dridex | 356fd859e1a526ab8d1bb8e956f4e8fa72e15767301fef96597e095f57f80c51

Analysis

max time kernel
20s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 05:27

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General

Target
356fd859e1a526ab8d1bb8e956f4e8fa72e15767301fef96597e095f57f80c51.dll
Size 162KB
Sample210419-tympc7s8wx
SHA256 356fd859e1a526ab8d1bb8e956f4e8fa72e15767301fef96597e095f57f80c51
MD5 d634d6d3f31a722674b1f98e25e2df23
SHA1 4eaad840f9f8130f5e07e04ea25454f4b73c9eac
SHA512 5ecadf84d76c5de378d321a84f228f605c58aa298d938382c80e92160d80a1f39c74ec3da79ef95cd5babd4bcd73fca66b4fea59fd12bf6126e6e0526d42a273
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/3860-115-0x0000000073A10000-0x0000000073A3E000-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 3868 wrote to memory of 3860	3868	rundll32.exe	69
PID 3868 wrote to memory of 3860	3868	rundll32.exe	69
PID 3868 wrote to memory of 3860	3868	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\356fd859e1a526ab8d1bb8e956f4e8fa72e15767301fef96597e095f57f80c51.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\356fd859e1a526ab8d1bb8e956f4e8fa72e15767301fef96597e095f57f80c51.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3860

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/3860-115-0x0000000073A10000-0x0000000073A3E000-memory.dmp

Download

memory/3860-117-0x00000000029C0000-0x00000000029C6000-memory.dmp