dridex | e521ec2febf068e137168710fa8de583063f26556da6fdce052f82702d89e385

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 09:24

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General

Target

e521ec2febf068e137168710fa8de583063f26556da6fdce052f82702d89e385.dll
Size

160KB
MD5

4e61003c255da773f74da49e060a2bf6
SHA1

c102263e5b14128cd1bf71f4cbc58cc5ddb3b448
SHA256

e521ec2febf068e137168710fa8de583063f26556da6fdce052f82702d89e385
SHA512

6ce3e54fd91003f8ebf4969f7d9ee89c32eb8fb1d0fe6703022cab39d73ee47da4d8c9ce3be971ef6d6f4113dcc698b11f17c77b29229ce2e5e2c0ead3f6ae46

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/3980-115-0x0000000073AA0000-0x0000000073ACE000-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 3924 wrote to memory of 3980	3924	rundll32.exe	rundll32.exe
PID 3924 wrote to memory of 3980	3924	rundll32.exe	rundll32.exe
PID 3924 wrote to memory of 3980	3924	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e521ec2febf068e137168710fa8de583063f26556da6fdce052f82702d89e385.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e521ec2febf068e137168710fa8de583063f26556da6fdce052f82702d89e385.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3980

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/3980-114-0x0000000000000000-mapping.dmp

Download
memory/3980-115-0x0000000073AA0000-0x0000000073ACE000-memory.dmp

Filesize
184KB

Download
memory/3980-117-0x0000000000530000-0x00000000005DE000-memory.dmp

Filesize
696KB

Download