emotet | 35120853a7d2485d0e3c8ac934834438537629ab542fd5080c0c948e1733fdec

Analysis

max time kernel
125s
max time network
154s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
10/11/2022, 21:34

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General

Target
35120853a7d2485d0e3c8ac934834438537629ab542fd5080c0c948e1733fdec.xls
Size 91KB
Sample221110-1e2hfagcdk
SHA256 35120853a7d2485d0e3c8ac934834438537629ab542fd5080c0c948e1733fdec
MD5 a403a8d75edf91952ba2f3a680b54eef
SHA1 ac13b54457665803e202bf27b223db3a70f18c2b
SHA512 d9137cd9d1af0f530c0930786afb15ee79b5f92c016244acaabdc329c1844b4d807e77103b0382370a89edd0cf62a3031959f4e8a2d4079e47d8cb48a8c47dda
SSDEEP 1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg4bCXuZH4gb4CEn9J4ZTrX:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg8
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

emotet epoch4 banker persistence trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
http://www.vinyz.com/cache/rqWV/
xlm40.dropper
http://yuanliao.raluking.com/1eq5o7/gHrTM8YilZz0quKt/

Extracted

Family

emotet

Botnet

Epoch4

185.4.135.165:8080
159.89.202.34:443
82.223.21.224:8080
187.63.160.88:80
188.44.20.25:443
91.187.140.35:8080
110.232.117.186:8080
197.242.150.244:8080
119.59.103.152:8080
182.162.143.56:443
72.15.201.15:8080
173.255.211.88:443
206.189.28.199:8080
94.23.45.86:4143
45.63.99.23:7080
153.126.146.25:7080
45.118.115.99:8080
115.68.227.76:8080
163.44.196.120:8080
159.65.140.115:443
169.57.156.166:8080
139.59.56.73:8080
183.111.227.137:8080
202.129.205.3:8080
103.43.75.120:443
45.176.232.124:443
186.194.240.217:443
173.212.193.249:8080
139.59.126.41:443
149.56.131.28:8080
159.65.88.10:8080
201.94.166.162:443
107.170.39.149:8080
103.75.201.2:443
103.132.242.26:8080
209.97.163.214:443
129.232.188.93:443
79.137.35.198:8080
101.50.0.91:8080
147.139.166.154:8080
160.16.142.56:8080
153.92.5.27:8080
167.172.199.165:8080
95.217.221.146:8080
167.172.253.162:8080
164.90.222.65:443
172.105.226.75:8080
164.68.99.3:8080
213.239.212.5:443
91.207.28.33:8080
45.235.8.30:8080
172.104.251.154:8080
5.135.159.50:443
212.24.98.99:8080
104.168.155.143:8080
1.234.2.232:8080

ecs1.plain

eck1.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	2384	3500	regsvr32.exe	65

Downloads MZ/PE file

Loads dropped DLL 1 IoCs

pid	Process
2384	regsvr32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fVbZRqbORWbKdT.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\TeUBT\\fVbZRqbORWbKdT.dll\""	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe

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\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3500	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2384	regsvr32.exe
2384	regsvr32.exe
2244	regsvr32.exe
2244	regsvr32.exe
2244	regsvr32.exe
2244	regsvr32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3500	EXCEL.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3500	EXCEL.EXE
3500	EXCEL.EXE
3500	EXCEL.EXE
3500	EXCEL.EXE
3500	EXCEL.EXE
3500	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3500 wrote to memory of 2384	3500	EXCEL.EXE	68
PID 3500 wrote to memory of 2384	3500	EXCEL.EXE	68
PID 2384 wrote to memory of 2244	2384	regsvr32.exe	69
PID 2384 wrote to memory of 2244	2384	regsvr32.exe	69

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\35120853a7d2485d0e3c8ac934834438537629ab542fd5080c0c948e1733fdec.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3500
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\system32\regsvr32.exe
    C:\Windows\system32\regsvr32.exe "C:\Windows\system32\TeUBT\fVbZRqbORWbKdT.dll"
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    PID:2244

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

elv1.ooocccxxx

Path C:\Users\Admin\elv1.ooocccxxx
Size 595KB
SHA256 c7f7cf0ce0dbbf62203b4428f92df892b303e60c0c445e47662a97c857c9ad09
MD5 7116cebd389bbd3bd77f88b12a23e90d
SHA1 8f07e60cbd8d5222ae7c7076e666881d9ae9fa79
SHA512 68505aae08b3c0eae608926770b1907bc624f01043b6e86aa2074bd8d3a32d80673904cf76c218362668f47d926ab5435f0d3a002636598a3e1460dea6173e03
SSDEEP 12288:QST8ek3+6ZIvp0p0tPEgBthNeYU5elGYpED+HlA:Qjee+6evbtPEihGFYk
MD5 SHA1 SHA512 SSDEEP

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elv1.ooocccxxx

Path \Users\Admin\elv1.ooocccxxx
Size 595KB
SHA256 c7f7cf0ce0dbbf62203b4428f92df892b303e60c0c445e47662a97c857c9ad09
MD5 7116cebd389bbd3bd77f88b12a23e90d
SHA1 8f07e60cbd8d5222ae7c7076e666881d9ae9fa79
SHA512 68505aae08b3c0eae608926770b1907bc624f01043b6e86aa2074bd8d3a32d80673904cf76c218362668f47d926ab5435f0d3a002636598a3e1460dea6173e03
SSDEEP 12288:QST8ek3+6ZIvp0p0tPEgBthNeYU5elGYpED+HlA:Qjee+6evbtPEihGFYk
MD5 SHA1 SHA512 SSDEEP

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memory/2384-136-0x0000000000BE0000-0x0000000000C10000-memory.dmp

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memory/3500-115-0x00007FF838960000-0x00007FF838970000-memory.dmp

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memory/3500-116-0x00007FF838960000-0x00007FF838970000-memory.dmp

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memory/3500-117-0x00007FF838960000-0x00007FF838970000-memory.dmp

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memory/3500-118-0x00007FF838960000-0x00007FF838970000-memory.dmp

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memory/3500-127-0x00007FF834EA0000-0x00007FF834EB0000-memory.dmp

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memory/3500-128-0x00007FF834EA0000-0x00007FF834EB0000-memory.dmp

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