dridex | 039abf7af04dd526c2c360fd6576c8aff8d07d750010de1aabd154c8bab4a675

Analysis

max time kernel
38s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
30/04/2021, 13:02

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General

Target
a801a0dc_by_Libranalysis.dll
Size 162KB
Sample210430-7exph9691s
SHA256 039abf7af04dd526c2c360fd6576c8aff8d07d750010de1aabd154c8bab4a675
MD5 a801a0dce26637a13a7f49533e7075b4
SHA1 d10fe5be06a8731964285b2ba16da69ca871ee84
SHA512 bd7addefaca0eeb1b009a54418936ec86224e92c2edfb23aba42eb77d44cbca387b25d325e23df6fe0e7ffab0ca2ac110530a0d77594cd94a82020a5131b00d2
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/764-115-0x0000000073F20000-0x0000000073F4E000-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 4044 wrote to memory of 764	4044	rundll32.exe	70
PID 4044 wrote to memory of 764	4044	rundll32.exe	70
PID 4044 wrote to memory of 764	4044	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a801a0dc_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a801a0dc_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:764

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/764-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

Download

memory/764-117-0x0000000000350000-0x0000000000356000-memory.dmp