dridex | b4c19f2580ca7af98ae3bfd6d203303244b4c811ddac1688a65d5d5528d3a1d3

Analysis

max time kernel
19s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 15:10

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General

Target

b4c19f2580ca7af98ae3bfd6d203303244b4c811ddac1688a65d5d5528d3a1d3.dll
Size

162KB
MD5

062fa2ebbee61d08b7be5292d45a58bc
SHA1

e186ca505128768d0fda5ea5807bc0a75d553810
SHA256

b4c19f2580ca7af98ae3bfd6d203303244b4c811ddac1688a65d5d5528d3a1d3
SHA512

c181251c7c31f369a569b807e3f8aef2fbbb4aa097961c30866aabd269e42860ad39f1ce83825e96dba5ddee1ffb878bc65c72ca11be35caaf1eccd82c319d2c

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

Processes:

resource	yara_rule
behavioral2/memory/3236-115-0x00000000735E0000-0x000000007360E000-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 3968 wrote to memory of 3236	3968	rundll32.exe	rundll32.exe
PID 3968 wrote to memory of 3236	3968	rundll32.exe	rundll32.exe
PID 3968 wrote to memory of 3236	3968	rundll32.exe	rundll32.exe

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4c19f2580ca7af98ae3bfd6d203303244b4c811ddac1688a65d5d5528d3a1d3.dll,#1
1⤵
- Checks whether UAC is enabled
PID:3236

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4c19f2580ca7af98ae3bfd6d203303244b4c811ddac1688a65d5d5528d3a1d3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3968

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/3236-114-0x0000000000000000-mapping.dmp

Download
memory/3236-115-0x00000000735E0000-0x000000007360E000-memory.dmp

Filesize
184KB

Download
memory/3236-117-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download