dridex | 2a2d3e1bee9006855826c4a62ee664fd9d2f0b5f0bfc1c8720425596ea09e3e1

General

Target

2a2d3e1bee9006855826c4a62ee664fd9d2f0b5f0bfc1c8720425596ea09e3e1.dll
Size

188KB
MD5

f53a71a487a51067b6d92c3d67293a2f
SHA1

82984935d526cd990af122ea431b7cc83c98d63e
SHA256

2a2d3e1bee9006855826c4a62ee664fd9d2f0b5f0bfc1c8720425596ea09e3e1
SHA512

4b4829dad6ee14425e4e58d1d15c347872fe307f31134e272a0201cbe8773d481c9c16fcbd7ee0457bfbff82bbf5b71ba98d625ad86c48ba4a49c8408a8d064c

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/2004-5-0x0000000075560000-0x0000000075591000-memory.dmp	dridex_ldr
behavioral1/memory/2004-7-0x0000000075560000-0x000000007557F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 2004 rundll32.exe
7 2004 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
4	2004	rundll32.exe
7	2004	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 292 wrote to memory of 2004	292	rundll32.exe	rundll32.exe
PID 292 wrote to memory of 2004	292	rundll32.exe	rundll32.exe
PID 292 wrote to memory of 2004	292	rundll32.exe	rundll32.exe
PID 292 wrote to memory of 2004	292	rundll32.exe	rundll32.exe
PID 292 wrote to memory of 2004	292	rundll32.exe	rundll32.exe
PID 292 wrote to memory of 2004	292	rundll32.exe	rundll32.exe
PID 292 wrote to memory of 2004	292	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a2d3e1bee9006855826c4a62ee664fd9d2f0b5f0bfc1c8720425596ea09e3e1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:292

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a2d3e1bee9006855826c4a62ee664fd9d2f0b5f0bfc1c8720425596ea09e3e1.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2004

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/1428-8-0x000007FEF6B80000-0x000007FEF6DFA000-memory.dmp

Filesize
2.5MB

Download
memory/2004-2-0x0000000000000000-mapping.dmp

Download
memory/2004-3-0x0000000076861000-0x0000000076863000-memory.dmp

Filesize
8KB

Download
memory/2004-4-0x00000000751F0000-0x0000000075393000-memory.dmp

Filesize
1.6MB

Download
memory/2004-5-0x0000000075560000-0x0000000075591000-memory.dmp

Filesize
196KB

Download
memory/2004-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2004-7-0x0000000075560000-0x000000007557F000-memory.dmp

Filesize
124KB

Download

Analysis

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