emotet | 91ac7bac068f4db8cd6bdfa2a1e128f69e78ae25c0e303e6d21128a434285e32

General

Target

91ac7bac068f4db8cd6bdfa2a1e128f69e78ae25c0e303e6d21128a434285e32.dll
Size

223KB
MD5

4957e64a7415124fd9793a778f9f4f70
SHA1

4f7e73cc6d40f7c68cfce305e21c8fadfdc8d34f
SHA256

91ac7bac068f4db8cd6bdfa2a1e128f69e78ae25c0e303e6d21128a434285e32
SHA512

15671ff9be6a7dead71e6469adbb35065e3280cdb511e390f4e897b9d4cd376a2ebf1f802fd49b39a529512a3442c1fed0959a7e5e30d029571dcc90e1958227

Score

10^/10

emotet epoch2 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

97.120.3.198:80

70.180.33.202:80

50.116.111.59:8080

173.249.20.233:443

188.165.214.98:8080

172.104.97.173:8080

41.185.28.84:8080

120.150.218.241:443

217.20.166.178:7080

67.10.155.92:80

188.219.31.12:80

120.150.60.189:80

108.21.72.56:443

186.74.215.34:80

144.217.7.207:7080

152.170.205.73:80

49.205.182.134:80

187.161.206.24:80

95.213.236.64:8080

74.40.205.197:443

rsa_pubkey.plain

Signatures

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

Emotet3 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1548-55-0x0000000000220000-0x000000000023F000-memory.dmp	Emotet3
behavioral1/memory/1872-59-0x00000000002D0000-0x00000000002EF000-memory.dmp	Emotet3

Blocklisted process makes network request 4 IoCs

Processes:

rundll32.exe

flow pid process

5 1872 rundll32.exe
6 1872 rundll32.exe
7 1872 rundll32.exe
8 1872 rundll32.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

rundll32.exe

pid process

1872 rundll32.exe
1872 rundll32.exe
1872 rundll32.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

rundll32.exe

pid process

1548 rundll32.exe

flow	pid	process
5	1872	rundll32.exe
6	1872	rundll32.exe
7	1872	rundll32.exe
8	1872	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Ybbg\ybxelp.ygl	rundll32.exe

pid	process
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe

pid	process
1548	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1676 wrote to memory of 1548	1676	rundll32.exe	rundll32.exe
PID 1676 wrote to memory of 1548	1676	rundll32.exe	rundll32.exe
PID 1676 wrote to memory of 1548	1676	rundll32.exe	rundll32.exe
PID 1676 wrote to memory of 1548	1676	rundll32.exe	rundll32.exe
PID 1676 wrote to memory of 1548	1676	rundll32.exe	rundll32.exe
PID 1676 wrote to memory of 1548	1676	rundll32.exe	rundll32.exe
PID 1676 wrote to memory of 1548	1676	rundll32.exe	rundll32.exe
PID 1548 wrote to memory of 1872	1548	rundll32.exe	rundll32.exe
PID 1548 wrote to memory of 1872	1548	rundll32.exe	rundll32.exe
PID 1548 wrote to memory of 1872	1548	rundll32.exe	rundll32.exe
PID 1548 wrote to memory of 1872	1548	rundll32.exe	rundll32.exe
PID 1548 wrote to memory of 1872	1548	rundll32.exe	rundll32.exe
PID 1548 wrote to memory of 1872	1548	rundll32.exe	rundll32.exe
PID 1548 wrote to memory of 1872	1548	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\91ac7bac068f4db8cd6bdfa2a1e128f69e78ae25c0e303e6d21128a434285e32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\91ac7bac068f4db8cd6bdfa2a1e128f69e78ae25c0e303e6d21128a434285e32.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1548
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ybbg\ybxelp.ygl",RunDLL
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    PID:1872

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1548-54-0x0000000075EA1000-0x0000000075EA3000-memory.dmp

Filesize
8KB

Download
memory/1548-55-0x0000000000220000-0x000000000023F000-memory.dmp

Filesize
124KB

Download
memory/1872-59-0x00000000002D0000-0x00000000002EF000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing