dridex | 783b025e8d30950d416e31f2b8fa00d8b02d4cb41ce61284eb938448516f89b6

Analysis

max time kernel
72s
max time network
114s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 10:01

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General

Target
c3f6e6c2_by_Libranalysis.dll
Size 162KB
Sample210503-7cc2v256ms
SHA256 783b025e8d30950d416e31f2b8fa00d8b02d4cb41ce61284eb938448516f89b6
MD5 c3f6e6c208796075d61122d8415ae881
SHA1 146de95f3fb692a3a41d035fe37bb0860ab9ead0
SHA512 175f8a377408371f90749be47bfc56b7e37d91c87e47d7dfad851e34c315207f6dc5399b407ebf469238ece2d6e81c5d148c6f5d05688640deb3b4d318a1ed5c
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/3920-115-0x0000000073D70000-0x0000000073D9E000-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 348 wrote to memory of 3920	348	rundll32.exe	55
PID 348 wrote to memory of 3920	348	rundll32.exe	55
PID 348 wrote to memory of 3920	348	rundll32.exe	55

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c3f6e6c2_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:348
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c3f6e6c2_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3920

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/3920-115-0x0000000073D70000-0x0000000073D9E000-memory.dmp

Download

memory/3920-117-0x0000000000A30000-0x0000000000A36000-memory.dmp