dridex | c8e3918f5f90fad548aa27bf3a9f445b45193af11a818b1d64e7ccb57dc238fd

Analysis

max time kernel
34s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
07/05/2021, 05:02

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General

Target
b0af2eb1_by_Libranalysis.dll
Size 162KB
Sample210507-byae1ybwte
SHA256 c8e3918f5f90fad548aa27bf3a9f445b45193af11a818b1d64e7ccb57dc238fd
MD5 b0af2eb1d1a2b2ea54d83dd124c3f559
SHA1 4b031e33796f8f6df4d2ec263d2d885703632ca2
SHA512 1e8e27db67293cb9b6391008b75b3f9e7e4280a25b4807ff3ea38bec1600b3539b8a28ab89100e4bd94d46d1f9d09748e4170a7c0b0dcd6bfc62ec7b1bc313e0
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/748-115-0x0000000073B70000-0x0000000073B9E000-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 1744 wrote to memory of 748	1744	rundll32.exe	42
PID 1744 wrote to memory of 748	1744	rundll32.exe	42
PID 1744 wrote to memory of 748	1744	rundll32.exe	42

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0af2eb1_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0af2eb1_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:748

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/748-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Download

memory/748-117-0x0000000000F70000-0x0000000000F76000-memory.dmp