dridex | 297caa5611c41f06b5752123b176434d9c0b95cb57640cf09b48a7dbd175d97b

Analysis

max time kernel
53s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 02:39

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General

Target
297caa5611c41f06b5752123b176434d9c0b95cb57640cf09b48a7dbd175d97b.dll
Size 162KB
Sample210419-d5vfc461hx
SHA256 297caa5611c41f06b5752123b176434d9c0b95cb57640cf09b48a7dbd175d97b
MD5 caa7afe2f55c7ced61bc2cdde59b56ef
SHA1 878245e36efea33e0c423a4e9ba4a5badc7a1789
SHA512 4dcc383d09076d1b7a455e046e22793b33f27feca9fbe0f01c9e34c55de217845edef6e1b11c7f7bb842a2a976adbc939fc7a1890834bf544bc4b1c58eb36828
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/688-115-0x0000000074300000-0x000000007432E000-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 3872 wrote to memory of 688	3872	rundll32.exe	71
PID 3872 wrote to memory of 688	3872	rundll32.exe	71
PID 3872 wrote to memory of 688	3872	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\297caa5611c41f06b5752123b176434d9c0b95cb57640cf09b48a7dbd175d97b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\297caa5611c41f06b5752123b176434d9c0b95cb57640cf09b48a7dbd175d97b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:688

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/688-115-0x0000000074300000-0x000000007432E000-memory.dmp

Download

memory/688-117-0x0000000000630000-0x0000000000636000-memory.dmp