dridex | 255f5a2fc12d4affd2861a738710687285cc2bbdc01bd43060d826ff138775ad

Analysis

max time kernel
120s
max time network
121s
platform
windows10_x64
resource
win10v20210410
submitted
30/04/2021, 20:02

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General

Target
57a174fb_by_Libranalysis.dll
Size 162KB
Sample210430-cz2tcwl45e
SHA256 255f5a2fc12d4affd2861a738710687285cc2bbdc01bd43060d826ff138775ad
MD5 57a174fb33232f3aa3ead015f3d26cf7
SHA1 1da58f71d4daf3ef311df8491842dcfe34ee2547
SHA512 193e9e4133cdce2e60589a97c37c6cd9ed835604b9e43329eaecbd1d02dca921ca796b0a2ebb3bc92a63d243850819aee4d26139ffcd18f4d8d04f726bdde83e
MD5 SHA1 SHA512

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

resource	yara_rule
behavioral2/memory/976-115-0x0000000073660000-0x000000007368E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4008 wrote to memory of 976	4008	rundll32.exe	39
PID 4008 wrote to memory of 976	4008	rundll32.exe	39
PID 4008 wrote to memory of 976	4008	rundll32.exe	39

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\57a174fb_by_Libranalysis.dll,#1
1⤵
- Checks whether UAC is enabled
PID:976

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\57a174fb_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4008

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/976-115-0x0000000073660000-0x000000007368E000-memory.dmp

Download

memory/976-117-0x0000000000510000-0x000000000065A000-memory.dmp