emotet | 21b493331dfa55c98bb5ac6fd74d85190940cfbcd4c7a6c499019918276e0cd8

Analysis

max time kernel
151s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220310-en
submitted
29/03/2022, 21:49

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General

Target
ee5035310a6ba6c10073c929e5924582.xls
Size 106KB
Sample220329-1pbprsbfh9
SHA256 21b493331dfa55c98bb5ac6fd74d85190940cfbcd4c7a6c499019918276e0cd8
MD5 ee5035310a6ba6c10073c929e5924582
SHA1 e99c1b6dafa0450098e9765e97c01187f7511474
SHA512 9f8745f81aeb71c2d8ce634b8ab78e153284149cff50105c07ac63d75ef599789d07ead37d77c5b11752e676e3b4ad3ba334f70b2b6d7ed5d2692f87b267f930
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
http://dougveeder.com/cgi-bin/xJ91ZttGRioQ7IUL/
xlm40.dropper
https://e-fistik.com/ajax/PnA23/

Extracted

Family

emotet

Botnet

Epoch4

45.176.232.125:443
138.197.109.175:8080
187.84.80.182:443
79.143.187.147:443
189.232.46.161:443
103.70.28.102:8080
134.122.66.193:8080
151.106.112.196:8080
160.16.142.56:8080
212.24.98.99:8080
188.44.20.25:443
197.242.150.244:8080
206.189.28.199:8080
172.104.251.154:8080
103.43.46.182:443
203.114.109.124:443
103.75.201.2:443
58.227.42.236:80
201.94.166.162:443
189.126.111.200:7080
185.8.212.130:7080
167.99.115.35:8080
129.232.188.93:443
1.234.2.232:8080
153.126.146.25:7080
185.157.82.211:8080
131.100.24.231:80
1.234.21.73:7080
192.99.251.50:443
119.193.124.41:7080
159.8.59.82:8080
158.69.222.101:443
51.254.140.238:7080
5.9.116.246:8080
45.176.232.124:443
159.65.88.10:8080
101.50.0.91:8080
107.182.225.142:8080
167.172.253.162:8080
79.172.212.216:8080
50.30.40.196:8080
196.218.30.83:443
51.91.7.5:8080
212.237.17.99:8080
72.15.201.15:8080
183.111.227.137:8080
51.91.76.89:8080
209.250.246.206:443
176.104.106.96:8080
46.55.222.11:443
209.126.98.206:8080
164.68.99.3:8080
176.56.128.118:443
103.132.242.26:8080
110.232.117.186:8080
146.59.226.45:443
173.212.193.249:8080
82.165.152.127:8080
45.118.115.99:8080
216.158.226.206:443

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	4204	3764	regsvr32.exe	82

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
4204	regsvr32.exe
4580	regsvr32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Tzgtlhwxkv\tsxmkwrbcxlq.nmx	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 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
3764	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4580	regsvr32.exe
4580	regsvr32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3764	EXCEL.EXE
3764	EXCEL.EXE
3764	EXCEL.EXE
3764	EXCEL.EXE
3764	EXCEL.EXE
3764	EXCEL.EXE
3764	EXCEL.EXE
3764	EXCEL.EXE
3764	EXCEL.EXE
3764	EXCEL.EXE
3764	EXCEL.EXE
3764	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 4204	3764	EXCEL.EXE	90
PID 3764 wrote to memory of 4204	3764	EXCEL.EXE	90
PID 3764 wrote to memory of 4204	3764	EXCEL.EXE	90
PID 4204 wrote to memory of 4580	4204	regsvr32.exe	96
PID 4204 wrote to memory of 4580	4204	regsvr32.exe	96
PID 4204 wrote to memory of 4580	4204	regsvr32.exe	96

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ee5035310a6ba6c10073c929e5924582.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3764
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\hdrh.dll
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4204
- - C:\Windows\SysWOW64\regsvr32.exe
    C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Tzgtlhwxkv\tsxmkwrbcxlq.nmx"
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:4580

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

hdrh.dll

Path C:\Users\Admin\hdrh.dll
Size 444KB
SHA256 fb59d64c0a9405f7488dd027c969bad079f20d3d8314bdc361c5c2b4ff3966ae
MD5 72e092910b9f93bbaa910cd965ec4da1
SHA1 08cf209a3c3e3027bc90f1268a2feed316dc423a
SHA512 23e81ae1d811c09d6a430581675f90c308361a3a801bfc32986ae4d0bc13ac6e0693a6c7c3037d7df6166828febf4aec2320ecd856ccb062add7ef9b4b11c2d7
MD5 SHA1 SHA512

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hdrh.dll

Path C:\Users\Admin\hdrh.dll
Size 444KB
SHA256 fb59d64c0a9405f7488dd027c969bad079f20d3d8314bdc361c5c2b4ff3966ae
MD5 72e092910b9f93bbaa910cd965ec4da1
SHA1 08cf209a3c3e3027bc90f1268a2feed316dc423a
SHA512 23e81ae1d811c09d6a430581675f90c308361a3a801bfc32986ae4d0bc13ac6e0693a6c7c3037d7df6166828febf4aec2320ecd856ccb062add7ef9b4b11c2d7
MD5 SHA1 SHA512

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tsxmkwrbcxlq.nmx

Path C:\Windows\SysWOW64\Tzgtlhwxkv\tsxmkwrbcxlq.nmx
Size 444KB
SHA256 fb59d64c0a9405f7488dd027c969bad079f20d3d8314bdc361c5c2b4ff3966ae
MD5 72e092910b9f93bbaa910cd965ec4da1
SHA1 08cf209a3c3e3027bc90f1268a2feed316dc423a
SHA512 23e81ae1d811c09d6a430581675f90c308361a3a801bfc32986ae4d0bc13ac6e0693a6c7c3037d7df6166828febf4aec2320ecd856ccb062add7ef9b4b11c2d7
MD5 SHA1 SHA512

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memory/3764-134-0x00007FFDD06B0000-0x00007FFDD06C0000-memory.dmp

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memory/3764-135-0x00007FFDD06B0000-0x00007FFDD06C0000-memory.dmp

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memory/3764-136-0x00007FFDD06B0000-0x00007FFDD06C0000-memory.dmp

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memory/3764-137-0x00007FFDD06B0000-0x00007FFDD06C0000-memory.dmp

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memory/3764-138-0x00007FFDD06B0000-0x00007FFDD06C0000-memory.dmp

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memory/4204-142-0x0000000002950000-0x0000000002974000-memory.dmp

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memory/4580-147-0x0000000001060000-0x0000000001084000-memory.dmp

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