dridex | 62ad4d36024513e615316067de47bfe15e5aebe33242bb4607375c384f44403e

General

Target

62ad4d36024513e615316067de47bfe15e5aebe33242bb4607375c384f44403e.dll
Size

196KB
MD5

02f3139bd842bb8d48240abdac2e66b6
SHA1

732b48bb69d36d954c116b88f166836c228c6441
SHA256

62ad4d36024513e615316067de47bfe15e5aebe33242bb4607375c384f44403e
SHA512

994f514523c6bd54593f60f3d861ca7c6745d2b1ebe42ec3dacbb56215efaa19dfa07d4f28cc94e98614cbc2155bf26d94227c56fd50b9a038a6337779a16770

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

37.247.35.132:443

50.243.30.51:6601

162.241.204.234:6516

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/2020-4-0x0000000074A10000-0x0000000074A43000-memory.dmp	dridex_ldr
behavioral1/memory/2020-6-0x0000000074A10000-0x0000000074A2F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

6 2020 rundll32.exe
8 2020 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
6	2020	rundll32.exe
8	2020	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 1812 wrote to memory of 2020	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 2020	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 2020	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 2020	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 2020	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 2020	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 2020	1812	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\62ad4d36024513e615316067de47bfe15e5aebe33242bb4607375c384f44403e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1812

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\62ad4d36024513e615316067de47bfe15e5aebe33242bb4607375c384f44403e.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2020

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/1532-7-0x000007FEF7540000-0x000007FEF77BA000-memory.dmp

Filesize
2.5MB

Download
memory/2020-2-0x0000000000000000-mapping.dmp

Download
memory/2020-3-0x0000000075781000-0x0000000075783000-memory.dmp

Filesize
8KB

Download
memory/2020-4-0x0000000074A10000-0x0000000074A43000-memory.dmp

Filesize
204KB

Download
memory/2020-5-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2020-6-0x0000000074A10000-0x0000000074A2F000-memory.dmp

Filesize
124KB

Download

Analysis

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