dridex | e82c107259ebcdbaf78a2359691a66eac2bd03f9b72db6a9b868fde2c941adbb

Analysis

max time kernel
28s
max time network
41s
platform
windows10_x64
resource
win10v20210408
submitted
24/05/2021, 06:02

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General

Target
75b1492e_by_Libranalysis.dll
Size 162KB
Sample210524-gvb3ra341s
SHA256 e82c107259ebcdbaf78a2359691a66eac2bd03f9b72db6a9b868fde2c941adbb
MD5 75b1492ea6a60a94f7ebcd446a81b091
SHA1 71e1cbe4cfb544c88d20cbdda42f53f26e9ec56c
SHA512 989c36c63087de53031f8078aa4949bf66f9a9e8e466261bb749547a9d12aa1df443f21505bab126dbed862a8a7c51c104c461c5bebb0573310a76f8dc81b442
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/2068-115-0x00000000738F0000-0x000000007391E000-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 856 wrote to memory of 2068	856	rundll32.exe	70
PID 856 wrote to memory of 2068	856	rundll32.exe	70
PID 856 wrote to memory of 2068	856	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\75b1492e_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\75b1492e_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2068

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/2068-115-0x00000000738F0000-0x000000007391E000-memory.dmp

Download

memory/2068-117-0x0000000002E10000-0x0000000002E16000-memory.dmp