dridex | 3146b9cf6a3b3376c3ea52223d5fecb5fc62f2f6f0d6d2b05b2058c1e9cfc919

Analysis

max time kernel
86s
max time network
9s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 18:05

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General

Target
3146b9cf6a3b3376c3ea52223d5fecb5fc62f2f6f0d6d2b05b2058c1e9cfc919.dll
Size 208KB
Sample210317-e2jzv5nlaj
SHA256 3146b9cf6a3b3376c3ea52223d5fecb5fc62f2f6f0d6d2b05b2058c1e9cfc919
MD5 5a38ea0aa509df7b22cb549922a1b937
SHA1 441b9777886cc073bfd291b5842ca6ab9d90079e
SHA512 c9495c269978aea74e75242e3b9109e1b46f7e6e904781304c5865cb6d0ed8aa9a286d9301e23aa9a11ebe3bf161c7174798c8722979a62f33c83ad3ed4ae128
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

77.220.64.137:443
66.228.134.180:6601
199.204.214.26:7073

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1460-4-0x00000000746F0000-0x0000000074726000-memory.dmp	dridex_ldr
behavioral1/memory/1460-6-0x00000000746F0000-0x0000000074711000-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 7 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 1460	1940	rundll32.exe	25
PID 1940 wrote to memory of 1460	1940	rundll32.exe	25
PID 1940 wrote to memory of 1460	1940	rundll32.exe	25
PID 1940 wrote to memory of 1460	1940	rundll32.exe	25
PID 1940 wrote to memory of 1460	1940	rundll32.exe	25
PID 1940 wrote to memory of 1460	1940	rundll32.exe	25
PID 1940 wrote to memory of 1460	1940	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3146b9cf6a3b3376c3ea52223d5fecb5fc62f2f6f0d6d2b05b2058c1e9cfc919.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3146b9cf6a3b3376c3ea52223d5fecb5fc62f2f6f0d6d2b05b2058c1e9cfc919.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1460

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

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Downloads

memory/1460-3-0x00000000759F1000-0x00000000759F3000-memory.dmp

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memory/1460-4-0x00000000746F0000-0x0000000074726000-memory.dmp

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memory/1460-5-0x0000000000140000-0x0000000000146000-memory.dmp

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memory/1460-6-0x00000000746F0000-0x0000000074711000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads