emotet | 93b2278ca162e14b6913007e15f43779011e0f38cceeafd07621a21cfba0691a

Analysis

max time kernel
152s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2023, 09:47

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General

Target
OFNKLud.dll
Size 514.7MB
Sample230308-lr8d7aef9v
SHA256 06dae86292a7c4aa6c4c1daa6320a1613356dd8efb13143af6cc31f51085339a
MD5 4c0cf8444cafcf2c2f8472067f41fbeb
SHA1 7b5db2d62a3276fb2b8dfd499abcf3fc0b884cab
SHA512 3bd301a3686595321e523ccdf4f0097812b60ae10dcca02ca04bf928581808a76c37043133a1ca3f27d5de4f901c3116199556254b95693ece2c7a0f96cd9c87
SSDEEP 24576:4E4cLCJMj2C8c3wCRSNWiy/eK5xDegO82/gkU8jG:4GLCJMjl8c3wKwKXeZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

emotet epoch4 banker persistence trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

129.232.188.93:443
164.90.222.65:443
159.65.88.10:8080
172.105.226.75:8080
115.68.227.76:8080
187.63.160.88:80
169.57.156.166:8080
185.4.135.165:8080
153.126.146.25:7080
197.242.150.244:8080
139.59.126.41:443
186.194.240.217:443
103.132.242.26:8080
206.189.28.199:8080
163.44.196.120:8080
95.217.221.146:8080
159.89.202.34:443
119.59.103.152:8080
183.111.227.137:8080
201.94.166.162:443
103.75.201.2:443
149.56.131.28:8080
79.137.35.198:8080
5.135.159.50:443
66.228.32.31:7080
91.121.146.47:8080
153.92.5.27:8080
45.235.8.30:8080
72.15.201.15:8080
107.170.39.149:8080
45.176.232.124:443
82.223.21.224:8080
167.172.199.165:8080
213.239.212.5:443
202.129.205.3:8080
94.23.45.86:4143
147.139.166.154:8080
167.172.253.162:8080
91.207.28.33:8080
188.44.20.25:443
104.168.155.143:8080
110.232.117.186:8080
164.68.99.3:8080
1.234.2.232:8080
173.212.193.249:8080
182.162.143.56:443
160.16.142.56:8080
101.50.0.91:8080
103.43.75.120:443

eck1.plain

ecs1.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

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\vSmTErXcEi.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\LDZYyvoqjvhz\\vSmTErXcEi.dll\""	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4396	regsvr32.exe
4396	regsvr32.exe
4004	regsvr32.exe
4004	regsvr32.exe
4004	regsvr32.exe
4004	regsvr32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4396	regsvr32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 4004	4396	regsvr32.exe	87
PID 4396 wrote to memory of 4004	4396	regsvr32.exe	87

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\OFNKLud.dll
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Windows\system32\regsvr32.exe
  C:\Windows\system32\regsvr32.exe "C:\Windows\system32\LDZYyvoqjvhz\vSmTErXcEi.dll"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:4004

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4004-140-0x0000000000400000-0x00000000004B0000-memory.dmp

Download

memory/4004-153-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/4396-133-0x0000000180000000-0x000000018002D000-memory.dmp

Download

memory/4396-136-0x0000000000F30000-0x0000000000F31000-memory.dmp

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