dridex | 97749bfdfee3baae4be5004571e206682b4ac9626094eaa07510d548b7bfe6bb

Analysis

max time kernel
120s
max time network
111s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:07

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General

Target

97749bfdfee3baae4be5004571e206682b4ac9626094eaa07510d548b7bfe6bb.dll
Size

154KB
MD5

61d591010894f152542f866c7ecebe47
SHA1

4e341f40f20648ea973088ea4194791026c611f1
SHA256

97749bfdfee3baae4be5004571e206682b4ac9626094eaa07510d548b7bfe6bb
SHA512

52effc15150bc74ba4a0fb3b50451cde35206f2925bbfe9501af174b34d8e8b04568729d1600816009875a34b2a0eb619614aa8dadd5942250a439ac05be1acd

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/4752-115-0x0000000073C30000-0x0000000073C5D000-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 4660 wrote to memory of 4752	4660	rundll32.exe	rundll32.exe
PID 4660 wrote to memory of 4752	4660	rundll32.exe	rundll32.exe
PID 4660 wrote to memory of 4752	4660	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\97749bfdfee3baae4be5004571e206682b4ac9626094eaa07510d548b7bfe6bb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4660

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\97749bfdfee3baae4be5004571e206682b4ac9626094eaa07510d548b7bfe6bb.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4752

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/4752-114-0x0000000000000000-mapping.dmp

Download
memory/4752-115-0x0000000073C30000-0x0000000073C5D000-memory.dmp

Filesize
180KB

Download
memory/4752-117-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download