dridex | f6c81deb31d47c6e34d0355c2fb5eec9facf837ec7eb156f3e57005aaba2afa1

Analysis

max time kernel
27s
max time network
36s
platform
windows10_x64
resource
win10v20210408
submitted
23/05/2021, 16:02

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General

Target
b8723164_by_Libranalysis.dll
Size 162KB
Sample210523-9r837cccva
SHA256 f6c81deb31d47c6e34d0355c2fb5eec9facf837ec7eb156f3e57005aaba2afa1
MD5 b872316478e89e50ffa1ec0b73808db7
SHA1 318071c441bfe70a9a965a620f2d0c9f0f1a576a
SHA512 85a043053c2458222f43b7ac0ee14eec8ef3fdea4ee0c31bd64c5698bcb4d3f2a84277e945392fc021bfdb14c0e25c11750208310241b35a36cff3b98dc0f820
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/840-115-0x0000000074350000-0x000000007437E000-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 740 wrote to memory of 840	740	rundll32.exe	69
PID 740 wrote to memory of 840	740	rundll32.exe	69
PID 740 wrote to memory of 840	740	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8723164_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8723164_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:840

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/840-115-0x0000000074350000-0x000000007437E000-memory.dmp

Download

memory/840-117-0x0000000003410000-0x0000000003416000-memory.dmp