dridex | 8492a9c3aa41d5cdf04577bd2ea3dcee74b52fa1818efe61116e9d421f18a0c5

Analysis

max time kernel
28s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
06/05/2021, 20:02

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General

Target
6742af21_by_Libranalysis.dll
Size 162KB
Sample210506-gp1y582rtj
SHA256 8492a9c3aa41d5cdf04577bd2ea3dcee74b52fa1818efe61116e9d421f18a0c5
MD5 6742af217feafb33916854d298b30fe4
SHA1 0ce95a4670e4b68b20482348226fa8d681f60ee6
SHA512 2e1fb2b9951081edd6bc9e966c2de7186a9d9436ecdaf63ccbbca63a96626ff010dad61d4abebe26312a9ea2e719d116bc9671e9727aaebfd7e29151ef022f13
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/3684-115-0x0000000074380000-0x00000000743AE000-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 3724 wrote to memory of 3684	3724	rundll32.exe	71
PID 3724 wrote to memory of 3684	3724	rundll32.exe	71
PID 3724 wrote to memory of 3684	3724	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6742af21_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6742af21_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3684

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/3684-115-0x0000000074380000-0x00000000743AE000-memory.dmp

Download

memory/3684-117-0x0000000000590000-0x0000000000596000-memory.dmp