dridex | 281b6ddf1c62f47ab8bbd1b3dd06e2b2bfca9ccca4c308018b897418bbbca420

Analysis

max time kernel
29s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
08/05/2021, 17:11

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General

Target
99610bba_by_Libranalysis.dll
Size 162KB
Sample210508-ee91sx1eb6
SHA256 281b6ddf1c62f47ab8bbd1b3dd06e2b2bfca9ccca4c308018b897418bbbca420
MD5 99610bba9edafd824249d4345395d89f
SHA1 9ec46f2fc1611a86b2d7219ffa66d44b5137d7e4
SHA512 4d7a2db50d033c02385b20e47094aba1f6dfe7f18b8a3a1df67f0d9a75fafb1b852dd214110553730591c0505d738f485bfa88dec95438b6e064fddb49e74c6b
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/556-115-0x0000000074400000-0x000000007442E000-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 784 wrote to memory of 556	784	rundll32.exe	71
PID 784 wrote to memory of 556	784	rundll32.exe	71
PID 784 wrote to memory of 556	784	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\99610bba_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:784
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\99610bba_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:556

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/556-115-0x0000000074400000-0x000000007442E000-memory.dmp

Download

memory/556-117-0x0000000002D70000-0x0000000002D76000-memory.dmp