emotet | 894658b992050ab6d7ee061f083a48264ce56c1b4fbc5ac87c142765405a47f7

Analysis

max time kernel
145s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
07/05/2022, 04:13

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General

Target
?i=1ydceoyhl.xlsm
Size 50KB
Sample220507-es8b9aebak
SHA256 894658b992050ab6d7ee061f083a48264ce56c1b4fbc5ac87c142765405a47f7
MD5 793c5a832ea9b3c4a225bc96b4449bc2
SHA1 168afc78144b659b18b606a26c3e9a6343dd104a
SHA512 df041addb6c8113b2add5439f8ce258016233a47a13a3d540187872e4ac25fe3ac87b016bb391a703e0cb73189f1720c0e723b6df47ef971238312ed77a9b607
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
http://harleyqueretaro.com/renew2019/Back2016-12-22/cv/data/RjuiFMp4Fsp/

Extracted

Family

emotet

Botnet

Epoch4

68.183.94.239:80
104.131.11.205:443
138.197.109.175:8080
187.84.80.182:443
79.143.187.147:443
216.158.226.206:443
167.99.115.35:8080
212.24.98.99:8080
1.234.21.73:7080
206.189.28.199:8080
158.69.222.101:443
164.68.99.3:8080
188.44.20.25:443
185.157.82.211:8080
134.122.66.193:8080
196.218.30.83:443
72.15.201.15:8080
5.9.116.246:8080
176.104.106.96:8080
153.126.146.25:7080
46.55.222.11:443
91.207.28.33:8080
192.99.251.50:443
203.114.109.124:443
51.91.7.5:8080
103.70.28.102:8080
209.250.246.206:443
82.165.152.127:8080
101.50.0.91:8080
151.106.112.196:8080
119.193.124.41:7080
94.23.45.86:4143
51.254.140.238:7080
173.212.193.249:8080
58.227.42.236:80
212.237.17.99:8080
1.234.2.232:8080
45.118.115.99:8080
110.232.117.186:8080
172.104.251.154:8080
159.65.88.10:8080
185.8.212.130:7080
129.232.188.93:443
103.43.46.182:443
103.75.201.2:443
131.100.24.231:80
201.94.166.162:443
45.176.232.124:443
146.59.226.45:443
103.132.242.26:8080
209.126.98.206:8080
197.242.150.244:8080
51.91.76.89:8080
160.16.142.56:8080
176.56.128.118:443
167.172.253.162:8080
189.126.111.200:7080
79.172.212.216:8080
107.182.225.142:8080
50.30.40.196:8080
183.111.227.137:8080

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	3160	3100	regsvr32.exe	81

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3160	regsvr32.exe
3900	regsvr32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Fjgclvcmv\qgmksk.bxs	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 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
3100	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3900	regsvr32.exe
3900	regsvr32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3100	EXCEL.EXE
3100	EXCEL.EXE
3100	EXCEL.EXE
3100	EXCEL.EXE
3100	EXCEL.EXE
3100	EXCEL.EXE
3100	EXCEL.EXE
3100	EXCEL.EXE
3100	EXCEL.EXE
3100	EXCEL.EXE
3100	EXCEL.EXE
3100	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3100 wrote to memory of 3160	3100	EXCEL.EXE	84
PID 3100 wrote to memory of 3160	3100	EXCEL.EXE	84
PID 3100 wrote to memory of 3160	3100	EXCEL.EXE	84
PID 3160 wrote to memory of 3900	3160	regsvr32.exe	85
PID 3160 wrote to memory of 3900	3160	regsvr32.exe	85
PID 3160 wrote to memory of 3900	3160	regsvr32.exe	85

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\_i=1ydceoyhl.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3100
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\rulm.dll
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:3160
- - C:\Windows\SysWOW64\regsvr32.exe
    C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Fjgclvcmv\qgmksk.bxs"
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:3900

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

rulm.dll

Path C:\Users\Admin\rulm.dll
Size 848KB
SHA256 7a2b948dfa606620068203247663247cb95c4a64fde2fa6e522a0a2828027352
MD5 26bf9a27e1ae4680db6c0528579aa5d5
SHA1 1c606018e5dc1bd2189b88216ea82c59f72449e9
SHA512 d91d47ac63a24fed894e460e4d03fe2f23636d0f1a561f267007e0d1910424f437a3c8a38100c6b81c2824c50a76cc3c777158023608643f83c29545fcf6b2fb
SSDEEP 12288:OBOHvWMwoyDdgp4W5dhdu1sRcwT8b3UHv8qDznxN6t:OX/RgaW5dhv8oHvbzn6
MD5 SHA1 SHA512 SSDEEP

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rulm.dll

Path C:\Users\Admin\rulm.dll
Size 848KB
SHA256 7a2b948dfa606620068203247663247cb95c4a64fde2fa6e522a0a2828027352
MD5 26bf9a27e1ae4680db6c0528579aa5d5
SHA1 1c606018e5dc1bd2189b88216ea82c59f72449e9
SHA512 d91d47ac63a24fed894e460e4d03fe2f23636d0f1a561f267007e0d1910424f437a3c8a38100c6b81c2824c50a76cc3c777158023608643f83c29545fcf6b2fb
SSDEEP 12288:OBOHvWMwoyDdgp4W5dhdu1sRcwT8b3UHv8qDznxN6t:OX/RgaW5dhv8oHvbzn6
MD5 SHA1 SHA512 SSDEEP

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qgmksk.bxs

Path C:\Windows\SysWOW64\Fjgclvcmv\qgmksk.bxs
Size 848KB
SHA256 7a2b948dfa606620068203247663247cb95c4a64fde2fa6e522a0a2828027352
MD5 26bf9a27e1ae4680db6c0528579aa5d5
SHA1 1c606018e5dc1bd2189b88216ea82c59f72449e9
SHA512 d91d47ac63a24fed894e460e4d03fe2f23636d0f1a561f267007e0d1910424f437a3c8a38100c6b81c2824c50a76cc3c777158023608643f83c29545fcf6b2fb
SSDEEP 12288:OBOHvWMwoyDdgp4W5dhdu1sRcwT8b3UHv8qDznxN6t:OX/RgaW5dhv8oHvbzn6
MD5 SHA1 SHA512 SSDEEP

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memory/3100-133-0x00007FFD40E70000-0x00007FFD40E80000-memory.dmp

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memory/3100-134-0x00007FFD40E70000-0x00007FFD40E80000-memory.dmp

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memory/3100-135-0x00007FFD3E940000-0x00007FFD3E950000-memory.dmp

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memory/3100-136-0x00007FFD3E940000-0x00007FFD3E950000-memory.dmp

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memory/3100-130-0x00007FFD40E70000-0x00007FFD40E80000-memory.dmp

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memory/3100-132-0x00007FFD40E70000-0x00007FFD40E80000-memory.dmp

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memory/3100-131-0x00007FFD40E70000-0x00007FFD40E80000-memory.dmp

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memory/3160-140-0x0000000002850000-0x0000000002874000-memory.dmp

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memory/3900-145-0x0000000002920000-0x0000000002944000-memory.dmp

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