dridex | ada60dcfe05fe2b8d883f498e19649b147cc7503d32a75c226f82efb0dacbbe2

General

Target

ada60dcfe05fe2b8d883f498e19649b147cc7503d32a75c226f82efb0dacbbe2.dll
Size

188KB
MD5

5f112d9917735df6045d96659f84f4ca
SHA1

806f8dafd3a9039a0e614d6b9a45930140b3a846
SHA256

ada60dcfe05fe2b8d883f498e19649b147cc7503d32a75c226f82efb0dacbbe2
SHA512

319b746585754036071281dac746428f1ed044d02070d1970e820278d1356d6ad146423a2dd25cea9ea46788d18348fb8a7db24521ec066b328830e6c603f5f6

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

209.151.236.42:443

91.121.94.86:8172

5.189.144.136:6516

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/1920-5-0x0000000074D60000-0x0000000074D91000-memory.dmp	dridex_ldr
behavioral1/memory/1920-7-0x0000000074D60000-0x0000000074D7F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

7 1920 rundll32.exe
8 1920 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
7	1920	rundll32.exe
8	1920	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 792 wrote to memory of 1920	792	rundll32.exe	rundll32.exe
PID 792 wrote to memory of 1920	792	rundll32.exe	rundll32.exe
PID 792 wrote to memory of 1920	792	rundll32.exe	rundll32.exe
PID 792 wrote to memory of 1920	792	rundll32.exe	rundll32.exe
PID 792 wrote to memory of 1920	792	rundll32.exe	rundll32.exe
PID 792 wrote to memory of 1920	792	rundll32.exe	rundll32.exe
PID 792 wrote to memory of 1920	792	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ada60dcfe05fe2b8d883f498e19649b147cc7503d32a75c226f82efb0dacbbe2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:792

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ada60dcfe05fe2b8d883f498e19649b147cc7503d32a75c226f82efb0dacbbe2.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1920

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/1628-8-0x000007FEF63D0000-0x000007FEF664A000-memory.dmp

Filesize
2.5MB

Download
memory/1920-2-0x0000000000000000-mapping.dmp

Download
memory/1920-3-0x00000000765E1000-0x00000000765E3000-memory.dmp

Filesize
8KB

Download
memory/1920-4-0x00000000749F0000-0x0000000074B93000-memory.dmp

Filesize
1.6MB

Download
memory/1920-5-0x0000000074D60000-0x0000000074D91000-memory.dmp

Filesize
196KB

Download
memory/1920-6-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/1920-7-0x0000000074D60000-0x0000000074D7F000-memory.dmp

Filesize
124KB

Download

Analysis

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