emotet | 5c0b0d16a6e14aa8a26696cfcb48cfad62134e51a54957c48ef7bd7dccd28574

General

Target

fb033a3958b08035589667a5bfd1c0f8.dll
Size

252KB
MD5

fb033a3958b08035589667a5bfd1c0f8
SHA1

24d8e33a2668fe00b8211dbf98857603515ee642
SHA256

5c0b0d16a6e14aa8a26696cfcb48cfad62134e51a54957c48ef7bd7dccd28574
SHA512

0d539eb9393fd99658763a9d431e352408fe197b0237918d2b5bc870bb1554884fc5d6a508d9f37efcb2675e54a1f20fdb41aee179468e6d9a1310ccbccb28aa

Score

10^/10

emotet epoch4 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

81.0.236.93:443

94.177.248.64:443

66.42.55.5:7080

103.8.26.103:8080

185.184.25.237:8080

45.76.176.10:8080

188.93.125.116:8080

103.8.26.102:8080

178.79.147.66:8080

58.227.42.236:80

45.118.135.203:7080

103.75.201.2:443

195.154.133.20:443

45.142.114.231:8080

212.237.5.209:443

207.38.84.195:8080

104.251.214.46:8080

138.185.72.26:8080

51.68.175.8:8080

210.57.217.132:8080

eck1.plain

ecs1.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet
Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

18 4052 rundll32.exe
23 4052 rundll32.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Ghnsf\knahinwozkrbs.ama 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 2 IoCs

Processes:

rundll32.exe

pid process

4052 rundll32.exe
4052 rundll32.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

rundll32.exe

pid process

3752 rundll32.exe

flow	pid	process
18	4052	rundll32.exe
23	4052	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Ghnsf\knahinwozkrbs.ama	rundll32.exe

pid	process
4052	rundll32.exe
4052	rundll32.exe

pid	process
3752	rundll32.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

rundll32.exerundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 3676 wrote to memory of 3660	3676	rundll32.exe	rundll32.exe
PID 3676 wrote to memory of 3660	3676	rundll32.exe	rundll32.exe
PID 3676 wrote to memory of 3660	3676	rundll32.exe	rundll32.exe
PID 3660 wrote to memory of 3752	3660	rundll32.exe	rundll32.exe
PID 3660 wrote to memory of 3752	3660	rundll32.exe	rundll32.exe
PID 3660 wrote to memory of 3752	3660	rundll32.exe	rundll32.exe
PID 3752 wrote to memory of 4024	3752	rundll32.exe	rundll32.exe
PID 3752 wrote to memory of 4024	3752	rundll32.exe	rundll32.exe
PID 3752 wrote to memory of 4024	3752	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 4052	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 4052	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 4052	4024	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb033a3958b08035589667a5bfd1c0f8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3676

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb033a3958b08035589667a5bfd1c0f8.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:3660

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\fb033a3958b08035589667a5bfd1c0f8.dll",Control_RunDLL
3⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3752

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ghnsf\knahinwozkrbs.ama",YKrwfjbYtomChjs
4⤵
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ghnsf\knahinwozkrbs.ama",Control_RunDLL
5⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:4052

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/3660-118-0x0000000000000000-mapping.dmp

Download
memory/3660-119-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/3752-120-0x0000000000000000-mapping.dmp

Download
memory/4024-121-0x0000000000000000-mapping.dmp

Download
memory/4052-122-0x0000000000000000-mapping.dmp

Download

Analysis

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