dridex | 1ae0b4942f406b8126c2b70cfadb5d1db0b8e9dfedd5bcce652b0b3715e4cac0

Analysis

max time kernel
26s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
20/04/2021, 01:48

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General

Target
1ae0b4942f406b8126c2b70cfadb5d1db0b8e9dfedd5bcce652b0b3715e4cac0.dll
Size 162KB
Sample210420-4f4z85vthj
SHA256 1ae0b4942f406b8126c2b70cfadb5d1db0b8e9dfedd5bcce652b0b3715e4cac0
MD5 6dd33c4a21a4c11d98a4b3c445a31169
SHA1 8f5d46431432e81069e9995a51f0df1d37858e8d
SHA512 a19bece229bcea8289e82ea345bbb394689eb8969f5e81dcd44f8bcb58375fe77925c3e2cfc94144faf0a11817fe627c0dd80c2d9481a531ffb0a6b389deddf2
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/1192-115-0x00000000736D0000-0x00000000736FE000-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 796 wrote to memory of 1192	796	rundll32.exe	71
PID 796 wrote to memory of 1192	796	rundll32.exe	71
PID 796 wrote to memory of 1192	796	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1ae0b4942f406b8126c2b70cfadb5d1db0b8e9dfedd5bcce652b0b3715e4cac0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1ae0b4942f406b8126c2b70cfadb5d1db0b8e9dfedd5bcce652b0b3715e4cac0.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1192

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/1192-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

Download

memory/1192-117-0x0000000002A70000-0x0000000002B1E000-memory.dmp