dridex | 880b6833bd771997f8d38103865bdc678386a774a0d74c19e8cccdda5cd0cabe

General

Target

880b6833bd771997f8d38103865bdc678386a774a0d74c19e8cccdda5cd0cabe.dll
Size

923KB
MD5

6dad96aade76f63693114c2971555044
SHA1

59b8d649a9951971b1a4d16b07e3145f996f896d
SHA256

880b6833bd771997f8d38103865bdc678386a774a0d74c19e8cccdda5cd0cabe
SHA512

43009dc36f50b7baa2e4e84336872a1f66411da78c64bd8ae951899cae85bd219d307de16c23d2319a41ea1738e2b3cfffa8a93964c1be91072ef4f9ab12c0c9

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

146.185.170.249:443

62.75.251.60:6601

185.148.168.25:2303

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1800-62-0x0000000075190000-0x00000000751CD000-memory.dmp	dridex_ldr
behavioral1/memory/1800-63-0x0000000075190000-0x0000000075290000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 1800 rundll32.exe
7 1800 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
5	1800	rundll32.exe
7	1800	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 1796 wrote to memory of 1800	1796	rundll32.exe	rundll32.exe
PID 1796 wrote to memory of 1800	1796	rundll32.exe	rundll32.exe
PID 1796 wrote to memory of 1800	1796	rundll32.exe	rundll32.exe
PID 1796 wrote to memory of 1800	1796	rundll32.exe	rundll32.exe
PID 1796 wrote to memory of 1800	1796	rundll32.exe	rundll32.exe
PID 1796 wrote to memory of 1800	1796	rundll32.exe	rundll32.exe
PID 1796 wrote to memory of 1800	1796	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\880b6833bd771997f8d38103865bdc678386a774a0d74c19e8cccdda5cd0cabe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1796

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\880b6833bd771997f8d38103865bdc678386a774a0d74c19e8cccdda5cd0cabe.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1800

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1800-60-0x0000000000000000-mapping.dmp

Download
memory/1800-61-0x0000000076A01000-0x0000000076A03000-memory.dmp

Filesize
8KB

Download
memory/1800-62-0x0000000075190000-0x00000000751CD000-memory.dmp

Filesize
244KB

Download
memory/1800-63-0x0000000075190000-0x0000000075290000-memory.dmp

Filesize
1024KB

Download
memory/1800-64-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download

Analysis

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