emotet | 83e988460e2d1305223d78eed848f66fbe3fdfe9d6fa0a10a008e09867dc90cb

Analysis

max time kernel
575s
max time network
587s
platform
windows10_x64
resource
win10v20201028
submitted
24-01-2021 19:01

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General

Target

E1-20210122_102150.dll
Size

346KB
MD5

1542602628751eb95eecd6c00ff5cee8
SHA1

90c4d944f28167a4320c66a9efcab331e978f8d7
SHA256

f5a2ec7716664ae860577125e6e304b393e655a69cdd48c93387c0ec08cc98d5
SHA512

782bf6a3bbf7a2703f8ee30db9aa92153959bac402f8102f400cabba8427109cac4fef540cf9b6862f6b56db33c335e58c443d732d353f3538badbf0a1ff06a6

Score

10^/10

emotet epoch1 banker ransomware trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

84.232.229.24:80

51.255.203.164:8080

217.160.169.110:8080

51.15.7.145:80

177.85.167.10:80

186.177.174.163:80

190.114.254.163:8080

185.183.16.47:80

149.202.72.142:7080

181.30.61.163:443

31.27.59.105:80

50.28.51.143:8080

68.183.190.199:8080

85.214.26.7:8080

137.74.106.111:7080

200.75.39.254:80

85.105.239.184:443

190.45.24.210:80

170.81.48.2:80

109.101.137.162:8080

rsa_pubkey.plain

Signatures

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

Blocklisted process makes network request 10 IoCs

Processes:

rundll32.exe

flow	pid	process
16	4048	rundll32.exe
18	4048	rundll32.exe
20	4048	rundll32.exe
21	4048	rundll32.exe
22	4048	rundll32.exe
23	4048	rundll32.exe
25	4048	rundll32.exe
26	4048	rundll32.exe
27	4048	rundll32.exe
28	4048	rundll32.exe

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Ufhybvctfmjy\uzncxivihzm.jhe 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

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Ufhybvctfmjy\uzncxivihzm.jhe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

rundll32.exe

pid	process
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

rundll32.exe

pid process

584 rundll32.exe

pid	process
584	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 4000 wrote to memory of 584	4000	rundll32.exe	rundll32.exe
PID 4000 wrote to memory of 584	4000	rundll32.exe	rundll32.exe
PID 4000 wrote to memory of 584	4000	rundll32.exe	rundll32.exe
PID 584 wrote to memory of 2248	584	rundll32.exe	rundll32.exe
PID 584 wrote to memory of 2248	584	rundll32.exe	rundll32.exe
PID 584 wrote to memory of 2248	584	rundll32.exe	rundll32.exe
PID 2248 wrote to memory of 4048	2248	rundll32.exe	rundll32.exe
PID 2248 wrote to memory of 4048	2248	rundll32.exe	rundll32.exe
PID 2248 wrote to memory of 4048	2248	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\E1-20210122_102150.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\E1-20210122_102150.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:584
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ufhybvctfmjy\uzncxivihzm.jhe",DUheWRnFcnxWrT
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2248
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ufhybvctfmjy\uzncxivihzm.jhe",#1
      4⤵
      Blocklisted process makes network request
      Suspicious behavior: EnumeratesProcesses
      PID:4048

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/584-2-0x0000000000000000-mapping.dmp

Download
memory/584-3-0x0000000002920000-0x0000000002941000-memory.dmp

Filesize
132KB

Download
memory/584-4-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/2248-5-0x0000000000000000-mapping.dmp

Download
memory/4048-6-0x0000000000000000-mapping.dmp

Download