dridex | 13088e796e8140db0d0e78c48b5efbf285d308e6f5e2b689df0e8d0cbb25e7b6

Analysis

max time kernel
23s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 23:04

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General

Target
13088e796e8140db0d0e78c48b5efbf285d308e6f5e2b689df0e8d0cbb25e7b6.dll
Size 162KB
Sample210419-v7mfcg91v2
SHA256 13088e796e8140db0d0e78c48b5efbf285d308e6f5e2b689df0e8d0cbb25e7b6
MD5 f227cd53d06fd99e60ca931153989b95
SHA1 de37a075254f4a4c532922b9677c00213b870239
SHA512 4d6932bc03cf34363bbfc491d06823c16a03b1bcebd03d91ad55dd8ff1a0f3d4a08f616af93690f3f55f3a2e5bfa06223a6ce1358e8ed5f253643431755b99f6
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/3700-115-0x0000000073EE0000-0x0000000073F0E000-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 4060 wrote to memory of 3700	4060	rundll32.exe	69
PID 4060 wrote to memory of 3700	4060	rundll32.exe	69
PID 4060 wrote to memory of 3700	4060	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\13088e796e8140db0d0e78c48b5efbf285d308e6f5e2b689df0e8d0cbb25e7b6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4060
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\13088e796e8140db0d0e78c48b5efbf285d308e6f5e2b689df0e8d0cbb25e7b6.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3700

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/3700-115-0x0000000073EE0000-0x0000000073F0E000-memory.dmp

Download

memory/3700-117-0x0000000003380000-0x00000000034CA000-memory.dmp