emotet | aa63d94362cb8874770744e73baf3c161c2e595b1fc3f2d3c000185837772740

Analysis

max time kernel
46s
max time network
104s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
07/11/2022, 08:34 UTC

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General

Target

aa63d94362cb8874770744e73baf3c161c2e595b1fc3f2d3c000185837772740.dll
Size

785KB
MD5

4bc9c60c1f2c20f7a92c57a77ca09c01
SHA1

a9694d3983bd16a2cd9364a5bf738dfbe58c4ef5
SHA256

aa63d94362cb8874770744e73baf3c161c2e595b1fc3f2d3c000185837772740
SHA512

b6f62396595c522be4cb0ab1b8a63fc846ca27e487824d9e16f3a22095b2db77fe148218c2effca1d08eb04370874d8a79fdb3758ea0e2ceadbdf67b951a7d83
SSDEEP

12288:B3654Gl/CxZmBxCa4dKm3vcoqBhaLqhChSbNjGwO:B36Flqba4dKm3vcVGhajO

Score

10^/10

emotet epoch4 banker persistence trojan

Malware Config

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

eck1.plain

1
-----BEGIN PUBLIC KEY-----
2
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE86M1tQ4uK/Q1Vs0KTCk+fPEQ3cuw
3
TyCz+gIgzky2DB5Elr60DubJW5q9Tr2dj8/gEFs0TIIEJgLTuqzx+58sdg==
4
-----END PUBLIC KEY-----

ecs1.plain

1
-----BEGIN PUBLIC KEY-----
2
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEQF90tsTY3Aw9HwZ6N9y5+be9Xoov
3
pqHyD6F5DRTl9THosAoePIs/e5AdJiYxhmV8Gq3Zw1ysSPBghxjZdDxY+Q==
4
-----END PUBLIC KEY-----

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\TxdB.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\BqhcvMnWpeux\\TxdB.dll\""	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2844	regsvr32.exe
2844	regsvr32.exe
2904	regsvr32.exe
2904	regsvr32.exe
2904	regsvr32.exe
2904	regsvr32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2844	regsvr32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 2904	2844	regsvr32.exe	66
PID 2844 wrote to memory of 2904	2844	regsvr32.exe	66

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\aa63d94362cb8874770744e73baf3c161c2e595b1fc3f2d3c000185837772740.dll
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Windows\system32\regsvr32.exe
  C:\Windows\system32\regsvr32.exe "C:\Windows\system32\BqhcvMnWpeux\TxdB.dll"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:2904

Network

GET

https://182.162.143.56/

regsvr32.exe

Remote address:

182.162.143.56:443

Request

GET / HTTP/1.1
Connection: Keep-Alive
Cookie: isicyzhvGnwe=7wcalU85dL+VMzAU3FX8For42+RaXaeWe3l2f9sb+ziNOmsG4N04+IHcncik6LMRBN9ZlihIH3OC5e/8viO47o1evnilxIRRORPJVL6z4pfDwzVJuTc7JtzGUhQS3Zz0PbAN9tbHuOiQqXG+DDrZFvQ8shaRD2gESpfBS2+Q3sFBT7CTqj8Oa9Mh4XnpBlOC+DvfNh6JTwACSnvFp/8DIX6c/fJ4e09qH0QM8c04D6BVPTCY/Ue4ZFimvxBXA+6inHkLDCY=
Host: 182.162.143.56

Response

HTTP/1.1 200 OK

Server: nginx
Date: Mon, 07 Nov 2022 08:35:45 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive

182.162.143.56:443

https://182.162.143.56/

tls, http

regsvr32.exe

1.1kB
2.9kB
11
11

HTTP Request

GET https://182.162.143.56/

HTTP Response

200

No results found

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/2844-120-0x0000000180000000-0x000000018002F000-memory.dmp

Filesize
188KB

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