dridex | 6297bef1641cb6470c4c790f75088a766a10ad581c73a955a9bd06b60e368a92

Analysis

max time kernel
30s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:18

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General

Target

6297bef1641cb6470c4c790f75088a766a10ad581c73a955a9bd06b60e368a92.dll
Size

154KB
MD5

826f49984d09f9bacaa176dc8038934e
SHA1

1d4880beb9d4200c9e36604591bc4c286ddaf080
SHA256

6297bef1641cb6470c4c790f75088a766a10ad581c73a955a9bd06b60e368a92
SHA512

11bdd8c3445f785cdc011e4b6a6057723625cdddebe19fe82a11617efd89fe2d455b4b9bc535ef816f38675ef7a2afaab6c077685a8f3b3e4ffa5d5671fecdfd

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/784-115-0x0000000073560000-0x000000007358D000-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 3932 wrote to memory of 784	3932	rundll32.exe	rundll32.exe
PID 3932 wrote to memory of 784	3932	rundll32.exe	rundll32.exe
PID 3932 wrote to memory of 784	3932	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6297bef1641cb6470c4c790f75088a766a10ad581c73a955a9bd06b60e368a92.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3932

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6297bef1641cb6470c4c790f75088a766a10ad581c73a955a9bd06b60e368a92.dll,#1
2⤵
- Checks whether UAC is enabled
PID:784

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/784-114-0x0000000000000000-mapping.dmp

Download
memory/784-115-0x0000000073560000-0x000000007358D000-memory.dmp

Filesize
180KB

Download
memory/784-117-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download