emotet | c36b400e4aa5750e0bbd0b1ecf2666dbd6ae6d23cad083edfefcd13c7199f216

Analysis

max time kernel
52s
max time network
102s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
04/11/2022, 00:35 UTC

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General

Target

c36b400e4aa5750e0bbd0b1ecf2666dbd6ae6d23cad083edfefcd13c7199f216.dll
Size

745KB
MD5

dea12ccba33b15ea9cdf862835e0dbe6
SHA1

bd7bb1bc7b021a6fac50bcfd73c7c2f66d0c20ff
SHA256

c36b400e4aa5750e0bbd0b1ecf2666dbd6ae6d23cad083edfefcd13c7199f216
SHA512

c88c73da34e26701e2ca48dd65a9d9101c50abcc7c2a99fb6aeda0ddb628d39678430fd6495d7896debe90ca2ba5f8d887593077a2a6d85beff3775a6479009a
SSDEEP

6144:i5htEuwPCwdooxhXLY/3tvDc2YLV9yWoPTvtQPZOBk8Dv1yGj/eoyOyqTJDrRtFw:EaCwpDXstOby/ZQPrTGbWEJDDFY1cA

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\uQcwBgwxnldOkyO.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\MIuOPmhXhGVlbP\\uQcwBgwxnldOkyO.dll\""	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2836	regsvr32.exe
2836	regsvr32.exe
3388	regsvr32.exe
3388	regsvr32.exe
3388	regsvr32.exe
3388	regsvr32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2836	regsvr32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 3388	2836	regsvr32.exe	66
PID 2836 wrote to memory of 3388	2836	regsvr32.exe	66

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c36b400e4aa5750e0bbd0b1ecf2666dbd6ae6d23cad083edfefcd13c7199f216.dll
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Windows\system32\regsvr32.exe
  C:\Windows\system32\regsvr32.exe "C:\Windows\system32\MIuOPmhXhGVlbP\uQcwBgwxnldOkyO.dll"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:3388

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: ZC=ommgjMwp5dCbBruAG/qcYL1amHltyRBRRuUZx4bi2LmWL1aZhZzW6e3la/w4RLspcoPQZV+Yi2fYlUpBr3LcB/zw/dBy/ky9hXdPbvVuwQ5odEHo09SJisWEQ683LsIs+3Xkpr8Hcruy1Buc8rnDbAp5SpFogAXhQgSuuXhRl6d9WHhXWUANkk4E+KDPwMjXgm64R0KbHJ0XwwCDh/u+niqZ
Host: 182.162.143.56

Response

HTTP/1.1 200 OK

Server: nginx
Date: Fri, 04 Nov 2022 00:36:01 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
2.7kB
11
11

HTTP Request

GET https://182.162.143.56/

HTTP Response

200
52.168.117.169:443

322 B
7
8.253.208.121:80

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/2836-115-0x0000000180000000-0x000000018002F000-memory.dmp

Filesize
188KB

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