dridex | 73ebb314a5f0d9572a8db0aaa2ee5dd41b75ddfacfe2c4cec50ee484adbd3ec2

Analysis

max time kernel
23s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
16/04/2021, 18:21

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General

Target
73ebb314a5f0d9572a8db0aaa2ee5dd41b75ddfacfe2c4cec50ee484adbd3ec2.dll
Size 162KB
Sample210416-ms46jfxjfx
SHA256 73ebb314a5f0d9572a8db0aaa2ee5dd41b75ddfacfe2c4cec50ee484adbd3ec2
MD5 6243ad93bc0b00788aed19d9e7d726e6
SHA1 f2bcb3321c14534f2af7b99671199e253a9be413
SHA512 a9273fd9ebaac34b655047b1d06b9692aff906dcd9e8b4b0deb8eeaa7c23fde5edc71715389b09983e7271e8840cbf1e090608031701f8fe4d6f8013f18da0ac
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/1400-115-0x0000000073FB0000-0x0000000073FDE000-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 640 wrote to memory of 1400	640	rundll32.exe	71
PID 640 wrote to memory of 1400	640	rundll32.exe	71
PID 640 wrote to memory of 1400	640	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\73ebb314a5f0d9572a8db0aaa2ee5dd41b75ddfacfe2c4cec50ee484adbd3ec2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\73ebb314a5f0d9572a8db0aaa2ee5dd41b75ddfacfe2c4cec50ee484adbd3ec2.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1400

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/1400-115-0x0000000073FB0000-0x0000000073FDE000-memory.dmp

Download

memory/1400-117-0x00000000013D0000-0x00000000013D6000-memory.dmp