dridex | f8a1c7f2d98ff19bc296d53d3653ca75d54853ab6ceaf17a3fe9a2a4d20ae0a7

Analysis

max time kernel
18s
max time network
124s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 23:58

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General

Target

f8a1c7f2d98ff19bc296d53d3653ca75d54853ab6ceaf17a3fe9a2a4d20ae0a7.dll
Size

158KB
MD5

47276392f5ddebdb78e7267ea8b27385
SHA1

2b60e50dae78ea78464e4e062642ab41e7c1776f
SHA256

f8a1c7f2d98ff19bc296d53d3653ca75d54853ab6ceaf17a3fe9a2a4d20ae0a7
SHA512

bcba0dcc9ac503dbedceb349164e12de79d396c5ae999cc3275dc42b2fb07e40d6db08b06f66b7ceba9a18e68951b98a1fd29c5f8163c1b77d04e9304f2e0f4f

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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
behavioral1/memory/936-115-0x0000000073AA0000-0x0000000073ACD000-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 3016 wrote to memory of 936	3016	rundll32.exe	rundll32.exe
PID 3016 wrote to memory of 936	3016	rundll32.exe	rundll32.exe
PID 3016 wrote to memory of 936	3016	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8a1c7f2d98ff19bc296d53d3653ca75d54853ab6ceaf17a3fe9a2a4d20ae0a7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3016

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8a1c7f2d98ff19bc296d53d3653ca75d54853ab6ceaf17a3fe9a2a4d20ae0a7.dll,#1
2⤵
- Checks whether UAC is enabled
PID:936

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/936-114-0x0000000000000000-mapping.dmp

Download
memory/936-115-0x0000000073AA0000-0x0000000073ACD000-memory.dmp

Filesize
180KB

Download
memory/936-117-0x0000000003130000-0x0000000003136000-memory.dmp

Filesize
24KB

Download