dridex | a580e3b9465802f2dc696a3d68d1b5a96d16d5fac893411bb3a139db514dab57

Analysis

max time kernel
122s
max time network
121s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 18:06

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General

Target

a580e3b9465802f2dc696a3d68d1b5a96d16d5fac893411bb3a139db514dab57.dll
Size

157KB
MD5

015f15d96810324990d42fcd1a09e0c9
SHA1

f1c615faedaf1585a03a9058e3ef86088ce59a54
SHA256

a580e3b9465802f2dc696a3d68d1b5a96d16d5fac893411bb3a139db514dab57
SHA512

6e47464a817122c84afbbfa215de358289c01e80d37b3d4e9cfe15cb85cb99f03eb1902f7a335defa868bbacf422cbc0f2e88895f83d68a07d538f0317de79c2

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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/2028-62-0x0000000074920000-0x000000007494D000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1640 wrote to memory of 2028	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 2028	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 2028	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 2028	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 2028	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 2028	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 2028	1640	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a580e3b9465802f2dc696a3d68d1b5a96d16d5fac893411bb3a139db514dab57.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1640

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a580e3b9465802f2dc696a3d68d1b5a96d16d5fac893411bb3a139db514dab57.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2028

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/2028-60-0x0000000000000000-mapping.dmp

Download
memory/2028-61-0x0000000075631000-0x0000000075633000-memory.dmp

Filesize
8KB

Download
memory/2028-62-0x0000000074920000-0x000000007494D000-memory.dmp

Filesize
180KB

Download
memory/2028-64-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download