944-16-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2944-11-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download