dridex | 92513d7788e6c70e269721a5454411ca78b13513ab597e3e16b9f9fad2bf0807

Analysis

max time kernel
8s
max time network
67s
platform
windows7_x64
resource
win7v20201028
submitted
18-11-2020 12:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b6egewgab.dll
Size

539KB
MD5

8616b8042e97e211a2c7d1a91acb3fdb
SHA1

65c2c2be6e67923e7c0e57d1ea1724ec3a7d9878
SHA256

92513d7788e6c70e269721a5454411ca78b13513ab597e3e16b9f9fad2bf0807
SHA512

a8d968b98217b801fee0cdf711ceab304223c88c09c4c788c254f86346ac518230beccc0f9b3cde42180fd9ddc341ce16d61f1219ea17524440bc4d89a0f252f

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

162.241.44.26:9443

192.232.229.53:4443

77.220.64.34:443

193.90.12.121:3098

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1192-1-0x00000000004C0000-0x00000000004FD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 1192 rundll32.exe
7 1192 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

flow	pid	process
4	1192	rundll32.exe
7	1192	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1816 wrote to memory of 1192	1816	rundll32.exe	rundll32.exe
PID 1816 wrote to memory of 1192	1816	rundll32.exe	rundll32.exe
PID 1816 wrote to memory of 1192	1816	rundll32.exe	rundll32.exe
PID 1816 wrote to memory of 1192	1816	rundll32.exe	rundll32.exe
PID 1816 wrote to memory of 1192	1816	rundll32.exe	rundll32.exe
PID 1816 wrote to memory of 1192	1816	rundll32.exe	rundll32.exe
PID 1816 wrote to memory of 1192	1816	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6egewgab.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1816

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6egewgab.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1192

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1192-0-0x0000000000000000-mapping.dmp

Download
memory/1192-1-0x00000000004C0000-0x00000000004FD000-memory.dmp

Filesize
244KB

Download
memory/1784-2-0x000007FEF79D0000-0x000007FEF7C4A000-memory.dmp

Filesize
2.5MB

Download