dridex | 6b03c2bc0cdaf29eaafcb3d5e9548dab3f502c4a259b0ede7b131e7288c4a755

Analysis

max time kernel
34s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
08/05/2021, 08:02

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General

Target
3b00b8fc_by_Libranalysis.dll
Size 162KB
Sample210508-35ww1twg2x
SHA256 6b03c2bc0cdaf29eaafcb3d5e9548dab3f502c4a259b0ede7b131e7288c4a755
MD5 3b00b8fcde333e9456f0a1b84f9ffcf4
SHA1 62b41fd4d40a8180094e8e8ec81285b4f44a789e
SHA512 7ff79c2fc7834fdb38c85273c5f5bcb24a6425ffbafc69b35a0bf978198475317424c2d8ff6fc83001529130345bd15f933d7355684d68312e290921546e5d50
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	70
PID 4024 wrote to memory of 3712	4024	rundll32.exe	70
PID 4024 wrote to memory of 3712	4024	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b00b8fc_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b00b8fc_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/3712-117-0x0000000002D00000-0x0000000002E4A000-memory.dmp