emotet | 0e72e2ed313d7a36f6e07b6019bfcca0c159eb4b775dcf9af2fae35d26da5e8f

Analysis

max time kernel
137s
max time network
140s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
03/11/2022, 19:41 UTC

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General

Target

0e72e2ed313d7a36f6e07b6019bfcca0c159eb4b775dcf9af2fae35d26da5e8f.dll
Size

708KB
MD5

67dc13dc5abb15b23b7305bebf1f3e20
SHA1

21bced1971f0ae68f85a39cd907ffb7da0424297
SHA256

0e72e2ed313d7a36f6e07b6019bfcca0c159eb4b775dcf9af2fae35d26da5e8f
SHA512

9b26a491d25bb946f43492cecdc6f247a94253aebfc6052041a688f6b7910e5687c6a5b5b3ab9b8fa23f96464f464c51c2c1ac54d2e994669ada5b0b98095a13
SSDEEP

12288:GO9v4lmSaibI+STytgqbZXuJtFcKAvHN3Onz69jnzTBjvguZ7+O:GO9v4li0I+ttgqbZXuCJ/PZJ0O

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\CkyzjOsHb.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\AzFWV\\CkyzjOsHb.dll\""	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
388	regsvr32.exe
388	regsvr32.exe
4136	regsvr32.exe
4136	regsvr32.exe
4136	regsvr32.exe
4136	regsvr32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
388	regsvr32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 4136	388	regsvr32.exe	66
PID 388 wrote to memory of 4136	388	regsvr32.exe	66

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0e72e2ed313d7a36f6e07b6019bfcca0c159eb4b775dcf9af2fae35d26da5e8f.dll
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:388
- C:\Windows\system32\regsvr32.exe
  C:\Windows\system32\regsvr32.exe "C:\Windows\system32\AzFWV\CkyzjOsHb.dll"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:4136

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: GrAhSYk=rXmzcIaH3uvoHKB998UJm+jez5RyXtU177ZPURd0voICVjExYachyao0wUfKEPCfGSwPI6xc1F2DEFGEeoNUj4xhE0zEvV4v4PnjoADujbTojq+yGWT97rjVRoh9CCT9fkFkvzMnlRxHOnjs9fOnFrfuX+6eo3352/87xcOEartiohvfZS9lA+W7Wdkw9qj1z+FWZWxaotdy/wQPADlo84QiUN6SvjJ7cOlv6dtBnFPm2nStP8WCR1Lkp4/Ly/jM6j6wOuoC3AhsZpe5L7MxwT045SO/Ciu19Mz8tL6w0fKgWjcpfz4x5OpELgP9dO8=
Host: 182.162.143.56

Response

HTTP/1.1 200 OK

Server: nginx
Date: Thu, 03 Nov 2022 19:42:25 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

1.2kB
2.5kB
11
11

HTTP Request

GET https://182.162.143.56/

HTTP Response

200
20.42.73.27:443

322 B
7

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/388-120-0x0000000180000000-0x000000018002F000-memory.dmp

Filesize
188KB

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