dridex | 8fca68fd942bdea641198f617128ecd9ca1a8c8bf2341a52d54d57bd1d1f2ecb

Analysis

max time kernel
32s
max time network
9s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 18:43

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General

Target

8fca68fd942bdea641198f617128ecd9ca1a8c8bf2341a52d54d57bd1d1f2ecb.dll
Size

154KB
MD5

b88070cbe8175b1ffbf43bebe6caa92b
SHA1

a4ef3908fb6eee5d74fb7b2e73578a75d4ebcc64
SHA256

8fca68fd942bdea641198f617128ecd9ca1a8c8bf2341a52d54d57bd1d1f2ecb
SHA512

f4307717b97fb4d38825c97ffa2cda2da573f959f51f0190136a5be35e9c3d9cca3afe54328c920be976d9f920907edecd73be4567bb350673da5d20aa0b4801

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/2016-61-0x0000000074BE0000-0x0000000074C0D000-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 1612 wrote to memory of 2016	1612	rundll32.exe	rundll32.exe
PID 1612 wrote to memory of 2016	1612	rundll32.exe	rundll32.exe
PID 1612 wrote to memory of 2016	1612	rundll32.exe	rundll32.exe
PID 1612 wrote to memory of 2016	1612	rundll32.exe	rundll32.exe
PID 1612 wrote to memory of 2016	1612	rundll32.exe	rundll32.exe
PID 1612 wrote to memory of 2016	1612	rundll32.exe	rundll32.exe
PID 1612 wrote to memory of 2016	1612	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8fca68fd942bdea641198f617128ecd9ca1a8c8bf2341a52d54d57bd1d1f2ecb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8fca68fd942bdea641198f617128ecd9ca1a8c8bf2341a52d54d57bd1d1f2ecb.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2016

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/2016-59-0x0000000000000000-mapping.dmp

Download
memory/2016-60-0x0000000075D51000-0x0000000075D53000-memory.dmp

Filesize
8KB

Download
memory/2016-61-0x0000000074BE0000-0x0000000074C0D000-memory.dmp

Filesize
180KB

Download
memory/2016-63-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download