dridex | 709f60a034f35c1b0e65bfba0c7844988a8a23eed32552afdf168736d7396bc8

Analysis

max time kernel
113s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
03/05/2021, 09:03

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General

Target
542891f9_by_Libranalysis.dll
Size 162KB
Sample210503-m6t7d1egte
SHA256 709f60a034f35c1b0e65bfba0c7844988a8a23eed32552afdf168736d7396bc8
MD5 542891f92196cb55630cb1c4e7676d91
SHA1 0c18ab3dcd0afa1e96d3f12cea76ace617244036
SHA512 c3a377f6845e902553aa363005d0869bd60e7ce7328cbd500b7da727dd969741e1056de687b4bd6834ab8914af819e098acc43fd676812d61cb5ffe9f3832438
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/3992-115-0x0000000073A70000-0x0000000073A9E000-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 660 wrote to memory of 3992	660	rundll32.exe	69
PID 660 wrote to memory of 3992	660	rundll32.exe	69
PID 660 wrote to memory of 3992	660	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\542891f9_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:660
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\542891f9_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3992

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/3992-115-0x0000000073A70000-0x0000000073A9E000-memory.dmp

Download

memory/3992-117-0x00000000010D0000-0x00000000010D6000-memory.dmp