dridex | 6a3ddeba85974c06eb89ee565fbd15a83287501229387059b89d5bc477d2cce3

Analysis

max time kernel
125s
max time network
128s
platform
windows10_x64
resource
win10v20210410
submitted
24/04/2021, 07:42

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General

Target
8a49776519bf7208844c7e416f35a0f9.dll
Size 162KB
Sample210424-178vzy5dfx
SHA256 6a3ddeba85974c06eb89ee565fbd15a83287501229387059b89d5bc477d2cce3
MD5 8a49776519bf7208844c7e416f35a0f9
SHA1 15d623e779d92b60d9f8194823689468dd34f484
SHA512 1e651a7837905d047dfd5c980a8d1c62cfe73d88014dc727f7728b62b600ef722c724dd70f27f5ea69abc6d0a818e80aa0dd4fcf17f4444084b7628a2ec513a5
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/680-115-0x00000000739B0000-0x00000000739DE000-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 508 wrote to memory of 680	508	rundll32.exe	63
PID 508 wrote to memory of 680	508	rundll32.exe	63
PID 508 wrote to memory of 680	508	rundll32.exe	63

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a49776519bf7208844c7e416f35a0f9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:508
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a49776519bf7208844c7e416f35a0f9.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:680

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/680-115-0x00000000739B0000-0x00000000739DE000-memory.dmp

Download

memory/680-117-0x0000000000DF0000-0x0000000000DF6000-memory.dmp