dridex | 8e2ecfdf6802a22ef4a346a78ece663397753b31c600db7e0555802421b38067

Analysis

max time kernel
82s
max time network
91s
platform
windows10_x64
resource
win10v20201028
submitted
03-04-2021 18:13

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General

Target

8e2ecfdf6802a22ef4a346a78ece663397753b31c600db7e0555802421b38067.dll
Size

196KB
MD5

62ef67a989a2fcd3a44a03a56f247d7c
SHA1

24cf41ef8b71f9cd8d9f2367b997ac2322a4e544
SHA256

8e2ecfdf6802a22ef4a346a78ece663397753b31c600db7e0555802421b38067
SHA512

5e84f91c9118c3236256b6171280afa335f38722b7b4736befc755351bc594af630de9a2a1496b30e35ef9f78e4a66b52100ecaf1c199d2a8d1d3a67447c4a76

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

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/3268-3-0x0000000074260000-0x0000000074293000-memory.dmp	dridex_ldr
behavioral1/memory/3268-5-0x0000000074260000-0x000000007427F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

11 3268 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	3268	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 3980 wrote to memory of 3268	3980	rundll32.exe	rundll32.exe
PID 3980 wrote to memory of 3268	3980	rundll32.exe	rundll32.exe
PID 3980 wrote to memory of 3268	3980	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e2ecfdf6802a22ef4a346a78ece663397753b31c600db7e0555802421b38067.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3980

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e2ecfdf6802a22ef4a346a78ece663397753b31c600db7e0555802421b38067.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3268

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/3268-2-0x0000000000000000-mapping.dmp

Download
memory/3268-3-0x0000000074260000-0x0000000074293000-memory.dmp

Filesize
204KB

Download
memory/3268-4-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/3268-5-0x0000000074260000-0x000000007427F000-memory.dmp

Filesize
124KB

Download