dridex | b643d561bc271f32b9aeed99c6790e8bc7b53f6567551aca2d0840ccd68298ff

Analysis

max time kernel
27s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
18/04/2021, 21:35

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General

Target
b643d561bc271f32b9aeed99c6790e8bc7b53f6567551aca2d0840ccd68298ff.dll
Size 162KB
Sample210418-7dx7j89d4e
SHA256 b643d561bc271f32b9aeed99c6790e8bc7b53f6567551aca2d0840ccd68298ff
MD5 c23adefa0c771b0e19bbad8a4616e5bd
SHA1 11b21d073f373d4301ba23844845edf457c92b86
SHA512 9a4739aad6c9414bb1c60b37d7eacb9bf110fe2f07c4bc8a9ee226282565278a4d11c069c7e663d7039dd0838ecdae05400b19216951826a4b7c9a2e50ac9262
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/3984-115-0x0000000074260000-0x000000007428E000-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 996 wrote to memory of 3984	996	rundll32.exe	71
PID 996 wrote to memory of 3984	996	rundll32.exe	71
PID 996 wrote to memory of 3984	996	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b643d561bc271f32b9aeed99c6790e8bc7b53f6567551aca2d0840ccd68298ff.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:996
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b643d561bc271f32b9aeed99c6790e8bc7b53f6567551aca2d0840ccd68298ff.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3984

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/3984-115-0x0000000074260000-0x000000007428E000-memory.dmp

Download

memory/3984-117-0x0000000004830000-0x0000000004836000-memory.dmp