dridex | 558ab8f85761371aef0058c98af0080a595225f9d4d84a52109358f56e26e382

Analysis

max time kernel
47s
max time network
57s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:18

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General

Target

558ab8f85761371aef0058c98af0080a595225f9d4d84a52109358f56e26e382.dll
Size

157KB
MD5

8376fad3aa63ed363404e11dfaa33427
SHA1

8ecdf7c0f088e551f92d1d240fe7633175d00c65
SHA256

558ab8f85761371aef0058c98af0080a595225f9d4d84a52109358f56e26e382
SHA512

61aa2e380077b25b8653b8d0f4a9a7a1073bcc37e25b69c39497681305954f85707b14c9fad1d1acdf60ecbb6a85874ed2847fd81b11b3d2b1eb362675edf1b9

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1148-115-0x00000000736D0000-0x00000000736FD000-memory.dmp	dridex_ldr

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

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 796 wrote to memory of 1148	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1148	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1148	796	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\558ab8f85761371aef0058c98af0080a595225f9d4d84a52109358f56e26e382.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\558ab8f85761371aef0058c98af0080a595225f9d4d84a52109358f56e26e382.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1148

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1148-114-0x0000000000000000-mapping.dmp

Download
memory/1148-115-0x00000000736D0000-0x00000000736FD000-memory.dmp

Filesize
180KB

Download
memory/1148-117-0x0000000003270000-0x0000000003276000-memory.dmp

Filesize
24KB

Download