dridex | 1760a2c2c03d377a3443632b0f4786a437004b089e2fa4903274c4ae93acfd39

Analysis

max time kernel
59s
max time network
65s
platform
windows10_x64
resource
win10v20201028
submitted
01-11-2020 16:53

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General

Target

Meacoo_.bin.dll

Score

10^/10

dridex 10555 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

85.114.134.25:443

94.23.45.86:3889

145.239.169.34:4643

162.212.152.222:3389

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
behavioral2/memory/1748-1-0x0000000073E50000-0x0000000073E8D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

11 1748 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
11	1748	rundll32.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 884 wrote to memory of 1748	884	rundll32.exe	rundll32.exe
PID 884 wrote to memory of 1748	884	rundll32.exe	rundll32.exe
PID 884 wrote to memory of 1748	884	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Meacoo_.bin.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:884

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Meacoo_.bin.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1748

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/1748-0-0x0000000000000000-mapping.dmp

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memory/1748-1-0x0000000073E50000-0x0000000073E8D000-memory.dmp

Filesize
244KB

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