dridex | 2a4e778b2799f1b4e7d4f2350da9cf7eb05463485ab3bb45fde36d13ce3b322a

Analysis

max time kernel
102s
max time network
107s
platform
windows10_x64
resource
win10v20210408
submitted
30/04/2021, 10:02

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General

Target
f0a31545_by_Libranalysis.dll
Size 162KB
Sample210430-tk81ldfsxn
SHA256 2a4e778b2799f1b4e7d4f2350da9cf7eb05463485ab3bb45fde36d13ce3b322a
MD5 f0a315451b0b0bb6990b50ea249e5bc4
SHA1 674149ef7ce1fdfd7e609fc981e982bad5b151a8
SHA512 bc32b8c8fb8849ae9a9a973f9fe400cf0dc905947fc58fe7c24b5dcd5a9e6dd89f5375056a9bf6113caf226b6eed53addbe78fa5864f2ced6fffa717e6fb6e2b
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/1316-115-0x0000000074450000-0x000000007447E000-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 656 wrote to memory of 1316	656	rundll32.exe	70
PID 656 wrote to memory of 1316	656	rundll32.exe	70
PID 656 wrote to memory of 1316	656	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f0a31545_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f0a31545_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1316

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/1316-115-0x0000000074450000-0x000000007447E000-memory.dmp

Download

memory/1316-117-0x0000000003120000-0x000000000326A000-memory.dmp