dridex | f11d9dd6ccc4d79726d7830cdb1d4e69bf67b3f762fcb7cfb8ed2e1258e4a719

Analysis

max time kernel
27s
max time network
64s
platform
windows10_x64
resource
win10v20210408
submitted
18/04/2021, 19:40

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General

Target
f11d9dd6ccc4d79726d7830cdb1d4e69bf67b3f762fcb7cfb8ed2e1258e4a719.dll
Size 162KB
Sample210418-al2jc9wsgn
SHA256 f11d9dd6ccc4d79726d7830cdb1d4e69bf67b3f762fcb7cfb8ed2e1258e4a719
MD5 f3a769a93f84c103f255ecd74b6c5209
SHA1 da5481858555695c16082a4bf44fd02a0ba9b35b
SHA512 d871cc028913a873a9d60f547f575056f4ff4ee11d432897e9f70315e1d77237fd55e5d6e859eafd29095199dfb3f05c17e948e4e322cdf0bb6123625fb0ade5
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/1100-115-0x0000000074350000-0x000000007437E000-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 808 wrote to memory of 1100	808	rundll32.exe	70
PID 808 wrote to memory of 1100	808	rundll32.exe	70
PID 808 wrote to memory of 1100	808	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f11d9dd6ccc4d79726d7830cdb1d4e69bf67b3f762fcb7cfb8ed2e1258e4a719.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f11d9dd6ccc4d79726d7830cdb1d4e69bf67b3f762fcb7cfb8ed2e1258e4a719.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1100

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/1100-115-0x0000000074350000-0x000000007437E000-memory.dmp

Download

memory/1100-117-0x00000000029D0000-0x00000000029D6000-memory.dmp