dridex | a2e1648b29d3481fe9dbba7f319f1c773772afe0b3c87a359467a52dfc9fbc60

Analysis

max time kernel
93s
max time network
93s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 22:11

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General

Target

a2e1648b29d3481fe9dbba7f319f1c773772afe0b3c87a359467a52dfc9fbc60.dll
Size

162KB
MD5

fe80f32a3d8be862ffc80e1a477cbaef
SHA1

de795f63c2f766be14ea5def2d92cba91c5d371d
SHA256

a2e1648b29d3481fe9dbba7f319f1c773772afe0b3c87a359467a52dfc9fbc60
SHA512

d0db9ee4760055a3b54e31148714bdac584e9ce4496f78774e02585d075f9c087cd97298309c2e2199d0c3a3c0c3ff33ac80d5a730f1421764686bfaab9edc71

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
behavioral1/memory/4460-115-0x0000000074290000-0x00000000742BE000-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 4432 wrote to memory of 4460	4432	rundll32.exe	rundll32.exe
PID 4432 wrote to memory of 4460	4432	rundll32.exe	rundll32.exe
PID 4432 wrote to memory of 4460	4432	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2e1648b29d3481fe9dbba7f319f1c773772afe0b3c87a359467a52dfc9fbc60.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4432

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2e1648b29d3481fe9dbba7f319f1c773772afe0b3c87a359467a52dfc9fbc60.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4460

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/4460-114-0x0000000000000000-mapping.dmp

Download
memory/4460-115-0x0000000074290000-0x00000000742BE000-memory.dmp

Filesize
184KB

Download
memory/4460-117-0x0000000003400000-0x000000000354A000-memory.dmp

Filesize
1.3MB

Download