dridex | 3e44da52b58c30a0f6b896164fff0f2741b4b3b9c9101372fedae14b57ccc2dd

Analysis

max time kernel
85s
max time network
118s
platform
windows10_x64
resource
win10v20210408
submitted
09/05/2021, 02:04

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General

Target
56d1e28a_by_Libranalysis.dll
Size 162KB
Sample210509-djh36phepe
SHA256 3e44da52b58c30a0f6b896164fff0f2741b4b3b9c9101372fedae14b57ccc2dd
MD5 56d1e28aadb090c2e5b1b8991b6e0a7b
SHA1 03b169372deaa671fbaa11522b08c5867cf70cad
SHA512 4515f2bf4ddd41306fd578b4606388465a6ec6ea4d576d74029ec49aeca2344d62bf1fd4a8f0827b5acc8a7b369549ac8ee36bed5c1df45aaa59f724358f9a33
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/4808-115-0x0000000073C30000-0x0000000073C5E000-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 4656 wrote to memory of 4808	4656	rundll32.exe	71
PID 4656 wrote to memory of 4808	4656	rundll32.exe	71
PID 4656 wrote to memory of 4808	4656	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\56d1e28a_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\56d1e28a_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4808

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/4808-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp

Download

memory/4808-117-0x00000000008D0000-0x00000000008D6000-memory.dmp