dridex | 3c1e2c2a30baac09fba6090784383388c8d663e11b01c11f5d05b11727626da2

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7v20210410
submitted
07/05/2021, 00:01

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General

Target
cd8a934e_by_Libranalysis.dll
Size 162KB
Sample210507-lfslymst4e
SHA256 3c1e2c2a30baac09fba6090784383388c8d663e11b01c11f5d05b11727626da2
MD5 cd8a934e1483502be883edef10fbf937
SHA1 d69b13491ea09a505ffdbd3bf338da63bbb3d41e
SHA512 86f5f34de3cb26fc16ac4489e80150e8c60f1e437fc918b240b867cd86ef8d4d21d0b84c6f911ffa5eb4ca516933e266775944ddf146e6144baf19453e93f11c
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/1496-62-0x0000000074700000-0x000000007472E000-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 7 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 1496	1748	rundll32.exe	26
PID 1748 wrote to memory of 1496	1748	rundll32.exe	26
PID 1748 wrote to memory of 1496	1748	rundll32.exe	26
PID 1748 wrote to memory of 1496	1748	rundll32.exe	26
PID 1748 wrote to memory of 1496	1748	rundll32.exe	26
PID 1748 wrote to memory of 1496	1748	rundll32.exe	26
PID 1748 wrote to memory of 1496	1748	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd8a934e_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd8a934e_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1496

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

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Downloads

memory/1496-61-0x00000000757E1000-0x00000000757E3000-memory.dmp

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memory/1496-62-0x0000000074700000-0x000000007472E000-memory.dmp

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memory/1496-64-0x0000000000140000-0x0000000000146000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads