dridex | 7c816f35173c65d6ea431eeaeed89bb328e3e7b543c877c1c278d00bf394f839

Analysis

max time kernel
132s
max time network
134s
platform
windows10_x64
resource
win10v20210408
submitted
11-05-2021 12:02

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General

Target

a9d72a47_by_Libranalysis.dll
Size

162KB
MD5

a9d72a4724769d51db73a7f10e388e84
SHA1

1b0da41b7c7f18412763ca1a9da26af3eecb3ce2
SHA256

7c816f35173c65d6ea431eeaeed89bb328e3e7b543c877c1c278d00bf394f839
SHA512

9332084f4ef1e23441a01b73d8fcec61fe77d5e8d3e9794170f5ef01afa21671b79e1936c1285061583ddb2ac44dd257c8f3eda450dd38fa919f68d71ccf4c67

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
behavioral2/memory/1272-115-0x0000000074260000-0x000000007428E000-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 424 wrote to memory of 1272	424	rundll32.exe	rundll32.exe
PID 424 wrote to memory of 1272	424	rundll32.exe	rundll32.exe
PID 424 wrote to memory of 1272	424	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9d72a47_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:424

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9d72a47_by_Libranalysis.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1272

Network

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/1272-114-0x0000000000000000-mapping.dmp

Download
memory/1272-115-0x0000000074260000-0x000000007428E000-memory.dmp

Filesize
184KB

Download
memory/1272-117-0x0000000000AF0000-0x0000000000AF6000-memory.dmp

Filesize
24KB

Download