dridex | 2f76e35634c33d154fb74f40e2eb7b1484ac38f2b07e01fa59a3629790033baf

Analysis

max time kernel
27s
max time network
67s
platform
windows10_x64
resource
win10v20210408
submitted
19/04/2021, 09:15

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General

Target
2f76e35634c33d154fb74f40e2eb7b1484ac38f2b07e01fa59a3629790033baf.dll
Size 162KB
Sample210419-rmvd1wlqde
SHA256 2f76e35634c33d154fb74f40e2eb7b1484ac38f2b07e01fa59a3629790033baf
MD5 08977dbc878b82af2ea5d9f3e9dd97ec
SHA1 8f2515141c3a742619c8051e1435c7b19c6edfb0
SHA512 0ef32a8100daab4d0718cb071698e9a3169c59b109ccb60e6fa93f6af542ab15b8dcb169e7770922d3e5b9eefb8a0ae457be7d54640ee25dc5df55945287669d
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/924-115-0x00000000735F0000-0x000000007361E000-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 604 wrote to memory of 924	604	rundll32.exe	69
PID 604 wrote to memory of 924	604	rundll32.exe	69
PID 604 wrote to memory of 924	604	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f76e35634c33d154fb74f40e2eb7b1484ac38f2b07e01fa59a3629790033baf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:604
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f76e35634c33d154fb74f40e2eb7b1484ac38f2b07e01fa59a3629790033baf.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:924

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/924-115-0x00000000735F0000-0x000000007361E000-memory.dmp

Download

memory/924-117-0x00000000032F0000-0x00000000032F6000-memory.dmp