dridex | 0f2404288ec2d5a8fd318b6169644b686d6a61e23f9952884b255e6d0845c064

Analysis

max time kernel
4294184s
max time network
125s
platform
windows7_x64
resource
win7-20220311-en
submitted
19-03-2022 11:19

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General

Target

0f2404288ec2d5a8fd318b6169644b686d6a61e23f9952884b255e6d0845c064.dll
Size

538KB
MD5

d76d0aae2bc54602ebfce443aa4f06a3
SHA1

425b105cbe970b3d38212ebf06b233f61de7fdb9
SHA256

0f2404288ec2d5a8fd318b6169644b686d6a61e23f9952884b255e6d0845c064
SHA512

262637fab6707b1d5d20aef6b51e172eb9b80a04ee5617a7aa556dd744f3f373b05af9b0d5729f9ed8e13eb019986cf75178741a70027c23bd62ced7a83fd4ef

Score

10^/10

dridex 10555 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

169.255.216.36:443

138.201.138.91:3389

89.174.36.41:4643

87.106.89.36:3389

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

3 1828 rundll32.exe
5 1828 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
3	1828	rundll32.exe
5	1828	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 1980 wrote to memory of 1828	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1828	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1828	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1828	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1828	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1828	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1828	1980	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f2404288ec2d5a8fd318b6169644b686d6a61e23f9952884b255e6d0845c064.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1980

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f2404288ec2d5a8fd318b6169644b686d6a61e23f9952884b255e6d0845c064.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1828

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

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Downloads

memory/1828-54-0x0000000075081000-0x0000000075083000-memory.dmp

Filesize
8KB

Download
memory/1828-55-0x00000000001D0000-0x000000000020D000-memory.dmp

Filesize
244KB

Download
memory/1828-56-0x0000000000640000-0x000000000067D000-memory.dmp

Filesize
244KB

Download