dridex | ac5d170c69a335585bc25b4bf95ef66bbc1424483a2373fe9c9d0a59356c4855

Analysis

max time kernel
113s
max time network
112s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 15:03

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General

Target

ac5d170c69a335585bc25b4bf95ef66bbc1424483a2373fe9c9d0a59356c4855.dll
Size

162KB
MD5

b26524a37e575d05a10eedcfcac77e39
SHA1

2064afa2f027f00f36e04916756010e0c3af769a
SHA256

ac5d170c69a335585bc25b4bf95ef66bbc1424483a2373fe9c9d0a59356c4855
SHA512

043b69ece793df639824b506b8b84c929470ae6e5752da4cebb3764db620c42e41eddc4054ff1a3a8b8869570397249d53b4e1a9a73a1d4c18470bea3e63c12c

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/2008-62-0x0000000074DC0000-0x0000000074DEE000-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 1756 wrote to memory of 2008	1756	rundll32.exe	rundll32.exe
PID 1756 wrote to memory of 2008	1756	rundll32.exe	rundll32.exe
PID 1756 wrote to memory of 2008	1756	rundll32.exe	rundll32.exe
PID 1756 wrote to memory of 2008	1756	rundll32.exe	rundll32.exe
PID 1756 wrote to memory of 2008	1756	rundll32.exe	rundll32.exe
PID 1756 wrote to memory of 2008	1756	rundll32.exe	rundll32.exe
PID 1756 wrote to memory of 2008	1756	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac5d170c69a335585bc25b4bf95ef66bbc1424483a2373fe9c9d0a59356c4855.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac5d170c69a335585bc25b4bf95ef66bbc1424483a2373fe9c9d0a59356c4855.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2008-60-0x0000000000000000-mapping.dmp

Download
memory/2008-61-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/2008-62-0x0000000074DC0000-0x0000000074DEE000-memory.dmp

Filesize
184KB

Download
memory/2008-64-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download