dridex | 21206b849c7939bb398f681081dc00a75ecff7178a1eab9daf359f4c0d419266

Analysis

max time kernel
105s
max time network
8s
platform
windows7_x64
resource
win7v20201028
submitted
18/03/2021, 07:29

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General

Target
21206b849c7939bb398f681081dc00a75ecff7178a1eab9daf359f4c0d419266.dll
Size 208KB
Sample210318-8ts2fynqqx
SHA256 21206b849c7939bb398f681081dc00a75ecff7178a1eab9daf359f4c0d419266
MD5 8d5829354f4c5ff8b6cd1ffa8a11f175
SHA1 120696e81d55c741752c026b6f4e79d2b98cd633
SHA512 91083118aa93443d4f2895235dcc2b117bae530d58e692fc71d847a0e57e441e8ce4be91ac744d6aade845f01ff89eb73f3e2fac7437476ac4b117fcf572a21a
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

77.220.64.137:443
66.228.134.180:6601
199.204.214.26:7073

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1520-4-0x00000000754A0000-0x00000000754D6000-memory.dmp	dridex_ldr
behavioral1/memory/1520-6-0x00000000754A0000-0x00000000754C1000-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 7 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1520	2028	rundll32.exe	25
PID 2028 wrote to memory of 1520	2028	rundll32.exe	25
PID 2028 wrote to memory of 1520	2028	rundll32.exe	25
PID 2028 wrote to memory of 1520	2028	rundll32.exe	25
PID 2028 wrote to memory of 1520	2028	rundll32.exe	25
PID 2028 wrote to memory of 1520	2028	rundll32.exe	25
PID 2028 wrote to memory of 1520	2028	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\21206b849c7939bb398f681081dc00a75ecff7178a1eab9daf359f4c0d419266.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\21206b849c7939bb398f681081dc00a75ecff7178a1eab9daf359f4c0d419266.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1520

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

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Downloads

memory/1520-3-0x0000000075C31000-0x0000000075C33000-memory.dmp

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memory/1520-4-0x00000000754A0000-0x00000000754D6000-memory.dmp

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memory/1520-5-0x0000000000180000-0x0000000000186000-memory.dmp

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memory/1520-6-0x00000000754A0000-0x00000000754C1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads