dridex | 1e0816adb452b012f6b1a9988bbf7d3da0f53ec6be0f97a2ed1aab4e43fcb1e3

Analysis

max time kernel
19s
max time network
124s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 23:58

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General

Target

1e0816adb452b012f6b1a9988bbf7d3da0f53ec6be0f97a2ed1aab4e43fcb1e3.dll
Size

158KB
MD5

41935cb3660e57f1477dc52c93039f64
SHA1

3898eb0df802b0b4ca45464567976c3bc1ab44c5
SHA256

1e0816adb452b012f6b1a9988bbf7d3da0f53ec6be0f97a2ed1aab4e43fcb1e3
SHA512

3e2ef831aecb12c5f323550eb89f8c66c87c22ab3cf4509b69c5c67aabb38606bebd155bae0b09b3e34af6b01819ac0db4b1ff239f81cf206282e2b15ad52724

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/4504-115-0x0000000073820000-0x000000007384D000-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 4452 wrote to memory of 4504	4452	rundll32.exe	rundll32.exe
PID 4452 wrote to memory of 4504	4452	rundll32.exe	rundll32.exe
PID 4452 wrote to memory of 4504	4452	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1e0816adb452b012f6b1a9988bbf7d3da0f53ec6be0f97a2ed1aab4e43fcb1e3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4452

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1e0816adb452b012f6b1a9988bbf7d3da0f53ec6be0f97a2ed1aab4e43fcb1e3.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4504

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/4504-114-0x0000000000000000-mapping.dmp

Download
memory/4504-115-0x0000000073820000-0x000000007384D000-memory.dmp

Filesize
180KB

Download
memory/4504-117-0x0000000002280000-0x00000000023CA000-memory.dmp

Filesize
1.3MB

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