dridex | d4cd30c3da488ac19229d6bb1d368835b9beb268954e1dfa2dfc7f9fdf88f2e6

Analysis

max time kernel
25s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
26-06-2021 08:15

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General

Target

d4cd30c3da488ac19229d6bb1d368835b9beb268954e1dfa2dfc7f9fdf88f2e6.dll
Size

160KB
MD5

924e15393c553f0d3c4e0dbf559a8f08
SHA1

8d9018fac91ce62e9b448ed97535caac2bf8fbd0
SHA256

d4cd30c3da488ac19229d6bb1d368835b9beb268954e1dfa2dfc7f9fdf88f2e6
SHA512

ab3b68d43f12850c0058d7705a408a05a0037ae0d48b668152eeb94b300dbc20cc55a1b03144455b0d1beb01f1a7e003e31e2228c68ed59cc02742f5e5f26c77

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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

Processes:

resource	yara_rule
behavioral1/memory/4712-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4648 wrote to memory of 4712	4648	rundll32.exe	rundll32.exe
PID 4648 wrote to memory of 4712	4648	rundll32.exe	rundll32.exe
PID 4648 wrote to memory of 4712	4648	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4cd30c3da488ac19229d6bb1d368835b9beb268954e1dfa2dfc7f9fdf88f2e6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4648

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4cd30c3da488ac19229d6bb1d368835b9beb268954e1dfa2dfc7f9fdf88f2e6.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4712

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/4712-114-0x0000000000000000-mapping.dmp

Download
memory/4712-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp

Filesize
184KB

Download
memory/4712-117-0x0000000000A80000-0x0000000000A86000-memory.dmp

Filesize
24KB

Download