dridex | a0a644ed5bcf11e88e2ff757dffb4095f21c76b0aebdc493ecdd70e0f1acf025

Analysis

max time kernel
27s
max time network
150s
platform
windows10_x64
resource
win10v20210408
submitted
25-06-2021 03:42

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General

Target

a0a644ed5bcf11e88e2ff757dffb4095f21c76b0aebdc493ecdd70e0f1acf025.dll
Size

158KB
MD5

0e7c9bf2fc8eacc405b04e766511fbce
SHA1

19540915c52a9647f611dd57e988d58dcf21634c
SHA256

a0a644ed5bcf11e88e2ff757dffb4095f21c76b0aebdc493ecdd70e0f1acf025
SHA512

1dafe65bd9eae59c529dd3e296f2c7a5188aae29f0212f3df1e8984949f3e06f85b6565419f27f5118e356b98411db9dc43874f543652fb7bfa7089a28826a9b

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/1320-115-0x0000000073C70000-0x0000000073C9D000-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 396 wrote to memory of 1320	396	rundll32.exe	rundll32.exe
PID 396 wrote to memory of 1320	396	rundll32.exe	rundll32.exe
PID 396 wrote to memory of 1320	396	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0a644ed5bcf11e88e2ff757dffb4095f21c76b0aebdc493ecdd70e0f1acf025.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:396

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0a644ed5bcf11e88e2ff757dffb4095f21c76b0aebdc493ecdd70e0f1acf025.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1320

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1320-114-0x0000000000000000-mapping.dmp

Download
memory/1320-115-0x0000000073C70000-0x0000000073C9D000-memory.dmp

Filesize
180KB

Download
memory/1320-117-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download