dridex | ea735aed07ce30d0e8f105f1989e0d6fb5a6900ce01fb7a58aae50931d291a79

Analysis

max time kernel
23s
max time network
110s
platform
windows10_x64
resource
win10v20201028
submitted
24/03/2021, 20:19

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General

Target
ea735aed07ce30d0e8f105f1989e0d6fb5a6900ce01fb7a58aae50931d291a79.dll
Size 876KB
Sample210324-1r2fpyme7s
SHA256 ea735aed07ce30d0e8f105f1989e0d6fb5a6900ce01fb7a58aae50931d291a79
MD5 1a6cde710a9815781e8fd0f86134b05c
SHA1 3328df67116b9de12e00c97d1639417fb5d50151
SHA512 f2e42c8671257ac66587877c7848980898494943a6e530f9a29e4e72d55f39d48a9701ea06866041b128cf9bfc802411c89a8bbc50aad1e94da4137701dfdb45
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

131.100.24.192:443
103.6.213.203:6601
46.41.130.218:2303

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
behavioral2/memory/1196-3-0x0000000002BB1000-0x0000000002C3D000-memory.dmp	dridex_ldr
behavioral2/memory/1196-4-0x0000000002BB0000-0x0000000002BED000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
15	1196	rundll32.exe
17	1196	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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 496 wrote to memory of 1196	496	rundll32.exe	71
PID 496 wrote to memory of 1196	496	rundll32.exe	71
PID 496 wrote to memory of 1196	496	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ea735aed07ce30d0e8f105f1989e0d6fb5a6900ce01fb7a58aae50931d291a79.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:496
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ea735aed07ce30d0e8f105f1989e0d6fb5a6900ce01fb7a58aae50931d291a79.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1196

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1196-3-0x0000000002BB1000-0x0000000002C3D000-memory.dmp

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memory/1196-4-0x0000000002BB0000-0x0000000002BED000-memory.dmp

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memory/1196-5-0x0000000002AA0000-0x0000000002AA1000-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