dridex | a8aec4da3bed5f48a199ca89367156eec6c3536bb27ec15b3e203151021fc99d

Analysis

max time kernel
35s
max time network
114s
platform
windows10_x64
resource
win10v20210408
submitted
03/05/2021, 22:02

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General

Target
ee8b0db6_by_Libranalysis.dll
Size 162KB
Sample210503-tccywc5ncs
SHA256 a8aec4da3bed5f48a199ca89367156eec6c3536bb27ec15b3e203151021fc99d
MD5 ee8b0db6110ea3d2c2ddbd223f64e2fe
SHA1 77f6886a1b2ebca8860fe486a6643daf2d33fd52
SHA512 dc6e3f68ff0e873799d81ceffbac63fea360e2e55565bb0c270171cde757b4c4a67a3df30f755278b52cc2f8ff741904e3d9f7f27c7506808d8c9b70ef9ff643
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/764-115-0x0000000073530000-0x000000007355E000-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 4024 wrote to memory of 764	4024	rundll32.exe	70
PID 4024 wrote to memory of 764	4024	rundll32.exe	70
PID 4024 wrote to memory of 764	4024	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ee8b0db6_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ee8b0db6_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:764

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/764-115-0x0000000073530000-0x000000007355E000-memory.dmp

Download

memory/764-117-0x00000000004E0000-0x00000000004E6000-memory.dmp