emotet | 7a5d773aa6ef4cf71a18234e4037788e635a3f8aeefef0e9898d69453bc53025

Resubmissions

28-12-2022 03:05

221228-dk91fahc93 10

20-12-2022 19:37

221220-ycbswsea2x 10

Analysis

max time kernel
129s
max time network
153s
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-initial-Emotet-binary-retrieved-by-Word-macro.exe
Size

356KB
MD5

b4a58a14bc4c26df5f91324ca957e825
SHA1

8f0f8eee355a0598b1d1f3536eb1a9a9c00c5629
SHA256

97e5d5a43200ee67ef2429d0721b0559ef0f931c248cb96ca5f5ee6fb81eb365
SHA512

0bd04cb13e8a6ae10a58e1c27961a2c6ce3a03f5d9b43b9542063df2cb102a8cc7e59bed07e8ab163c92d99242cc7d390a0690127eb7016f2051d9db43fc64e7
SSDEEP

6144:+gfUOzb1CGLJl+wO7UCW83CIc/BnpIF7pqj2XIM0mvLpEN6SofWS/eI1Df:+gMOzb1dPnO7UsyIany7o2XIMxavofWG

Score

10^/10

emotet epoch2 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

70.175.171.251:80

177.239.160.121:80

89.211.186.227:443

91.250.96.22:8080

37.187.72.193:8080

104.131.44.150:8080

167.71.10.37:8080

181.143.126.170:80

190.53.135.159:21

200.116.145.225:443

139.130.242.43:80

37.139.21.175:8080

103.86.49.11:8080

45.51.40.140:80

221.165.123.72:80

31.172.240.91:8080

78.189.180.107:80

178.153.176.124:80

182.176.132.213:8090

201.184.105.242:443

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:

attribboost.exe

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

attribboost.exe

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

attribboost.exe

pid	process
3420	attribboost.exe
3420	attribboost.exe
3420	attribboost.exe
3420	attribboost.exe
3420	attribboost.exe
3420	attribboost.exe
3420	attribboost.exe
3420	attribboost.exe
3420	attribboost.exe
3420	attribboost.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe

pid process

5020 2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe

pid	process
5020	2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exeattribboost.exeattribboost.exe

pid	process
1916	2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe
5020	2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe
1232	attribboost.exe
3420	attribboost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exeattribboost.exe

description	pid	process	target process
PID 1916 wrote to memory of 5020	1916	2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe	2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe
PID 1916 wrote to memory of 5020	1916	2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe	2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe
PID 1916 wrote to memory of 5020	1916	2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe	2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe
PID 1232 wrote to memory of 3420	1232	attribboost.exe	attribboost.exe
PID 1232 wrote to memory of 3420	1232	attribboost.exe	attribboost.exe
PID 1232 wrote to memory of 3420	1232	attribboost.exe	attribboost.exe

C:\Users\Admin\AppData\Local\Temp\client\2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe
"C:\Users\Admin\AppData\Local\Temp\client\2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1916

C:\Users\Admin\AppData\Local\Temp\client\2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe
--a8a1a69c
2⤵
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
PID:5020

C:\Windows\SysWOW64\attribboost.exe
"C:\Windows\SysWOW64\attribboost.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1232

C:\Windows\SysWOW64\attribboost.exe
--c53b698f
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3420

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

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\289f7d8b3a97c9ecb3452fd2fab933f9_957af1f1-6875-4c40-9804-a0dcc430f453
Filesize
50B

MD5
30cd1ca02943fee30c1393baf7f29d6a

SHA1
7238fbd8988fba4ab751df437d5fd43d510e27da

SHA256
d2012b851dcae97aaf516a007e79410cab0807161bb59962f3d01aabca6afe48

SHA512
99e8baa5299297c66970af27184846228ed2b605583ae974b6ac10a243ffc1622fac6af5afff99730de9a23ccc994fc2068d5a4d86a16d9a77c038ea885b3ac3

Download Submit
memory/1232-144-0x0000000000D70000-0x0000000000D87000-memory.dmp

Filesize
92KB

Download
memory/1916-132-0x0000000002250000-0x0000000002267000-memory.dmp

Filesize
92KB

Download
memory/1916-142-0x0000000002230000-0x0000000002241000-memory.dmp

Filesize
68KB

Download
memory/3420-149-0x0000000000000000-mapping.dmp

Download
memory/3420-151-0x0000000000E00000-0x0000000000E17000-memory.dmp

Filesize
92KB

Download
memory/5020-137-0x0000000000000000-mapping.dmp

Download
memory/5020-138-0x0000000002140000-0x0000000002157000-memory.dmp

Filesize
92KB

Download