dridex | 2b9748215b3e4ce45e7fde54a38202614bbfdc36405f1f5afdaea5a9bb2c13a4

Analysis

max time kernel
65s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
16/04/2021, 18:15

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General

Target
2b9748215b3e4ce45e7fde54a38202614bbfdc36405f1f5afdaea5a9bb2c13a4.dll
Size 162KB
Sample210416-lsxckgn2jn
SHA256 2b9748215b3e4ce45e7fde54a38202614bbfdc36405f1f5afdaea5a9bb2c13a4
MD5 25e2bb0ef5c7691ee4b4651aa9e85e24
SHA1 b06f80481581ea74ad64c1bbe2a22a10cb724f8d
SHA512 1c37c597253f2aac54fcaaab9cccb77c8d0cd9ab3697587f5b35b0e6c2e7fecb40741b460e9e2ede5d0f3d08317a112cc70f08dcab9f8fd497e577584d4bb515
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/1812-115-0x0000000074440000-0x000000007446E000-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 1812	808	rundll32.exe	71
PID 808 wrote to memory of 1812	808	rundll32.exe	71
PID 808 wrote to memory of 1812	808	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b9748215b3e4ce45e7fde54a38202614bbfdc36405f1f5afdaea5a9bb2c13a4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b9748215b3e4ce45e7fde54a38202614bbfdc36405f1f5afdaea5a9bb2c13a4.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1812

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/1812-115-0x0000000074440000-0x000000007446E000-memory.dmp

Download

memory/1812-117-0x0000000000B20000-0x0000000000C6A000-memory.dmp