dridex | bd6139ba79f48b901120a2008855e5d6ea1d6bfa85e7e50fddb08dccc74ea8d2

Analysis

max time kernel
19s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
15/04/2021, 12:40

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General

Target
bd6139ba79f48b901120a2008855e5d6ea1d6bfa85e7e50fddb08dccc74ea8d2.dll
Size 162KB
Sample210415-p1jlnplvvs
SHA256 bd6139ba79f48b901120a2008855e5d6ea1d6bfa85e7e50fddb08dccc74ea8d2
MD5 82b987179f69bc2ca42c982da5c3e889
SHA1 048ae7858d628b22323a9ed083714c56ad2be6d1
SHA512 a5caa2d17fac14ab4f6a056f395eb5138e3dfc2b37ff87e22a9ad0a48f5ef0143383cc3832a3b755301cf9104c7d16bc56cc4434a84ff03ffe126422e99c9e1b
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/2204-115-0x0000000073D70000-0x0000000073D9E000-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 3768 wrote to memory of 2204	3768	rundll32.exe	70
PID 3768 wrote to memory of 2204	3768	rundll32.exe	70
PID 3768 wrote to memory of 2204	3768	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd6139ba79f48b901120a2008855e5d6ea1d6bfa85e7e50fddb08dccc74ea8d2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3768
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd6139ba79f48b901120a2008855e5d6ea1d6bfa85e7e50fddb08dccc74ea8d2.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2204

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/2204-115-0x0000000073D70000-0x0000000073D9E000-memory.dmp

Download

memory/2204-117-0x0000000000B70000-0x0000000000B76000-memory.dmp