dridex | 5ea9375c7b97c217b911abb7e905daf37df7a2c3f4595adeee3b97e4c5525d86

Analysis

max time kernel
119s
max time network
120s
platform
windows10_x64
resource
win10v20210410
submitted
06/05/2021, 23:02

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General

Target
5cd40daf_by_Libranalysis.dll
Size 162KB
Sample210506-drtvrmbf7x
SHA256 5ea9375c7b97c217b911abb7e905daf37df7a2c3f4595adeee3b97e4c5525d86
MD5 5cd40daf02990dacd6acd9b3cb280180
SHA1 a971d2d98a323308b5748484bbf63cee14addd5e
SHA512 181323591f85f5b4c9a94bb70221378bfddef0efd67d801701fd7471290a861135a25a3f378a235b47d9890b895f896c728ea8ef852da6fb43da66d416a0b855
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
behavioral2/memory/3168-115-0x0000000074420000-0x000000007444E000-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 2116 wrote to memory of 3168	2116	rundll32.exe	70
PID 2116 wrote to memory of 3168	2116	rundll32.exe	70
PID 2116 wrote to memory of 3168	2116	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5cd40daf_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5cd40daf_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3168

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/3168-115-0x0000000074420000-0x000000007444E000-memory.dmp

Download

memory/3168-117-0x0000000002F50000-0x000000000309A000-memory.dmp