dridex | 2b4862c6f2e27071e3bd74673ec5fe1386cd03bd9b23bbe4b1a2ebc508a169a6

Analysis

max time kernel
29s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
22/06/2021, 06:12

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General

Target
2b4862c6f2e27071e3bd74673ec5fe1386cd03bd9b23bbe4b1a2ebc508a169a6.dll
Size 162KB
Sample210622-qlb8f42dsx
SHA256 2b4862c6f2e27071e3bd74673ec5fe1386cd03bd9b23bbe4b1a2ebc508a169a6
MD5 20c5add30791bef95e4b6286b689845d
SHA1 39595dc59350ea1693bb553e021995a7e9aedba8
SHA512 39c8161a52faa4a1b0750253bd4e1eca08c0c9c493ad116391ff44c10b377fb741ecb59aaa4c00b9cd432571dd3fc6596ff2181983fe666d3204205dd55a55a0
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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

resource	yara_rule
behavioral1/memory/2180-115-0x0000000073F10000-0x0000000073F3E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 992 wrote to memory of 2180	992	rundll32.exe	72
PID 992 wrote to memory of 2180	992	rundll32.exe	72
PID 992 wrote to memory of 2180	992	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b4862c6f2e27071e3bd74673ec5fe1386cd03bd9b23bbe4b1a2ebc508a169a6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b4862c6f2e27071e3bd74673ec5fe1386cd03bd9b23bbe4b1a2ebc508a169a6.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2180

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2180-115-0x0000000073F10000-0x0000000073F3E000-memory.dmp

Download

memory/2180-117-0x0000000001130000-0x000000000127A000-memory.dmp