dridex | 88829574bfeb0899658ca7eb85af0541a023996aacd2ada7c7ee1475dfaf6c10

Analysis

max time kernel
26s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 00:49

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General

Target

88829574bfeb0899658ca7eb85af0541a023996aacd2ada7c7ee1475dfaf6c10.dll
Size

160KB
MD5

af652446ed3745397b9bb180d66ba1c3
SHA1

3cf913ad4df277ebc600d796f056a8c5f36cd7b8
SHA256

88829574bfeb0899658ca7eb85af0541a023996aacd2ada7c7ee1475dfaf6c10
SHA512

4ab565c1816cc5ae544e01c9e9bd344ac073ab611fd686c75420fdf7f0f376fe5471fa2ec755e48cff0cfae2d84a8b379d81c69022c2e7fc52903fe5cd41e4d3

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/640-115-0x0000000073890000-0x00000000738BE000-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 3008 wrote to memory of 640	3008	rundll32.exe	rundll32.exe
PID 3008 wrote to memory of 640	3008	rundll32.exe	rundll32.exe
PID 3008 wrote to memory of 640	3008	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\88829574bfeb0899658ca7eb85af0541a023996aacd2ada7c7ee1475dfaf6c10.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3008

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\88829574bfeb0899658ca7eb85af0541a023996aacd2ada7c7ee1475dfaf6c10.dll,#1
2⤵
- Checks whether UAC is enabled
PID:640

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/640-114-0x0000000000000000-mapping.dmp

Download
memory/640-115-0x0000000073890000-0x00000000738BE000-memory.dmp

Filesize
184KB

Download
memory/640-117-0x0000000004B70000-0x0000000004B76000-memory.dmp

Filesize
24KB

Download