dridex | edf4dc19e4d3df063b1e0fe90b338aee7966d000392bb906a53006acb174900e

Analysis

max time kernel
99s
max time network
114s
platform
windows10_x64
resource
win10v20210410
submitted
04/05/2021, 09:02

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General

Target
a7640ca7_by_Libranalysis.dll
Size 162KB
Sample210504-ff1yr6beda
SHA256 edf4dc19e4d3df063b1e0fe90b338aee7966d000392bb906a53006acb174900e
MD5 a7640ca7b4a48c8a291820e04fc81a9d
SHA1 72f8638f3d56dbed9b6d281303b1c52ff2f0449a
SHA512 6e63eccc525ed5004d63e41fa4549ab4bb5f252a2592c31bf9272a6d75138c2e3b74e7f4b94cf48a22aa1e207fb05fd62bd1370660eecec18c6071445ab3cfa5
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/496-115-0x0000000073F20000-0x0000000073F4E000-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 3904 wrote to memory of 496	3904	rundll32.exe	71
PID 3904 wrote to memory of 496	3904	rundll32.exe	71
PID 3904 wrote to memory of 496	3904	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7640ca7_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7640ca7_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:496

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/496-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

Download

memory/496-117-0x0000000000F40000-0x0000000000F46000-memory.dmp