dridex | bdc73ff9d61997c8e979166901d066a3f791378d779216460905d341686ff906

Analysis

max time kernel
44s
max time network
49s
platform
windows10_x64
resource
win10v20210408
submitted
04-05-2021 14:37

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General

Target

bdc73ff9d61997c8e979166901d066a3f791378d779216460905d341686ff906.dll
Size

162KB
MD5

c6c74dce0adeece0452741fbab0fb8e3
SHA1

6fe3762c2d0fbd7e0c9852fb9e29ef3f5b047eaa
SHA256

bdc73ff9d61997c8e979166901d066a3f791378d779216460905d341686ff906
SHA512

64aad0abc622bfbe6338aa5aa257cb872dbbdc8d1180b6c6c48594f2d95bb2ca3acc88af118dc5376423354889eb4e548ddff403086fdd3efafa7011c843f3d1

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/1288-115-0x0000000074160000-0x000000007418E000-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 1108 wrote to memory of 1288	1108	rundll32.exe	rundll32.exe
PID 1108 wrote to memory of 1288	1108	rundll32.exe	rundll32.exe
PID 1108 wrote to memory of 1288	1108	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdc73ff9d61997c8e979166901d066a3f791378d779216460905d341686ff906.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1108

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdc73ff9d61997c8e979166901d066a3f791378d779216460905d341686ff906.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1288

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/1288-114-0x0000000000000000-mapping.dmp

Download
memory/1288-115-0x0000000074160000-0x000000007418E000-memory.dmp

Filesize
184KB

Download
memory/1288-117-0x00000000030B0000-0x00000000030B6000-memory.dmp

Filesize
24KB

Download