dridex | 5c9f25e53b50134aff8f1e315eacf9c19cb25198dedc838e2e789ead45993af2

Analysis

max time kernel
147s
max time network
149s
platform
windows10_x64
resource
win10v20210408
submitted
04/05/2021, 02:03

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General

Target
f7fbcce5_by_Libranalysis.dll
Size 162KB
Sample210504-ss6vnv6nex
SHA256 5c9f25e53b50134aff8f1e315eacf9c19cb25198dedc838e2e789ead45993af2
MD5 f7fbcce51649a78f3d987dc5aed53572
SHA1 9812da70098e93ba84453f4f1ab60b79301a6adc
SHA512 3568be629d60e3fcf8bb1a7bc99da2fac37961f9a05df6f5027e742fbe7d82512eeb459b942c3f3920c03bf4b47ba9c1f92e9269ca46bd80ab5a758ffb81a4bb
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/1332-115-0x0000000074450000-0x000000007447E000-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 656 wrote to memory of 1332	656	rundll32.exe	70
PID 656 wrote to memory of 1332	656	rundll32.exe	70
PID 656 wrote to memory of 1332	656	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7fbcce5_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7fbcce5_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1332

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/1332-115-0x0000000074450000-0x000000007447E000-memory.dmp

Download

memory/1332-117-0x0000000000BA0000-0x0000000000CEA000-memory.dmp