emotet | aa01d9951003a150e3d597fb6fa9e7fb91513ea2ddfa81096c3d10199ca78c70

General

Target

aretmrytntm.sqj.dll
Size

330KB
MD5

824fd8be213246bef034dffc574a9579
SHA1

8254291e676e83e7ec92370e67ad0a08014ab52b
SHA256

a7979541a188f04dfa7f2981e0dcabc700da73422ce7ce43c9fce5896eb5085c
SHA512

51e481347ea6d415657c8f1bd05440d0b01dfe1e42b1df93d0afa0a0b6ee0e7d12cd4d017f6234863554da853f2ab309c25fdf3952eb432a756a31a1c8cb6f98

Score

10^/10

emotet epoch3 banker ransomware trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch3

C2

190.55.186.229:80

203.157.152.9:7080

157.245.145.87:443

109.99.146.210:8080

116.202.10.123:8080

172.96.190.154:8080

163.53.204.180:443

190.107.118.125:80

91.93.3.85:8080

185.142.236.163:443

115.79.195.246:80

120.51.34.254:80

192.210.217.94:8080

198.20.228.9:8080

91.75.75.46:80

54.38.143.245:8080

161.49.84.2:80

162.144.145.58:8080

178.33.167.120:8080

201.193.160.196:80

rsa_pubkey.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet
Blocklisted process makes network request 5 IoCs

Processes:

rundll32.exe

flow pid process

5 1616 rundll32.exe
8 1616 rundll32.exe
9 1616 rundll32.exe
12 1616 rundll32.exe
13 1616 rundll32.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Xvhpxlbuoo\tkibxlekb.ixt rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rundll32.exe

pid process

1616 rundll32.exe
1616 rundll32.exe
1616 rundll32.exe
1616 rundll32.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

rundll32.exe

pid process

2032 rundll32.exe

flow	pid	process
5	1616	rundll32.exe
8	1616	rundll32.exe
9	1616	rundll32.exe
12	1616	rundll32.exe
13	1616	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Xvhpxlbuoo\tkibxlekb.ixt	rundll32.exe

pid	process
1616	rundll32.exe
1616	rundll32.exe
1616	rundll32.exe
1616	rundll32.exe

pid	process
2032	rundll32.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 1632 wrote to memory of 2032	1632	rundll32.exe	rundll32.exe
PID 1632 wrote to memory of 2032	1632	rundll32.exe	rundll32.exe
PID 1632 wrote to memory of 2032	1632	rundll32.exe	rundll32.exe
PID 1632 wrote to memory of 2032	1632	rundll32.exe	rundll32.exe
PID 1632 wrote to memory of 2032	1632	rundll32.exe	rundll32.exe
PID 1632 wrote to memory of 2032	1632	rundll32.exe	rundll32.exe
PID 1632 wrote to memory of 2032	1632	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 1380	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 1380	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 1380	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 1380	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 1380	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 1380	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 1380	2032	rundll32.exe	rundll32.exe
PID 1380 wrote to memory of 1616	1380	rundll32.exe	rundll32.exe
PID 1380 wrote to memory of 1616	1380	rundll32.exe	rundll32.exe
PID 1380 wrote to memory of 1616	1380	rundll32.exe	rundll32.exe
PID 1380 wrote to memory of 1616	1380	rundll32.exe	rundll32.exe
PID 1380 wrote to memory of 1616	1380	rundll32.exe	rundll32.exe
PID 1380 wrote to memory of 1616	1380	rundll32.exe	rundll32.exe
PID 1380 wrote to memory of 1616	1380	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aretmrytntm.sqj.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aretmrytntm.sqj.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Xvhpxlbuoo\tkibxlekb.ixt",MDyXjFARxQLbj
3⤵
- Suspicious use of WriteProcessMemory
PID:1380

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Xvhpxlbuoo\tkibxlekb.ixt",#1
4⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:1616

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1012-14-0x000007FEF7B10000-0x000007FEF7D8A000-memory.dmp

Filesize
2.5MB

Download
memory/1380-4-0x0000000000000000-mapping.dmp

Download
memory/1616-8-0x0000000000000000-mapping.dmp

Download
memory/2032-2-0x0000000000000000-mapping.dmp

Download
memory/2032-3-0x0000000076341000-0x0000000076343000-memory.dmp

Filesize
8KB

Download
memory/2032-6-0x0000000000130000-0x000000000014F000-memory.dmp

Filesize
124KB

Download
memory/2032-7-0x0000000010000000-0x0000000010023000-memory.dmp

Filesize
140KB

Download

Analysis

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