dridex | 3c8a656f151f9b131ebf2499b8ea7906c6d33cdeb6dafdaa084e050694a0c653

Analysis

max time kernel
47s
max time network
58s
platform
windows10_x64
resource
win10v20210408
submitted
17/05/2021, 10:14

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General

Target
2f6b2d34_by_Libranalysis.dll
Size 162KB
Sample210517-ah2wcmb1be
SHA256 3c8a656f151f9b131ebf2499b8ea7906c6d33cdeb6dafdaa084e050694a0c653
MD5 2f6b2d3491ae9179ff266d09f184774f
SHA1 099f60ab1d2c342fe580722c2e5e81f72aa0a18c
SHA512 2b40a0c3894340529036e3421fa37a0db7d07cff7d2c67f28c29ef9cfa8f80274a0909bd7f46f61498b15573c7037ae251f5b9016cb6bf5b7114aa724960708e
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/3128-115-0x0000000073890000-0x00000000738BE000-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 2840 wrote to memory of 3128	2840	rundll32.exe	69
PID 2840 wrote to memory of 3128	2840	rundll32.exe	69
PID 2840 wrote to memory of 3128	2840	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f6b2d34_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f6b2d34_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3128

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/3128-115-0x0000000073890000-0x00000000738BE000-memory.dmp

Download

memory/3128-117-0x0000000000F80000-0x0000000000F86000-memory.dmp