dridex | 71da1dc7936783aae5865a0217487076a8e0fe68c3ebff50978af8a839671eb7

Analysis

max time kernel
108s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:07

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General

Target

71da1dc7936783aae5865a0217487076a8e0fe68c3ebff50978af8a839671eb7.dll
Size

154KB
MD5

685370984714a60f11f5821848b2246d
SHA1

d783657190ad0cc80fcd2d0d2937ade849ef380e
SHA256

71da1dc7936783aae5865a0217487076a8e0fe68c3ebff50978af8a839671eb7
SHA512

a4972f29bf72c992563602acf1eae465e6d9e33f35adc8c4fb71316ddef9ddd41a59589944ad75e07ac193179946c9606214095be27887a789450150845e8ff1

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/680-115-0x00000000739B0000-0x00000000739DD000-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 508 wrote to memory of 680	508	rundll32.exe	rundll32.exe
PID 508 wrote to memory of 680	508	rundll32.exe	rundll32.exe
PID 508 wrote to memory of 680	508	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\71da1dc7936783aae5865a0217487076a8e0fe68c3ebff50978af8a839671eb7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:508

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\71da1dc7936783aae5865a0217487076a8e0fe68c3ebff50978af8a839671eb7.dll,#1
2⤵
- Checks whether UAC is enabled
PID:680

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/680-114-0x0000000000000000-mapping.dmp

Download
memory/680-115-0x00000000739B0000-0x00000000739DD000-memory.dmp

Filesize
180KB

Download
memory/680-117-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download