dridex | 49fd9c48449f951e8616281f99ae1d8caa3d30f718057d4ea912ebd486200c7f

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 17:12

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General

Target

49fd9c48449f951e8616281f99ae1d8caa3d30f718057d4ea912ebd486200c7f.dll
Size

158KB
MD5

938020609356694acae9201294ef8aab
SHA1

1071b0f001aa13a7b8364d335ef292161bf257f8
SHA256

49fd9c48449f951e8616281f99ae1d8caa3d30f718057d4ea912ebd486200c7f
SHA512

b94fe55e568a657c7649d7c40c1edd2e232683e58ea5a8146357325a89c5b3409042a4de79598cc46a1273ff0ab4d1a9aa0f01f63bb849b0535a656b62923380

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/3652-115-0x00000000735E0000-0x000000007360D000-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 3980 wrote to memory of 3652	3980	rundll32.exe	rundll32.exe
PID 3980 wrote to memory of 3652	3980	rundll32.exe	rundll32.exe
PID 3980 wrote to memory of 3652	3980	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\49fd9c48449f951e8616281f99ae1d8caa3d30f718057d4ea912ebd486200c7f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3980

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\49fd9c48449f951e8616281f99ae1d8caa3d30f718057d4ea912ebd486200c7f.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3652

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/3652-114-0x0000000000000000-mapping.dmp

Download
memory/3652-115-0x00000000735E0000-0x000000007360D000-memory.dmp

Filesize
180KB

Download
memory/3652-117-0x0000000000ED0000-0x0000000000ED6000-memory.dmp

Filesize
24KB

Download