dridex | bf031742aed2a4719f0e41759a40c3ce0e1a22bd893760577ae94a7a3c26dfe9

Analysis

max time kernel
67s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
27/04/2021, 10:47

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General

Target
4374afbc_by_Libranalysis.dll
Size 162KB
Sample210427-dc938ryebe
SHA256 bf031742aed2a4719f0e41759a40c3ce0e1a22bd893760577ae94a7a3c26dfe9
MD5 4374afbcea3e37f4ceb248356defb1ad
SHA1 901dd199182982b343cba942da00dc09b04e0c1f
SHA512 42d8fceb4efbb01b9994b4b1e44d10f3bbbd0f3f829f18f236b1089c3c059adc494b0a386db7daf99e635cb8c8a39ed48ec3faa19c6824fc02fb7799a7ae84b4
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/4076-115-0x00000000755E0000-0x000000007560E000-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 4048 wrote to memory of 4076	4048	rundll32.exe	63
PID 4048 wrote to memory of 4076	4048	rundll32.exe	63
PID 4048 wrote to memory of 4076	4048	rundll32.exe	63

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4374afbc_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4374afbc_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4076

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/4076-115-0x00000000755E0000-0x000000007560E000-memory.dmp

Download

memory/4076-117-0x00000000007F0000-0x00000000007F6000-memory.dmp