dridex | 9f2de637aa31b94ec94c58177e634f226519aaa72a9ed6b335fcffffe68dfc92

Analysis

max time kernel
67s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
29/04/2021, 20:04

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General

Target
b9f27b9b_by_Libranalysis.dll
Size 162KB
Sample210429-ka68bm63cx
SHA256 9f2de637aa31b94ec94c58177e634f226519aaa72a9ed6b335fcffffe68dfc92
MD5 b9f27b9b9085db7f862cabdf664f68a0
SHA1 421308a875e5018f3e1255a973fe865355e99b05
SHA512 b027e68f5e1c2ee1ce20631b1099060394b046fd2a157488d91f39289d3c6c74dbe49cb69d3882113eba43ae83b9d026c10ba7000b223cf1bdeebb07bc6c8dfb
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/4028-115-0x0000000073AA0000-0x0000000073ACE000-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 3992 wrote to memory of 4028	3992	rundll32.exe	69
PID 3992 wrote to memory of 4028	3992	rundll32.exe	69
PID 3992 wrote to memory of 4028	3992	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9f27b9b_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9f27b9b_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4028

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/4028-115-0x0000000073AA0000-0x0000000073ACE000-memory.dmp

Download

memory/4028-117-0x0000000004370000-0x0000000004376000-memory.dmp