dridex | 95159bea94e661dd72d79fda5b481b762012c49900851ff507c32f020b9cbbc3

Analysis

max time kernel
19s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
16/04/2021, 06:35

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General

Target
95159bea94e661dd72d79fda5b481b762012c49900851ff507c32f020b9cbbc3.dll
Size 162KB
Sample210416-pdexl523ka
SHA256 95159bea94e661dd72d79fda5b481b762012c49900851ff507c32f020b9cbbc3
MD5 849359731ae1a1bae50ba7b8208a08b2
SHA1 2519e2cd316ee3708972d32815ae471bab594cb2
SHA512 3877fa05763a99afb7a4eb0747500eb97080883d2e0a209c65fc24d461a1490a1a992a7b4a90a1ea59d1ffb7f0f922e0eb93acc4657a6475eaaf005882fed6cd
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/3624-115-0x0000000073EE0000-0x0000000073F0E000-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 1908 wrote to memory of 3624	1908	rundll32.exe	69
PID 1908 wrote to memory of 3624	1908	rundll32.exe	69
PID 1908 wrote to memory of 3624	1908	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\95159bea94e661dd72d79fda5b481b762012c49900851ff507c32f020b9cbbc3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\95159bea94e661dd72d79fda5b481b762012c49900851ff507c32f020b9cbbc3.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3624

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/3624-115-0x0000000073EE0000-0x0000000073F0E000-memory.dmp

Download

memory/3624-117-0x0000000000990000-0x0000000000996000-memory.dmp