emotet | 42b2cc60b1841e405cb8fede4c696807662d64603a5c7c8418f723475fc99b39

Analysis

max time kernel
143s
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, 00:28

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General

Target
42b2cc60b1841e405cb8fede4c696807662d64603a5c7c8418f723475fc99b39.xls
Size 91KB
Sample221110-asf6jsfagj
SHA256 42b2cc60b1841e405cb8fede4c696807662d64603a5c7c8418f723475fc99b39
MD5 b172d341261955f10c3d8e64b15b9b0a
SHA1 2048bf7c51fc1d928edaa949758d6229748f1986
SHA512 461192b479079316d1491ce0ddb5fd5de99b962de24773d4f6b186220752c597022b8fb2c7b6bead798d7b3760981e6cd56146b1ff3292d7419862779f988add
SSDEEP 1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgIbCXuZH4gb4CEn9J4ZJhQvj:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgt
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

emotet epoch5 banker persistence trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
http://fixoutlet.com/logs/OGlRuU/
xlm40.dropper
http://www.cesasin.com.ar/administrator/viA95RR/

Extracted

Family

emotet

Botnet

Epoch5

178.238.225.252:8080
139.196.72.155:8080
36.67.23.59:443
103.56.149.105:8080
37.44.244.177:8080
85.25.120.45:8080
202.134.4.210:7080
78.47.204.80:443
83.229.80.93:8080
93.104.209.107:8080
80.211.107.116:8080
165.22.254.236:8080
104.244.79.94:443
185.148.169.10:8080
190.145.8.4:443
175.126.176.79:8080
139.59.80.108:8080
188.165.79.151:443
128.199.217.206:443
64.227.55.231:8080
218.38.121.17:443
103.71.99.57:8080
103.224.241.74:8080
128.199.242.164:8080
85.214.67.203:8080
103.254.12.236:7080
46.101.98.60:8080
178.62.112.199:8080
210.57.209.142:8080
195.77.239.39:8080
103.126.216.86:443
82.98.180.154:7080
202.28.34.99:8080
174.138.33.49:7080
160.16.143.191:8080
51.75.33.122:443
103.41.204.169:8080
186.250.48.5:443
87.106.97.83:7080
118.98.72.86:443
196.44.98.190:8080
103.85.95.4:8080
62.171.178.147:8080
54.37.228.122:443
114.79.130.68:443
198.199.70.22:8080

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	3076	4248	regsvr32.exe	65

Downloads MZ/PE file

Loads dropped DLL 1 IoCs

pid	Process
3076	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\XlaoYYpfnBPkvR.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\NshQGvwP\\XlaoYYpfnBPkvR.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 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\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4248	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3076	regsvr32.exe
3076	regsvr32.exe
4748	regsvr32.exe
4748	regsvr32.exe
4748	regsvr32.exe
4748	regsvr32.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4248	EXCEL.EXE
4248	EXCEL.EXE
4248	EXCEL.EXE
4248	EXCEL.EXE
4248	EXCEL.EXE
4248	EXCEL.EXE
4248	EXCEL.EXE
4248	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 3076	4248	EXCEL.EXE	72
PID 4248 wrote to memory of 3076	4248	EXCEL.EXE	72
PID 3076 wrote to memory of 4748	3076	regsvr32.exe	73
PID 3076 wrote to memory of 4748	3076	regsvr32.exe	73

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\42b2cc60b1841e405cb8fede4c696807662d64603a5c7c8418f723475fc99b39.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4248
- 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:3076
- - C:\Windows\system32\regsvr32.exe
    C:\Windows\system32\regsvr32.exe "C:\Windows\system32\NshQGvwP\XlaoYYpfnBPkvR.dll"
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    PID:4748

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 591KB
SHA256 f9c9dbd823e73593a18565b32725b4f552ae946ced95de7a96eb739727ef24eb
MD5 cfb6d9a8aaa558c28e4de844cc952b7a
SHA1 bccb68e5a6f0874646e8318e3bddede2bd9e0918
SHA512 78ca8914498e803f9a211ef6f88df5beec3850dd582f60cf58a2f932c6924a49b16a54b591554db8adcaea62ed072cbd4ce9693ae711c4f8bd755f2a4f82c52b
SSDEEP 12288:d5xml1eXk52nn1pCBrPFogSShuJN/x6O9cDzfmo1L:1ml8U52n1pkxoI0nwfme
MD5 SHA1 SHA512 SSDEEP

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elv1.ooocccxxx

Path \Users\Admin\elv1.ooocccxxx
Size 591KB
SHA256 f9c9dbd823e73593a18565b32725b4f552ae946ced95de7a96eb739727ef24eb
MD5 cfb6d9a8aaa558c28e4de844cc952b7a
SHA1 bccb68e5a6f0874646e8318e3bddede2bd9e0918
SHA512 78ca8914498e803f9a211ef6f88df5beec3850dd582f60cf58a2f932c6924a49b16a54b591554db8adcaea62ed072cbd4ce9693ae711c4f8bd755f2a4f82c52b
SSDEEP 12288:d5xml1eXk52nn1pCBrPFogSShuJN/x6O9cDzfmo1L:1ml8U52n1pkxoI0nwfme
MD5 SHA1 SHA512 SSDEEP

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memory/4248-119-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

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memory/4248-120-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

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memory/4248-121-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

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memory/4248-122-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

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memory/4248-131-0x00007FFAED120000-0x00007FFAED130000-memory.dmp

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memory/4248-132-0x00007FFAED120000-0x00007FFAED130000-memory.dmp

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memory/4748-273-0x0000000000930000-0x0000000000960000-memory.dmp

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