emotet | 5dad413b4cd224b4f635bb703c6b547675c0fb6153c29aabc39452a49aaaebe4

Analysis

max time kernel
135s
max time network
134s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
04/11/2022, 02:01

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General

Target
5dad413b4cd224b4f635bb703c6b547675c0fb6153c29aabc39452a49aaaebe4.xls
Size 217KB
Sample221104-cfkz3saab6
SHA256 5dad413b4cd224b4f635bb703c6b547675c0fb6153c29aabc39452a49aaaebe4
MD5 310d5f20f446d5725f48ea1cd4b38f74
SHA1 a1f8411470ce3b357ee812ed8fa368e6ba80b043
SHA512 5637ff56083779c99d8ef85d6a37d8c3cbeb18bd4c87d603ceed9eb6cb404ca6d283da9f7b8b19104200f01f3e76470f4d0314c66ee18472161f51cdd44db95f
SSDEEP 6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQm7VnT:1bGUMVWlbd
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

emotet epoch4 banker persistence trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
http://app.clubdedocentes.com/storage/DCcq9ekgH99sI/
xlm40.dropper
http://linhkiendoc.com/app/payments/qoy5JqpLqrbsKl/
xlm40.dropper
http://sourcecool.com/throng/iOD/

Extracted

Family

emotet

Botnet

Epoch4

45.235.8.30:8080
94.23.45.86:4143
119.59.103.152:8080
169.60.181.70:8080
164.68.99.3:8080
172.105.226.75:8080
107.170.39.149:8080
206.189.28.199:8080
1.234.2.232:8080
188.44.20.25:443
186.194.240.217:443
103.43.75.120:443
149.28.143.92:443
159.89.202.34:443
209.97.163.214:443
183.111.227.137:8080
129.232.188.93:443
139.59.126.41:443
110.232.117.186:8080
139.59.56.73:8080
103.75.201.2:443
91.207.28.33:8080
164.90.222.65:443
197.242.150.244:8080
212.24.98.99:8080
51.161.73.194:443
115.68.227.76:8080
159.65.88.10:8080
201.94.166.162:443
95.217.221.146:8080
173.212.193.249:8080
82.223.21.224:8080
103.132.242.26:8080
213.239.212.5:443
153.126.146.25:7080
45.176.232.124:443
182.162.143.56:443
169.57.156.166:8080
159.65.140.115:443
163.44.196.120:8080
172.104.251.154:8080
167.172.253.162:8080
91.187.140.35:8080
45.118.115.99:8080
147.139.166.154:8080
72.15.201.15:8080
149.56.131.28:8080
167.172.199.165:8080
101.50.0.91:8080
160.16.142.56:8080
185.4.135.165:8080
104.168.155.143:8080
79.137.35.198:8080
5.135.159.50:443
187.63.160.88:80

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 2 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	3876	3048	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4764	3048	regsvr32.exe	65

Downloads MZ/PE file

Loads dropped DLL 1 IoCs

pid	Process
3876	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dbQRbYiVGngjNymH.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\DsHacMCg\\dbQRbYiVGngjNymH.dll\""	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\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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
3048	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3876	regsvr32.exe
3876	regsvr32.exe
4092	regsvr32.exe
4092	regsvr32.exe
4092	regsvr32.exe
4092	regsvr32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3048	EXCEL.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3048	EXCEL.EXE
3048	EXCEL.EXE
3048	EXCEL.EXE
3048	EXCEL.EXE
3048	EXCEL.EXE
3048	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 3876	3048	EXCEL.EXE	68
PID 3048 wrote to memory of 3876	3048	EXCEL.EXE	68
PID 3876 wrote to memory of 4092	3876	regsvr32.exe	69
PID 3876 wrote to memory of 4092	3876	regsvr32.exe	69
PID 3048 wrote to memory of 4764	3048	EXCEL.EXE	71
PID 3048 wrote to memory of 4764	3048	EXCEL.EXE	71

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\5dad413b4cd224b4f635bb703c6b547675c0fb6153c29aabc39452a49aaaebe4.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:3048
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3876
- - C:\Windows\system32\regsvr32.exe
    C:\Windows\system32\regsvr32.exe "C:\Windows\system32\DsHacMCg\dbQRbYiVGngjNymH.dll"
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    PID:4092
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4764

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

oxnv1.ooccxx

Path C:\Users\Admin\oxnv1.ooccxx
Size 745KB
SHA256 9a06671e4bc09c90a8a2c7ff6b920365ed1a7f6def29d82552c3efc89f698865
MD5 3a5b750bbe66f2341c79803372999e29
SHA1 21c0933f5f86b86d11b3c5efc7a828348e76b5c7
SHA512 5acb8917e4ab6aa5de2f7170692fbed5f32afda6025dd6ec91723716fd2c19c43ae0e2d3d06b316bf93924a7dfe440356372aad5e7f37dc8cadf8d68987be394
SSDEEP 6144:i5htEuwPCwdooxhXLY/3tvDc2YLV9yWoPTvtQPZOBk8DveyGj/eoyOyqTJDrRtFw:EaCwpDXstOby/ZQPrMGbWEJDDFY1cA
MD5 SHA1 SHA512 SSDEEP

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oxnv1.ooccxx

Path \Users\Admin\oxnv1.ooccxx
Size 745KB
SHA256 9a06671e4bc09c90a8a2c7ff6b920365ed1a7f6def29d82552c3efc89f698865
MD5 3a5b750bbe66f2341c79803372999e29
SHA1 21c0933f5f86b86d11b3c5efc7a828348e76b5c7
SHA512 5acb8917e4ab6aa5de2f7170692fbed5f32afda6025dd6ec91723716fd2c19c43ae0e2d3d06b316bf93924a7dfe440356372aad5e7f37dc8cadf8d68987be394
SSDEEP 6144:i5htEuwPCwdooxhXLY/3tvDc2YLV9yWoPTvtQPZOBk8DveyGj/eoyOyqTJDrRtFw:EaCwpDXstOby/ZQPrMGbWEJDDFY1cA
MD5 SHA1 SHA512 SSDEEP

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memory/3048-117-0x00007FFED6D40000-0x00007FFED6D50000-memory.dmp

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memory/3048-118-0x00007FFED6D40000-0x00007FFED6D50000-memory.dmp

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memory/3048-119-0x00007FFED6D40000-0x00007FFED6D50000-memory.dmp

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memory/3048-120-0x00007FFED6D40000-0x00007FFED6D50000-memory.dmp

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memory/3048-129-0x00007FFED41A0000-0x00007FFED41B0000-memory.dmp

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memory/3048-130-0x00007FFED41A0000-0x00007FFED41B0000-memory.dmp

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memory/3876-254-0x0000000180000000-0x000000018002F000-memory.dmp

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