dridex | 0a771752871c3fc320fc3e791e16080f8b31ca3aaaed155f823ec9ebc3e7abb4

Analysis

max time kernel
23s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
20/04/2021, 04:52

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General

Target
0a771752871c3fc320fc3e791e16080f8b31ca3aaaed155f823ec9ebc3e7abb4.dll
Size 162KB
Sample210420-wt13p5hs56
SHA256 0a771752871c3fc320fc3e791e16080f8b31ca3aaaed155f823ec9ebc3e7abb4
MD5 6081197d042a0d9ad1989177ec062d7e
SHA1 e7d79739ddcd1ae86c62e5643c57e3656452f9b3
SHA512 1b3769a91002b1bdd41849904f81e72a6bad76ba9b4e4a2d3632eacdf2252c3d6985aaea608329766e21e22f4f226dd1886021846d3f0ac1ed358c7756f62bcb
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/4908-115-0x0000000073880000-0x00000000738AE000-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 4804 wrote to memory of 4908	4804	rundll32.exe	70
PID 4804 wrote to memory of 4908	4804	rundll32.exe	70
PID 4804 wrote to memory of 4908	4804	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0a771752871c3fc320fc3e791e16080f8b31ca3aaaed155f823ec9ebc3e7abb4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4804
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0a771752871c3fc320fc3e791e16080f8b31ca3aaaed155f823ec9ebc3e7abb4.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4908

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/4908-115-0x0000000073880000-0x00000000738AE000-memory.dmp

Download

memory/4908-117-0x0000000002D90000-0x0000000002EDA000-memory.dmp