dridex | f4d14bfd42914a97199dee53179aa36b4a37b8a917844d87e1ef3049b2ff4e79

Analysis

max time kernel
18s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 11:49

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General

Target

f4d14bfd42914a97199dee53179aa36b4a37b8a917844d87e1ef3049b2ff4e79.dll
Size

160KB
MD5

0add268bece6d3529e31fe0f8950461e
SHA1

634c75b7a8bf88dc994f2ebe130db0e82f3ecbfb
SHA256

f4d14bfd42914a97199dee53179aa36b4a37b8a917844d87e1ef3049b2ff4e79
SHA512

51dd7c37a04f2e9d6eae399a3a33987a97da064330e47a471dd84a557ce38f358677a07dafaaae2ceaefaf77d7a176d636ee1d32cdf4386709e6e24c628e5563

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/752-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3152 wrote to memory of 752	3152	rundll32.exe	rundll32.exe
PID 3152 wrote to memory of 752	3152	rundll32.exe	rundll32.exe
PID 3152 wrote to memory of 752	3152	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4d14bfd42914a97199dee53179aa36b4a37b8a917844d87e1ef3049b2ff4e79.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4d14bfd42914a97199dee53179aa36b4a37b8a917844d87e1ef3049b2ff4e79.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:752

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/752-114-0x0000000000000000-mapping.dmp

Download
memory/752-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp

Filesize
184KB

Download
memory/752-117-0x0000000000D20000-0x0000000000D26000-memory.dmp

Filesize
24KB

Download