dridex | d9a3f823e906d54c9b4261a73d7f34029ee01537c1456d8167b917c2c0b38961

Analysis

max time kernel
31s
max time network
111s
platform
windows10_x64
resource
win10v20210408
submitted
09/05/2021, 13:02

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General

Target
1311b872_by_Libranalysis.dll
Size 162KB
Sample210509-x41jkaxtv2
SHA256 d9a3f823e906d54c9b4261a73d7f34029ee01537c1456d8167b917c2c0b38961
MD5 1311b872ea0f07968532d7519043b4f0
SHA1 98dcef5ddf29391aecf16ce5cc5b82fcd87c1877
SHA512 0be82fdf8cbd5a28d9035ea78f6025d3d61a9a0e6c11c70b17b3a875a3ca5e650792e91ff4215248a3e6fadb1fc2fcdc2467914dee1e62807bfb9d7f39ea7a17
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/1600-115-0x0000000073530000-0x000000007355E000-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 4024 wrote to memory of 1600	4024	rundll32.exe	69
PID 4024 wrote to memory of 1600	4024	rundll32.exe	69
PID 4024 wrote to memory of 1600	4024	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1311b872_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1311b872_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1600

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/1600-115-0x0000000073530000-0x000000007355E000-memory.dmp

Download

memory/1600-117-0x0000000002910000-0x0000000002A5A000-memory.dmp