dridex | a89308d2af8a3fdcbe11532ec5df5b8d7d83b4895156b3d7fe218162dcec99b2

Analysis

max time kernel
22s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
24/05/2021, 08:03

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General

Target
fc5993da_by_Libranalysis.dll
Size 162KB
Sample210524-d7hraacwda
SHA256 a89308d2af8a3fdcbe11532ec5df5b8d7d83b4895156b3d7fe218162dcec99b2
MD5 fc5993dacf320a1afba59214af55bf8b
SHA1 c09da5fe125cc51bf27d82489146448e5af97383
SHA512 14f42a5fe6a13fc846d7855a1a84acb0e2bedb698cc442be5094dc72b42d126b1ca879ef5bfce8d22e9c45e4fb8568589d8a241bbcf031ea58097ea193d70846
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/8-115-0x0000000073860000-0x000000007388E000-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 416 wrote to memory of 8	416	rundll32.exe	18
PID 416 wrote to memory of 8	416	rundll32.exe	18
PID 416 wrote to memory of 8	416	rundll32.exe	18

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc5993da_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc5993da_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:8

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/8-115-0x0000000073860000-0x000000007388E000-memory.dmp

Download

memory/8-117-0x0000000000E00000-0x0000000000F4A000-memory.dmp