emotet | 7a5d773aa6ef4cf71a18234e4037788e635a3f8aeefef0e9898d69453bc53025

Resubmissions

28-12-2022 03:05

221228-dk91fahc93 10

20-12-2022 19:37

221220-ycbswsea2x 10

Analysis

max time kernel
133s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2022 03:05

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General

Target

client/2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe
Size

496KB
MD5

b63535fb171eb493b69f2f3b16abe387
SHA1

9516de4b4c9de9b996a5d262f4ec633b4ed74bb1
SHA256

c2030bc67f28a570054486b23de2b7a1bccb90fc9cfbf698b8bc380bb03adeb2
SHA512

0c89c501d2d6f9dd91c38f8b695c537ba9cf227aad4057792344d328df83db395412fd17db8d9a63c571161df7f2dde4260e58c157f4c98b69e2e317a354fd0b
SSDEEP

6144:9iSzpqgWJwaLWQt4f4GijqIM48RUl1PZ3e6yIXqn3BTZe87aPqn3BTZeW7BeI1Dn:9hDa9Y4GDNO1h3etVBU83BUWUODn

Score

10^/10

emotet epoch2 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

66.7.242.50:8080

72.186.137.156:80

197.89.27.26:8080

91.250.96.22:8080

37.187.72.193:8080

104.131.44.150:8080

167.71.10.37:8080

78.24.219.147:8080

159.65.25.128:8080

95.128.43.213:8080

179.13.185.19:80

186.86.247.171:443

110.142.38.16:80

201.173.217.124:443

169.239.182.217:8080

211.63.71.72:8080

104.131.11.150:8080

190.55.181.54:443

209.146.22.34:443

64.53.242.181:8080

rsa_pubkey.plain

Signatures

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

Drops file in System32 directory 4 IoCs

Processes:

hallua.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	hallua.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	hallua.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	hallua.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	hallua.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies data under HKEY_USERS 3 IoCs

Processes:

hallua.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	hallua.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	hallua.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	hallua.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

hallua.exe

pid	process
4672	hallua.exe
4672	hallua.exe
4672	hallua.exe
4672	hallua.exe
4672	hallua.exe
4672	hallua.exe
4672	hallua.exe
4672	hallua.exe
4672	hallua.exe
4672	hallua.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe

pid process

2004 2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe

pid	process
2004	2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe2020-01-14-follow-up-Emotet-binary-after-initial-infection.exehallua.exehallua.exe

pid	process
3536	2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe
2004	2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe
4964	hallua.exe
4672	hallua.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2020-01-14-follow-up-Emotet-binary-after-initial-infection.exehallua.exe

description	pid	process	target process
PID 3536 wrote to memory of 2004	3536	2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe	2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe
PID 3536 wrote to memory of 2004	3536	2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe	2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe
PID 3536 wrote to memory of 2004	3536	2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe	2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe
PID 4964 wrote to memory of 4672	4964	hallua.exe	hallua.exe
PID 4964 wrote to memory of 4672	4964	hallua.exe	hallua.exe
PID 4964 wrote to memory of 4672	4964	hallua.exe	hallua.exe

C:\Users\Admin\AppData\Local\Temp\client\2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe
"C:\Users\Admin\AppData\Local\Temp\client\2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3536

C:\Users\Admin\AppData\Local\Temp\client\2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe
--b517906e
2⤵
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
PID:2004

C:\Windows\SysWOW64\hallua.exe
"C:\Windows\SysWOW64\hallua.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4964

C:\Windows\SysWOW64\hallua.exe
--9a615d37
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4672

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\53547c2f8530a67d7cb52bc47572e1ad_8329e3af-909b-464f-88cb-23d8b2c5eadf
Filesize
50B

MD5
38964ddb7aff469448b97453f75c3532

SHA1
721fd0282e5b1e2ff167b3d279af363784e23ea0

SHA256
5da71261dad93c43aa186fd9a293cac3080856115153ee4df3013b5cfc1f96a3

SHA512
5c5da6b2319cb783ccf2b47a070ccda1b63264c67aa8ad7acb360af98cf8b92afc7baa6c90129e1e9e5bfe1b55c5d0af145752191026a736ea05a6f36aeba979

Download Submit
memory/2004-138-0x0000000000000000-mapping.dmp

Download
memory/2004-139-0x0000000002150000-0x0000000002167000-memory.dmp

Filesize
92KB

Download
memory/3536-132-0x00000000022C0000-0x00000000022D7000-memory.dmp

Filesize
92KB

Download
memory/3536-137-0x0000000000580000-0x0000000000591000-memory.dmp

Filesize
68KB

Download
memory/4672-149-0x0000000000000000-mapping.dmp

Download
memory/4672-151-0x0000000000E30000-0x0000000000E47000-memory.dmp

Filesize
92KB

Download
memory/4964-144-0x0000000000E40000-0x0000000000E57000-memory.dmp

Filesize
92KB

Download