dridex | d9a63843182b525c2ec97f7db48ecf76b2243d9a43835de4324944eac60a9f99

Analysis

max time kernel
20s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 01:11

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General

Target

d9a63843182b525c2ec97f7db48ecf76b2243d9a43835de4324944eac60a9f99.dll
Size

160KB
MD5

e322e90a885ea5b009c11496e05b4003
SHA1

fe00b6839a55c8572d116ca7c224b16734f649c7
SHA256

d9a63843182b525c2ec97f7db48ecf76b2243d9a43835de4324944eac60a9f99
SHA512

61d6e2a5e7ca9e9a138878b6e85d936602ed28aa89688f15d7a68ae014f7b1ce7844d1ebfb354ba4b287d7971f2137ae01dba1a86538648f41a27a16425391dd

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/3336-115-0x0000000073E80000-0x0000000073EAE000-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 1852 wrote to memory of 3336	1852	rundll32.exe	rundll32.exe
PID 1852 wrote to memory of 3336	1852	rundll32.exe	rundll32.exe
PID 1852 wrote to memory of 3336	1852	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d9a63843182b525c2ec97f7db48ecf76b2243d9a43835de4324944eac60a9f99.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1852

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d9a63843182b525c2ec97f7db48ecf76b2243d9a43835de4324944eac60a9f99.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3336

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/3336-114-0x0000000000000000-mapping.dmp

Download
memory/3336-115-0x0000000073E80000-0x0000000073EAE000-memory.dmp

Filesize
184KB

Download
memory/3336-117-0x0000000000CB0000-0x0000000000D5E000-memory.dmp

Filesize
696KB

Download