dridex | ba10601059bf485def0fcee3d62eabff03893a91c37e3c358e2101414cfdae51

Analysis

max time kernel
30s
max time network
111s
platform
windows10_x64
resource
win10v20210408
submitted
29/04/2021, 13:27

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General

Target
3bf73c17_by_Libranalysis.dll
Size 162KB
Sample210429-64478etj1x
SHA256 ba10601059bf485def0fcee3d62eabff03893a91c37e3c358e2101414cfdae51
MD5 3bf73c172adc6fab94af563515615de5
SHA1 eecf2b8d6010403c253b25dcf92d791c372b5c17
SHA512 b16b8e30ed812a6a2b5d86bc415ccbd7fae8b84d4f2ed000ab5cfb40297aadf41683cca5d16a226f096374c34d64ac1e83c3bcf199f84a00dcbc0f2323583604
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/3712-115-0x0000000073530000-0x000000007355E000-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 3712	4024	rundll32.exe	69
PID 4024 wrote to memory of 3712	4024	rundll32.exe	69
PID 4024 wrote to memory of 3712	4024	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bf73c17_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bf73c17_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3712

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/3712-115-0x0000000073530000-0x000000007355E000-memory.dmp

Download

memory/3712-117-0x00000000031F0000-0x00000000031F6000-memory.dmp