dridex | b751b6da7214842bf8670dddc0e67f702e4f95c6d8ee1c4315f0af63dbb14ca4

Analysis

max time kernel
70s
max time network
115s
platform
windows10_x64
resource
win10v20210408
submitted
08/05/2021, 12:01

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General

Target
c9f090fe_by_Libranalysis.dll
Size 162KB
Sample210508-a525h3cwl6
SHA256 b751b6da7214842bf8670dddc0e67f702e4f95c6d8ee1c4315f0af63dbb14ca4
MD5 c9f090fea1610c7ceec3635750bee672
SHA1 3eae1966bb695c6a47cd7dff20a29ee4c939fa05
SHA512 59fb67b70a930c0a0546b0f7b6d9129751b9a58237eda155dea71a7da37392537f3516fcfa79b2bcd169f776bd0889fb2de34c0745f7a5c006f32e08520cb393
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/1552-115-0x0000000073F50000-0x0000000073F7E000-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 1040 wrote to memory of 1552	1040	rundll32.exe	69
PID 1040 wrote to memory of 1552	1040	rundll32.exe	69
PID 1040 wrote to memory of 1552	1040	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9f090fe_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9f090fe_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1552

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/1552-115-0x0000000073F50000-0x0000000073F7E000-memory.dmp

Download

memory/1552-117-0x0000000003120000-0x0000000003126000-memory.dmp